22193 search results - page 3845 / 4439 » Multiple Restricted Multiplication |
288
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Scientific data are posing new challenges to data management due to the large volume, complexity and heterogeneity of the data. Meanwhile, scientific collaboration becomes increas...
271
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
We study processing and authentication of long-running queries on outsourced data streams. In this scenario, a data owner (DO) constantly transmits its data to a service provider ...
314
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
We propose XRPC, a minimal XQuery extension that enables distributed yet efficient querying of heterogeneous XQuery data sources. XRPC enhances the existing concept of XQuery func...
294
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
308
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VLDB
2008
ACM
16 years 7 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...