Publications

Date updated: Apr 17 2024

Here is my DBLP Entry
my Scopus profile
and this is my Google Scholar profile
  1. Books
  2. Journals
  3. Conferences
  4. Book chapters
  5. Patents
  6. Thesis
  7. Technical reports

Books

  1. Dimitrakopoulos, G., Uden, L., Varlamis, I. (2020), "The Future of Intelligent Transport Systems", Elsevier. ISBN: 978-0-12-818281-9, DOI: 10.1016/C2018-0-02715-2
  2. Apostolakis, I., Varlamis, I. (2019), "Health information systems", 4th Edition, Papazisis ed., Athens, 2016. ISBN: 978-960-02-3264-6.
  3. Apostolakis, I., Varlamis, I., Papadopoulou, A. (2008), "Online learning communities", Papazisis ed., Athens, 2008. ISBN: 978-960-02-2143-5.

Edited books

  1. A. Chryssanthou, I. Apostolakis, I. Varlamis, "Certification and Security in Health-Related Web Applications: Concepts and Solutions", IGI Global, USA, 2011. DOI: DOI: 10.4018/978-1-61692-895-7.

International Journals

  1. Al-Hasan, T. M., Sayed, A. N., Bensaali, F., Himeur, Y., Varlamis, I., & Dimitrakopoulos, G. (2024). From Traditional Recommender Systems to GPT-Based Chatbots: A Survey of Recent Developments and Future Directions. Big Data and Cognitive Computing, 8(4), 36.
  2. Politi, E., Rodosthenous, P., Dos Reis, R. J., Larsen, M., Varlamis, I., & Dimitrakopoulos, G. (2024, March). Analysis of the new market trends of UAVS for safe BVLOS operations. In Journal of Physics: Conference Series (Vol. 2716, No. 1, p. 012056). IOP Publishing.
  3. Bimpas, A., Violos, J., Leivadeas, A., & Varlamis, I. (2024). Leveraging pervasive computing for ambient intelligence: A survey on recent advancements, applications and open challenges. Computer Networks, 239, 110156.
  4. Kaklis, D., Kontopoulos, I., Varlamis, I., Emiris, I. Z., & Varelas, T. (2024). Trajectory Mining and Routing: A Cross-Sectoral Approach. Journal of Marine Science and Engineering, 12(1), 157.
  5. Politi, E., Purucker, P., Larsen, M., Reis, R. J. D., Rajan, R. T., Penna, S. D., Boer, J.F., Rodosthenous, P., Dimitrakopoulos, G., Varlamis, I., & Höß, A. (2024). Enabling Technologies for the Navigation and Communication of UAS Operating in the Context of BVLOS. Electronics, 13(2), 340.
  6. Kafyra, M., Kalafati, I. P., Varlamis, I., Kaliora, A. C., & Dedoussis, G. V. (2023). The effects of a dietary intervention for weight loss and gene-diet interactions on body composition in adults. Clinical Nutrition ESPEN, 58, 748.
  7. Kaklis, D., Varlamis, I., Giannakopoulos, G., Varelas, T. J., & Spyropoulos, C. D. (2023). Enabling digital twins in the maritime sector through the lens of AI and industry 4.0. International Journal of Information Management Data Insights, 3(2), 100178.
  8. Chronis, C., Anagnostopoulos, G., Politi, E., Dimitrakopoulos, G., & Varlamis, I. (2023). Dynamic Navigation in Unconstrained Environments Using Reinforcement Learning Algorithms. IEEE Access.
  9. Ayazbayev, D., Bogdanchikov, A., Orynbekova, K., & Varlamis, I. (2023). Defining Semantically Close Words of Kazakh Language with Distributed System Apache Spark. Big Data and Cognitive Computing, 7(4), 160.
  10. Rizou, S., Theofilatos, A., Paflioti, A., Pissari, E., Varlamis, I., Sarigiannidis, G., & Chatzisavvas, K. C. (2023). Efficient intent classification and entity recognition for university administrative services employing deep learning models. Intelligent Systems with Applications, 19, 200247.
  11. Varlamis, I., Sardianos, C., Chronis, C., Dimitrakopoulos, G., Himeur, Y., Alsalemi, A., Bensaali, F., & Amira, A. (2023). Using big data and federated learning for generating energy efficiency recommendations. International Journal of Data Science and Analytics, 16(3), 353-369.
  12. Pergantis, M., Varlamis, I., Kanellopoulos, N. G., & Giannakoulopoulos, A. (2023). Searching Online for Art and Culture: User Behavior Analysis. Future Internet, 15(6), 211.
  13. Chronis, C., Anagnostopoulos, G., Politi, E., Garyfallou, A., Varlamis, I., & Dimitrakopoulos, G. (2023, June). Path planning of autonomous UAVs using reinforcement learning. In Journal of Physics: Conference Series (Vol. 2526, No. 1, p. 012088). IOP Publishing.
  14. Himeur, Y., Al-Maadeed, S., Varlamis, I., Al-Maadeed, N., Abualsaud, K., & Mohamed, A. (2023). Face mask detection in smart cities using deep and transfer learning: Lessons learned from the COVID-19 pandemic. Systems, 11(2), 107.
  15. Bousbiat, H., Himeur, Y., Varlamis, I., Bensaali, F., & Amira, A. (2023). Neural load disaggregation: Meta-analysis, federated learning and beyond. Energies, 16(2), 991.
  16. Fotakis, C., Kalafati, I. P., Amanatidou, A. I., Andreou, V., Matzapetakis, M., Kafyra, M., Varlamis, I., Zervou, M., & Dedoussis, G. V. (2023). Serum metabolomic profiling unveils distinct sex-related metabolic patterns in NAFLD. Frontiers in Endocrinology, 14, 1230457.
  17. Michail, D., Kanakaris, N., & Varlamis, I. (2022). Detection of fake news campaigns using graph convolutional networks. International Journal of Information Management Data Insights, 2(2), 100104.
  18. Bogdanchikov, A., Ayazbayev, D., & Varlamis, I. (2022). Classification of Scientific Documents in the Kazakh Language Using Deep Neural Networks and a Fusion of Images and Text. Big Data and Cognitive Computing, 6(4), 123.
  19. Eirinaki, M., Varlamis, I., Dahihande, J., Jaiswal, A., Pagar, A. A., & Thakare, A. (2022). Real-time recommendations for energy-efficient appliance usage in households. Frontiers in big Data, 90.
  20. Chronis, C., & Varlamis, I. (2022). FOSSBot: An Open Source and Open Design Educational Robot. Electronics, 11(16), 2606.
  21. Kouretsis, A., Varlamis, I., Limniati, L., Pergantis, M., & Giannakoulopoulos, A. (2022). Mapping Art to a Knowledge Graph: Using Data for Exploring the Relations among Visual Objects in Renaissance Art. Future Internet, 14(7), 206.
  22. Pergantis, M., Varlamis, I., & Giannakoulopoulos, A. (2022). User Evaluation and Metrics Analysis of a Prototype Web-Based Federated Search Engine for Art and Cultural Heritage. Information, 13(6), 285.
  23. Varlamis, I., Sardianos, C., Chronis, C., Dimitrakopoulos, G., Himeur, Y., Alsalemi, A., ... & Amira, A. (2022). Using big data and federated learning for generating energy efficiency recommendations. International Journal of Data Science and Analytics, 1-17.
  24. Papoutsakis, K., Papadopoulos, G., Maniadakis, M., Papadopoulos, T., Lourakis, M., Pateraki, M., & Varlamis, I. (2022). Detection of Physical Strain and Fatigue in Industrial Environments Using Visual and Non-Visual Low-Cost Sensors. Technologies, 10(2), 42.
  25. Varlamis, I., Michail, D., Glykou, F., & Tsantilas, P. (2022). A Survey on the Use of Graph Convolutional Networks for Combating Fake News. Future Internet, 14(3), 70.
  26. Giannakoulopoulos, A., Pergantis, M., Konstantinou, N., Kouretsis, A., Lamprogeorgos, A., & Varlamis, I. (2022). Estimation on the Importance of Semantic Web Integration for Art and Culture Related Online Media Outlets. Future Internet, 14(2), 36.
  27. Himeur, Y., Alsalemi, A., Bensaali, F., Amira, A., Varlamis, I., Bravos, G., ... & Dimitrakopoulos, G. (2022). Techno-economic assessment of building energy efficiency systems using behavioral change: A case study of an edge-based micro-moments solution. Journal of Cleaner Production, 331, 129786.
