Georgios Paliouras

2026

2025

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Overview of BioASQ Tasks 13b and Synergy13 in CLEF2025.

Anastasios Nentidis|Georgios Katsimpras|Anastasia Krithara|Georgios Paliouras

Working Notes of the Conference and Labs of the Evaluation Forum, CLEF 2025, Madrid, Spain, 9-12 September 2025.

2024

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Overview of BioASQ 2024: The Twelfth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering.

Anastasios Nentidis|Georgios Katsimpras|Anastasia Krithara|Salvador Lima-López|Eulàlia Farré-Maduell|Martin Krallinger|Natalia V. Loukachevitch|Vera Davydova|Elena Tutubalina|Georgios Paliouras

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 15th International Conference of the CLEF Association, CLEF 2024, Grenoble, France, September 9-12, 2024, Proceedings, Part II

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Overview of MultiCardioNER task at BioASQ 2024 on Medical Specialty and Language Adaptation of Clinical NER Systems for Spanish, English and Italian.

Salvador Lima-López|Eulàlia Farré-Maduell|Jan Rodríguez-Miret|Miguel Rodríguez-Ortega|Livia Lilli|Jacopo Lenkowicz|Giovanna Ceroni|Jonathan Kossof|Anoop Shah|Anastasios Nentidis|Anastasia Krithara|Georgios Katsimpras|Georgios Paliouras|Martin Krallinger

Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), Grenoble, France, 9-12 September, 2024.

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Overview of BioASQ Tasks 12b and Synergy12 in CLEF2024.

Anastasios Nentidis|Georgios Katsimpras|Anastasia Krithara|Georgios Paliouras

Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), Grenoble, France, 9-12 September, 2024.

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BioASQ at CLEF2024: The Twelfth Edition of the Large-Scale Biomedical Semantic Indexing and Question Answering Challenge.

Anastasios Nentidis|Anastasia Krithara|Georgios Paliouras|Martin Krallinger|Luis Gascó Sánchez|Salvador Lima-López|Eulàlia Farré|Natalia V. Loukachevitch|Vera Davydova|Elena Tutubalina

Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V

2023

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Overview of BioASQ 2023: The Eleventh BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering.

Anastasios Nentidis|Georgios Katsimpras|Anastasia Krithara|Salvador Lima-López|Eulàlia Farré-Maduell|Luis Gascó|Martin Krallinger|Georgios Paliouras

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 14th International Conference of the CLEF Association, CLEF 2023, Thessaloniki, Greece, September 18-21, 2023, Proceedings

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Overview of MedProcNER Task on Medical Procedure Detection and Entity Linking at BioASQ 2023.

Salvador Lima-López|Eulàlia Farré-Maduell|Luis Gascó|Anastasios Nentidis|Anastasia Krithara|Georgios Katsimpras|Georgios Paliouras|Martin Krallinger

Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), Thessaloniki, Greece, September 18th to 21st, 2023.

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Overview of BioASQ Tasks 11b and Synergy11 in CLEF2023.

Anastasios Nentidis|Georgios Katsimpras|Anastasia Krithara|Georgios Paliouras

Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), Thessaloniki, Greece, September 18th to 21st, 2023.

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BioASQ at CLEF2023: The Eleventh Edition of the Large-Scale Biomedical Semantic Indexing and Question Answering Challenge.

Anastasios Nentidis|Anastasia Krithara|Georgios Paliouras|Eulàlia Farré-Maduell|Salvador Lima-López|Martin Krallinger

Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part III

2022

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Overview of BioASQ 2022: The Tenth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering.

Anastasios Nentidis|Georgios Katsimpras|Eirini Vandorou|Anastasia Krithara|Antonio Miranda-Escalada|Luis Gascó|Martin Krallinger|Georgios Paliouras

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 13th International Conference of the CLEF Association, CLEF 2022, Bologna, Italy, September 5-8, 2022, Proceedings

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Overview of DisTEMIST at BioASQ: Automatic detection and normalization of diseases from clinical texts: results, methods, evaluation and multilingual resources.

