• 321-3551: Computational Logic and Logic Programming

• 321-3602: Artificial Intelligence

• 321-10200: Information Retrieval

• Postgraduate: Machine Learning

• Postgraduate: Knowledge Representation - Semantic Web

• WIQ-EI (FP7-PEOPLE-2010-IRSES): Web Information Quality Evaluation Initiative

[ Google Scholar | DBLP | Mendeley | Academic Search | ResearcherID ]

• Special Issue on Plagiarism and Authorship Analysis
  Language Resources and Evaluation, 45(1), Springer, 2011 (Introduction) .

• 6th Int. Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN-12),
  held in conjunction with CLEF-12, 19-20 September, 2012, Rome.

• 5th Int. Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN-11),
  held in conjunction with CLEF-11, 20-21 September, 2011, Amsterdam.

• 4th Int. Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN-10),
  held in conjunction with CLEF-10, 20 September, 2010, Padua, Italy.
  Read workshop report at SIGIR Forum, 45(1), pp. 45-48, 2011.

• 3rd Int. Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN-09),
  held in conjunction with SEPLN-09, 10 September, 2009, San Sebastian, Spain.

• International Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN-08)
  held in conjunction with The 18th European Conference on Artificial Intelligence, 21-25 July 2008, Patras, Greece

• International Workshop on Plagiarism Analysis, Authorship Attribution, and Near-Duplicate Detection (PAN-07)
  held in conjunction with The 30th Annual International ACM SIGIR Conference, 23-27 July 2007, Amsterdam
  Read workshop report at SIGIR Forum, 41(2), pp. 68-71, December, 2007.

• Statistical Identification of Genre and Author in Unrestricted Modern Greek Text
  University of Patras (PDF in Greek)

• Stamatatos, E.
  On the Robustness of Authorship Attribution Based on Character n-gram Features
  Journal of Law and Policy, 21(2), pp. 421-439, Brooklyn Law School, 2013. (PDF)

• Stamatatos, E.
  Plagiarism Detection Using Stopword n-grams
  Journal of the American Society for Information Science and Technology, 62(12), pp. 2512-2527, Wiley, 2011. (DOI, PDF preprint)

• Kanaris, I. and E. Stamatatos
  Learning to Recognize Webpage Genres
  Information Processing and Management, 45(5), pp. 499-512, Elsevier, 2009. (DOI, PDF preprint)

• Stamatatos, E.
  A Survey of Modern Authorship Attribution Methods
  Journal of the American Society for Information Science and Technology, 60(3), pp. 538-556, 2009, Wiley. (DOI, PDF preprint)

• Stamatatos, E.
  Author Identification: Using Text Sampling to Handle the Class Imbalance Problem
  Information Processing and Management, 44(2), pp. 790-799, Elsevier, 2008. (DOI, PDF preprint)

• Frantzeskou, G., S. MacDonell, E. Stamatatos, and S. Gritzalis
  Examining the Significance of High-level Programming Features in Source Code Author Classification
  The Journal of Systems and Software, 81(3), pp.447-460, Elsevier, 2008. (DOI, PDF)

• Kanaris, I., K. Kanaris, I. Houvardas, and E. Stamatatos
  Words vs. Character N-grams for Anti-spam Filtering
  Int. Journal on Artificial Intelligence Tools, World Scientific, 16(6), pp. 1047-1067, 2007. (PDF)

• Frantzeskou, G., E. Stamatatos, S. Gritzalis, C.E. Chaski, and B.S. Howald
  Identifying Authorship by Byte-Level N-Grams: The Source Code Author Profile (SCAP) Method
  Int. Journal of Digital Evidence, 6(1), 2007. (PDF)

• Stamatatos, E.
  Authorship Attribution Based on Feature Set Subspacing Ensembles
  Int. Journal on Artificial Intelligence Tools, 15(5), pp. 823-838, World Scientific, 2006 (PDF)

