Publications

Date updated: Oct 17 2017

Here is my DBLP Entry
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. I. Apostolakis, I. Varlamis, "Health information systems", Papazisis ed., Athens, 2016. ISBN: 978-960-02-3264-6.
  2. I. Apostolakis, I. Varlamis, A. Papadopoulou, "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. 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
  2. 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/s00779-017-1039-8
  3. 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.2016.11.003
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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.
  13. 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
  14. 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
  15. 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
  16. Varlamis, I., Apostolakis, I. (2010). Self supportive virtual communities. International Journal on Web Based Communities, 6(1), 43-61, IGI Global.pdf
  17. 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
  18. 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
  19. 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
  20. Varlamis, I., Apostolakis., I. (2006). The Present and Future of Standards for E-Learning Technologies. Interdisciplinary Journal of Knowledge and Learning Objects, 2. pdf
  21. 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
  22. Varlamis, I., Apostolakis., I. (2005). Monitoring evolution in Healthcare domain. Journal for Quality of Life Research, 3(2). Impact Factor 2.43. pdf
  23. 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
  24. 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
  25. 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. I. Kontopoulos, G. Giannakopoulos, I. Varlamis, "Distributing N-Gram Graphs for Classification", to appear in the 21st European Conference on Advances in Databases and Information Systems (ADBIS 2017), September 2017, Nicosia, Cyprus.
  2. L. Tsekouras, I. Varlamis, G. Giannakopoulos, "A graph-based text similarity measure that employs named entity information", to appear in the 11th biennial Conference on Recent Advances in Natural Language Processing (RANLP 2017), September 2017, Varna, Bulgaria.
  3. 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.
  4. A. Makris, D. Michail, I. Varlamis, C. Dimitropoulos, K. Tserpes, G. Tsatsaronis, J. Haupt, M. Sawyer, "Parallelization of large-scale Drug-Protein binding experiments", to appear in 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.
  5. T. Sanida, I. Varlamis, " Application of affinity analysis techniques on diagnosis and prescription data", to appear in the 30th IEEE International Symposium on Computer Based Medical Systems (IEEE CBMS 2017), June 2017, Thessaloniki, Greece.
  6. 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
  7. C. Sardianos, I. Varlamis, M., Eirinaki., " Scaling Collaborative Filtering to large–scale Bipartite Rating Graphs using Lenskit and Spark", to appear in the 3rd IEEE International Conference on Big Data Computing Service and Application" (IEEE BigDataService 2017), April 2017, San Francisco Bay, USA.pdf ppt
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. G. Tsatsaronis, I. Varlamis, N. Kanhabua and K. Nørvåg, "Temporal Classifiers for Predicting the Expansion of Medical Subject Headings", to appear in CICLing'2013, Samos, Greece, March 2013. (26% acceptance rate).pdf ppt
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. 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. M. Bertsima, I. Varlamis, P. Rizomiliotis, "Strengthening Privacy in Healthcare Social Networks". In "Medical Data Privacy Handbook", A. Gkoulalas-Divanis, G. Loukides, editors. Springer International Publishing. December 2015.pdf
  2. I. Varlamis, M. Eirinaki, M. Louta, "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
  3. A. Giannakoulopoulos, I. Varlamis, S. Kouloglou, "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
  4. A. Chryssanthou, I. Varlamis, and C. Latsiou, "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
  5. I. Apostolakis, P. Valsamos, I. Varlamis, "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
  6. I. Varlamis, I. Apostolakis, "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
  7. M. Louta, I. Varlamis, "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
  8. I. Varlamis, I. Apostolakis, "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
  9. I. Varlamis, I. Apostolakis, A. Chryssanthou, "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
  10. I. Apostolakis, P. Valsamos, I. Varlamis, "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
  11. P. Giannakoulopoulos, I. Varlamis, "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. 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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