Antonio Miranda-Escalada|Luis Gascó|Salvador Lima-López|Eulàlia Farré-Maduell|Darryl Estrada|Anastasios Nentidis|Anastasia Krithara|Georgios Katsimpras|Georgios Paliouras|Martin Krallinger

Proceedings of the Working Notes of CLEF 2022 - Conference and Labs of the Evaluation Forum, Bologna, Italy, September 5th - to - 8th, 2022.

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Overview of BioASQ Tasks 10a, 10b and Synergy10 in CLEF2022.

Anastasios Nentidis|Georgios Katsimpras|Eirini Vandorou|Anastasia Krithara|Georgios Paliouras

Proceedings of the Working Notes of CLEF 2022 - Conference and Labs of the Evaluation Forum, Bologna, Italy, September 5th - to - 8th, 2022.

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BioASQ at CLEF2022: The Tenth Edition of the Large-scale Biomedical Semantic Indexing and Question Answering Challenge.

Anastasios Nentidis|Anastasia Krithara|Georgios Paliouras|Luis Gascó|Martin Krallinger

Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II

2021

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Overview of BioASQ 2021: The Ninth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering.

Anastasios Nentidis|Georgios Katsimpras|Eirini Vandorou|Anastasia Krithara|Luis Gascó|Martin Krallinger|Georgios Paliouras

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 12th International Conference of the CLEF Association, CLEF 2021, Virtual Event, September 21-24, 2021, Proceedings

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Overview of BioASQ 2021-MESINESP track. Evaluation of advance hierarchical classification techniques for scientific literature, patents and clinical trials.

Luis Gascó|Anastasios Nentidis|Anastasia Krithara|Darryl Estrada-Zavala|Renato Toshiyuki Murasaki|Elena Primo-Peña|Cristina Bojo-Canales|Georgios Paliouras|Martin Krallinger

Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021.

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Overview of BioASQ Tasks 9a, 9b and Synergy in CLEF2021.

Anastasios Nentidis|Georgios Katsimpras|Eirini Vandorou|Anastasia Krithara|Georgios Paliouras

Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021.

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BioASQ at CLEF2021: Large-Scale Biomedical Semantic Indexing and Question Answering.

Anastasia Krithara|Anastasios Nentidis|Georgios Paliouras|Martin Krallinger|Antonio Miranda

Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

2020

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Class-aware tensor factorization for multi-relational classification.

Georgios Katsimpras|Georgios Paliouras

Information Processing and Management 2020 Volume 57 Issue 2

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Beyond MeSH: Fine-grained semantic indexing of biomedical literature based on weak supervision.

Anastasios Nentidis|Anastasia Krithara|Grigorios Tsoumakas|Georgios Paliouras

Information Processing and Management 2020 Volume 57 Issue 5

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Fine-Tuned Compressed Representations of Vessel Trajectories.

Giannis Fikioris|Kostas Patroumpas|Alexander Artikis|Georgios Paliouras|Manolis Pitsikalis

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

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Overview of BioASQ 2020: The Eighth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering.

Anastasios Nentidis|Anastasia Krithara|Konstantinos Bougiatiotis|Martin Krallinger|Carlos Rodríguez Penagos|Marta Villegas|Georgios Paliouras

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22-25, 2020, Proceedings

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Overview of BioASQ 8a and 8b: Results of the Eighth Edition of the BioASQ Tasks a and b.

Anastasios Nentidis|Anastasia Krithara|Konstantinos Bougiatiotis|Georgios Paliouras

Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020.

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Overview of MESINESP, a Spanish Medical Semantic Indexing Task within BioASQ 2020.