• Stamatatos, E. and G. Widmer
  Automatic Identification of Music Performers with Learning Ensembles
  Artificial Intelligence, 165(1), pp. 37-56, Elsevier, 2005. (PDF)

• Stamatatos, E., N. Fakotakis, and G. Kokkinakis.
  Computer-Based Authorship Attribution without Lexical Measures
  Computers and the Humanities, 35(2), pp. 193-214, Kluwer, 2001. (PDF)

• Stamatatos, E., N. Fakotakis, and G. Kokkinakis.
  Automatic Text Categorization in Terms of Genre and Author
  Computational Linguistics, 26(4), pp. 461-485, MIT Press, 2000. (PDF)

• Michos, S., E. Stamatatos, and N. Fakotakis.
  Supporting Multilinguality in Library Automation Systems Using AI Tools
  Applied Artificial Intelligence, 13(7), pp. 679-704, Taylor & Francis, 1999. (PDF)

• D.A. Pritsos and E. Stamatatos
  Open-Set Classification for Automated Genre Identification
  In Proc. of the 35th European Conference on IR Research (ECIR-2013), Springer LNCS, 7814, pp. 207-217, 2013. (PDF)

• Pappas, N., G. Katsimpras, and E. Stamatatos
  Distinguishing the Popularity between Topics: A System for Up-to-Date Opinion Retrieval and Mining in the Web
  In Proc. of the 14th International Conference on Computational Linguistics and Intelligent Text Processing (CICLing-2013), Springer LNCS, 7817, pp. 197-209, 2013. (PDF)

• Sidorov, G., F. Velasquez, E. Stamatatos, A.F. Gelbukh, and L. Chanona-Hernández
  Syntactic Dependency-Based n-grams: More Evidence of Usefulness in Classification
  In Proc. of the 14th International Conference on Computational Linguistics and Intelligent Text Processing (CICLing-2013), Springer LNCS, 7817, pp. 13-24, 2013. (PDF)

• Sidorov, G., F. Velasquez, E.Stamatatos, A.F. Gelbukh, and L. Chanona-Hernández
  Syntactic Dependency-Based n-grams as Classification Features
  In Proc. of the 11th Mexican International Conference on Artificial Intelligence (MICAI-2012), Springer LNCS, 7630, pp. 1-11, 2013. (PDF)

• Chatzicharalampous, E., G. Frantzeskou, and E. Stamatatos
  Author Identification in Imbalanced Sets of Source Code Samples
  In Proc. of the IEEE 24th International Conference on Tools with Artificial Intelligence (ICTAI-2012), pp. 790-797, 2012. (PDF)

• Pappas, N., G. Katsimpras, and E. Stamatatos
  An Agent-Based Focused Crawling Framework for Topic- and Genre-Related Web Document Discovery
  In Proc. of the IEEE 24th International Conference on Tools with Artificial Intelligence (ICTAI-2012), pp. 508-515, 2012. (PDF)

• Pappas, N., G. Katsimpras, and E. Stamatatos
  Extracting Informative Textual Parts from Web Pages Containing User-generated Content
  In Proc. of the 12th International Conference on Knowledge Management and Knowledge Technologies (I-KNOW-12), Paper 4, 2012. (PDF)

• Stamatatos, E.
  Plagiarism Detection Based on Structural Information
  In Proc. of the 20th ACM Conference on Information and Knowledge Management (CIKM-11), pp. 1221-1230, 2011. (PDF)

• Kourtis, I and E. Stamatatos
  Author Identification Using Semi-supervised Learning
  In Proc. of the 5th Int. Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse (PAN-11), 2011. (PDF)

• Stamatatos, E.
  Intrinsic Plagiarism Detection Using Character n-gram Profiles
  In Proc. of the 3rd Int. Workshop on Uncovering Plagiarism, Authorship, and Social Software Misuse, 2009. (PDF)

• Stamatatos, E and K. Stergiou
  Learning How to Propagate Using Random Probing
  In Proc. of the 6th Int. Conf. on Integration of Artificial Intelligence and Operations Research techniques in Constraint Programming for Combinatorial Optimization Problems (CPAIOR’09), 2009. (PDF)

• Georgia Frantzeskou, Stephen MacDonell, and Efstathios Stamatatos
  Source Code Authorship Analysis for Supporting the Cybercrime Investigation Process
  Handbook of Research on Computational Forensics, Digital Crime, and Investigation: Methods and Solutions, IGI Global, 2009.