  28. Katsas, I., Apostolakis, I., & Varlamis, I. (2022). Social media in health care: Exploring its use by health-care professionals in Greece. Informatics for Health and Social Care, 47(1), 1-9. DOI: 10.1080/17538157.2021.1906256
  29. Himeur, Y., Sayed, A., Alsalemi, A., Bensaali, F., Amira, A., Varlamis, I., ... & Dimitrakopoulos, G. (2022). Blockchain-based recommender systems: Applications, challenges and future opportunities. Computer Science Review, 43, 100439.
  30. Varlamis, I., Sardianos, C., Chronis, C., Dimitrakopoulos, G., Himeur, Y., Alsalemi, A., Bensaali, F. and Amira, A., 2022. Smart fusion of sensor data and human feedback for personalized energy-saving recommendations. Applied Energy, 305, p.117775. Elsevier. doi: 10.1016/j.apenergy.2021.117775
  31. Athanassiou, G., Gajewski, P., Ascolese, A., Ballesteros, S., Maniadakis, M., Pateraki, M., Prieto, A., Varlamis, I. and Monferino, R., 2021. Sustainable work through technology-assisted enhancement of cognitive abilities of older employees: the sustAGE approach. Das Gesundheitswesen, 83(08/09), p.249. Thieme. doi: 10.1055/s-0041-1731984
  32. Alexandridis, G., Varlamis, I., Korovesis, K., Caridakis, G., & Tsantilas, P. (2021). A Survey on Sentiment Analysis and Opinion Mining in Greek Social Media. Information, 12(8), 331. MDPI. doi: 10.3390/info12080331
  33. Himeur, Y., Alsalemi, A., Al-Kababji, A., Bensaali, F., Amira, A., Sardianos, C., Dimitrakopoulos, G. and Varlamis, I., 2021. A survey of recommender systems for energy efficiency in buildings: Principles, challenges and prospects. Information Fusion, 72, pp.1-21. Elsevier. doi: 10.1016/j.inffus.2021.02.002
  34. Dantas, C., Mackiewicz, K., Tageo, V., Jacucci, G., Guardado, D., Ortet, S., Varlamis, I., Maniadakis, M., de Lera, E., Quintas, J. and Kocsis, O., Benefits and Hurdles of AI In The Workplace–What Comes Next?. International Journal of Artificial Intelligence and Expert Systems (IJAE), 10 (2). 2021. CSC. ISSN: 2180-124X
  35. Varlamis, I. (2021). Affinity analysis for studying physicians’ prescription behavior. Data Mining and Knowledge Discovery, 1-21. doi: 10.1007/s10618-021-00758-4
  36. Amerikanou, C., Kanoni, S., Kaliora, A. C., Barone, A., Bjelan, M., d'Auria, G., ... & MAST4HEALTH consortium. (2021). Effect of Mastiha Supplementation on NAFLD: The MAST4HEALTH Randomised, Controlled Trial. Molecular Nutrition & Food Research, 65(10), 2001178. Wiley. doi: 10.1002/mnfr.202001178
  37. Nasir, J. A., Khan, O. S., & Varlamis, I. (2021). Fake news detection: A hybrid CNN-RNN based deep learning approach. International Journal of Information Management Data Insights, 1(1), 100007. Elsevier. doi: 10.1016/j.jjimei.2020.100007
  38. Sardianos, C., Varlamis, I., Chronis, C., Dimitrakopoulos, G., Alsalemi, A., Himeur, Y., Bensaali, F. & Amira, A. (2021). The emergence of explainability of intelligent systems: Delivering explainable and personalized recommendations for energy efficiency. International Journal of Intelligent Systems, 36(2), 656-680. Wiley. doi: 10.1002/int.22314
  39. Katsas, I., Apostolakis, I., & Varlamis, I. (2021). Social media in health care: Exploring its use by health-care professionals in Greece. Informatics for Health and Social Care, 1-9. Taylor & Francis. doi: 10.1080/17538157.2021.1906256
  40. Varlamis, I., Kontopoulos, I., Tserpes, K., Etemad, M., Soares, A., & Matwin, S. (2021). Building navigation networks from multi-vessel trajectory data. GeoInformatica 25 (1), 1-29. Springer. doi: 10.1007/s10707-020-00421-y
  41. Kontopoulos, I., Varlamis, I., Tserpes, K. (2021). A distributed framework for extracting maritime traffic patterns. International Journal of Geographical Information Science, 35 (4), 1-26. Taylor & Francis. doi: 10.1080/13658816.2020.1792914
  42. Izquierdo, Y. T., Monteagudo García, G., Casanova, M. A., Paes Leme, L. A. P., Sardianos, C., Tserpes, K., Varlamis, I., Ruback Rodrigues, L. C. (2021). Stop-and-move sequence expressions over semantic trajectories. International Journal of Geographical Information Science, 35 (4), 1-26. Taylor & Francis. doi: 10.1080/13658816.2020.1793157
  43. Varlamis, I., Michail, D., Polydoras, P., & Tsantilas, P. (2020). A distributed architecture for large scale news and social media processing. International Journal of Web Engineering and Technology, 15(4), 383-406. Inderscience. doi: 10.1504/IJWET.2020.114029
  44. Alsalemi, A., Himeur, Y., Bensaali, F., Amira, A., Sardianos, C., Chronis, C., Varlamis, I., Dimitrakopoulos, G. (2020). A micro-moment system for domestic energy efficiency analysis. IEEE Systems Journaldoi: 10.1016/j.future.2020.05.041
  45. Sardianos, C., Varlamis, I., Dimitrakopoulos, G., Anagnostopoulos, D., Alsalemi, A., Bensaali, F., Himeur, Y., Amira, A. (2020). REHAB-C: Recommendations for Energy HABits Change. Future Generation Computer Systems.doi: 10.1109/JSYST.2020.2997773
  46. Giannakoulopoulos, A., Pergantis, M., Konstantinou, N., Lamprogeorgos, A., Limniati, L., Varlamis, I. (2020). Exploring the Dominance of the English Language on the Websites of EU Countries. Future Internet, 12(4), 76. doi: 10.3390/fi12040076
  47. Katsas, K., Mamalaki, E., Kontogianni, M. D., Anastasiou, C. A., Kosmidis, M. H., Varlamis, I., Hadjigeorgiou, G.M., Dardiotis, E., Sakka, P., Scarmeas, N., Yannakoulia, M. (2020). Malnutrition in older adults: Correlations with social, diet-related, and neuropsychological factors. Nutrition, 71, 110640.doi: 10.1016/j.nut.2019.110640
  48. Alsalemi, A., Himeur, Y., Bensaali, F., Amira, A., Sardianos, C., Varlamis, I., Dimitrakopoulos, G. (2020). Achieving Domestic Energy Efficiency Using Micro-Moments and Intelligent Recommendations. IEEE Access, 8, 15047-15055.doi: 10.1109/ACCESS.2020.2966640
  49. Tserpes, K., Pateraki, M., Varlamis, (2019). Strand: scalable trilateration with Node. js. Journal of Cloud Computing, 8(1), 1-16. Springer. doi: 10.1186/s13677-019-0142-y
  50. Giannakoulopoulos, A., Konstantinou, N., Koutsompolis, D., Pergantis, M., Varlamis, I. (2019). Academic Excellence, Website Quality, SEO Performance: Is there a Correlation?. Future Internet, 11(11), 242., MDPI. doi: 10.3390/fi11110242
  51. Kapadais, K., Varlamis, I., Sardianos, C. and Tserpes, K., (2019). A Framework for the Detection of Search and Rescue Patterns Using Shapelet Classification. Future Internet, 11(9), p.192, MDPI. doi: 10.3390/fi11090192
  52. Nasir, J.A., Varlamis, I., Ishfaq, S. (2019). A knowledge-based semantic framework for query expansion. Information Processing & Management, 56(5), September 2019, pp. 1605-1617, Elsevier.doi: 10.1016/j.ipm.2019.04.007
  53. Alsalemi, A., Ramadan, M., Bensaali, F., Amira, A., Sardianos, C., Varlamis, I., Dimitrakopoulos, G. (2019). Endorsing domestic energy saving behavior using micro-moment classification. Applied Energy, Volume 250, September 2019, pp. 1302-1311, Elsevier.doi: 10.1016/j.apenergy.2019.05.089
  54. Michail, D., Makris, A., Varlamis, I., Sawyer, M. (2019). Parallelization of large-scale drug–protein binding experiments. Future Generation Computer Systems (FGCS) Journal. Vol. 97, 492-502, August 2019, Elsevier.doi: 10.1016/j.future.2019.02.065
