14306 search results - page 664 / 2862 » Database System Concepts |
166
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APLAS
2006
ACM
16 years 1 months ago
2006
ACM
Abstract. Class extensions provide a fine-grained mechanism to define incremental modifications to class-based systems when standard subclassing mechanisms are inappropriate. To...
176
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CSFW
1999
IEEE
15 years 11 months ago
1999
IEEE
The information security community has long debated the exact definition of the term `security'. Even if we focus on the more modest notion of confidentiality the precise def...
171
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
— Current database systems are tailored to efficiently evaluate Boolean expressions which are typically used as selection conditions to restrict the result set. We propose to ad...
167
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ISMIR
2004
Springer
16 years 19 days ago
2004
Springer
The MPEG-7 standard provides description mechanisms and taxonomy management for multimedia documents. There are several approaches to design a multimedia database system using MPE...
191
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ICDT
2003
ACM
16 years 14 days ago
2003
ACM
In an on-line statistical database, the query system should leave unanswered queries asking for sums that could lead to the disclosure of confidential data. To check that, every su...