Resolving Part-of-Speech Ambiguity in the Greek Language Using Learning Techniques - Georgios Petasis; Georgios Paliouras; Vangelis Karkaletsis; Constantine D. Spyropoulos; Ion Androutsopoulos (CoRR, 1999)

Named-Entity Recognition from Greek and English Texts. - Vangelis Karkaletsis; Georgios Paliouras; Georgios Petasis; Natasa Manousopoulou; Constantine D. Spyropoulos (J. Intell. Robotic Syst., 1999)

Automatic adaptation of proper noun dictionaries through cooperation of machine learning and probabilistic methods. - Georgios Petasis; Alessandro Cucchiarelli; Paola Velardi; Georgios Paliouras; Vangelis Karkaletsis; Constantine D. Spyropoulos (SIGIR, 2000)

Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems. - Georgios Petasis; Frantz Vichot; Francis Wolinski; Georgios Paliouras; Vangelis Karkaletsis; Constantine D. Spyropoulos (ACL, 2001)

A Greek Morphological Lexicon and Its Exploitation by Natural Language Processing Applications. - Georgios Petasis; Vangelis Karkaletsis; Dimitra Farmakiotou; Ion Androutsopoulos; Constantine D. Spyropoulos (Panhellenic Conference on Informatics, 2001)

Symbolic and Neural Learning of Named-Entity Recognition and Classification Systems in Two Languages. - Georgios Petasis; Sergios Petridis; Georgios Paliouras; Vangelis Karkaletsis; Stavros J. Perantonis; Constantine D. Spyropoulos (Advances in Computational Intelligence and Learning, 2002)

PatEdit: An Information Extraction Pattern Editor for Fast System Customization. - Dimitra Farmakiotou; Vangelis Karkaletsis; Ioannis Koutsias; George Petasis; Constantine D. Spyropoulos (LREC, 2002)

Multilingual XML-Based Named Entity Recognition for E-Retail Domains. - Claire Grover; Scott McDonald; Donnla Nic Gearailt; Vangelis Karkaletsis; Dimitra Farmakiotou; Georgios Samaritakis; Georgios Petasis; Maria Teresa Pazienza; Michele Vindigni; Frantz Vichot; Francis Wolinski (LREC, 2002)

Ellogon: A New Text Engineering Platform. - Georgios Petasis; Vangelis Karkaletsis; Georgios Paliouras; Ion Androutsopoulos; Constantine D. Spyropoulos (LREC, 2002)

Adaptive, Multilingual Named Entity Recognition in Web Pages. - Georgios Petasis; Vangelis Karkaletsis; Claire Grover; Ben Hachey; Maria Teresa Pazienza; Michele Vindigni; José Coch (ECAI, 2004)

eg-GRIDS: Context-Free Grammatical Inference from Positive Examples Using Genetic Search. - Georgios Petasis; Georgios Paliouras; Constantine D. Spyropoulos; Constantine Halatsis (ICGI, 2004)

Text Area Identification in Web Images. - Stavros J. Perantonis; Basilios Gatos; Vassilios Maragos; Vangelis Karkaletsis; Georgios Petasis (SETN, 2004)

e-GRIDS: Computationally Efficient Gramatical Inference from Positive Examples. - Georgios Petasis; Georgios Paliouras; Vangelis Karkaletsis; Constantine Halatsis; Constantine D. Spyropoulos (Grammars, 2004)

Learning context-free grammars to extract relations from text. - Georgios Petasis; Vangelis Karkaletsis; Georgios Paliouras; Constantine D. Spyropoulos (ECAI, 2008)

BOEMIE Ontology-Based Text Annotation Tool. - Pavlina Fragkou; Georgios Petasis; Aris Theodorakos; Vangelis Karkaletsis; Constantine D. Spyropoulos (LREC, 2008)

A Framework for Language-Independent Analysis and Prosodic Feature Annotation of Text Corpora. - Dimitris Spiliotopoulos; Georgios Petasis; Georgios Kouroupetroglou (TSD, 2008)

Multimedia Interpretation for Dynamic Ontology Evolution. - Silvana Castano; Irma Sofía Espinosa Peraldí; Alfio Ferrara; Vangelis Karkaletsis; Atila Kaya; Ralf Möller 001; Stefano Montanelli; Georgios Petasis; Michael Wessel (J. Log. Comput., 2009)

BlogBuster: A Tool for Extracting Corpora from the Blogosphere. - Georgios Petasis; Dimitrios Petasis (LREC, 2010)

Ontology Based Information Extraction from Text. - Vangelis Karkaletsis; Pavlina Fragkou; Georgios Petasis; Elias Iosif (Knowledge-Driven Multimedia Information Extraction and Ontology Evolution, 2011)

Ontology Population and Enrichment: State of the Art. - Georgios Petasis; Vangelis Karkaletsis; Georgios Paliouras; Anastasia Krithara; Elias Zavitsanos (Knowledge-Driven Multimedia Information Extraction and Ontology Evolution, 2011)

Unsupervised Domain Adaptation based on Text Relatedness. - Georgios Petasis (RANLP, 2011)

Μηχανική μάθηση στην επεξεργασία φυσικής γλώσσας - George Petasis (2011)