  55. Sardianos, C., Papadatos, G. B., Varlamis, I. (2019). Optimizing Parallel Collaborative Filtering Approaches for Improving Recommendation Systems Performance. Information. 10(5), 155, April 2019, MDPI.doi: 10.3390/info10050155
  56. Alsalemi, A., Sardianos, C., Bensaali, F., Varlamis, I., Amira, A., Dimitrakopoulos, G. (2019). The Role of Micro-Moments: A Survey of Habitual Behavior Change and Recommender Systems for Energy Saving. IEEE Systems Journal, Issue 99, 1-12, March 2019, IEEE.doi: 10.1109/JSYST.2019.2899832
  57. Violos, I., Tserpes, K., Varlamis, I., Varvarigou, T. (2018). Text classification using the n-gram graph representation model over high frequency data streams. Frontiers in Applied Mathematics and Statistics, section Mathematics of Computation and Data Science Journal. doi: 10.3389/fams.2018.00041
  58. Passali, C., Maniopoulou, D., Apostolakis, I., Varlamis, I. (2018). Work-related musculoskeletal disorders among greek hospital nursing professionals: A cross-sectional observational study. Work, 61(3), 2018, pp 489-498, IOS Press.doi: 10.3233/WOR-182812
  59. Kouris, P., Varlamis, I., Alexandridis, G., Stafylopatis, A. (2018). A versatile package recommendation framework aiming at preference score maximization. Evolving Systems, 1-19. Springer.doi:10.1007/s12530-018-9231-2
  60. Eirinaki, M., Gao, J., Varlamis, I., Tserpes, K. (2018). Recommender Systems for Large-Scale Social Networks: A review of challenges and solutions. Future Generation Computer Systems, 78(1), 413-418, Elsevier.doi:10.1016/j.future.2017.09.015
  61. Dharia, S., Eirinaki, M., Jain, V., Patel, J., Varlamis, I., Vora, J., Yamauchi, R. (2017). Social recommendations for personalized fitness assistance. Personal and Ubiquitous Computing, 1-13, Springer.doi:10.1007/s00779-017-1039-8pdf
  62. Panagopoulos, G., Tsatsaronis, G., Varlamis, I. (2017). Detecting rising stars in dynamic collaborative networks. Journal of Informetrics, 11(1), 198-222, Elsevier.http://dx.doi.org/10.1016/j.joi.2016.11.003pdf
  63. Makrynioti, N., Grivas, A., Sardianos, C., Tsirakis, N., Varlamis, I., Vassalos, V., Poulopoulos, V., Tsantilas, P. (2017). PaloPro: a platform for knowledge extraction from big social data and the news. International Journal of Big Data Intelligence, 4(1), 3-22, Inderscience. doi:http://dx.doi.org/10.1504/IJBDI.2017.081185.pdf
  64. Varlamis, I., Fasarakis-Hilliard, D. (2017). Finding influential sources and breaking news in news media using graph analysis techniques. International Journal of Web Engineering and Technology, 12(2), 143-164, Inderscience.doi:10.1504/IJWET.2017.086449.pdf
  65. Tsirakis, N., Poulopoulos, V., Tsantilas, P., Varlamis, I. (2017). Large scale opinion mining for social, news and blog data. Journal of Systems and Software, 127, 237–248. Elsevier, May 2017.doi:10.1016/j.jss.2016.06.012.pdf
  66. Kostarikas, I., Konstantinou, N., Varlamis, I., Giannakoulopoulos., A. (2014). Challenges from implementing Blended Learning in a 3D Multiuser Virtual Environment. eLearning Papers 39, Open Education Europa. ISSN: 1887-1542. pdf
  67. Eirinaki, M., Louta, M. D., Varlamis, I. (2014). A trust-aware system for personalized user recommendations in social networks. IEEE Transactions on Systems, Man, and Cybernetics: Systems, 44(4), 409-421.DOI: 10.1109/TSMC.2013.2263128pdf
  68. Nasir, J. A., Varlamis, I., Karim, A., Tsatsaronis, G. (2013). Semantic smoothing for text clustering. Knowledge-Based Systems, 54, 216-229, Elsevier.DOI: 10.1016/j.knosys.2013.09.012pdf
  69. Soulis, K., Varlamis, I., Giannakoulopoulos, A., Charatsev, F. (2013). A tool for the visualization of public opinion. International Journal of Electronic Governance, 6(3), 218-231, Inderscience. DOI: 10.1504/IJEG.2013.058404pdf
  70. Apostolakis, I., Koulierakis, G., Berler, A., Chryssanthou, A., Varlamis, I. (2012). Use of social media by healthcare professionals in Greece: an exploratory study. International Journal of Electronic Healthcare, 7(2), 105-124, Inderscience. DOI: 10.1504/IJEH.2012.049873pdf
  71. Varlamis, I., Tsatsaronis, G. (2012). Mining Potential Research Synergies from Co-Authorship Graphs using Power Graph Analysis. International Journal of Web Engineering and Technology, 7(3), 250-272, Inderscience. DOI: 10.1504/IJWET.2012.048520pdf.
  72. Chryssanthou, A., Varlamis, I., Sarivougioukas, I., Apostolakis, I. (2012). Hospital Information Systems Replacement. International Journal of Reliable and Quality E-Healthcare. 1(3), 1-12. Inderscience.DOI: 10.4018/ijrqeh.2012070101pdf
  73. Chryssanthou, A., Varlamis, I., Latsiou, C. (2011). A risk management model for securing virtual healthcare communities. International Journal of Electronic Healthcare6(2/3/4), 95-116, Inderscience.DOI: 10.1504/IJEH.2011.044344pdf
  74. Tsatsaronis, G., Varlamis, I., Vazirgiannis, M. (2010). Text Relatedness based on a Word Thesaurus. Journal of Artifical Intelligence Research, 37, 1-39. Impact factor 3.45.pdf
  75. Varlamis, I., Apostolakis, I. (2010). Self supportive virtual communities. International Journal on Web Based Communities, 6(1), 43-61, IGI Global.pdf
  76. Giannikopoulos, P., Varlamis, I., Eirinaki, M. (2010). Mining frequent generalized patterns for Web personalization in the presence of topic hierarchies. International Journal of Data Warehousing and Mining, 6(1), 1-15, IGI Global. Impact factor 1.44.pdf
  77. Varlamis, I., Stamou, S. (2009). Semantically Driven Snippet Selection for Supporting Focused Web Searches. Data & Knowledge Engineering Journal, 68(2), 261-277, Elsevier. This article is included in the journal's "Top 25 Hottest Articles" classification provided by ScienceDirect for the period January - March 2009. Impact factor 2.57.(http://top25.sciencedirect.com/).pdf
  78. Varlamis, I. (2007). A Flexible model for the delivery of multi-facet Information in Patient-centric Healthcare Information Systems. The electronic Journal for E-Commerce Tools and Applications, Special Issue on Interoperability and security in medical information systems, 2(2).pdf
  79. Varlamis, I., Apostolakis., I. (2006). The Present and Future of Standards for E-Learning Technologies. Interdisciplinary Journal of Knowledge and Learning Objects, 2. pdf
  80. Varlamis, I., Apostolakis., I. (2006). Use of virtual communities for the welfare of groups with particular needs. Journal on Information Technology in Healthcare 4(6), 384-392. pdf
  81. Varlamis, I., Apostolakis., I. (2005). Monitoring evolution in Healthcare domain. Journal for Quality of Life Research, 3(2). Impact Factor 2.43. pdf
  82. Varlamis, I., Vazirgiannis, M., Halkidi, M., Nguyen, B. (2004). THESUS, a Closer View on Web Content Management Enhanced with Link Semantics. IEEE Transactions on Knowledge and Data Engineering 16(6), 685-700. Impact Factor 2.30. pdf
  83. Varlamis, I., Vazirgiannis, M., Lazaridis, I., Papageorgiou, M., Panayiotopoulos, T. (2004). Distributed Virtual Reality Authoring Interfaces for the WWW: The VR-Shop Case. Multimedia Tools and Applications, 22(1), 5-30. pdf
  84. Halkidi, M., Nguyen, B., Varlamis, I., Vazirgiannis, M. (2003). THESUS: Organizing Web document collections based on link semantics. International Journal on Very Large Data Bases, 12(4), 320-332, ACM. Impact Factor 3.09. pdf

