Publications: Conference papers
  1. K. Zamani, G. Paliouras and D. Vogiatzis, "Similarity-based User Identification across Social Networks," Proceedings of the 3rd International Workshop on Similarity-Based Pattern Analysis and Recognition (SIMBAD), pp. 171-185, Copenhagen, Denmark, October 12-14, 2015. (abstract) (pdf)

  2. A. Penas, C. Unger, G. Paliouras and I. Kakadiaris, "Overview of the CLEF Question Answering Track 2015," Proceedings of the 6th Conference and Labs of the Evaluation Forum. Experimental IR meets Multilinguality, Multimodality, and Interaction(CLEF), pp.539-544, Toulouse, France, September 8-11, 2015. (abstract) (pdf)

  3. N. Katzouris, A. Artikis and G. Paliouras, "Semi-Supervised Learning of Event Calculus Theories," Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases(ECML PKDD), Porto, Portugal, September 7, 2015. (abstract) (pdf)

  4. D. Karna, G. Diakidis, D. Fassarakis-Hilliard, D. Vogiatzis and G. Paliouras, "Predicting the Evolution of Communities in Social Networks ," Proceedings of the 5th International Conference on Web Intelligence, Mining and Semantics (WIMS), 1:1-1:6, Limassol, Cyprus, July 13-14, 2015. (abstract) (pdf)

  5. G. Katsios, S. Vakulenko, A. Krithara and G. Paliouras, "Towards Open Domain Event Extraction from Twitter: REVEALing Entity Relations," Proceedings of the 4th International Workshop on Detection, Representation, and Exploitation of Events in the Semantic Web (DeRiVE), co-located with the 12th Extended Semantic Web Conference (ESWC), pp. 35-46, Portoroz, Slovenia, May 31-June 4, 2015. (abstract) (pdf)

  6. G. Katsimpras, D. Vogiatzis and G. Paliouras, "Determining Influential Users with Supervised Random Walks," Proceedings of the 6th International Workshop on Modeling Social Media (MSM) in the context of the 24th International World Wide Web Conference (WWW) , pp. 787-792, Florence, Italy, May 18-22, 2015. (abstract) (pdf)

  7. E. Alevizos, A. Skarlatidis, A. Artikis and G. Paliouras, "Complex Event Processing Under Uncertainty," Proceedings of the 18th International Conference on Extending Database Technology and the 18th International Conference on Database Theory (EDBT/ICDT Workshops), pp. 97-103, Brussels, Belgium, March 23-27, 2015. (abstract) (pdf)

  8. G. Balikas, I. Partalas, A.- C. Ngonga Ngomo, A. Krithara and G. Paliouras, "Results of the BioASQ Track of the Question Answering Lab," Proceedings of the Conference and Labs of the Evaluation Forum. Information Access Evaluation meets Multilinguality, Multimodality and Interaction (CLEF), pp. 1181-1193, Sheffield, UK, September 15-18, 2014. (abstract) (pdf)

  9. A. Kosmopoulos, G. Paliouras and I. Androutsopoulos, "The Effect of Dimensionality Reduction on Large Scale Hierarchical Classification," Proceedings of the Conference and Labs of the Evaluation Forum. Information Access Evaluation meets Multilinguality, Multimodality and Interaction (CLEF), pp. 160-171, Sheffield, UK, September 15-18, 2014. (abstract) (pdf)

  10. A. Karavolia, D. Vogiatzis, B. Truong, A. Tapia, C. Caragea, A. Squicciarini and G. Paliouras, "Tweet type, Location & Popularity: Case Study Hurricane Sandy," Proceedings of the 1st KDD Workshop on Learning about Emergencies from Social Information at 20th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), New York City, USA, August 24, 2014. (abstract) (pdf)

  11. D. Polychronopoulos, A. Krithara, C. Nikolaou, G. Paliouras, Y. Almirantis and G. Giannakopoulos, "Analysis and Classification of Constrained DNA Elements with N-gram Graphs and Genomic Signatures," Proceedings of the 1st International Conference on Algorithms for Computational Biology (AlCoB), pp. 220-234, Tarragona, Spain, July 1-3, 2014. (abstract) (pdf)

  12. K. Georgala, A. Kosmopoulos and G. Paliouras, "Spam Filtering: an Active Learning Approach using Incremental Clustering," Proceedings of the 4th International Conference on Web Intelligence, Mining and Semantics (WIMS), 23:1-23:12, Thessaloniki, Greece, June 2-4, 2014. (abstract) (pdf)

