1039 search results - page 65 / 208 » Query reformulation with constraints |
190
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
288
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
156
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EWSN
2006
Springer
16 years 5 months ago
2006
Springer
Abstract. We propose a lightweight localisation approach for supporting distance and range queries in ad hoc wireless sensor networks. In contrast to most previous localisation app...
159
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IDEAS
2007
IEEE
16 years 13 days ago
2007
IEEE
Constraint-based database caching aims at correctly answering SQL query predicates from a local cache database by exploiting constraints that have previously been used in selectin...
175
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INTELLCOMM
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. In this paper we propose the usage of W3C-standardized query language, XQuery, to accommodate XML Update. Our main aim is to enable the update without violating the seman...