International conferences

  1. Kazazis, G., Chronis, C., Diou, C., & Varlamis, I. (2023, November). Development and evaluation of Reinforcement Learning models for the FOSSBot Open-Source educational robot. In Proceedings of the 27th Pan-Hellenic Conference on Progress in Computing and Informatics (pp. 26-35).
  2. Anagnostopoulos, G., Stavropoulos, G., Violos, J., Leivadeas, A., & Varlamis, I. (2023, July). Enhancing virtual sensors to deal with missing values and low sampling rates. In 2023 11th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering (MobileCloud) (pp. 39-44). IEEE.
  3. Iliopoulos, A., Violos, J., Diou, C., & Varlamis, I. (2023, July). Detection of Anomalies in Multivariate Time Series Using Ensemble Techniques. In 2023 IEEE Ninth International Conference on Big Data Computing Service and Applications (BigDataService) (pp. 1-8). IEEE.
  4. Lomonaco, V., De Caro, V., Gallicchio, C., Carta, A., Sardianos, C., Varlamis, I., ... & Bacciu, D. (2023, June). AI-Toolkit: A Microservices Architecture for Low-Code Decentralized Machine Intelligence. In 2023 IEEE International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW) (pp. 1-5). IEEE.
  5. Kaklis, D., Varelas, T. J., Varlamis, I., Eirinakis, P., Giannakopoulos, G., & Spyropoulos, C. V. (2023, March). From STEAM to Machine: Emissions control in the shipping 4.0 era. In SNAME International Symposium on Ship Operations, Management and Economics (p. D011S001R002). SNAME.
  6. Varelas, T. J., Kaklis, D., Varlamis, I., & Flori, A. (2023, July). Improving voyage efficiency in the shipping 4.0 decarbonization era. In 2023 IEEE International Conference on Service-Oriented System Engineering (SOSE) (pp. 191-198). IEEE.
  7. Davalas, C., Michail, D., Varlamis, I., & Tserpes, K. (2022). A Cloud-based Continual Learning System for Road Sign Classification in Autonomous Driving. In CI4PM/PAI@ WCCI (pp. 78-83).
  8. Politi, E., Garyfallou, A., Panagiotopoulos, I., Varlamis, I., & Dimitrakopoulos, G. (2023). Path planning and landing for unmanned aerial vehicles using ai. In Proceedings of the Future Technologies Conference (pp. 343-357). Springer, Cham.
  9. Gkolfopoulos, G., & Varlamis, I. (2022, September). Developing a news classifier for Greek using BERT. In 2022 7th South-East Europe Design Automation, Computer Engineering, Computer Networks and Social Media Conference (SEEDA-CECNSM) (pp. 1-6). IEEE.
  10. Kane, R., Varlamis, I., Yiannakoulia, M., & Skarmeas, N. (2022, September). Use of AI methods for handling multi-dimensionality and missing values in biomedical data. In Proceedings of the 12th Hellenic Conference on Artificial Intelligence (pp. 1-6).
  11. Politi, E., Varlamis, I., Tserpes, K., Larsen, M., & Dimitrakopoulos, G. (2022, August). The future of safe BVLOS drone operations with respect to system and service engineering. In 2022 IEEE International Conference on Service-Oriented System Engineering (SOSE) (pp. 133-140). IEEE.
  12. Kaklis, D., Eirinakis, P., Giannakopoulos, G., Spyropoulos, C., Varelas, T. J., & Varlamis, I. (2022, August). A big data approach for Fuel Oil Consumption estimation in the maritime industry. In 2022 IEEE Eighth International Conference on Big Data Computing Service and Applications (BigDataService) (pp. 39-47). IEEE.
  13. Varlamis, I., Maniadakis, M., & Athanassiou, G. (2022). A Micro-Moment Recommendation Framework in Industrial Environments. Human Factors and Systems Interaction, 52, 96.
  14. Gryllakis, F., Pelekis, N., Doulkeridis, C., Varlamis, I., & Theodoridis, Y. (2022, July). Social Spatio-temporal Keyword Pattern (S²KP) Queries in Multiple Aspect Trajectories Databases. In Proceedings of the 34th International Conference on Scientific and Statistical Database Management (pp. 1-12).
  15. De Caro, V., Bano, S., Machumilane, A., Gotta, A., Cassarà, P., Carta, A., ... & Bacciu, D. (2022, March). AI-as-a-Service Toolkit for Human-Centered Intelligence in Autonomous Driving. In 2022 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events (PerCom Workshops) (pp. 91-93). IEEE.
  16. Kaklis, D., Varlamis, I., Giannakopoulos, G., Spyropoulos, C., & Varelas, T. J. (2022, June). Online training for fuel oil consumption estimation: A data driven approach. In 2022 23rd IEEE International Conference on Mobile Data Management (MDM) (pp. 394-400). IEEE.
  17. Davalas, C., Michail, D., Diou, C., Varlamis, I., & Tserpes, K. (2022). Computationally Efficient Rehearsal for Online Continual Learning. In International Conference on Image Analysis and Processing (pp. 39-49). Springer, Cham.
  18. Maniatis, N., Alexandridis, G., Korovesis, K., Varlamis, I., Tsantilas, P., Klimis, G. M., & Caridakis, G. (2021, November). Bibliometrics for Measuring Social Media Influence: Evaluating the use of h-Index as a ranking metric of Twitter users’ influence. In 25th Pan-Hellenic Conference on Informatics (pp. 190-194).
  19. Chronis, C., Sardianos, C., Varlamis, I., Michail, D., & Tserpes, K. (2021, November). A driving profile recommender system for autonomous driving using sensor data and reinforcement learning. In 25th Pan-Hellenic Conference on Informatics (pp. 33-38).
  20. Alexandridis, G., Korovesis, K., Varlamis, I., Tsantilas, P., & Caridakis, G. (2021, November). Emotion detection on Greek social media using Bidirectional Encoder Representations from Transformers. In 25th Pan-Hellenic Conference on Informatics (pp. 28-32).
  21. Athanassiou, G., Pateraki, M., & Varlamis, I. (2021, October). Micro-moment-based Interventions for a Personalized Support of Healthy and Sustainable Ageing at Work: Development and Application of a Context-sensitive Recommendation Framework. In 2nd International Workshop on Smart, Personalised and Age-Friendly Working Environment, IJCCI (pp. 409-419).
  22. Athanassiou, G., Gajewski, P., Ascolese, A., Ballesteros, S., Maniadakis, M., Pateraki, M., Prieto, A., Varlamis, I. and Monferino, R., 2021. Sustainable work through technology-assisted enhancement of cognitive abilities of older employees: the sustAGE approach. Das Gesundheitswesen, 83(08/09), p.249. Thieme. doi: 10.1055/s-0041-1731984
  23. Sardianos, C., Varlamis, I., Chronis, C., Dimitrakopoulos, G., Alsalemi, A., Himeur, Y., ... & Amira, A. (2021). Reshaping consumption habits by exploiting energy-related micro-moment recommendations: A case study. In International Conference on Smart Cities and Green ICT Systems, International Conference on Vehicle Technology and Intelligent Transport Systems (pp. 65-84). Springer, Cham.pdf
  24. Macher, G., Akarmazyan, S., Armengaud, E., Bacciu, D., Calandra, C., Danzinger, H., ..., Varlamis, I., & Veledar, O. (2021, September). Dependable Integration Concepts for Human-Centric AI-Based Systems. In International Conference on Computer Safety, Reliability, and Security (pp. 11-23). Springer, Cham.pdf
  25. Bacciu, D., Akarmazyan, S., Armengaud, E., Bacco, M., Bravos, G., Calandra, C., ..., Varlamis, I., & Veledar, O. (2021, August). TEACHING-Trustworthy autonomous cyber-physical applications through human-centred intelligence. In 2021 IEEE International Conference on Omni-Layer Intelligent Systems (COINS) (pp. 1-6). IEEE. pdf
  26. Papoutsakis, K., Papadopoulos, T., Maniadakis, M., Lourakis, M., Pateraki, M., & Varlamis, I. (2021). Detection of physical strain and fatigue in industrial environments using visual and non-visual sensors. In the 14th PErvasive Technologies Related to Assistive Environments Conference (PETRA 2021) pp. 270-271. ACM, 2021.pdf
  27. Politi, E., Panagiotopoulos, I., Varlamis, I., & Dimitrakopoulos, G. (2021). A Survey of UAS Technologies to Enable Beyond Visual Line Of Sight (BVLOS) Operations. In the 7th International Conference on Vehicle Technology and Intelligent Transport Systems (VEHITS 2021) (pp. 505-512). ScitePresspdf
  28. Varlamis, I., Sardianos, C., Bogorny, V., Alvares, L. O., Carvalho, J. T., Renso, C., Perego, R. & Violos, J. (2021, March). A novel similarity measure for multiple aspect trajectory clustering. In Proceedings of the 36th Annual ACM Symposium on Applied Computing (SAC 2021) (pp. 551-558). ACM. pdf
  29. Sardianos, C., Chronis, C., Varlamis, I., Dimitrakopoulos, G., Himeur, Y., Alsalemi, A., Bensaali, F., Amira, A., (2020, November). Real-time personalised energy saving recommendations. In IEEE International Conference on Smart Data (SmartData) pp. 366-371. IEEE, 2020.pdf
  30. Giorgas, K., Varlamis, I. (2020, November). Online federated learning with imbalanced class distribution. In Proceedings of the 24th Pan-Hellenic Conference on Informatics, (PCI 2021) (pp. 91-95). ACM Digital Library. DOI: 10.1145/3437120.3437282.pdf
  31. Dahihande, J., Jaiswal, A., Pagar, A. A., Thakare, A., Eirinaki, M., & Varlamis, I. (2020, September). Reducing energy waste in households through real-time recommendations. In Fourteenth ACM Conference on Recommender Systems (RecSys 2020) pp. 545-550. ACM, 2020.pdf
  32. Himeur, Y., Alsalemi, A., Bensaali, F., Amira, A., Sardianos, C., Varlamis, I., & Dimitrakopoulos, G. (2020, September). On the applicability of 2d local binary patterns for identifying electrical appliances in non-intrusive load monitoring. In Proceedings of SAI Intelligent Systems Conference, (IntelliSys 2020) (pp. 188-205). Advances in Intelligent Systems and Computing, vol 1252. Springer, Cham.pdf
  33. Sardianos, C., Varlamis, I., Chronis, C., Dimitrakopoulos, G., Himeur, Y., Alsalemi, A., Bensaali, F., Amira, A. (2020, August). Data analytics, automations, and micro-moment based recommendations for energy efficiency. In 2020 IEEE Sixth International Conference on Big Data Computing Service and Applications (BigDataService 2020) (pp. 96-103). IEEE.pdf
