2492 search results - page 195 / 499 » Ontology-based Database Access |
171
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CCS
2007
ACM
16 years 8 days ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
187
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APWEB
2010
Springer
15 years 11 months ago
2010
Springer
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
140
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ICDE
1993
IEEE
15 years 10 months ago
1993
IEEE
This paper presents four implementations for support of large objects in POSTGRES. The four implementations offer varying levels of support for security, transactions, compression...
265
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ICDE
1998
IEEE
16 years 7 months ago
1998
IEEE
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
158
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
With the explosive growth and spread of Internet, web access from mobile and rural users has become significant. But these users face problems of low bandwidth and intermittent In...