FIDJI: using syntax for validating answers in multiple documents |
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| Authors: | Véronique Moriceau Xavier Tannier |
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| Institution: | 1.Université Paris Sud 11,LIMSI-CNRS,Orsay,France |
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| Abstract: | This article presents FIDJI, a question-answering (QA) system for French. FIDJI combines syntactic information with traditional
QA techniques such as named entity recognition and term weighting; it does not require any pre-processing other than classical
search engine indexing. Among other uses of syntax, we experiment in this system the validation of answers through different
documents, as well as specific techniques for answering different types of questions (e.g., yes/no or list questions). We
present several experiments which show the benefits of syntactic analysis, as well as multi-document validation. Different
types of questions and corpora are tested, and specificities are commented. Links with result aggregation are also discussed. |
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