  13. N. Katzouris, A. Artikis and G. Paliouras, "Event Recognition for Unobtrusive Assisted Living," Proceedings of the 8th Hellenic Conference on Artificial Intelligence (SETN), pp. 475-488, Ioannina, Greece, May 15-18, 2014. (abstract) (pdf)

  14. G. Giannoulis, A. Krithara, C. Karatsalos and G. Paliouras, "Splice Site Recognition using Transfer Learning," Proceedings of the 8th Hellenic Conference on Artificial Intelligence(SETN), pp. 341-353, Ioannina, Greece, May 15-17, 2014. (abstract) (pdf)

  15. I. Partalas, M.-R. Amini, I. Androutsopoulos, T. Artieres, P. Gallinari, E. Gaussier and G. Paliouras, "Web-scale classification: web classification in the big data era," Proceedings of the 7th ACM International Conference on Web Search and Data Mining (WSDM), pp. 687-688, New York City, USA, February 24-28, 2014. (abstract) (pdf)

  16. A. Krithara and G. Paliouras, "TL-PLSA: Transfer learning between domains with different classes," Proceedings of the IEEE International Conference on Data Mining (ICDM), pp. 419-427, Dallas, Texas, USA, December 7-10, 2013. (abstract) (pdf)

  17. N. Katzouris, A. Artikis, F. Makedon, V. Karkaletsis and G. Paliouras, "Event recognition for assisted independent living," Proceedings of the 6th International Conference on PErvasive Technologies Related to Assistive Environments (PETRA), 26:1-26:5, Rhodes, Greece, May 29-31, 2013. (abstract) (pdf)

  18. J. Pottebaum, A. Artikis, R. Marterer and G. Paliouras, "User-Oriented Evaluation of Event-Based Decision Support Systems," In Proceedings of the 24th IEEE International Conference on Tools with Artificial (ICTAI), Piraeus, Greece, November 7-9, 2012. (abstract) (pdf)

  19. G. Tsatsaronis, M. Schroeder, G. Paliouras, Y. Almirantis, I. Androutsopoulos, E. Gaussier, P. Gallinari, T. Artieres, M. R. Alvers, M. Zschunke and A.-C. Ngonga Ngomo, "BioASQ: A Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering," In Proceedings of the AAAI Fall Symposium on Information Retrieval and Knowledge Discovery in Biomedical Text (IRKD), pp. 92-98, Arlington, Virginia, USA, November 2-5, 2012. (abstract) (pdf)

  20. D. Pierrakos, G. Paliouras and Y. Ioannidis, "OurDMOZ: A System for Personalizing the Web," In Proceedings of the 6th International Workshop on Personalized Access, Profile Management, and Context Awareness in Databases (PersDB) at the 38th International Conference on Very Large Databases (VLDB), Istanbul, Turkey, August 31, 2012. (abstract) (pdf)

  21. A. Artikis, R. Marterer, J. Pottebaum and G. Paliouras, "Event Processing for Intelligent Resource Management," In Proceedings of the 20th European Conference on Artificial Intelligence (ECAI), pp. 943-948, Montpellier, France, August 29-30, 2012. (abstract) (pdf)

  22. A. Artikis, M. Sergot and G. Paliouras, "Run-time composite event recognition," In Proceedings of the 6th ACM International Conference on Distributed Event-Based Systems (DEBS), pp. 69-80, Berlin, Germany, July 16-20, 2012. (abstract) (pdf)

  23. G. Giannakopoulos, P. Mavridi, G. Paliouras, G. Papadakis and K. Tserpes, "Representation Models for Text Classification: a comparative analysis over three Web document types," In Proceedings of the 2nd International Conference on Web Intelligence, Mining and Semantics (WIMS), Craiova, Romania, June 13-15, 2012. (abstract) (pdf)

  24. E. Zavitsanos, G. Vouros and G. Paliouras, "Identifying User Interests in Folksonomies," Poster in the proceedings of the 10th International Semantic Web Conference (ISWC), Bonn, Germany, October 23-27, 2011. (abstract) (pdf)

  25. E. Zavitsanos, G. Vouros and G. Paliouras, "Classifying Users and Identifying User Interests in Folksonomies," In Proceedings of the 2nd Workshop on Semantic Personalized Information Management: Retrieval and Recommendation (SPIM) at the 10th International Semantic Web Conference (ISWC), pp. 66-77, Bonn, Germany, October 23-27, 2011. (abstract) (pdf)

  26. >D. Polychronopoulos, G. Giannakopoulos, C. Nikolaou, G. Paliouras and Y. Almirantis, "Analyzing the DNA composition of ultraconserved sequences with N-gram Graphs," In Proceedings of the 6th Conference of the Hellenic Society for Computational Biology & Bioinformatics (HSCBB), Patras, Greece, October 7-9, 2011. (abstract) (pdf)

