1215 search results - page 183 / 243 » CBIR in Distributed Databases using a Multi-Agent System |
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
Conventional OLTP systems assign each transaction to a worker thread and that thread accesses data, depending on what the transaction dictates. This thread-to-transaction work ass...
GI
1997
Springer
14 years 12 days ago
1997
Springer
Abstract. This text describes how persistent object system technology developed in European basic research is being used by a small German startup software company to realize innov...
GIS
2002
ACM
13 years 8 months ago
2002
ACM
The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order t...
CCS
2007
ACM
14 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...