2853 search results - page 395 / 571 » On the Efficiency of Provenance Queries |
262
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
293
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
170
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...
181
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
We consider the problem of building a P2P-based search engine for massive document collections. We describe a prototype system called ODISSEA (Open DIStributed Search Engine Archi...
262
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...