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» Overview of the TREC 2003 Question Answering Track
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ISDA
2009
IEEE
14 years 2 months ago
A Combined Query Expansion Technique for Retrieving Opinions from Blogs
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...
Saeedeh Momtazi, Stefan Kazalski, Dietrich Klakow
CLEF
2009
Springer
13 years 5 months ago
Overview of the CLEF 2009 Robot Vision Track
The robot vision task has been proposed to the ImageCLEF participants for the first time in 2009. The task attracted a considerable attention, with 19 inscribed research groups, 7...
Andrzej Pronobis, Li Xing, Barbara Caputo
IJCNLP
2004
Springer
14 years 1 months ago
A Re-examination of IR Techniques in QA System
The performance of Information Retrieval in the Question Answering system is not satisfactory from our experiences in TREC QA Track. In this article, we take a comparative study t...
Yi Chang, Hongbo Xu, Shuo Bai
CLEF
2005
Springer
14 years 1 months ago
20th Century Esfinge (Sphinx) Solving the Riddles at CLEF 2005
Abstract. Esfinge is a general domain Portuguese question answering system. It tries to apply simple techniques to large amounts of text. Esfinge participated last year in the mono...
Luís Costa
CIKM
2005
Springer
14 years 1 months ago
Novelty detection based on sentence level patterns
The detection of new information in a document stream is an important component of many potential applications. In this paper, a new novelty detection approach based on the identi...
Xiaoyan Li, W. Bruce Croft