513 search results - page 6 / 103 » Advanced Query Processing in Object Bases Using Access Suppo... |
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
EURONGI
2008
Springer
13 years 9 months ago
2008
Springer
Current mobility management systems are operator centralized, and focused on single link technologies. In heterogeneous wireless mesh networks, vertical handovers could be a length...
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...
GIS
2008
ACM
13 years 8 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
IDEAS
2002
IEEE
14 years 14 days ago
2002
IEEE
Based on the recent progress of digital cartography, global positioning systems (GPSs), and hand-held devices, there are growing needs of technology that provides neighborhood inf...