7607 search results - page 1177 / 1522 » Querying data provenance |
265
Voted
ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
We propose a scalable distributed data structure (SDDS) called SD-Rtree. We intend our structure for point and window queries over possibly large spatial datasets distributed on c...
161
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STOC
2003
ACM
16 years 7 months ago
2003
ACM
We study novel combinatorial properties of graphs that allow us to devise a completely new approach to dynamic all pairs shortest paths problems. Our approach yields a fully dynam...
287
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VLDB
2003
ACM
16 years 7 months ago
2003
ACM
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
264
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
In this demonstration, we present a prototype content-based dissemination broker, called Sonnet, which is built upon structured overlay network. It combines approximate filtering ...
175
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Sovereign information sharing allows autonomous entities to compute queries across their databases in such a way that nothing apart from the result is revealed. We describe an imp...