486 search results - page 63 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
130
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VLDB
2004
ACM
15 years 6 months ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
229
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ICDE
2009
IEEE
16 years 3 months ago
2009
IEEE
Abstract-- Privacy protection is a major concern when microdata needs to be released for ad hoc analyses. This has led to a lot of recent research in privacy goals and table anonym...
216
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
213
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
104
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
Multi-join queries are the core of any integration service that integrates data from multiple distributed data sources. Due to the large number of data sources and possibly high v...