Overview of the CLEF 2008 multilingual Question Answering track - Forner, P.; Peñas, A.; Agirre, E.; Alegria, I.; For?scu, C.; Moreau, N.; Osenova, P.; Prokopidis, P.; Rocha, P.; Sacaleanu, B.; Sutcliffe, R.; Tjong Kim Sang, E. (CEUR Workshop Proceedings, 2008)

Overview of ResPubliQA 2009: Question answering evaluation over European legislation - Peñas, A.; Forner, P.; Sutcliffe, R.; Rodrigo, Á.; For?scu, C.; Alegria, I.; Giampiccolo, D.; Moreau, N.; Osenova, P. (CEUR Workshop Proceedings, 2009)

Question Answering When Knowledge Bases are Incomplete - Pradel, C.; Sileo, D.; Rodrigo, Á.; Peñas, A.; Agirre, E. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2020)

A cooking knowledge graph and benchmark for question answering evaluation in lifelong learning scenarios - Veron, M.; Peñas, A.; Echegoyen, G.; Banerjee, S.; Ghannay, S.; Rosset, S. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2020)

The effect of answer validation on the performance of Question-Answering systems - Rodrigo, A.; Herrera, J.; Peñas, A. (Expert Systems with Applications, 2019)

Do systems pass university entrance exams? - Rodrigo, A.; Peñas, A.; Miyao, Y.; Kando, N. (Information Processing and Management, 2018)

A study about the future evaluation of Question-Answering systems - Rodrigo, A.; Peñas, A. (Knowledge-Based Systems, 2017)

Grounding proposition stores for question answering over linked data - Cabaleiro, B.; Peñas, A.; Manandhar, S. (Knowledge-Based Systems, 2017)

On Evaluating the Contribution of Validation for Question Answering - Rodrigo, Á.; Peñas, A. (IEEE Transactions on Knowledge and Data Engineering, 2015)

On improving parsing with automatically acquired semantic classes - Cabaleiro, B.; Peñas, A. (Knowledge-Based Systems, 2015)

Unsupervised induction of meaningful semantic classes through selectional preferences - Anaya-Sànchez, H.; Peñas, A. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2015)

Overview of the CLEF question answering track 2015 - Peñas, A.; Unger, C.; Paliouras, G.; Kakadiaris, I. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2015)

Unsupervised interpretation of eventive propositions - Peñas, A.; Cabaleiro, B.; Lapata, M. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2014)

QA4MRE 2011-2013: Overview of question answering for machine reading evaluation - Peñas, A.; Hovy, E.; Forner, P.; Rodrigo, Á.; Sutcliffe, R.; Morante, R. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2013)

Answering questions about European legislation - Rodrigo, Á.; Pérez-Iglesias, J.; Peñas, A.; Garrido, G.; Araujo, L. (Expert Systems with Applications, 2013)

WHAD: Wikipedia historical attributes data: Historical structured data extraction and vandalism detection from the Wikipedia edit history - Alfonseca, E.; Garrido, G.; Delort, J.-Y.; Peñas, A. (Language Resources and Evaluation, 2013)

Evaluating question answering validation as a classification problem - Rodrigo, Á.; Peñas, A.; Verdejo, F. (Language Resources and Evaluation, 2012)

Unsupervised acquisition of axioms to paraphrase noun compounds and genitives - Peñas, A.; Ovchinnikova, E. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2012)

Question answering at the cross-language evaluation forum 2003-2010 - Peñas, A.; Magnini, B.; Forner, P.; Sutcliffe, R.; Rodrigo, Á.; Giampiccolo, D. (Language Resources and Evaluation, 2012)

On the automatic generation of intermediate logic forms for WordNet glosses - Agerri, R.; Peñas, A. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2010)

Approaching question answering by means of paragraph validation - Rodrigo, Á.; Pérez-Iglesias, J.; Peñas, A.; Garrido, G.; Araujo, L. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2010)

Information retrieval baselines for the ResPubliQA task - Pérez-Iglesias, J.; Garrido, G.; Rodrigo, Á.; Araujo, L.; Peñas, A. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2010)

Overview of the answer validation exercise 2008 - Rodrigo, Á.; Peñas, A.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2009)

UNED at Answer Validation Exercise 2007 - Rodrigo, Á.; Peñas, A.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008)

Improving question answering by combining multiple systems via answer validation - Téllez-Valero, A.; Montes-Y-Gómez, M.; Villaseñor-Pineda, L.; Peñas, A. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008)

Testing the reasoning for question answering validation - Peñas, A.; Rodrigo, Á.; Sama, V.; Verdejo, F. (Journal of Logic and Computation, 2008)

The effect of entity recognition on answer validation - Rodrigo, Á.; Peñas, A.; Herrera, J.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2007)

Techniques for Recognizing Textual Entailment and Semantic Equivalence - Herrera, J.; Peñas, A.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2006)

Textual Entailment Recognition based on dependency analysis and WordNet - Herrera, J.; Peñas, A.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2006)

SPARTE, a test suite for recognising textual entailment in Spanish - Peñas, A.; Rodrigo, Á.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2006)

UNED at WebCLEF 2005 - Artiles, J.; Peinado, V.; Peñas, A.; Gonzalo, J.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2006)

