Georgios Petasis

According to our database, Georgios Petasis authored at least 48 papers between 1999 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

The VAST Collaborative Multimodal Annotation Platform: Annotating Values.

Georgios Petasis, Martin Ruskov, Anna Gradou, Marko Kokol

Proceedings of the Information Systems and Technologies, 2023

Andronicus of Rhodes at SemEval-2023 Task 4: Transformer-Based Human Value Detection Using Four Different Neural Network Architectures.

Georgios Papadopoulos, Marko Kokol, Maria Dagioglou, Georgios Petasis

Proceedings of the The 17th International Workshop on Semantic Evaluation, 2023

A Knowledge Graph of Values across Space and Time (full paper).

Martin Ruskov, Maria Dagioglou, Marko Kokol, Stefano Montanelli, Georgios Petasis

Proceedings of the 2nd Workshop on Artificial Intelligence for Cultural Heritage (IAI4CH 2023) co-located with the 22nd International Conference of the Italian Association for Artificial Intelligence (AIxIA 2023), 2023

2022

The Ellogon Web Annotation Tool: Annotating Moral Values and Arguments.

Alexandros Fotios Ntogramatzis, Anna Gradou, Georgios Petasis, Marko Kokol

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

2021

Interpretable machine learning to forecast hypoxia in a lagoon.

Dimitris V. Politikos, Georgios Petasis, George Katselis

Ecol. Informatics, 2021

2020

A Comparison of Machine Learning Methods for Data Imputation.

Christos Platias, Georgios Petasis

Proceedings of the SETN 2020: 11th Hellenic Conference on Artificial Intelligence, 2020

A corpus augmentation approach for improving the performance of dialogue systems in the Greek language.

Ioannis V. Loumiotis, Georgios Petasis

Proceedings of the SETN 2020: 11th Hellenic Conference on Artificial Intelligence, 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

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Ellogon Casual Annotation Infrastructure.

Georgios Petasis, Leonidas Tsekouras

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

2019

Segmentation of Argumentative Texts with Contextualised Word Representations.

Georgios Petasis

Proceedings of the 6th Workshop on Argument Mining, ArgMining@ACL 2019, Florence, Italy, 2019

2018

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

2017

YourDataStories: Transparency and Corruption Fighting Through Data Interlinking and Visual Exploration.

Georgios Petasis, Anna Triantafillou, Eric Karstens

Proceedings of the Internet Science, 2017

Unsupervised Detection of Argumentative Units though Topic Modeling Techniques.

Alfio Ferrara, Stefano Montanelli, Georgios Petasis

Proceedings of the 4th Workshop on Argument Mining, 2017

2016

CLARIN-EL Web-based Annotation Tool.

Ioannis Manousos Katakis, Georgios Petasis, Vangelis Karkaletsis

Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016

Identifying Argument Components through TextRank.

Georgios Petasis, Vangelis Karkaletsis

Proceedings of the Third Workshop on Argument Mining, 2016

2015

Argument Extraction from News, Blogs, and the Social Web.

Theodosios Goudas, Christos Louizos, Georgios Petasis, Vangelis Karkaletsis

Int. J. Artif. Intell. Tools, 2015

Argument Extraction from News.

Christos Sardianos, Ioannis Manousos Katakis, Georgios Petasis, Vangelis Karkaletsis

Proceedings of the 2nd Workshop on Argumentation Mining, 2015

2014

Sentiment Analysis for Reputation Management: Mining the Greek Web.

Georgios Petasis, Dimitris Spiliotopoulos, Nikos Tsirakis, Panayotis Tsantilas

Proceedings of the Artificial Intelligence: Methods and Applications, 2014

Argument Extraction from News, Blogs, and Social Media.

Theodosios Goudas, Christos Louizos, Georgios Petasis, Vangelis Karkaletsis

Proceedings of the Artificial Intelligence: Methods and Applications, 2014

The Ellogon Pattern Engine: Context-free Grammars over Annotations.

Georgios Petasis

Proceedings of the Ninth International Conference on Language Resources and Evaluation, 2014

Annotating Arguments: The NOMAD Collaborative Annotation Tool.

Georgios Petasis

Proceedings of the Ninth International Conference on Language Resources and Evaluation, 2014

NOMAD: Linguistic Resources and Tools Aimed at Policy Formulation and Validation.

George Kiomourtzis, George Giannakopoulos, Georgios Petasis, Pythagoras Karampiperis, Vangelis Karkaletsis

Proceedings of the Ninth International Conference on Language Resources and Evaluation, 2014

2013

Structuring the Blogosphere on News from Traditional Media.

Georgios Petasis

Proceedings of the On the Move to Meaningful Internet Systems: OTM 2013 Workshops, 2013

BOEMIE: Reasoning-based Information Extraction.

