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Seminar Details

Date 30-7-2004
Time 10:30
Room/Location Conference room (322)
Title Predictive annotation of named and their contexts for QA
Speaker Manuel Montes y Gomez
Affiliation Computer Science Department, National Institute of Astrophysics, Optics and Electronics of Mexico
Link https://www.disi.unige.it/person/RovettaS/seminars.html
Abstract Question Answering has become a promising research field whose aim is to provide more natural access to the information than traditional document retrieval techniques. In this talk I will present a QA approach based on the use of the lexical context of the named entities that allows to identify the possible answers to short factoid questions stated in natural language. The evaluation of this approach was made following QA@CLEF03 criteria on a corpus of over 200,000 news in Spanish. In the last part of the talk I will show and discuss the results achieved by our system.
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