537 search results - page 1 / 108 » The Impact of Query Structure and Query Expansion on Retriev... |
SIGIR
1998
ACM
13 years 9 months ago
1998
ACM
ECIR
2009
Springer
13 years 2 months ago
2009
Springer
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
CLEF
2008
Springer
13 years 6 months ago
2008
Springer
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...
ACL
2007
13 years 6 months ago
2007
We present an approach to query expansion in answer retrieval that uses Statistical Machine Translation (SMT) techniques to bridge the lexical gap between questions and answers. S...
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
Blog feed search poses different and interesting challenges from traditional ad hoc document retrieval. The units of retrieval, the blogs, are collections of documents, the blog p...