Evaluating hierarchical clustering of search results - Cigarran, J.M.; Peñas, A.; Gonzalo, J.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2005)

Question Answering Pilot Task at CLEF 2004 - Herrera, J.; Peñas, A.; Verdejo, F. (Lecture Notes in Computer Science, 2005)

Automatic selection of noun phrases as document descriptors in an FCA-based information retrieval system - Cigarrán, J.M.; Peñas, A.; Gonzalo, J.; Verdejo, F. (Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science), 2005)

Spanish Question Answering evaluation - Peñas, A.; Verdejo, F.; Herrera, J. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2004)

Browsing search results via formal concept analysis: Automatic selection of attributes - Cigarrán, J.M.; Gonzalo, J.; Peñas, A.; Verdejo, F. (Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science), 2004)

The multiple language question answering track at CLEF 2003 - Magnini, B.; Romagnoli, S.; Vallin, A.; Herrera, J.; Peñas, A.; Peinado, V.; Verdejo, F.; De Rijke, M. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2004)

Creating the DISEQuA corpus: A test set for multilingual question answering - Magnini, B.; Romagnoli, S.; Vallin, A.; Herrera, J.; Peñas, A.; Peinado, V.; Verdejo, F.; De Rijke, M. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2004)

Suggesting named entities for information access - Amigó, E.; Peñas, A.; Gonzalo, J.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2003)

Interactive cross-language searching: Phrases are better than terms for query formulation and refinement - López-Ostenero, F.; Gonzalo, J.; Peñas, A.; Verdejo, F. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2003)

Terminology Retrieval: Towards a synergy between thesaurus and free text searching - Peñas, A.; Verdejo, F.; Gonzalo, J. (Lecture Notes in Artificial Intelligence (Subseries of Lecture Notes in Computer Science), 2002)

Browsing by phrases: Terminological information in interactive multilingual text retrieval - Peñas, A.; Gonzalo, J.; Verdejo, F. (Proceedings of the ACM International Conference on Digital Libraries, 2001)

Continuous Learning for Question Answering - Peñas, A.; Veron, M.; Pradel, C.; Otegi, A.; Echegoyen, G.; Rodrigo, A. (Lecture Notes in Electrical Engineering, 2021)

Information retrieval and question answering: A case study on COVID-19 scientific literature - Otegi, A.; San Vicente, I.; Saralegi, X.; Peñas, A.; Lozano, B.; Agirre, E. (Knowledge-Based Systems, 2022)

Evaluating Systems for Multilingual and Multimodal Information Access - Carol Peters; Thomas Deselaers; Nicola Ferro; Julio Gonzalo; Gareth J. F. Jones; Mikko Kurimo; Thomas Mandl; Anselmo Peñas; Vivien Petras (2009)

Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics - Tiziana Catarci; Pamela Forner; Djoerd Hiemstra; Anselmo Peñas; Giuseppe Santucci (2012)

Multilingual Information Access Evaluation I. Text Retrieval Experiments - Carol Peters; Giorgio Maria Di Nunzio; Mikko Kurimo; Thomas Mandl; Djamel Mostefa; Anselmo Peñas; Giovanna Roda (2010)

Study of a lifelong learning scenario for question answering - Echegoyen, G.; Rodrigo, Á.; Peñas, A. (Expert Systems with Applications, 2022)

Offensive Language Detection in Spanish Social Media: Testing from Bag-of-Words to Transformers Models - Molero, J.M.; Perez-Martin, J.; Rodrigo, A.; Penas, A. (IEEE Access, 2023)

Automatic Identification of Narratives: Evaluation Framework, Annotation Methodology, and Dataset Creation - Fraile-Hernández, J.M.; Pe?as, A.; Moral, P. (IEEE Access, 2025)

None of the above: comparing scenarios for answerability detection in question answering systems - Reyes-Montesinos,J.; Rodrigo,Á.; Peñas,A. (Applied Intelligence, 2025)

On Measuring Large Language Models Performance with Inferential Statistics - Fraile-Hernández,J.M.; Peñas,A. (Information (Switzerland), 2025)

From Web to RheumaLpack: Creating a Linguistic Corpus for Exploitation and Knowledge Discovery in Rheumatology - Madrid-García, A.; Merino-Barbancho, B.; Freites-Núñez, D.; Rodríguez-Rodríguez, L.; Menasalvas-Ruíz, E.; Rodríguez-González, A.; Peñas, A. (Computers in Biology and Medicine, 2024)

A Spanish Language Proficiency Dataset for AI Evaluation - Peñas,A.; Rodrigo,Á.; Fruns-Jiménez,J.; Soria-Pastor,I.; Moreno-Álvarez,S.; Pérez,A.; Reyes-Montesinos,J. (Information (Switzerland), 2026)

JFra-Team at PROFE 2025: A Multi-Agent Zero-Shot System for Spanish Language Proficiency Question Answering - Fraile-Hernández,J.M.; Peñas,A. (CEUR Workshop Proceedings, 2025)

ViClaim: A Multilingual Multilabel Dataset for Automatic Claim Detection in Videos - Giedemann,P.; von Däniken,P.; Deriu,J.; Rodrigo,A.; Peñas,A.; Cieliebak,M. (EMNLP 2025 - 2025 Conference on Empirical Methods in Natural Language Processing, Proceedings of the Conference, 2025)