331 search results - page 26 / 67 » A framework for selective query expansion |
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
We propose a formal model of Cross-Language Information Retrieval that does not rely on either query translation or document translation. Our approach leverages recent advances in...
JISE
2007
13 years 8 months ago
2007
Query expansion is extensively applied in information retrieval systems, such as search engines. Most conventional approaches to query expansion have been developed based on textua...
CIKM
2003
Springer
14 years 1 months ago
2003
Springer
Searchers can have problems devising queries that accurately express their, often dynamic, information needs. In this paper we describe an adaptive approach that uses unobtrusive ...
SIGIR
2003
ACM
14 years 1 months ago
2003
ACM
In a federated digital library system, it is too expensive to query every accessible library. Resource selection is the task to decide to which libraries a query should be routed. ...
ADBIS
2009
Springer
13 years 6 months ago
2009
Springer
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...