  27. N. Eggonopoulos, A.Lazaridou, G. Paliouras and K. Chandrinos, "ELS: A Word-Level Method for Entity-Level Sentiment Analysis," In Proceedings of the International Conference on Web Intelligence, Mining and Semantics (WIMS), Sogndal, Norway, May 25 - 27, 2011. (abstract) (pdf)

  28. P. Karampiperis, G. Mouchakis, G. Paliouras, and V. Karkaletsis, "ER Designer Toolkit: A Graphical Event Definition Authoring Tool," In Proceedings the 4th International Conference on PErvasive Technologies Related to Assistive Environments (PETRA), Crete, Greece, May 25-27, 2011. (abstract) (pdf)

  29. J. Pottebaum, A. Artikis, R. Marterer, G. Paliouras and R. Koch, "Event definition for the application of event processing to intelligent resource management," In Proceedings of the 8th International Conference on Information Systems for Crisis Response and Management (ISCRAM), Lisbon, Portugal, May 8-11, 2011. (abstract) (pdf)

  30. A. Skarlatidis, G. Paliouras, G. Vouros and A. Artikis, "Probabilistic Event Calculus based on Markov Logic Networks," In Proceedings of the 5th International Symposium on Rules: Research Based and Industry Focused (RuleML), Fort Lauderdale, Florida, USA, November 3-5, Lecture Notes in Computer Science, n. 7018, pp. 155-170, Springer Verlag, 2011. (abstract) (pdf)

  31. S. Petridis, G. Paliouras and S. Perantonis, "Allen’s hourglass: probabilistic treatment of interval relations," In Proceedings of the 17th International Symposium on Temporal Representation and Reasoning (TIME), pp. 87-94, Paris, France, September, 2010. (abstract) (pdf)

  32. A. Artikis, G. Paliouras, F. Portet and A. Skarlatidis, "Logic-Based Representation, Reasoning and Machine Learning for Event Recognition," In Proceedings of the 4th ACM International Conference on Distributed Event-Based Systems (DEBS), pp. 282-293, Cambridge, UK, July, 2010. (abstract) (pdf)

  33. S. Petridis, K. Papantoniou, T. Giannakopoulos, G. Paliouras, M. Koutsokeras, I. Zavitsanos, G. Tsatsaronis, G. Akrivas, B. Gatos, K. Ntirogiannis and S. Perantonis, "Joint analysis of audio and text data in CASAM," In Proceedings of the 5th International Conference on Semantic and Digital Media Technologies (SAMT), Koblenz, Germany, December 2010. (abstract) (pdf)

  34. A. Artikis, M. Sergot and G. Paliouras, "A logic programming approach to activity recognition," In Proceedings of the 2nd ACM International Workshop on Events in Multimedia (EiMM) at the ACM Multimedia Conference, pp. 3-8, Firenze, Italy, October 25-29, 2010. (abstract) (pdf)

  35. M. Dima, D. Vogiatzis, G. Paliouras and P. Stamatopoulos, "Expert Based Prediction of User Preferences," In Proceedings of the 5th International Workshop on Semantic Media Adaptation and Personalization (SMAP), pp. 112-117, Limassol, Cyprus, December 9-10, 2010. (abstract) (pdf)

  36. K. Papantoniou, G. Tsatsaronis and G. Paliouras, "KDTA: Automated Knowledge-Driven Text Annotation," Demo paper in Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), Barcelona, Spain, September, Lecture Notes in Artificial Intelligence, n. 6323, pp. 611-614, Springer Verlag, 2010. (abstract) (pdf)

  37. E. Zavitsanos, G. Tsatsaronis, I. Varlamis and G. Paliouras, "Scalable Semantic Annotation of Text Using Lexical and Web Resources," In Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Athens, Greece, May, Lecture Notes in Artificial Intelligence, n. 6040, pp. 287-296, Springer Verlag, 2010. (abstract) (pdf)

  38. A. Kosmopoulos, E. Gaussier, G. Paliouras and S. Aseervatham, "The Large Scale Hierarchical Text Classification PASCAL Challenge," In Proceedings of the Large-Scale Hierarchical Classification Workshop (LSHC) at the 32nd European Conference on Information Retrieval (ECIR), Milton Keynes, UK, March, 2010. Appeared also as a Workshop report at the ACM SIGIR Forum, v. 44, n. 1, pp 23-32, 2010. (abstract) (pdf)

  39. A. Artikis and G. Paliouras, "Behaviour Recognition using the Event Calculus," In Proceedings of the 5th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI), Thessaloniki, Greece, April, pp. 469-478, Springer Verlag, 2009. (abstract) (pdf)

