562 search results - page 30 / 113 » Term Selection and Query Operations for Video Retrieval |
109
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WWW
2002
ACM
16 years 2 months ago
2002
ACM
Query expansion has long been suggested as an effective way to resolve the short query and word mismatching problems. A number of query expansion methods have been proposed in tra...
SIGIR
2003
ACM
15 years 7 months ago
2003
ACM
Query length in best-match information retrieval (IR) systems is well known to be positively related to effectiveness in the IR task, when measured in experimental, non-interactiv...
116
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SIGIR
2003
ACM
15 years 7 months ago
2003
ACM
Information retrieval system evaluation is complicated by the need for manually assessed relevance judgments. Large manually-built directories on the web open the door to new eval...
101
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WWW
2009
ACM
16 years 2 months ago
2009
ACM
In this paper, we describe a buzz-based recommender system based on a large source of queries in an eCommerce application. The system detects bursts in query trends. These bursts ...
121
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CIKM
2009
Springer
15 years 8 months ago
2009
Springer
In order to enable scalable querying of graph databases, intelligent selection of subgraphs to index is essential. An improved index can reduce response times for graph queries si...