1487 search results - page 251 / 298 » Representing and Querying Data Transformations |
194
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VLDB
2008
ACM
16 years 1 days 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...
197
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
102
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ICWE
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. This paper describes the new e-learning tool CHESt that allows students to search in a knowledge base for short (teaching) multimedia clips by using a semantic search eng...
WWW
2007
ACM
16 years 15 days ago
2007
ACM
The aggregation and comparison of behavioral patterns on the WWW represent a tremendous opportunity for understanding past behaviors and predicting future behaviors. In this paper...
WWW
2007
ACM
16 years 15 days ago
2007
ACM
With the growing use of dynamic web content generated from relational databases, traditional caching solutions for throughput and latency improvements are ineffective. We describe...