  40. G. Petasis, A. Krithara, V. Karkaletsis, G. Paliouras and C.D. Spyropoulos, "Semi-automated ontology learning: the BOEMIE approach," In Proceedings of the Workshop on Inductive Reasoning and Machine Learning on the Semantic Web (IRMLeS) at the European Semantic Web Conference (ESWC), Heraklion, Greece, June 2009. (abstract) (pdf)

  41. E. Zavitsanos, S. Petridis, G. Paliouras and G. Vouros, "Learning Ontologies of Appropriate Size," In Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Syros, Greece, October, Lecture Notes in Artificial Intelligence, n. 5138, pp. 327-338, Springer Verlag, 2008. (abstract) (pdf)

  42. G. Papadakis and G. Paliouras, "MyCites: An Intelligent Information System for Maintaining Citations," In Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Syros, Greece, October, Lecture Notes in Artificial Intelligence, Springer Verlag, n. 5138, pp. 371-376, 2008. (abstract) (pdf)

  43. G. Petasis, V. Karkaletsis, G. Paliouras and C.D. Spyropoulos, "Learning context-free grammars to extract relations from text," In Proceedings of the the European Conference on Artificial Intelligence (ECAI) , IOS Press, pp. 303-307, Patras, Greece, July 2008. (abstract) (pdf)

  44. E. Zavitsanos, G. Paliouras, G. Vouros and S. Petridis, "Determining Automatically the Size of Learned Ontologies," In Proceedings of the the European Conference on Artificial Intelligence (ECAI) , IOS Press, pp. 775-776, Patras, Greece, July 2008. (abstract) (pdf)

  45. I. Partalas, G. Paliouras and I. Vlahavas, "Reinforcement Learning with Classifier Selection for Focused Crawling," In Proceedings of the the European Conference on Artificial Intelligence (ECAI) , IOS Press, pp. 759-760, Patras, Greece, July 2008. (abstract) (pdf)

  46. E. Zavitsanos, G. Paliouras and G. Vouros, "A Distributional Approach to Evaluating Ontology Learning Methods Using a Gold Standard," In Proceedings of the 3 rd Workshop on Ontology Learning and Population (OLP3) at the European Conference on Artificial Intelligence (ECAI), Patras, Greece, July 2008. (abstract) (pdf)

  47. S. Konstantopoulos, G. Paliouras, J. Schon, D. Schneider, T. Winkler, J. Pottebaum and R. Koch, "Ontology-based Rescue Operation Management," In Proceedings of the International Symposium on Mobile Information Technology for Emergency Response (MobRes) , Bonn, Germany, May, Lecture Notes in Computer Science, Springer Verlag, n. 5424, pp. 112-121, 2008. (abstract) (pdf)

  48. E. Zavitsanos, G. Paliouras, G. Vouros and S. Petridis, "Discovering Subsumption Hierarchies of Ontology Concepts from Text Corpora," In Proceedings of the IEEE/WIC/ACM International Conference on Web Intelligence (WI) , pp. 402-408, IEEE Press, 2007. (abstract) (pdf)

  49. C. Christophi, D. Zeinalipour-Yazti, M. Dikaiakos and G. Paliouras, "Automatically Annotating the ODP Web Taxonomy," In Proceedings of the 11th Panhellenic Conference on Informatics (PCI), Current Trends in Informatics , v.1, pp. 397-408, New Technologies Publications , 2007. (abstract) (pdf)

  50. J. Pottebaum, S. Konstantopoulos, R. Koch, and G. Paliouras, "SaR Resource Management based on Description Logics," In Proceedings of the International Workshop on Mobile Information Technology for Emergency Response (MobRes) , Lecture Notes in Computer Science, n. 4458, pp. 61-70, Springer Verlag, 2007. (abstract) (pdf)

  51. D. Kosmopoulos, S. Petridis, I. Pratikakis, V. Gatos, S. Perantonis, V. Karkaletsis and G. Paliouras, "Knowledge Acquisition from Multimedia Content using an Evolution Framework," In Proceedings of the IFIP Conference on Artificial Intelligence Applications and Innovations (AIAI), IFIP International Federation for Information Processing Series, n. 204, pp. 557-565, Springer Boston, 2006. (abstract) (pdf)

  52. N. Trogkanis and G. Paliouras, "TPN2: Using positive-only learning to deal with the heterogeneity of labeled and unlabeled data", In Proceedings of the Discovery Challenge at the Joint European Conference on Machine Learning and on Principles and Practices of Knowledge Discovery in Databases (ECML/PKDD), Berlin, Germany, September, 2006.  (abstract) (pdf)

