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» Models in Information Retrieval
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FLAIRS
1998
13 years 10 months ago
Decision Support Information Gathering System
1 The Decision Support Information Gathering System, Digs, uses influence diagrams to model user's decisions and to calculate the value of imperfect information for each avail...
Chiu-Che Tseng, Piotr J. Gmytrasiewicz
CIKM
2004
Springer
14 years 2 months ago
A framework for selective query expansion
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
Stephen Cronen-Townsend, Yun Zhou, W. Bruce Croft
NAACL
2007
13 years 10 months ago
A Case For Shorter Queries, and Helping Users Create Them
Information retrieval systems are frequently required to handle long queries. Simply using all terms in the query or relying on the underlying retrieval model to appropriately wei...
Giridhar Kumaran, James Allan
CIKM
2010
Springer
13 years 8 months ago
Exploiting site-level information to improve web search
Ranking Web search results has long evolved beyond simple bag-of-words retrieval models. Modern search engines routinely employ machine learning ranking that relies on exogenous r...
Andrei Z. Broder, Evgeniy Gabrilovich, Vanja Josif...
CAISE
2004
Springer
14 years 2 months ago
Transformations in Information Supply
In this article, we present a model for transformation of resources in information supply. These transformations allow us to reason more flexibly about information supply, and cul...
Bas van Gils, Henderik Alex Proper, Patrick van Bo...