581 search results - page 40 / 117 » Incremental View Maintenance |
143
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APWEB
2004
Springer
15 years 10 months ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
138
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BTW
2009
Springer
15 years 11 months ago
2009
Springer
: TinTO is an experimental system aiming at demonstrating the usefulness and feasibility of incrementally evaluated SQL queries for analyzing a wide spectrum of data streams. As ap...
161
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KCAP
2003
ACM
15 years 10 months ago
2003
ACM
Our research aims at interactive document viewers that can select and highlight relevant text passages on demand. Another related objective is the generation of topic-specific su...
142
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EDBTW
2006
Springer
15 years 7 months ago
2006
Springer
Abstract. Since XML is used as a storage format in an increasing number of applications, security has become an important issue in XML databases. One aspect of security is restrict...
290
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...