  53. V. Metsis, I. Androutsopoulos and G. Paliouras, "Spam Filtering with Naive Bayes - Which Naive Bayes?" In Proceedings of the third Conference on Email and Anti-Spam (CEAS), Mountain View, CA, USA, 2006. (abstract) (pdf)

  54. E. Dellis and G. Paliouras, "Management of Large Spatial Ontology Bases," In Proceedings of the Workshop on Ontologies-based techniques for DataBases and Information Systems (ODBIS) at the 32nd International Conference on Very Large Data Bases (VLDB), Seoul, Korea, September, 2006. (abstract) (pdf)

  55. G. Paliouras, A. Mouzakidis, C. Ntoutsis, A. Alexopoulos and C. Skourlas, "PNS: Personalized Multi-Source News Delivery," In Proceedings of the 10th International Conference on Knowledge-Based & Intelligent Information & Engineering Systems (KES), Bournemouth, UK, October 2006. (abstract) (pdf)

  56. S. Konstantopoulos, G. Paliouras and S. Chatzinotas, "SHARE-ODS: An Ontology Data Service for Search and Rescue Operations," In Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Lecture Notes in Artificial Intelligence, n. 3955, pp. 525-528, Springer Verlag, 2006. (abstract) (pdf)

  57. C. D. Spyropoulos, G. Paliouras, V. Karkaletsis, D. Kosmopoulos, I. Pratikakis, S. Perantonis and B. Gatos, "BOEMIE: Bootstrapping Ontology Evolution with Multimedia Information Extraction", In Proceedings of the 2nd European Workshop on Integration of Knowledge, Semantic and Digital Media Technologies, London, UK, November 2005, Also in Proceedings of the International Workshop for Intelligent Information Access (IIIA), Helsinki, Finland, July 2006. (abstract) (pdf)

  58. L. Vande Velde, S. Chatzinotas, M. Larson, J. Löffler and G. Paliouras, "Interactive 2D - 3D digital maps for the support of emergency teams during rescue operations,", In Proceedings of the 12th World Congress on Intelligent Transport Systems, San Francisco, November, 2005. (abstract) (pdf)

  59. V. Karkaletsis, G. Paliouras and C. D. Spyropoulos, "A Bootstrapping Approach to Knowledge Acquisition from Multimedia Content with Ontology Evolution," In Proceedings of the International and Interdisciplinary Conference on Adaptive Knowledge Representation and Reasoning (AKRR), pp. 98-105, Helsinki University of Technology, Finland, June 2005. (abstract) (pdf)

  60. G. Paliouras, "On the Need to Bootstrap Ontology Learning with Extraction Grammar Learning," In Proceedings of the International Conference on Conceptual Structures (ICCS), Kassel, Germany, July, Lecture Notes in Artificial Intelligence, n. 3596, pp. 119-135, Springer Verlag, 2005. (abstract) (pdf)

  61. D. Pierrakos and G. Paliouras, "Exploiting Probabilistic Latent Information for the Construction of Community Web Directories," In Proceedings of the International User Modelling Conference (UM), Edinburgh, UK, July, Lecture Notes in Artificial Intelligence, n. 3538, pp. 89-98, Springer Verlag, 2005. (abstract) (pdf)

  62. D. Pierrakos, G. Paliouras, C. Papatheodorou, V. Karkaletsis and M. Dikaiakos, "Web Community Directories: A New Approach to Web Personalization," In Berendt et al. (Eds.), "Web Mining: From Web to Semantic Web", Lecture Notes in Computer Science, n. 3209, pp. 113 - 129, Springer Verlag, 2004. (abstract) (pdf)

  63. G. Sigletos, G. Paliouras, C. D. Spyropoulos and P. Stamatopoulos, "Stacked generalization for information extraction," In Proceedings of the European Conference in Artificial Intelligence (ECAI), pp. 549 - 553, Valencia, Spain, IOS Press, 2004. (abstract) (pdf)

  64. A. Valarakos, G. Paliouras, V. Karkaletsis and G. Vouros, "Enhancing the Ontological Knowledge through Ontology Population and Enrichment," In Proceedings of the International Conference on Knowledge Engineering and Knowledge Management (EKAW), Lecture Notes in Artificial Intelligence, n. 3257, pp. 144-156, Springer Verlag, 2004. (abstract) (pdf)

  65. E. Michelakis, I. Androutsopoulos, G. Paliouras, G. Sakkis and P. Stamatopoulos, "Filtron: A Learning-Based Anti-Spam Filter," In Proceedings of the first Conference on Email and Anti-Spam (CEAS), Mountain View, CA, USA, 2004. (abstract) (pdf)

