2492 search results - page 232 / 499 » Ontology-based Database Access |
156
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
In this paper, we propose a novel client-side, multi-granularity caching scheme, called "Complementary Space Caching" (CS caching), for location-based services in mobile ...
167
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ICDT
2007
ACM
16 years 21 days ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
178
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DASFAA
2006
IEEE
16 years 18 days ago
2006
IEEE
Abstract. To process aggregation queries issued through different sensors as access points in sensor networks, existing algorithms handle queries independently and perform in-netw...
156
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SSDBM
1998
IEEE
15 years 10 months ago
1998
IEEE
When scientific data sets can be interpreted visually they are typically managed as pictures and consequently stored as large collections of bitmaps. Valuable information containe...
157
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
This paper presents general algorithms for concurrency control in tree-based access methods as well as a recovery protocol and a mechanism for ensuring repeatable read. The algori...