9683 search results - page 289 / 1937 » Query performance prediction |
121
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VLDB
2001
ACM
15 years 8 months ago
2001
ACM
Complex similarity queries, i.e., multi-feature multi-object queries, are needed to express the information need of a user against a large multimedia repository. Even if a user in...
167
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SIGMOD
2000
ACM
15 years 8 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
141
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VLDB
2000
ACM
15 years 7 months ago
2000
ACM
In this paper, we describe a novel Web query processing approach with learning capabilities. Under this approach, user queries are in the form of keywords and search engines are e...
153
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DMSN
2005
ACM
15 years 6 months ago
2005
ACM
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
117
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PDPTA
2003
15 years 5 months ago
2003
— In this paper, we propose a powerful and convenient querying model, "Queryball", for users to query in immersive VR systems. In immersive VR systems, users expect int...