The Contribution of FaMAF at QA@CLEF 2008. Answer Validation Exercise. - Julio J. Castillo (CLEF (Working Notes), 2008)

An approach using Named Entities for Recognizing Textual Entailment. - Julio Javier Castillo; Laura Alonso Alemany (TAC, 2008)

A Study of Machine Learning Algorithms for Recognizing Textual Entailment. - Julio Javier Castillo (RANLP, 2009)

Sagan in TAC2009: Using Support Vector Machines in Recognizing Textual Entailment and TE Search Pilot task. - Julio J. Castillo (TAC, 2009)

Translators in Textual Entailment. - Julio J. Castillo (DCAI, 2010)

Using Sentence Semantic Similarity Based on WordNet in Recognizing Textual Entailment. - Julio J. Castillo; Marina E. Cardenas (IBERAMIA, 2010)

A Semantic Oriented Approach to Textual Entailment Using WordNet-Based Measures. - Julio J. Castillo (MICAI (1), 2010)

Sagan in TAC2010: A Machine Learning Approach to RTE within a Corpus. - Julio Javier Castillo (TAC, 2010)

Using Machine Translation Systems to Expand a Corpus in Textual Entailment. - Julio J. Castillo (IceTAL, 2010)

Una aproximación al RTE y a la Tarea de Búsqueda de Implicación Textual usando Máquinas de Soporte Vectorial. - Julio Javier Castillo (Proces. del Leng. Natural, 2010)

A WordNet-based semantic approach to textual entailment and cross-lingual textual entailment. - Julio Javier Castillo (Int. J. Mach. Learn. Cybern., 2011)

An Approach to Cross-Lingual Textual Entailment using Online Machine Translation Systems. - Julio J. Castillo; Marina E. Cardenas (Polibits, 2011)

SAGAN: A Machine Translation Approach for Cross-Lingual Textual Entailment. - Julio J. Castillo; Marina E. Cardenas (SemEval@NAACL-HLT, 2012)

SAGAN: An approach to Semantic Textual Similarity based on Textual Entailment. - Julio J. Castillo; Paula Estrella (SemEval@NAACL-HLT, 2012)

Semantic Textual Similarity for MT evaluation. - Julio J. Castillo; Paula Estrella (WMT@NAACL-HLT, 2012)