664 search results - page 57 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
119
Voted
TREC
2001
15 years 3 months ago
2001
We used the YFILTER filtering system for experiments on updating profiles and setting thresholds. We developed a new method of using language models for updating profiles that is ...
129
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ICMCS
2006
IEEE
15 years 8 months ago
2006
IEEE
In this paper, we present an integrated system for news video retrieval. The proposed system incorporates both speech and visual information in the search mechanisms. The initial ...
219
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SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
Self-tuning is a cost-effective and elegant solution to the important problem of configuring a database to the characteristics of the query load. Existing techniques operate in an...
112
Voted
ICASSP
2011
IEEE
14 years 6 months ago
2011
IEEE
We propose an improved spoken term detection approach that uses support vector machines trained with lattice context consistency. The basic idea is that the same term usually have...
110
Voted
CORR
2007
Springer
15 years 2 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...