9683 search results - page 604 / 1937 » Predicting query performance |
217
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WEBDB
2004
Springer
16 years 18 days ago
2004
Springer
In our research on superimposed information management, we have developed applications where information elements in the superimposed layer serve to annotate, comment, restructure...
179
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MMDB
2003
ACM
16 years 15 days ago
2003
ACM
Conventional approaches to image retrieval are based on the assumption that relevant images are physically near the query image in some feature space. This is the basis of the clu...
181
Voted
SIGMOD
1996
ACM
15 years 11 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
208
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ANLP
1997
15 years 8 months ago
1997
In this paper we report on our natural language information retrieval (NLIR) project as related to the recently concluded 5th Text Retrieval Conference (TREC-5). The main thrust o...
236
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ICDE
2010
IEEE
15 years 5 months ago
2010
IEEE
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...