Georgios Petasis, Ralf Möller, Vangelis Karkaletsis

Proceedings of the 1st Workshop on Natural Language Processing and Automated Reasoning co-located with 12th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2013), 2013

2012

A New Annotation Tool for Aligned Bilingual Corpora.

Georgios Petasis, Mara Tsoumari

Proceedings of the Text, Speech and Dialogue - 15th International Conference, 2012

The SYNC3 Collaborative Annotation Tool.

Georgios Petasis

Proceedings of the Eighth International Conference on Language Resources and Evaluation, 2012

2011

Μηχανική μάθηση στην επεξεργασία φυσικής γλώσσας

George Petasis

PhD thesis, 2011

Unsupervised Domain Adaptation based on Text Relatedness.

Georgios Petasis

Proceedings of the Recent Advances in Natural Language Processing, 2011

Ontology Population and Enrichment: State of the Art.

Georgios Petasis, Vangelis Karkaletsis, Georgios Paliouras, Anastasia Krithara, Elias Zavitsanos

Proceedings of the Knowledge-Driven Multimedia Information Extraction and Ontology Evolution, 2011

Ontology Based Information Extraction from Text.

Vangelis Karkaletsis, Pavlina Fragkou, Georgios Petasis, Elias Iosif

Proceedings of the Knowledge-Driven Multimedia Information Extraction and Ontology Evolution, 2011

2010

BlogBuster: A Tool for Extracting Corpora from the Blogosphere.

Georgios Petasis, Dimitrios Petasis

Proceedings of the International Conference on Language Resources and Evaluation, 2010

2009

Multimedia Interpretation for Dynamic Ontology Evolution.

Silvana Castano, Irma Sofía Espinosa Peraldí, Alfio Ferrara, Vangelis Karkaletsis, Atila Kaya, Ralf Möller, Stefano Montanelli, Georgios Petasis, Michael Wessel

J. Log. Comput., 2009

2008

A Framework for Language-Independent Analysis and Prosodic Feature Annotation of Text Corpora.

Dimitris Spiliotopoulos, Georgios Petasis, Georgios Kouroupetroglou

Proceedings of the Text, Speech and Dialogue, 11th International Conference, 2008

BOEMIE Ontology-Based Text Annotation Tool.

Pavlina Fragkou, Georgios Petasis, Aris Theodorakos, Vangelis Karkaletsis, Constantine D. Spyropoulos

Proceedings of the International Conference on Language Resources and Evaluation, 2008

Learning context-free grammars to extract relations from text.

Georgios Petasis, Vangelis Karkaletsis, Georgios Paliouras, Constantine D. Spyropoulos

Proceedings of the ECAI 2008, 2008

2004

e-GRIDS: Computationally Efficient Gramatical Inference from Positive Examples.

Georgios Petasis, Georgios Paliouras, Vangelis Karkaletsis, Constantine Halatsis, Constantine D. Spyropoulos

Grammars, 2004

Text Area Identification in Web Images.

Stavros J. Perantonis, Basilios Gatos, Vassilios Maragos, Vangelis Karkaletsis, Georgios Petasis

Proceedings of the Methods and Applications of Artificial Intelligence, 2004

eg-GRIDS: Context-Free Grammatical Inference from Positive Examples Using Genetic Search.

Georgios Petasis, Georgios Paliouras, Constantine D. Spyropoulos, Constantine Halatsis

Proceedings of the Grammatical Inference: Algorithms and Applications, 2004

Adaptive, Multilingual Named Entity Recognition in Web Pages.

Georgios Petasis, Vangelis Karkaletsis, Claire Grover, Ben Hachey, Maria Teresa Pazienza, Michele Vindigni, José Coch

Proceedings of the 16th Eureopean Conference on Artificial Intelligence, 2004

2002

Ellogon: A New Text Engineering Platform.

Georgios Petasis, Vangelis Karkaletsis, Georgios Paliouras, Ion Androutsopoulos, Constantine D. Spyropoulos

Proceedings of the Third International Conference on Language Resources and Evaluation, 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

Proceedings of the Third International Conference on Language Resources and Evaluation, 2002

PatEdit: An Information Extraction Pattern Editor for Fast System Customization.

Dimitra Farmakiotou, Vangelis Karkaletsis, Ioannis Koutsias, George Petasis, Constantine D. Spyropoulos

Proceedings of the Third International Conference on Language Resources and Evaluation, 2002

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

Proceedings of the Advances in Computational Intelligence and Learning: Methods and Applications, 2002

2001

A Greek Morphological Lexicon and Its Exploitation by Natural Language Processing Applications.

Georgios Petasis, Vangelis Karkaletsis, Dimitra Farmakiotou, Ion Androutsopoulos, Constantine D. Spyropoulos

Proceedings of the Advances in Informatics, 8th Panhellenic Conference on Informatics, 2001

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

Proceedings of the Association for Computational Linguistic, 2001

2000

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

Proceedings of the SIGIR 2000: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2000

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

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