  66. N. Karampatziakis, G. Paliouras, D. Pierrakos and P. Stamatopoulos, "Navigation pattern discovery using grammatical inference," In Proceedings of the 7th International Colloquium on Grammatical Inference (ICGI), Lecture Notes in Artificial Intelligence, n. 3264, pp. 187 - 198, Springer Verlag, 2004.  (abstract) (pdf)

  67. G. Petasis, G. Paliouras, C. D. Spyropoulos and C. Halatsis, "eg-GRIDS: Context-Free Grammatical Inference from Positive Examples using Genetic Search," In Proceedings of the 7th International Colloquium on Grammatical Inference (ICGI), Lecture Notes in Artificial Intelligence, n. 3264, pp. 223 - 234, Springer Verlag, 2004.(abstract) (pdf)

  68. A. Valarakos, G. Paliouras, V. Karkaletsis and G. Vouros, "A Name-Matching Algorithm for Supporting Ontology Enrichment," In Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Lecture Notes in Artificial Intelligence, n. 3025, pp. 381-389, Springer Verlag, 2004. (abstract) (pdf)

  69. A. Grigoriadis and G. Paliouras, "Focused Crawling using Temporal Difference-Learning," In Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Lecture Notes in Artificial Intelligence, n. 3025, pp. 142-153, Springer Verlag, 2004. (abstract) (pdf)

  70. G. Sigletos, G. Paliouras, C. D. Spyropoulos and M. Hatzopoulos. "Mining Web sites using wrapper induction, named entities and post-processing", Proceedings of the 1st European Web Mining Forum Workshop, Joint European Conference on Machine Learning andon Principles and Practices of Knowledge Discovery in Databases (ECML/PKDD) , Cavtat-Dubrovnik, Croatia, 2003. (abstract) (pdf)

  71. G. Sigletos, G. Paliouras, C. D. Spyropoulos and P. Stamatopoulos. "Meta-learning beyond classification: A framework for information extraction from the Web", Proceedings of the on Adaptive Text Extraction and Mining Workshop, Joint European Conference on Machine Learning andon Principles and Practices of Knowledge Discovery in Databases (ECML/PKDD) , Cavtat-Dubrovnik, Croatia, 2003. (abstract) (pdf)

  72. D. Pierrakos, G. Paliouras, C. Papatheodorou, V. Karkaletsis and M. Dikaiakos. "Construction of Web Community Directories using Document Clustering and Web Usage Mining", Proceedings of the 1st European Web Mining Forum Workshop, Joint European Conference on Machine Learning andon Principles and Practices of Knowledge Discovery in Databases (ECML/PKDD) , Cavtat-Dubrovnik, Croatia, 2003. (abstract) (pdf)

  73. A. Valarakos, G. Sigletos, V. Karkaletsis and G. Paliouras. "A Methodology for Semantically Annotating a Corpus Using a Domain Ontology and Machine Learning", Proceedings of the the Recent Advances in Natural Language Processing International Conference (RANLP) , Borovets, Bulgaria, 2003. (abstract) (pdf)

  74. A. Valarakos, G. Sigletos, V. Karkaletsis, G. Paliouras and G. Vouros. "A Methodology for Enriching a Multi-Lingual Domain Ontology using Machine Learning", Proceedings of the Workshop on Text Processing for Modern Greek: from Symbolic to Statistical Approaches, 6th International Conference in Greek Linguistics , Rethymno, Crete, 2003. (abstract) (pdf)

  75. K. Stamatakis, V. Karkaletsis, G. Paliouras, J. Horlock, C. Grover, J. R. Curran and S. Dingare. "Domain-Specific Web Site Identification: The CROSSMARC Focused Web Crawler" Proceedings of the Second International Workshop on Web Document Analysis (WDA) , Edinburgh, UK, 2003. (abstract) (pdf)

  76. G. Sigletos, D. Farmakiotou, K. Stamatakis, G. Paliouras and V. Karkaletsis. "Annotating Web pages for the needs of Web Information Extraction applications", Poster in the proceedings of the 12th Internatonal World Wide Web Conference (WWW) , Budapest, Hungary, 2003. (abstract) (pdf)

  77. D. Pierrakos, G. Paliouras, C. Papatheodorou, V. Karkaletsis and M. Dikaiakos. "Construction of Web Community Directories by Mining Usage Data", Proceedings of the Hellenic Data Management Symposium (HDMS) , Athens, Greece, 2003. (abstract) (pdf)

