2724 search results - page 63 / 545 » Optimizing Queries on Files |
204
Voted
ICDE
2006
IEEE
16 years 2 months ago
2006
IEEE
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
111
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ICDE
2007
IEEE
15 years 7 months ago
2007
IEEE
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
100
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ICDE
2007
IEEE
15 years 5 months ago
2007
IEEE
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
124
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IPPS
1997
IEEE
15 years 5 months ago
1997
IEEE
In this paper we show the power of sampling techniques in designing efficient distributed algorithms. In particular, we show that using sampling techniques, on some networks, sele...
214
Voted
ICDE
2000
IEEE
16 years 2 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...