• Plakias, S. and E. Stamatatos
  Author Identification Using a Tensor Space Representation
  In Proc. of the 18th European Conference on Artificial Intelligence (ECAI'08), pp. 833-834, 2008 (PDF)

• Plakias, S. and E. Stamatatos
  Tensor Space Models for Authorship Identification
  In Proc. of the 5th Hellenic Conference on Artificial Intelligence (SETN'08), pp. 239-249, 2008 (PDF)

• Kanaris, I. and E. Stamatatos
  Webpage Genre Identification Using Variable-length Character n-grams
  In Proc. of the 19th IEEE Int. Conf. on Tools with Artificial Intelligence (ICTAI'07), 2007 (PDF)

• Stamatatos, E.
  Author Identification Using Imbalanced and Limited Training Texts
  In Proc. of the 4th International Workshop on Text-based Information Retrieval, 2007 (PDF)

• Houvardas, J. and E. Stamatatos
  N-gram Feature Selection for Authorship Identification
  In J. Euzenat, and J. Domingue (Eds.) Proc. of the 12th Int. Conf. on Artificial Intelligence: Methodology, Systems, Applications (AIMSA'06), LNCS 4183, pp. 77-86, 2006 (PDF)

• Stamatatos, E.
  Ensemble-based Author Identification Using Character N-grams
  In Proc. of the 3rd Int. Workshop on Text-based Information Retrieval (TIR'06),
  pp. 41-46, 2006. (PDF)

• Stamatatos, E.
  Text Sampling and Re-Sampling for Imbalanced Author Identification Cases
  In Proc. of the 17th European Conference on Artificial Intelligence (ECAI'06), 2006, (PDF)

• Kanaris, I., K. Kanaris, and E. Stamatatos
  Spam Detection Using Character N-grams
  In  G. Antoniou, G. Potamias, C. Spyropoulos, D. Plexousakis (Eds): Advances in Artificial Intelligence: Proceedings  of the 4th Hellenic Conference on AI (SETN 2006),
  Springer LNCS, 3955, pp. 95–104, 2006. (PDF)

• Kavallieratou, E. and E. Stamatatos
  Adaptive Binarization of Historical Document Images
  In Proc. of the 18th Int. Conf. on Pattern Recognition, pp. 742-745.

• Kavallieratou, E. and E. Stamatatos
  Improving the Quality of Degraded Document Images
  In Proc. of 2nd IEEE Int. Conf. on Document Image Analysis for Libraries (DIAL'06),
  pp.340-349, 2006. (PDF)

• Frantzeskou, G., E. Stamatatos, S. Gritzalis, and S. Katsikas
  Effective Identification of Source Code Authors Using Byte-level Information
  In Proc. of 28th Int. Conf. on Software Engineering (ICSE'06), 2006. (PDF)

• Frantzeskou, G., E. Stamatatos, S. Gritzalis, and S. Katsikas
  Source Code Author Identification Based on N-gram Author Profiles
  In Proc. of 3rd IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI'06), 2006, pp. 508-515. (PDF)

• Frantzeskou, G., E. Stamatatos, and S. Gritzalis
  Supporting the Cybercrime Investigation Process: Effective Discrimination of Source Code Authors Based on Byte-level Information
  In Proc. of 2nd Int. Conf. on E-Business and Telecommunication Networks, 2005. (PDF)

