7607 search results - page 1408 / 1522 » Querying data provenance |
198
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INFOCOM
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Stateless opportunistic forwarding is a simple faulttolerant distributed approach for data delivery and information querying in wireless ad hoc networks, where packets a...
151
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LICS
2009
IEEE
16 years 1 months ago
2009
IEEE
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
188
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ADBIS
2009
Springer
16 years 1 months ago
2009
Springer
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
195
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WEBDB
2009
Springer
16 years 1 months ago
2009
Springer
The ubiquitous adoption of XML as the standard of data exchange over the web has led to increased interest in building efficient and scalable XML publish-subscribe (pub-sub) syste...
165
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Information retrieval systems conventionally assess document relevance using the bag of words model. Consequently, relevance scores of documents retrieved for different queries a...