7607 search results - page 112 / 1522 » Querying data provenance |
264
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
189
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
With the growing importance of XML in data exchange, much research has been done in providing flexible query facilities to extract data from structured XML documents. In this pape...
210
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SIGIR
2005
ACM
15 years 12 months ago
2005
ACM
Accurate topical categorization of user queries allows for increased effectiveness, efficiency, and revenue potential in general-purpose web search systems. Such categorization be...
155
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CDB
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...
202
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DEBS
2008
ACM
15 years 8 months ago
2008
ACM
We introduce a new type of query, called a real-time continuous query (RCQ), that captures the real-time requirements of processing data streams. We develop techniques to efficien...