Performance issues and error analysis in an open-domain Question Answering system
ACL '02 Proceedings of the 40th Annual Meeting on Association for Computational Linguistics
Is it the right answer?: exploiting web redundancy for Answer Validation
ACL '02 Proceedings of the 40th Annual Meeting on Association for Computational Linguistics
CLEF'04 Proceedings of the 5th conference on Cross-Language Evaluation Forum: multilingual Information Access for Text, Speech and Images
Adapting the JIRS Passage Retrieval System to the Arabic Language
CICLing '07 Proceedings of the 8th International Conference on Computational Linguistics and Intelligent Text Processing
Exploiting Wikipedia and EuroWordNet to solve Cross-Lingual Question Answering
Information Sciences: an International Journal
N-gram vs. keyword-based passage retrieval for question answering
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
Fuzzy-Based Answer Ranking in Question Answering Communities
International Journal of Digital Library Systems
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This paper describes the QUASAR Question Answering Information System developed by the RFIA group at the Departamento de Sistemas Informáticos y Computación of the Universidad Politécnica of Valencia for the 2005 edition of the CLEF Question Answering exercise. We participated in three monolingual tasks: Spanish, Italian and French, and in two cross-language tasks: Spanish to English and English to Spanish. Since this was our first participation, we focused our work on the passage-based search engine while using simple pattern matching rules for the Answer Extraction phase. As regards the cross-language tasks, we had to resort to the most common web translation tools.