VLDB
2008
ACM
14 years 7 months ago
2008
ACM
VLDB
2008
ACM
14 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...
VLDB
2008
ACM
14 years 7 months ago
2008
ACM
Large highly distributed data sets are poorly supported by current query technologies. Applications such as endsystembased network management are characterized by data stored on l...
VLDB
2008
ACM
14 years 7 months ago
2008
ACM
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Sensor nodes are small devices that "measure" their environment and communicate feeds of low-level data values to a base station for further processing and archiving. Dis...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Whenever an intrusion occurs, the security and value of a computer system is compromised. Network-based attacks make it difficult for legitimate users to access various network ser...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
VLDB
2007
ACM
14 years 7 months ago
2007
ACM