  78. G. Petasis, V. Karkaletsis, G. Paliouras and C. D. Spyropoulos. "Using the Ellogon Natural Language Engineering Infrastructure", Proceedings of the Workshop on Balkan Language Resources and Tools at the 1st Balkan Conference on Informatics (BCI), Thessaloniki, Greece, 2003. (abstract) (pdf)

  79. G. Petasis, V. Karkaletsis, G. Paliouras, I. Androutsopoulos and C. D. Spyropoulos, "Ellogon: A New Text Engineering Platform,". Proceedings of the International Conference on Language Resources and Evaluation (LREC), vol. I, pp. 72-78, Las Palmas, Spain, May, 2002. (abstract) (pdf)

  80. G. Sigletos, G. Paliouras and V. Karkaletsis, "Role Identification From Free Text Using Hidden Markov Models,". Proceedings of the Panhellenic Conference in Artificial Intelligence (SETN), Lecture Notes in Artificial Intelligence, n. 2308, Springer Verlag, pp. 167-178, 2002. (abstract) (pdf)

  81. K. Koutroumbas, G. Paliouras, V. Karkaletsis and C.D. Spyropoulos, "Comparison of Computational Learning Methods on a Diagnostic Cytological Application,". Proceedings of the European Symposium on Intelligent Technologies, Hybrid Systems and their implementation on Smart Adaptive Systems (EUNITE), pp. 500-508, Tenerife, Spain, 2001. (abstract) (pdf)

  82. A. Grigoriadis, G. Paliouras, V. Karkaletsis and C.D. Spyropoulos, "Identifying Word Senses in Greek Text: A comparison of machine learning methods,". Proceedings of the European Workshop on Intelligent Forecasting, Diagnosis and Control (IFDICON), pp. 107-113, Santorini, Greece, 2001. (abstract) (pdf)

  83. D. Pierrakos, G. Paliouras, C. Papatheodorou and C.D. Spyropoulos, "KOINOTITES: A Web Usage Mining Tool for Personalization,". Proceedings of the Panhellenic Conference on Human Computer Interaction (PC-HCI), pp. 231-236, Patras, 2001. (abstract) (pdf)

  84. G. Petasis, F. Vichot, F. Wolinski, G. Paliouras, V. Karkaletsis, and C.D. Spyropoulos, "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems,". Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL), pp. 426-433, Toulouse, 2001. (abstract) (pdf)

  85. G. Sakkis, I. Androutsopoulos, G. Paliouras, V. Karkaletsis, C.D. Spyropoulos and P. Stamatopoulos, "Stacking classifiers for anti-spam filtering of e-mail,". Proceedings of the International Conference on Empirical Methods in Natural Language Processing (EMNLP), pp. 44-50, Carnegie Mellon University, 2001. (abstract) (pdf)

  86. G. Petasis, A. Cucchiarelli, P. Velardi, G. Paliouras, V. Karkaletsis, and C.D. Spyropoulos, "Automatic adaptation of proper noun dictionaries through co-operation of machine learning and probabilistic methods". Proceedings of the 23rd ACM SIGIR Conference on R&D in IR (SIGIR), pp. 128-135, Athens, Greece, 2000. (abstract) (pdf)

  87. G. Paliouras, C. Papatheodorou, V. Karkaletsis and C.D. Spyropoulos, "Clustering the Users of Large Web Sites into Communities," Proceedings of the International Conference on Machine Learning (ICML), pp. 719-726, Stanford, California, 2000. (abstract) (pdf)

  88. K.V. Chandrinos, I. Androutsopoulos, G. Paliouras and C.D. Spyropoulos, "Automatic Web Rating: Filtering Obscene Content on the Web". Proceedings of the 4th European Conference on Research and Advanced Technology for Digital Libraries (ECDL), Lisbon, Portugal, Lecture Notes in Computer Science, n. 1923, pp. 403-406, Springer-Verlag, 2000.

  89. G. Paliouras, V. Karkaletsis, and C.D. Spyropoulos, "Learning Decision Trees for Named-Entity Recognition and Classification", Proceedings of the Workshop "Machine Learning for Information Extraction", European Conference in Artificial Intelligence, Berlin, Germany, 2000. (abstract) (pdf)

  90. G. Petasis, S. Petridis, G. Paliouras, V. Karkaletsis, S. Perantonis, and C.D. Spyropoulos, "Symbolic and Neural Learning for Named-Entity Recognition". Proceedings  of the Symposium on Computational Intelligence and Learning (COIL), pp. 58-66, Chios, Greece, 2000. (abstract) (pdf)