  34. Sardianos, C., Varlamis, I., Chronis, C., Dimitrakopoulos, G., Himeur, Y., Alsalemi, A., Bensaali, F., Amira, A. (2020, February). A model for predicting room occupancy based on motion sensor data. In 2020 IEEE International Conference on Informatics, IoT, and Enabling Technologies (ICIoT), February 2-5, Doha, Qatar, pp. 394-399. IEEE.pdf
  35. Apostolou-Karampelis, K., Amerikanou, C., ..., Varlamis, I., ..., Dedoussis, G., (2019). SAT-290-Association of liver inflammation and fibrosis score with noninvasive biomarkers in non-alcoholic fatty liver disease: Preliminary results from the MAST4HEALTH study. Journal of Hepatology, Volume 70, Issue 1, Supplement, Page e762, April 2019, EASL Posters.DOI: 10.1016/S0618-8278(19)31522-1
  36. Davalas, C., Michail, D., Varlamis, I., "Graph matching on social networks without any side information.". In proceedings of the 2019 IEEE International Conference on Big Data (Big Data 2019) December 9-12, 2019, Los Angeles, CA, USA, pp 1060-1065, IEEE.pdf
  37. Kontopoulos, I., Varlamis, I. and Tserpes, K., "Uncovering hidden concepts from AIS data: A network abstraction of maritime traffic for anomaly detection.". In proceedings of the MASTER Workshop at ECML/PKDD 2019 Conference (MASTER@ECML/PKDD) September 19, 2019, Würzburg, Germany, pp 6-20, LNCS, volume 11889, Springer, Cham.pdf
  38. Ramadan, M., Alsalemi, A., Bensaali, F., Amira, A., N., Sardianos, C., Varlamis, I., Dimitrakopoulos, G., Anagnostopoulos, D., "Simulating Appliance-Based Power Consumption Records for Energy Efficiency Awareness.". In the International Conference on Applied Energy 2019 (ICAEC19), Aug 12-15, 2019, Västerås, Sweden.pdf
  39. Alsalemi, A., Bensaali, F., Amira, A., Fetais, N., Sardianos, C., Varlamis, I., "Smart Energy Usage and Visualization Based on Micro-moments". In proceedings of SAI Intelligent Systems Conference (IntelliSys-2019) September 5-6, 2019 London, UK, pp. 557-566, Springer, Cham.
  40. Alsalemi, A., Ramadan, M., Bensaali, F., Amira, A., Sardianos, C., Varlamis, I., Dimitrakopoulos, G. " Boosting Domestic Energy Efficiency Through Accurate Consumption Data Collection". In Proceedings of the 5th International Symposium on Real-time Data Processing for Cloud Computing (RTDPCC-2019) in 2019 IEEE SmartWorld, Ubiquitous Intelligence Computing, Advanced & Trusted Computing, Scalable Computing & Communications, Cloud & Big Data Computing, Internet of People and Smart City Innovation, August 19-23, 2019, Leicester, UK.pdf
  41. Ramadan, M., Alsalemi, A., Bensaali, F., Amira, A., N., Sardianos, C., Varlamis, I., Dimitrakopoulos, G., Anagnostopoulos, D., "Simulating Appliance-Based Power Consumption Records for Energy Efficiency Awareness." In proceedings of the International Conference on Applied Energy 2019 (ICAE2019) Aug 12-15, 2019, Västerås, Sweden.pdf
  42. Mantas, N., Louta, M., Varlamis, I., Eirinaki, M., Karetsos, G., "The effect of global and local influence models on the quality of recommendations". In proceedings of the International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS-2019), special session on "Social Network Analysis and Performance Aspects of Socially-Aware Networking". July 22-24, 2019, Berlin, Germany.pdf
  43. Poulopoulos, V., Wallace, M., Varlamis, I., Caridakis, G., Tsantilas, P., "PaloAnalytics: project concept, scope and early results from the system implementation.". In proceedings of the 10th International Conference on Information, Intelligence, Systems and Applications (IISA-2019) July 15-17, 2019 Patras, Greece.pdf
  44. Kaklis, D., Giannakopoulos, G., Varlamis, I., Spyropoulos, C. D., Varelas, T. J., "A data mining approach for predicting main-engine rotational speed from vessel-data measurements." In Proceedings of the 23rd International Database Applications & Engineering Symposium, June 2019, Athens, (p. 14). ACM.pdf ppt
  45. Konstantinou, N., Giannakoulopoulos, A., Varlamis, I., "A Virtual Tour in Ancient Worlds". In proceedings of the 2nd International Conference on Digital Culture & AudioVisual Challenges (DCAC-2019), May 10-11, 2019, Corfu, Greece.pdf
  46. Sardianos, C., Varlamis, I., Dimitrakopoulos, G., Anagnostopoulos, D., Alsalemi, A., Bensaali, F., Amira, A., "'I want to .... change' Micro-moment based recommendations can change users’ energy habits.". In proceedings of the 8th International Conference on Smart Cities and Green ICT Systems (SMARTGREENS 2019) May 3-5, 2019, Crete, Greece.pdf ppt
  47. Alsalemi, A., Ramadan, M., Bensaali, F., Amira, A., Sardianos, C., Varlamis, I., Dimitrakopoulos, G., "Towards domestic energy efficiency: using micro-moments for personalized behavior change recommendations". In proceedings of the 8th Global Conference on Global Warming (GCGW-2019) April 22-25, 2019 Doha, Qatar.pdf
  48. Varlamis, I., Tserpes, K., Etemad, M., Soares, A., Matwin, S., "A network abstraction of multi-vessel trajectory data for detecting anomalies". In proceedings of the BMDA Workshop at EDBT/ICDT 2019 (BMDA@EDBT/ICDT-2019) March 26-29, 2019 Lisbon, Portugal.pdf
  49. Sardianos, C., Varlamis, I., Bouras, G., "Extracting user habits from Google maps history logs". In proceedings of the 2018 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2018), August 2018, Barcelona, Spain.pdf ppt
  50. Pittaras, N., Tsekouras, L., Varlamis, I., Giannakopoulos, G., "Document clustering as a record linkage problem". In proceedings of the 18th ACM Symposium on Document Engineering (DocEng 2018), August 2018, Halifax, Canada.pdf ppt
  51. Bersimis, F.G., Varlamis, I., Vamvakari, M., Panagiotakos, D.B., "Calculation Methods for Binary Classification based on Discrete Data. An Application on Synthetic and Real Data.". In proceedings of the 5th Stochastic Modeling Techniques and Data Analysis International Conference (SMTDA 2018), 12-15 June 2018, Chania, Greece.pdf
  52. Varlamis, I., Tserpes, K., Sardianos, C., "Detecting Search and Rescue missions from AIS data". In proceedings of the 9th International Workshop on Data Engineering meets the Semantic Web (DESWeb) in conjuction with ICDE 2018 (DESWEB@ICDE 2018), April 2018, Paris, France.pdf ppt
  53. I. Kontopoulos, G. Giannakopoulos, I. Varlamis, "Distributing N-Gram Graphs for Classification". In proceedings of the 21st European Conference on Advances in Databases and Information Systems (ADBIS 2017), September 2017, Nicosia, Cyprus. (CCIS, volume 767).pdf
  54. L. Tsekouras, I. Varlamis, G. Giannakopoulos, "A graph-based text similarity measure that employs named entity information". In proceedings of the 11th biennial Conference on Recent Advances in Natural Language Processing (RANLP 2017), September 2017, Varna, Bulgaria.pdf
  55. P. Kouris, I. Varlamis, G. Alexandridis, "A package recommendation framework based on collaborative filtering and preference score maximization", in proceedings of the 18th International Conference on Engineering Applications of Neural Networks 2017 (EANN 2017), August 2017, Athens, Greece.pdf
  56. A. Makris, D. Michail, I. Varlamis, C. Dimitropoulos, K. Tserpes, G. Tsatsaronis, J. Haupt, M. Sawyer, "Parallelization of large-scale Drug-Protein binding experiments". In proceedings of the 15th International Conference on High Performance Computing & Simulation, Special Session on High Performance Services Computing and Internet Technologies (SerCo@HPCS 2017), July 2017, Genoa, Italy.pdf
  57. T. Sanida, I. Varlamis, " Application of affinity analysis techniques on diagnosis and prescription data". In proceedings of the 30th IEEE International Symposium on Computer Based Medical Systems (IEEE CBMS 2017), June 2017, Thessaloniki, Greece.pdfppt
  58. F.K. Ventirozos, I. Varlamis, G. Tsatsaronis "Detecting Aggressive Behavior in Discussion Threads Using Text Mining", In Proc. of the 18th International Conference on Computational Linguistiscs and Intelligent Text Processing (CICLING 2017), April 2017, Budapest, Hungary.pdf
  59. C. Sardianos, I. Varlamis, M., Eirinaki., " Scaling Collaborative Filtering to large–scale Bipartite Rating Graphs using Lenskit and Spark". In proceedings of the 3rd IEEE International Conference on Big Data Computing Service and Application" (IEEE BigDataService 2017), April 2017, San Francisco Bay, USA.pdf ppt
  60. A. Tzoumas, C. Venetsianou, V. Giannakopoulos, G. Giannakopoulos, I. Varlamis, " City "R Us: A City Reporting application used for improving Urban Services", in Proceedings of the 12th "European Multidisciplinary Research Network on the Challenges and Uses of Information and Communication Technologies" (EUTIC 2016), September 2016, Zakynthos, Greece.pdf ppt
  61. N. Konstantinou, I. Varlamis, A. Giannakoulopoulos, K. Koskinas, " The effect of gamification in 3D virtual learning environments", in Proceedings of the 12th "European Multidisciplinary Research Network on the Challenges and Uses of Information and Communication Technologies" (EUTIC 2016), September 2016, Zakynthos, Greece.pdf ppt
  62. S. Dharia, V. Jain, J. Patel, J. Vora, R. Yamauchi, M. Eirinaki, I. Varlamis, " PRO-Fit: Exercise with friends", demo paper in Proceedings of the 2016 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, (ASONAM 2016), 18-21 Aug, 2016, San Francisco – CA, USA.pdf
  63. D. Proios, M. Eirinaki and I. Varlamis, "TipMe: Personalized advertising and aspect-based opinion mining for users and businesses", in proceedings of the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, Workshop on Social Media and Risk (SoMeRis)(SoMeRis@ASONAM 2015), 25-28 Aug, 2015, Paris, France.pdf ppt
