6650 search results - page 611 / 1330 » Mutating database queries |
301
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
203
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
201
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EDBT
2004
ACM
16 years 7 months ago
2004
ACM
Peer-to-peer (P2P) systems are gaining increasing popularity as a scalable means to share data among a large number of autonomous nodes. In this paper, we consider the case in whic...
152
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DASFAA
2009
IEEE
16 years 1 months ago
2009
IEEE
This paper investigates the problem of writing data to passive RFID tag memory and proposes a reprocessing model for assuring the atomicity and durability of writing transactions i...
175
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...