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» Query Expansion and Query Reduction in Document Retrieval
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SIGIR
2006
ACM
14 years 3 months ago
Lightening the load of document smoothing for better language modeling retrieval
We hypothesized that language modeling retrieval would improve if we reduced the need for document smoothing to provide an inverse document frequency (IDF) like effect. We create...
Mark D. Smucker, James Allan
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
12 years 12 months ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou
CLEF
2004
Springer
14 years 2 months ago
Using COTS Search Engines and Custom Query Strategies at CLEF
This paper presents a system for bilingual information retrieval using commercial off-the-shelf search engines (COTS). Several custom query construction, expansion and translation ...
David Nadeau, Mario Jarmasz, Caroline Barriè...
ACL
2003
13 years 10 months ago
Orthogonal Negation in Vector Spaces for Modelling Word-Meanings and Document Retrieval
Standard IR systems can process queries such as “web NOT internet”, enabling users who are interested in arachnids to avoid documents about computing. The documents retrieved ...
Dominic Widdows
ERCIMDL
2010
Springer
158views Education» more  ERCIMDL 2010»
13 years 10 months ago
Ranking Entities Using Web Search Query Logs
Abstract Searching for entities is an emerging task in Information Retrieval for which the goal is finding well defined entities instead of documents matching the query terms. In t...
Bodo Billerbeck, Gianluca Demartini, Claudiu S. Fi...