  64. N. Tsirakis, V. Poulopoulos, P. Tsantilas, I. Varlamis", A platform for real-time opinion mining from social media and news streams", in proceedings of the 1st IEEE International Workshop on Real Time Data Stream Analytics (RTStreams@BigDataSE 2015), held in conjunction with IEEE BigDataSE-15, 20-22 Aug, 2015, Helsinki, Finland.pdf
  65. I. Varlamis, "Evolutionary data sampling for user movement classification", in Proceedings of the 2015 IEEE Congress on Evolutionary Computation (CEC 2015), Sendai, Japan, 25-28 May 2015.pdf
  66. V. Suresh, S. Roohi, M. Eirinaki, I. Varlamis, "Using Social Data for Personalizing Review Rankings", In 6th ACM RecSys Workshop on Recommender Systems & The Social Web (RSWeb@RecSys), Foster City, Silicon Valley, USA, 6 October 2014.pdf
  67. C. Sardianos, I. Varlamis, "A scalable solution for personalized recommendations in large-scale social networks", In 18th Panhellenic Conference on Informatics (PCI 2014), 2-4 Oct, 2014, Athens, Greece.pdf
  68. I. Varlamis, N. Tsirakis, V. Poulopoulos, P. Tsantilas, "An Automatic Wrapper Generation Process for Large Scale Crawling of News Websites", In 18th Panhellenic Conference on Informatics (PCI 2014), 2-4 Oct, 2014, Athens, Greece.pdf ppt
  69. I. Katakis, I. Varlamis, G. Tsatsaronis, "PYTHIA: Employing Lexical and Semantic Features for Sentiment Analysis", Demo paper presented in the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD 2014), Nancy, France, September 15-19, 2014.pdf ppt
  70. D. Sifaki-Pistolla, I. Vasilaki, I. Varlamis, I. Apostolakis, V. Georgoulias, C. Lionis, "Enhancing Cancer registration methods in Greece: The new monitoring system, spatio-temporal analysis and its perspectives.", Poster presented in the 36th IACR Conference, Ottawa, Canada, June, 2014.pdf ppt
  71. S. Tragopoulou, I. Varlamis, M. Eirinaki, "Classification of movement data concerning user’s activity recognition via mobile phones", in Proceedings of the 4th International Conference on Web Intelligence, Mining and Semantics (WIMS 2014), Thessaloniki, Greece, June 2-4, 2014.pdf ppt
  72. G. Tsatsaronis, I. Varlamis, N. Kanhabua and K. Nørvåg, "Temporal Classifiers for Predicting the Expansion of Medical Subject Headings", in Proceedings of CICLing'2013, Samos, Greece, March 2013. (26% acceptance rate).pdf ppt
  73. G. Tsatsaronis, I. Varlamis and K. Nørvåg, "SemaFor: Semantic Document Indexing using Semantic Forests", in Proceedings of the 21st ACM Conference on Information and Knowledge Management (CIKM 2012), November 2012. Maui, Hawaii. (27% acceptance rate).pdf
  74. A. Giannakoulopoulos, S. Oikonomou, I. Varlamis. "Photo Sharing and Privacy on Facebook", in proceedings of the 8th "Colloque International Enjeux et Usages des TIC" (EUTIC 2012), October 2012, Metz, France.pdf
  75. G. Tsatsaronis, K. Mourtzoukos, V. Andronikou, T. Tagaris, I. Varlamis, M. Schroeder, T. Varvarigou, D. Koutsouris, N. Matskanis, "PONTE: A Context-Aware Approach for Automated Clinical Trial Protocol Design". In proceedings of the 6th International Workshop on Personalized Access, Profile Management, and Context Awareness in Databases in conjunction with VLDB 2012 (VLDB/PersDB 2012), August 2012, Istanbul, Turkey.pdf ppt
  76. O. Gkorgkas, G. Tsatsaronis, I. Varlamis, and K. Nørvåg, "Temporal Language Modelling of Biomedical Text: A Novel Text Mining Approach for Biomarkers Prediction", European Conference on Computational Biology (ECCB 2012), Poster paper, September 2012, Switzerland.ppt
  77. V. Panagiotopoulou, I. Varlamis, I. Androutsopoulos, G. Tsatsaronis. "Word Sense Disambiguation as an Integer Linear Programming Problem", 7th Hellenic Conference on Artificial Intelligence (SETN 2012), May 2012, Lamia, Greece. Springer LNCS(LNAI), Vol. 7297, pp. 33-40.pdf ppt
  78. I. Anagnostopoulos, I. Varlamis, A. Giannakoulopoulos, V. Agapitou. "The impact of information technologies within an art educational organization", in proceedings of the 7th "Colloque International Enjeux et Usages des TIC" (EUTIC 2011), November 2011, Brussels, Belgium.pdf ppt
  79. I. Kostarikas, I. Varlamis, A. Giannakoulopoulos. "Blending Distance Learning Platforms and 3D Virtual Learning Environments", 6th International Conference in Open & Distance Learning (ICODL 2011). November 2011, Loutraki, Greece.pdf
  80. G. Tsatsaronis, M. Reimann, I. Varlamis, O. Gorgkas, K. Nørvåg. "Efficient Community Detection Using Power Graph Analysis", 9th International Workshop on Large-Scale and Distributed Systems for Information Retrieval in conjunction with ACM CIKM'11 (CIKM/LSDS-IR 2011), October 2011, Glasgow, United Kingdom.pdf
  81. I. Deliyannis, A. Giannakoulopoulos, I. Varlamis, "Utilising an Educational Framework for the Development of Edutainment Scenarios", 5th European Conference on Game Based Learning (ECGBL 2011). October 2011. Athens, Greece. pdf ppt
  82. J. A. Nasir, A. Karim, G. Tsatsaronis, I. Varlamis, "A Knowledge-based Semantic Kernel for Text Classification", in proceedings of the 18th International Symposium on String Processing and Information Retrieval (SPIRE 2011), October 2011, Pisa, Italy. (29% acceptance rate).pdf ppt
  83. G. Tsatsaronis, I. Varlamis, S. Torge, M. Reimann, K. Norvag et. al., "How to Become a Group Leader? or Modelling Author Types based on Graph Mining." In proceeding of the 1st International Conference on Theory and Practice of Digital Libraries (TPDL 2011), September 2011, Berlin, Germany. (19% acceptance rate).pdf ppt
  84. I. Varlamis, G. Tsatsaronis, "Visualizing Bibliographic Databases as Graphs and Mining Potential Research Synergies," in proceedings of the 3rd International Conference on Social Networks Analysis and Mining (ASONAM 2011), July 2011, Taiwan. (25% acceptance rate). pdf ppt
  85. I. Varlamis. "Quality of content in Web 2.0 applications", in proceedings of the 14th Annual KES Conference, 8-10 September, 2010, Cardiff, Wales, UK. In: Setchi et al. (Eds.): (KES 2010), Part III, LNAI 6278. Springer-Verlag, Berlin Heidelberg.pdf
  86. I. Varlamis, I. Apostolakis "A framework for the quality assurance of blended e-learning communities", in proceedings of the 14th Annual KES Conference, 8-10 September, 2010, Cardiff, Wales, UK. In: Setchi et al. (Eds.): (KES 2010), Part III, LNAI 6278. Springer-Verlag, Berlin Heidelberg. pdf
  87. G. Tsatsaronis, I. Varlamis, K. Nørvåg. " SemanticRank: Ranking Keywords and Sentences Using Semantic Graphs", in proceedings of the 23rd International Conference on Computational Linguistics (COLING 2010, 23-27 August, 2010, Beijing, China. pdf ppt
  88. I. Varlamis, M. Eirinaki and M. Louta. "A study on social network metrics and their application in trust networks", in Proceedings of the 2nd International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2010), 9-11 August, 2010, Odense, Denmark. (25% acceptance rate).pdf ppt
  89. G. Tsatsaronis, I. Varlamis, A. Giannakoulopoulos and N. Kanellopoulos. "Identifying free text plagiarism based on semantic similarity", in Proceedings of the 4th International Plagiarism Conference (IPC 2010), 21-23 June, 2010, Newcastle, U.K.pdf ppt
  90. E. Zavitsanos, G. Tsatsaronis, I. Varlamis, and G. Paliouras. "Scalable Semantic Annotation of Text Using Lexical and Web Resources", in Proceedings of the 6th Hellenic Conference on Artificial Intelligence (SETN 2010), 4-7 May 2010, Athens, Greece, Springer LNCS, Vol. 6040, pp. 287-296.pdf ppt
  91. G. Tsatsaronis, I. Varlamis and K. Nørvåg. "An Experimental Study on Unsupervised Graph-based Word Sense Disambiguation", Best Paper of the 11th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing 2010), March 2010, Iasi, Romania, Springer LNCS, Vol. 6008, pp. 184-198. (22% acceptance rate).pdf ppt
  92. I. Varlamis, M. Louta. "Towards a Personalized Blog Site Recommendation System: a Collaborative Rating Approach", in Proceedings of the 4th International Workshop on Semantic Media Adaptation and Personalizationtional (SMAP 2009), San Sebastian,Spain. December 2009 .pdf ppt
  93. G. Tsatsaronis, I. Varlamis, S. Stamou, K. Nørvåg, M. Vazirgiannis. "Semantic Relatedness Hits Bibliographic Data", in Proceedings of 11th ACM International Workshop on Web Information and Data Management in conjunction with CIKM 2009 (CIKM/WIDM 2009), Hong Kong, China. November 2009.pdf ppt
  94. A. Giannakoulopoulos, I. Varlamis. "Developing a Civic Journalism Social Medium on the Web: Technological Methods and Constraints", in Proceedings of the 5th "Colloque International Enjeux et Usages des TIC" (EUTIC 2009), November, 2009, Bordeaux, France.pdf
  95. N. Konstantinou, I. Varlamis, A. Giannakoulopoulos, "The use of 3D virtual learning environments in the learning process ", in Proceedings of the 5th International Conference in Open and Distance Learning 2009 (ICODL 2009), Athens, Greece, November 2009.pdf ppt
  96. N. Konstantinou, I. Varlamis, A. Giannakoulopoulos, "Using 3D worlds in an educational network ", in Proceedings of the Workshop on Informatics in Education held in conjunction with the 12th Panhellenic Conference in Informatics, PCI 2009 (PCI/WIE 2009), Corfu, Greece, September 2009.pdf ppt
  97. G. Tsatsaronis, I. Varlamis, M. Vazirgiannis., K. Nørvåg. "Omiotis: A Thesaurus-based Measure of Text Relatedness", in Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD 2009), Bled, Slovenia, September 2009. (25% acceptance rate).pdf
