First Evaluation of Esfinge – A Question Answering System for Portuguese
Author(s) -
Luís Fernando Costa
Publication year - 2005
Publication title -
lecture notes in computer science
Language(s) - English
Resource type - Book series
SCImago Journal Rank - 0.249
H-Index - 400
eISSN - 1611-3349
pISSN - 0302-9743
ISBN - 3-540-27420-0
DOI - 10.1007/11519645_51
Subject(s) - clef , computer science , question answering , portuguese , redundancy (engineering) , information retrieval , world wide web , domain (mathematical analysis) , linguistics , mathematical analysis , philosophy , mathematics , management , economics , task (project management) , operating system
This paper starts by describing Esfinge, a general domain Portuguese question answering system that uses the redundancy available in the Web as an important resource to find its answers. The paper also presents the strategies employed to participate in CLEF-2004 and discusses the results obtained. Three different strategies were tested: searching the answers only in the CLEF document collection, searching the answers in the Web and using the CLEF document collection to confirm these answers and finally searching the answers only in the Web. The intriguing question of why the system performed better when joining the two information sources, even though it was designed for the Web is discussed; in this connection, different language varieties and some problems of Google are mentioned. The paper concludes describing some of the work planned for the near future.
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