513 search results - page 6 / 103 » Advanced Query Processing in Object Bases Using Access Suppo... |
200
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SIGMOD
2007
ACM
16 years 2 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...
138
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EURONGI
2008
Springer
15 years 4 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...
225
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VLDB
2008
ACM
16 years 2 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...
112
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GIS
2008
ACM
15 years 3 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...
111
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IDEAS
2002
IEEE
15 years 7 months 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...