  98. I. Varlamis, A. Giannakoulopoulos, D. Gouscos, "Increased content accessibility for wikis and blogs", in Proceedings of the 4th Mediterranean Conference on Information Systems (MCIS 2009), Athens, Greece, 2009.pdf ppt
  99. A. Giannakoulopoulos, A. Floros, N. Kanellopoulos, I. Varlamis, "Crossing the Ts and Closing the Tags: Improving Web-Standards Compliance in Open Source E-Learning Platforms", in Proceedings of the 8th European conference on E-learning (ECEL 2009), Bari, Italy, 2009.pdf ppt
  100. I. Varlamis, A. Chryssanthou, I. Apostolakis, "Certification and security in health-related web applications", in Proceedings of the 7th International Conference on Information Communication Technologies in Health (ICICTH 2009), July 2009, Samos, Greece..pdf
  101. A. Chryssanthou, I. Varlamis, C. Latsiou, "Security and Trust in Virtual Healthcare Communities", in Proceedings of the 1st Workshop on Privacy and Security in Pervasive e-Health and Assistive Environments in conjunction with 2nd ACM International Conference on PErvasiveTechnologies Related to Assistive Environments PETRA 2009 (PETRA/PSPAE 2009), Corfu, Greece, 2009.pdf ppt
  102. S. Ververidis, I. Varlamis, "Non Governmental Organizations in Greece gone virtual", in Proceedings of the IFIP WG9.5 "Virtuality and Society" International Workshop on Images of Virtuality: Conceptualizations and Applications in Everyday Life, Athens, Greece, 2009.pdf ppt
  103. A. Giannakoulopoulos, I. Varlamis, "Feeds as Methodological Tools for Web Research", in Proceedings of the 4th "Colloque International Enjeux et Usages des TIC" (EUTIC 2008) - Challenges and Uses of ICT: Media and Information Diffusion: Towards an Open Society, October 2008, Lisbon, Portugal.pdf
  104. P. Giannikopoulos, I. Varlamis, M. Eirinaki, "Mining frequent generalized patterns for Web personalization", in Proceedings of Mining Social Data Workshop of the 18th European Conference on Artificial Intelligence ECAI 2008 (ECAI/MSoDa 2008), Patras, Greece, 2008. pdf ppt
  105. G. Tsatsaronis, I. Varlamis, M. Vazirgiannis, "Word Sense Disambiguation Using Semantic Networks", in Proceedings of the 11th International Conference on Text, Speech and Dialogue (TSD 2008), Brno, Czech Republic, September 2008.pdf
  106. I. Varlamis, I. Apostolakis, "Medical informatics in the Web 2.0 era", in Proceedings of the 1st International Symposium on Intelligent Interactive Multimedia Systems and Services (KES/IIMSS 2008), Piraeus, Greece, 9-11 July 2008.pdf
  107. I. Varlamis, V. Vassalos, A. Palaios, "A tool for monitoring the evolution of interests in the blogosphere", in Proceedings of the ICDE workshop on Data Engineering for Blogs, Social Media, and Web 2.0 (ICDE/DEBSM 2008), Cancun, Mexico, April 2008.pdf
  108. A. Kastania, I. Apostolakis, I. Varlamis, "Tele-Pediatric Education Over A Decentralized Telemedicine Network ", in Proceedings of the 6th International Conference on Information Communication Technologies in Health (ICICTH 2008), July 2008, Samos, Greece. pdf
  109. N. Zotos, P. Tzekou, G.Tsatsaronis, L. Kozanidis, S.Stamou, I. Varlamis, "To Click or not to Click? The Role of Contextualized and User-Centric Web Snippets", in Proceedings of the SIGIR 2007 Workshop on Focused Retrieval, (SIGIR/Focus 2007,) Amsterdam 2007. pdf
  110. A. Kritikopoulos, M. Sideri, I. Varlamis, " Wordrank: A method for ranking web pages based on content similarity", in Proceedings of the 24th British National Conference on Databases (BNCOD/WebIM 2007) Web Information Management Workshop, July 2-3, 2007, Glasgow, U.K.pdf
  111. A. Kossyvaki, I. Varlamis, "A virtual community for the Deaf and the Hearing", in Proceedings of 3rd "Colloque International Enjeux et Usages des TIC" (EUTIC 2007) - Media and Information Diffusion: Towards an Open Society, November 2007, Athens, Greece. pdf
  112. I. Varlamis, I. Apostolakis, "Good practices for the development of Open Virtual Learning Communities", in Proceedings of the 4th International Conference in Open and Distance Learning 2007 (ICODL 2007), Forms of Democracy in Education: Open Access and Distance Education, 2007, Athens, Greece.pdf
  113. A. Kritikopoulos, M. Sideri, I. Varlamis, " Success Index: Measuring the efficiency of search engines using implicit user feedback.", in Proceedings of the 11th Pan-Hellenic Conference on Informatics (PCI 2007), Special Session on Web Search and Mining. May 2007, Patras, Greece. pdf
  114. A. Kritikopoulos, M. Sideri, I. Varlamis, "BLOGRANK: Ranking on the blogosphere", in Proceedings of the 1st International Conference on Weblogs and Social Media (ICWSM 2007), March 2007, Boulder, Colorado, USA. (20% acceptance rate).pdf
  115. I. Varlamis, I. Apostolakis, "Self supportive web communities in the service of patients", in Proceedings of IADIS International Conference on Web Based Communities (WBC 2007), February 2007, Salamanca, Spain.pdf
  116. A. Papadopoulou, I. Varlamis, I. Apostolakis, "Models and Practices for the development of e-learning communities in healthcare", in Proceedings of the 5th International Conference on Information Communication Technologies in Health (ICICTH 2007), July 2007, Samos, Greece. pdf
  117. A. Kritikopoulos, M. Sideri, I. Varlamis, "BLOGRANK: Ranking weblogs based on connectivity and similarity features ", in Proceedings of the Second International Workshop on Advanced Architectures and Algorithms for Internet Delivery and Applications (AAA-IDeA 2006), Pisa, Italy, October 2006. pdf
  118. I. Varlamis, S. Bersimis, "Providing shortcuts to the learning process ", in Proceedings of the International Conference of Computational Methods in Sciences and Engineering (ICCMSE 2006), October, 2006, Chania, Greece.pdf
  119. I. Varlamis, I. Apostolakis, "A Framework for Building Virtual Communities for Education ", in Proceedings of the First European Conference on Technology Enhanced Learning (EC-TEL 2006) Joint Workshop on Professional Learning, Competence Development and Knowledge Management, Crete, Greece, October 2006. pdf
  120. I. Varlamis, I. Apostolakis, "The educational role of Communities of Practice in Biomedical Engineering ", 5th European Symposium on Biomedical Engineering (ES-BME 2006), 2006, Patras, Greece. pdf
  121. I. Varlamis, I. Apostolakis, "Use of virtual communities for the welfare of groups with particular needs ", 4th International Conference on Information Communication Technologies in Health (ICICTH 2006), July 2006, Samos, Greece. pdf
  122. I. Varlamis, I. Apostolakis, M. Karatza, "A Framework for Monitoring the Unsupervised Educational Process and Adapting the Content and Activities to Students Needs ", In Proceedings of the 2005 international conference on Web Information Systems Engineering (WISE'05), New York, USA. Lecture Notes in Computer Science, Volume 3807, Pages 124 133. Impact Factor 0.16. pdf
  123. I. Varlamis, I. Apostolakis, "Monitoring evolution in Healthcare domain ", 3rd International Conference on Information Communication Technologies in Health (ICICTH 2005), July 2005, Samos, Greece. pdf
  124. M. Eirinaki, M. Vazirgiannis, I. Varlamis, "SEWeP: Using Site Semantics and a Taxonomy to Enhance the Web Personalization Process ", in Proceedings of the 9th SIGKDD Conference, (SIGKDD 2003). Impact Factor 1.68. pdf
  125. B. Nguyen, I. Varlamis, M. Halkidi, M.Vazirgiannis, "THESUS: Organising Web Document Collections based on Links Semantics ", presented in the 7th European Conference in Digital Libraries (ECDL'03) as a poster, August 2003, Trodheim, Norway. ppt
  126. B. Nguyen, I. Varlamis, M. Halkidi, M.Vazirgiannis, "Construction de Classes de Documents Web ", Premieres Journees Francophones de la toile, Tours 2003, pages 173-182.pdf
  127. B. Nguyen, M. Vazirgianis, I. Varlamis, M. Halkidi, "Organising Web Documents into Thematic Subsets using an Ontology (THESUS)", in proceedings of Journees scientifiques Web Semantique, 2002. pdf
  128. I. Varlamis, M. Vazirgiannis, "Bridging XML-schema and relational databases: a system for generating and manipulating relational databases using valid XML documents", Proceedings of the ACM Symposium on Document engineering (DocEng 2001), 2001, Atlanta, Georgia, USA. pdf
  129. I. Varlamis, M. Vazirgiannis, "Web Document Searching Using Enhanced Hyperlink Semantics Based on XML," in Proc. Of International Database Engineering & Applications Symposium (IDEAS '01), Grenoble, France, 2001. Impact Factor 0.27. pdf
  130. G. Akrivas, S. Ioannou, E. Karakoulakis, K. Karpouzis, Y. Avrithis, A. Delopoulos, S. Kollias, I. Varlamis and M. Vaziriannis, "An Intelligent System for Retrieval and Mining of Audiovisual Material Based on the MPEG-7 Description Schemes", in proceedings of the European Symposium on Intelligent Technologies, Hybrid Systems and their implementation on Smart Adaptive Systems, (Eunite 2001), 2001, Spain. pdf
  131. I. Varlamis, M. Vazirgiannis, P. Poulos, G. Akrivas, S. Ioannou, "X-Database. A middleware for collaborative video annotation, storage and retrieval", in proceedings of the 8th Panhellenic Conference (PCI 2001), November 2001, Nicosia, Cyprus. pdf
  132. I. Varlamis, M. Vazirgiannis, P. Poulos, "Using XML as a medium for describing, modifying and querying audiovisual content stored in relational database systems", International Workshop on Very Low Bitrate Video Coding (VLBV 2001). Athens 2001. pdf
  133. I. Varlamis, M. Vazirgiannis, I. Lazaridis, "Distributed virtual reality authoring interfaces for the WWW", in proceedings of IEEE International Conference on Multimedia and Expo (ICME 2000), Volume: 1, pages 191-194 vol.1, 2000. Impact Factor 0.28. pdf