  91. I. Androutsopoulos, G. Paliouras, V. Karkaletsis, G. Sakkis, C.D. Spyropoulos and P. Stamatopoulos. "Learning to Filter Spam E-Mail: A Comparison of a Naive Bayesian and a Memory-Based Approach". Proceedings of the Workshop "Machine Learning and Textual Information Access", European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD), pp. 1-13, Lyon, France, 2000. (abstract) (pdf)

  92. G. Paliouras, V. Karkaletsis, I. Androutsopoulos, and C.D. Spyropoulos, "Learning Rules for Large-Vocabulary Word Sense Disambiguation: A Comparison of Various Classifiers". Proceedings of the 2nd International Conference on Natural Language Processing (NLP), Patra, Greece. Lecture Notes in Artificial Intelligence, 1835, pp. 383-394, Springer, 2000. (abstract) (pdf)

  93. I. Androutsopoulos, J. Koutsias, K.V. Chandrinos, G. Paliouras, and C.D. Spyropoulos, "An Evaluation of Naive Bayesian Anti-Spam Filtering". Proceedings of the Workshop on Machine Learning in the New Information Age, 11th European Conference on Machine Learning (ECML), pp. 9-17, Barcelona, Spain, 2000. (abstract) (pdf)

  94. G. Paliouras, C. Papatheodorou, V. Karkaletsis, P.Tzitziras and C.D. Spyropoulos, "Large-Scale Mining of Usage Data on Web Sites," AAAI Spring Symposium on Adaptive User Interfaces, Stanford, California, 2000. (abstract) (pdf)

  95. G. Paliouras, C. Papatheodorou, V. Karkaletsis, C.D. Spyropoulos and P.Tzitziras, "From Web Usage Statistics to Web Usage Analysis," Proceedings of the IEEE International Conference on Systems Man and Cybernetics, v. II, pp. 159-164, 1999. (abstract) (pdf)

  96. G. Paliouras, V. Karkaletsis and C.D. Spyropoulos, "Learning Rules for Large Vocabulary Word Sense Disambiguation," Proceedings of the International Joint Conference on Artificial Intelligence (IJCAI '99), v. 2, pp. 674-679, 1999. (abstract) (pdf)

  97. G. Paliouras, V. Karkaletsis, C. Papatheodorou and C.D. Spyropoulos, "Exploiting Learning Techniques for the Acquisition of User Stereotypes and Communities," Proceedings of the International Conference on User Modeling (UM), CISM Courses and Lectures, n. 407, pp. 169-178, Springer-Verlag, 1999. (abstract)  (postscript ) (pdf)

  98. G. Petasis, G. Paliouras, V. Karkaletsis, C.D. Spyropoulos and I. Androutsopoulos,  "Using Machine Learning Techniques for Part-of-Speech Tagging in the Greek Language", Proceedings of the 7th Hellenic Conference on Informatics, Ioannina, Greece, 1999. (abstract)  (pdf)

  99. G. Paliouras, C. Papatheodorou, V. Karkaletsis, C.D. Spyropoulos and V. Malaveta, "Learning User Communities for Improving the Services of Information Providers," European Conference on Research and Advanced Technology for Digital Libraries  (ECDL), Lecture Notes in Computer Science, n. 1513, pp. 367-384, Springer-Verlag, 1998. (abstract)  (pdf)

  100. G. Paliouras, V. Karkaletsis and C.D. Spyropoulos, "Machine Learning for Domain-Adaptive Word Sense Disambiguation," Proceedings of the Workshop on Adapting Lexical and Corpus Resources to Sublanguages and Applications, International Conference on Language Resources and Evaluation, Granada, Spain, May 26, 1998. (abstract)  (pdf)

  101. G. Paliouras and D.S. Bree, "Adaptive Event Recognition with the use of Limited Training Data," In Recent Advances in Information Science and Technology, N.E. Mastorakis (ed.), pp. 225-232, World Scientific, 1998. (abstract) (pdf)

  102. S.M. Rudolfer, G. Paliouras and I. Peers, "Diagnostic Strategies for Carpal Tunnel Syndrome," Conference of the European Society for Medical Decision Making, Turin, Italy, 1996. (extended abstract)

  103. H.C. Jessen and G. Paliouras, "Predicting Labour Force Participation of Women with the use of Statistical and Learning Classification Techniques ," European Conference in Non-Linear Econometrics (EC2), Aarhus, Denmark, 1995. (Best poster award) (abstract)

  104. G. Paliouras and D.S. Bree, "The Effect of Numeric Features on the Scalability of Inductive Learning," Proceedings of the European Conference in Machine Learning, Lecture Notes for Artificial Intelligence, n. 912, pp. 218-231, Springer-Verlag, 1995. (abstract) (pdf)