The SYNC3 Collaborative Annotation Tool. - Georgios Petasis (LREC, 2012)

A New Annotation Tool for Aligned Bilingual Corpora. - Georgios Petasis; Mara Tsoumari (TSD, 2012)

BOEMIE: Reasoning-based Information Extraction. - Georgios Petasis; Ralf Möller 001; Vangelis Karkaletsis (NLPAR@LPNMR, 2013)

Structuring the Blogosphere on News from Traditional Media. - Georgios Petasis (OTM Workshops, 2013)

NOMAD: Linguistic Resources and Tools Aimed at Policy Formulation and Validation. - George Kiomourtzis; George Giannakopoulos; Georgios Petasis; Pythagoras Karampiperis; Vangelis Karkaletsis (LREC, 2014)

Annotating Arguments: The NOMAD Collaborative Annotation Tool. - Georgios Petasis (LREC, 2014)

The Ellogon Pattern Engine: Context-free Grammars over Annotations. - Georgios Petasis (LREC, 2014)

Argument Extraction from News, Blogs, and Social Media. - Theodosios Goudas; Christos Louizos; Georgios Petasis; Vangelis Karkaletsis (SETN, 2014)

Sentiment Analysis for Reputation Management: Mining the Greek Web. - Georgios Petasis; Dimitris Spiliotopoulos; Nikos Tsirakis; Panayotis Tsantilas (SETN, 2014)

Argument Extraction from News. - Christos Sardianos; Ioannis Manousos Katakis; Georgios Petasis; Vangelis Karkaletsis (ArgMining@HLT-NAACL, 2015)

Argument Extraction from News, Blogs, and the Social Web. - Theodosios Goudas; Christos Louizos; Georgios Petasis; Vangelis Karkaletsis (Int. J. Artif. Intell. Tools, 2015)

Identifying Argument Components through TextRank. - Georgios Petasis; Vangelis Karkaletsis (ArgMining@ACL, 2016)

CLARIN-EL Web-based Annotation Tool. - Ioannis Manousos Katakis; Georgios Petasis; Vangelis Karkaletsis (LREC, 2016)

Unsupervised Detection of Argumentative Units though Topic Modeling Techniques. - Alfio Ferrara; Stefano Montanelli; Georgios Petasis (ArgMining@EMNLP, 2017)

YourDataStories: Transparency and Corruption Fighting Through Data Interlinking and Visual Exploration. - Georgios Petasis; Anna Triantafillou; Eric Karstens (INSCI Workshops, 2017)

AI in Greece: The Case of Research on Linked Geospa al Data. - Manolis Koubarakis; George A. Vouros; Georgios Chalkiadakis; Vassilis P. Plagianakos; Christos Tjortjis; Ergina Kavallieratou; Dimitris Vrakas; Nikolaos Mavridis; Georgios Petasis; Konstantinos Blekas; Anastasia Krithara (AI Mag., 2018)

Segmentation of Argumentative Texts with Contextualised Word Representations. - Georgios Petasis (ArgMining@ACL, 2019)

Ellogon Casual Annotation Infrastructure. - Georgios Petasis; Leonidas Tsekouras (LREC, 2020)

Social Web Observatory: A Platform and Method for Gathering Knowledge on Entities from Different Textual Sources. - Leonidas Tsekouras; Georgios Petasis; George Giannakopoulos; Aris Kosmopoulos (LREC, 2020)

A corpus augmentation approach for improving the performance of dialogue systems in the Greek language. - Ioannis V. Loumiotis; Georgios Petasis (SETN, 2020)

A Comparison of Machine Learning Methods for Data Imputation. - Christos Platias; Georgios Petasis (SETN, 2020)

Interpretable machine learning to forecast hypoxia in a lagoon. - Dimitris V. Politikos; Georgios Petasis; George Katselis (Ecol. Informatics, 2021)

The Ellogon Web Annotation Tool: Annotating Moral Values and Arguments. - Alexandros Fotios Ntogramatzis; Anna Gradou; Georgios Petasis; Marko Kokol (LREC, 2022)

A Knowledge Graph of Values across Space and Time (full paper). - Martin Ruskov; Maria Dagioglou; Marko Kokol; Stefano Montanelli; Georgios Petasis (IAI4CH@AI*IA, 2023)

Andronicus of Rhodes at SemEval-2023 Task 4: Transformer-Based Human Value Detection Using Four Different Neural Network Architectures. - Georgios Papadopoulos 006; Marko Kokol; Maria Dagioglou; Georgios Petasis (SemEval@ACL, 2023)

The VAST Collaborative Multimodal Annotation Platform: Annotating Values. - Georgios Petasis; Martin Ruskov; Anna Gradou; Marko Kokol (WorldCIST (4), 2023)

Hierocles of Alexandria at Touché: Multi-task & Multi-head Custom Architecture with Transformer-based Models for Human Value Detection. - Sotirios Legkas; Christina Christodoulou; Matthaios Zidianakis; Dimitrios Koutrintzes; Maria Dagioglou; Georgios Petasis (CLEF (Working Notes), 2024)

Values-Aligned, Responsible Sharing (VaRS): A Methodology and a Blueprint. - Alexandros Nousias; Maria Dagioglou; Georgios Petasis (VALE, 2024)