Book chapters

  1. Chronis, C., Tserpes, K., & Varlamis, I. (2024). Autonomous Vehicle Systems in Intelligent Interconnected Transportation Networks. Interconnected Modern Multi‐Energy Networks and Intelligent Transportation Systems: Towards a Green Economy and Sustainable Development, 400-431.
  2. Kanakaris, N., Michail, D., & Varlamis, I. (2023). A Comparative Survey of Graph Databases and Software for Social Network Analytics: The Link Prediction Perspective. In Graph Databases (pp. 36-55). CRC Press.
  3. Bersimis, F. G., Varlamis, I., Vamvakari, M., & Panagiotakos, D. B. (2020). Binary Classification Techniques: An Application on Simulated and Real Bio‐medical Data. In "Data Analysis and Applications 3: Computational, Classification, Financial, Statistical and Stochastic Methods, Vol 5.", Makrides, A., Karagrigoriou, A., Skiadas, C.H. editors, pp. 145-175. Wiley. pdf.
  4. Varlamis, I., Sardianos, C., & Bouras, G. (2020). Mining Habitual User Choices from Google Maps History Logs. In "Putting Social Media and Networking Data in Practice for Education, Planning, Prediction and Recommendation" (pp. 151-175). Part of the Lecture Notes in Social Networks book series (LNSN). Springer, Cham. pdf.
  5. Pateraki, M., Fysarakis, K., Sakkalis, V., Spanoudakis, G., Varlamis, I., Maniadakis, M., ... & Loutsetis, E. (2020). Biosensors and Internet of Things in smart healthcare applications: challenges and opportunities. In "Wearable and Implantable Medical Devices" (pp. 25-53). Academic Press. pdf.
  6. Bersimis, F., Varlamis, I. (2019). Use of health-related indices and classification methods in medical data. In "Classification Techniques for Medical Image Analysis and Computer Aided Diagnosis", Advances in Ubiquitous Sensing Applications for Healthcare Vol. 4. Series Editors: N. Dey, A.S. Ashour, S.J. Fong. Elsevier Academic Press. August 2019.
  7. Sardianos, C., Tsirakis, N., Varlamis, I. (2018). A Survey on the Scalability of Recommender Systems for Social Networks. In "Social Networks Science: Design, Implementation, Security, and Challenges", Dr. Nilanjan Dey, Prof. Dr. Rosalina Babo, Dr. Amira S. Ashour, Prof. Vishal Bhatnagar, Prof. Med Salim Bouhlel, editors. Springer International Publishing. June 2018.pdf
  8. Bertsima, M., Varlamis, I., Rizomiliotis, P. (2015). Strengthening Privacy in Healthcare Social Networks. In "Medical Data Privacy Handbook", A. Gkoulalas-Divanis, G. Loukides, editors. Springer International Publishing. December 2015.pdf
  9. Varlamis, I., Eirinaki, M., Louta, M. (2013). Application of social network metrics to a composite trust-aware collaborative model for generating personalized recommendations. In "The Influence of Technology on Social Network Analysis and Mining", Tansel Ozyer, et al. editors. Springer. January 2013.pdf
  10. Giannakoulopoulos, A., Varlamis, I., Kouloglou, S. (2012). Technology and Journalism: Conflict and Convergence at the Production Level. Pages 290-308. In "The handbook of global online journalism" (E. Siapera, A. Veglis eds.), Malden, MA : Wiley-Blackwell, 2012.pdf
  11. Chryssanthou, A., Varlamis, I., Latsiou, C. (2012). A Security Model for Virtual Healthcare Communities. In "Virtual Communities, Social Networks and Collaboration", editor Athina Lazakidou, Springer Annals of Information Systems (AoIS) Series, Vol 15. , ISBN: 978-1-4614-3633-1, Springer, 2012.pdf
  12. Apostolakis, I., Valsamos, P., Varlamis, I. (2010). Quality Assurance in Evidence based Medicine. In "E-Health Systems Quality and Reliability: Models and Standards", A. Kastania & A. Moumtzoglou (Eds.), IGI Global 2010. DOI: 10.4018/978-1-61692-843-8.pdf
  13. Varlamis, I., Apostolakis, I. (2010). The evolution of healthcare applications in the Web 2.0 era. In "Computational Intelligence in Healthcare 4", I. Bichindaritz et al. (Eds.), SCI 309, 315-328, Springer-Verlag Berlin Heidelberg 2010.pdf
  14. Louta, M., Varlamis, I. (2010). Blog rating as an iterative collaborative process. In M. Wallace, et al. (eds.): “Semantics in Adaptive and Personalised Services: Methods, Tools and Applications”. Studies in Computational Intelligence, Vol. 279, pp. 187-203. Springer-Verlag Berlin Heidelberg 2010.pdf
  15. Varlamis, I., Apostolakis, I. (2010). Wed-based communities for lifelong medical learning. In "Web-based Applications in Health Care & Biomedicine", editor Athina Lazakidou, Springer Annals of Information Systems (AoIS) Series, Vol 7. , ISBN: 978-1-4419-1273-2, Springer, January 2010.pdf
  16. Varlamis, I., Apostolakis, I., Chryssanthou, A. (2008). A holistic perspective of security in Health related Virtual Communities. In the Handbook of Research on Distributed Medical Informatics and E-Health, eds. Lazakidou & Siassiakos. IGI Global, September 2008. pdf
  17. Apostolakis, I., Valsamos, P., Varlamis, I. (2008). Decentralization of the Greek National Telemedicine System through the upgrading of the Regional Telemedicine Centers. In "Healthcare Information Systems and Informatics: Research and Practices ", IGI Global, editor J. Tan. May 2008.pdf
  18. Giannakoulopoulos, A., Varlamis, I. (2009). Organization and management of Virtual Communities. In "Virtual communities and the Internet, socio-psychological approaches and applications"; Koskinas & Arsenis editors. Klidarithmos, 2009, (in Greek).pdf

Patents

  1. Tsantilas, P., Varlamis, I. (2024). Web crawling and content summarization. Patent No.: 1010585. Greek Society of Industrial Property. (in Greek) pdf
  2. Varlamis, I., Vazirgiannis, M., Nguyen, B., Halkidi, M. (2003). Method and system for the collection, description, management and manipulation of digital/web documents based on semantics from a thematic ontology. Patent No.: 1004662. Greek Society of Industrial Property. (in Greek) pdf

Thesis

  1. I. Varlamis "Semantic characterization, management and manipulation of web content using ontologies and hyperlink information". PhD Thesis. Dept. of Informatics. Athens University of Economics and Business. Athens. 2003. (in Greek) pdf

Technical Reports

  1. G. Akrivas, S. Ioannou, E. Karakoulakis, K. Karpouzis, Y. Avrithis, A. Delopoulos, S. Kollias, M. Vaziriannis and I. Varlamis "An Intelligent System for Archiving and Retrieval of Audiovisual Material Based on the MPEG-7 Description Schemes", Techincal Report. 2001.pdf

 

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