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» Comparing and Combining Methods for Automatic Query Expansio...
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CIKM
2009
Springer
14 years 2 months ago
Reducing the risk of query expansion via robust constrained optimization
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
Kevyn Collins-Thompson
WEBI
2005
Springer
14 years 1 months ago
A User-Centered Approach for Evaluating Query Expansion Methods
Search engines are powerful tools to find information on the Web. However, they commonly return a lot of irrelevant documents when the users’ queries are not specific enough. To...
Jean-Yves Delort
COLING
2008
13 years 9 months ago
Translating Queries into Snippets for Improved Query Expansion
User logs of search engines have recently been applied successfully to improve various aspects of web search quality. In this paper, we will apply pairs of user queries and snippe...
Stefan Riezler, Yi Liu, Alexander Vasserman
DEXA
2005
Springer
109views Database» more  DEXA 2005»
14 years 1 months ago
Web Query Expansion by WordNet
In this paper, we address a novel method of Web query expansion by using WordNet and TSN. WordNet is an online lexical dictionary which describes word relationships in three dimens...
Zhiguo Gong, Chan Wa Cheang, Leong Hou U
NIPS
2008
13 years 9 months ago
Estimating Robust Query Models with Convex Optimization
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
Kevyn Collins-Thompson