2674 search results - page 310 / 535 » Data Models and Query Languages for Spatial Databases |
215
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ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
—When users submit new queries to a distributed stream processing system (DSPS), a query planner must allocate physical resources, such as CPU cores, memory and network bandwidth...
165
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DASFAA
2007
IEEE
16 years 29 days ago
2007
IEEE
To support secure exchanging and sharing of XML data over the Internet, a myriad of XML access control mechanisms have been proposed. In the setting of node-level fine-grained acc...
195
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BDA
2007
15 years 8 months ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
200
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
278
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ICDE
1996
IEEE
16 years 8 months ago
1996
IEEE
The Mariposa distributed data manager uses an economic model for managing the allocation of both storage objects and queries to servers. In this paper, we present extensions to th...