1088 search results - page 146 / 218 » Probabilistic query expansion using query logs |
DEXA
2010
Springer
13 years 10 months ago
2010
Springer
Significant research efforts have recently been dedicated to modeling and querying uncertain data. In this paper, we focus on skyline analysis of uncertain data, modeled as uncert...
SWAT
1994
Springer
14 years 1 months ago
1994
Springer
This paper gives a CREW PRAM algorithm for the problem of finding lowest common ancestors in a forest under the insertion of leaves and roots and the deletion of leaves. For a fore...
COMPGEOM
2004
ACM
14 years 2 months ago
2004
ACM
We present memory-efficient deterministic algorithms for constructing -nets and -approximations of streams of geometric data. Unlike probabilistic approaches, these deterministic...
TREC
2004
13 years 10 months ago
2004
In the experiment described in this paper, we investigate the effectiveness of a document-independent technique for eliciting additional information from searchers about their inf...
TREC
2000
13 years 10 months ago
2000
In this paper we describe the LIMSI Spoken Document Retrieval system used in the TREC-9 evaluation. This system combines an adapted version of the LIMSI 1999 Hub-4E transcription ...