1782 search results - page 304 / 357 » Processing Queries over Distributed XML Databases |
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
DASFAA
2008
IEEE
13 years 10 months ago
2008
IEEE
The increase in the advanced location based services such as traffic coordination and management necessitates the need for advanced models tracking the positions of Moving Objects ...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
Digital archives are dedicated to the long-term preservation of electronic information and have the mandate to enable sustained access despite rapid technology changes. Persistent...
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
Separation of duties (SoD) is a key security requirement for many business and information systems. Role Based Access Controls (RBAC) is a relatively new paradigm for protecting i...
Publication
Indexing moving objects is a fundamental issue in spatiotemporal databases. In this paper, we propose an adaptive Lazy-Update Grid-based index (LUGrid, for short) that minimizes th...