• Stamatatos, E. and E. Kavallieratou
  Music Performer Verification Based on Learning Ensembles
  In G. Vouros (Ed.) Methods and Applications of Artificial Intelligence
  Lecture Notes in Computer Science, 3025, pp. 122 – 131, 2004. (PDF)

• Kavallieratou E. and E. Stamatatos
  Discrimination of Machine-Printed from Handwritten Text Using Simple Structural Characteristics
  In Proc. of the 17th International Conference on Pattern Recognition (ICPR 2004)
  Volume 1., 2004. (PDF)

• Stamatatos, E. and G. Widmer
  Music Performer Recognition Using an Ensemble of Simple Classifiers
  In Proc. of the 15th European Conference on Artificial Intelligence (ECAI’02)
  pp. 335-339, 2002. (PDF)

• Stamatatos, E.
  Quantifying the Differences Between Music Performers: Score vs. Norm.
  In Proc. of the International Computer Music Conference (ICMC’02)
  pp. 376-382, 2002. (PDF)

• Stamatatos, E.
  A Computational Model for Discriminating Music Performers
  In Proc. of the MOSART Workshop on Current Research Directions in Computer Music
  pp. 65-69, 2001. (PDF)

• Stamatatos, E., N. Fakotakis, and G. Kokkinakis
  A Practical Chunker for Unrestricted Text
  In D. Christodoulakis (Ed.) Natural Language Processing
  Lecture Notes on Computer Science, 1835, pp. 139-150, 2000. (PDF)

• Stamatatos, E., N. Fakotakis, and G. Kokkinakis
  Text Genre Detection Using Common Word Frequencies
  In Proc. of the 18th Int. Conf. on Computational Linguistics (COLING2000)
  pp. 808-814, 2000. (PDF)

• Kavallieratou Ε., E. Stamatatos, N. Fakotakis, and G. Kokkinakis
  Handwritten Character Segmentation Using Transformation-Based Learning
  In Proc. of the 15th Int. Conf. on Pattern Recognition (ICPR2000)
  pp. 634-637, 2000. (PDF)

• Stamatatos, E., N. Fakotakis, and G. Kokkinakis
  Automatic Authorship Attribution
  In Proc. of the 9th Conf. οf the European Chapter of the Association for Computational Linguistics (EACL’99)
  pp. 158-164, 1999. (PDF)

• Stamatatos, E., N. Fakotakis, and G. Kokkinakis
  Automatic Extraction of Rules for Sentence Boundary Disambiguation
  In Proc. of the Workshop in Machine Learning in Human Language Technology, Advance Course on Artificial Intelligence (ACAI’99)
  pp. 88-92, 1999. (PDF)

• Stamatatos, E., S. Michos, N. Fakotakis, and G. Kokkinakis
  A User-Assisted Business Letter Generetor Dealing with Text’s Stylistic Variations
  In Proc. of the 9th IEEE Conference on Tools with Artificial Intelligence (ICTAI’97)
  pp. 182-189, 1997. (PDF)

• Stamatatos, E., S. Michos, C. Patelodimou, and N. Fakotakis
  TRANSLIB: An Advanced Tool for Supporting Multilingual Access to Library Catalogues
  In Proc. of the 2^nd Workshop on Multilinguality in Software Industry (MULSAIC’97)
  pp. 33-40, 1997. (PDF)

• Michos S., E. Stamatatos, N. Fakotakis, and G. Kokkinakis
  Categorising Texts by Using a Three-Level Functional Style Description
  In A. Ramsay (ed.) Artificial Intelligence: Methodology, Systems, Applications
  Frontiers in Artificial Intelligence and Applications, 35, IOS press, pp. 191-198, 1996. (PDF)

• Michos S., E. Stamatatos, N. Fakotakis, and G. Kokkinakis
  An Empirical Text Categorizing Computational Model Based on Stylistic Aspects
  In Proc. of the 8th IEEE Conference on Tools with Artificial Intelligence (ICTAI’96)
  pp. 71-77, 1996. (PDF)