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Magnini, Bernardo ; Romagnoli, Simone ; Vallin, Alessandro ; Herrera, Jesús ; Peñas, Anselmo ; Peinado, Víctor ; Verdejo, Felisa ; de Rijke, Maarten | Springer-Verlag | 2004This paper describes the procedure adopted by the three coordinators of the CLEF 2003 question answering track (ITC-irst, UNED and ILLC) to create the question set for the monolingual tasks. Despite the few resources available, the three groups [...]texto impreso
A Pilot Question Answering Task has been activated in the Cross-Language Evaluation Forum 2004 with a twofold objective. In the first place, the evaluation of Question Answering systems when they have to answer conjunctive lists, disjunctive lis[...]texto impreso
This paper reports the most significant issues related to the launching of a Monolingual Spanish Question Answering evaluation track at the Cross Language Evaluation Forum (CLEF 2003). It introduces some questions about multilingualism and descr[...]texto impreso
After defining what is understood by textual entailment and semantic equivalence, the present state and the desirable future of the systems aimed at recognizing them is shown. A compilation of the currently implemented techniques in the main Rec[...]texto impreso
Herrera, Jesús ; Peñas, Anselmo ; Verdejo, Felisa | Asociación Española para la Inteligencia Artificial (AEPIA) | 2005-11-16Tras establecer qué se entiende por implicación textual, se expone la situación actual y el futuro deseable de los sistemas dirigidos a reconocerla. Se realiza una identificación de las técnicas que implementan actualmente los principales sistem[...]texto impreso
Herrera de la Cruz, Jesús ; Peñas, Anselmo ; Verdejo, Felisa | 2005-04-11The UNED-NLP Group Recognizing Textual Entailment System is based on the use of a broad-coverage parser to extract dependency relations and a module which obtains lexical entailment relations from WordNet. The work aims at comparing whether the [...]texto impreso
The Recognizing Textual Entailment System shown here is based on the use of a broad-coverage parser to extract dependency relationships; in addition, WordNet relations are used to recognize entailment at the lexical level. The work investigates [...]texto impreso
Magnini, Bernardo ; Romagnoli, Simone ; Vallin, Alessandro ; Herrera, Jesús ; Peñas, Anselmo ; Peinado, Víctor ; Verdejo, Felisa ; de Rijke, Maarten | Springer-Verlag | 2004This paper reports on the pilot question answering track that was carried out within the CLEF initiative this year. The track was divided into monolingual and bilingual tasks: monolingual systems were evaluated within the frame of three non-Engl[...]texto impreso
Herrera de la Cruz, Jesús ; Peñas, Anselmo ; Rodrigo, Álvaro ; Verdejo, Felisa | Workshop Organization | 2006-04-10This paper reports the description of the developed system and the results obtained in the participation of the UNED in the Second Recognizing Textual Entailment (RTE) Challenge. New techniques and tools have been added: enriched queries to Word[...]