Carlos Rodríguez Penagos|Anastasios Nentidis|Aitor Gonzalez-Agirre|Alejandro Asensio|Jordi Armengol-Estapé|Anastasia Krithara|Marta Villegas|Georgios Paliouras|Martin Krallinger

Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020.

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BioASQ at CLEF2020: Large-Scale Biomedical Semantic Indexing and Question Answering.

Martin Krallinger|Anastasia Krithara|Anastasios Nentidis|Georgios Paliouras|Marta Villegas

Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

2016

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Report on the SIGIR 2016 Workshop on Medical Information Retrieval (MedIR).

Lorraine Goeuriot|Steven Bedrick|Gareth J. F. Jones|Anastasia Krithara|Henning Müller|George Paliouras

SIGIR Forum 2016 Volume 50 Issue 2

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Graph vs. bag representation models for the topic classification of web documents.

George Papadakis|George Giannakopoulos|Georgios Paliouras

World Wide Web (WWW) 2016 Volume 19 Issue 5

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Medical Information Search Workshop (MEDIR).

Steven Bedrick|Lorraine Goeuriot|Gareth J. F. Jones|Anastasia Krithara|Henning Müller|George Paliouras

Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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Overview of the CLEF Question Answering Track 2015.

Anselmo Peñas|Christina Unger|Georgios Paliouras|Ioannis A. Kakadiaris

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 6th International Conference of the CLEF Association, CLEF 2015, Toulouse, France, September 8-11, 2015, Proceedings

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Results of the BioASQ Tasks of the Question Answering Lab at CLEF 2015.

Georgios Balikas|Aris Kosmopoulos|Anastasia Krithara|Georgios Paliouras|Ioannis A. Kakadiaris

Working Notes of CLEF 2015 - Conference and Labs of the Evaluation forum, Toulouse, France, September 8-11, 2015.

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Determining Influential Users with Supervised Random Walks.

Georgios Katsimpras|Dimitrios Vogiatzis|Georgios Paliouras

Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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The Effect of Dimensionality Reduction on Large Scale Hierarchical Classification.

Aris Kosmopoulos|Georgios Paliouras|Ion Androutsopoulos

Information Access Evaluation. Multilinguality, Multimodality, and Interaction - 5th International Conference of the CLEF Initiative, CLEF 2014, Sheffield, UK, September 15-18, 2014. Proceedings

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Results of the BioASQ Track of the Question Answering Lab at CLEF 2014.

Georgios Balikas|Ioannis Partalas|Axel-Cyrille Ngonga Ngomo|Anastasia Krithara|Georgios Paliouras

Working Notes for CLEF 2014 Conference, Sheffield, UK, September 15-18, 2014.

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Web-scale classification: web classification in the big data era.

Ioannis Partalas|Massih-Reza Amini|Ion Androutsopoulos|Thierry Artières|Patrick Gallinari|Éric Gaussier|Georgios Paliouras

Seventh ACM International Conference on Web Search and Data Mining, WSDM 2014, New York, NY, USA, February 24-28, 2014

2010

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The ECIR 2010 large scale hierarchical classification workshop.

Aris Kosmopoulos|Éric Gaussier|Georgios Paliouras|Sujeevan Aseervatham

SIGIR Forum 2010 Volume 44 Issue 1

2003

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A Memory-Based Approach to Anti-Spam Filtering for Mailing Lists.

Georgios Sakkis|Ion Androutsopoulos|Georgios Paliouras|Vangelis Karkaletsis|Constantine D. Spyropoulos|Panagiotis Stamatopoulos

Discover Computing 2003 Volume 6 Issue 1

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Annotating Web pages for the needs of Web Information Extraction Applications.

Georgios Sigletos|Dimitra Farmakiotou|Konstantinos Stamatakis|Georgios Paliouras|Vangelis Karkaletsis

Proceedings of the Twelfth International World Wide Web Conference - Posters, WWW 2003, Budapest, Hungary, May 20-24, 2003

2000

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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: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 24-28, 2000, Athens, Greece