15375 search results - page 2952 / 3075 » cans 2008 |
289
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VLDB
2008
ACM
16 years 6 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
299
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
In some applications such as filling in a customer information form on the web, some missing values may not be explicitly represented as such, but instead appear as potentially va...
269
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
259
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Online Transaction Processing (OLTP) databases include a suite of features -- disk-resident B-trees and heap files, locking-based concurrency control, support for multi-threading ...
250
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Schema integration is the problem of creating a unified target schema based on a set of existing source schemas that relate to each other via specified correspondences. The unifie...