709 search results - page 47 / 142 » Efficient Evaluation of All-Nearest-Neighbor Queries |
301
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ICDE
2007
IEEE
16 years 7 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...
192
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SSDBM
2009
IEEE
16 years 16 days ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
153
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ADBIS
1998
Springer
15 years 10 months ago
1998
Springer
In order to answer efficiently range queries in 2-d R-trees, first we sort queries by means of a space filling curve, then we group them together, and finally pass them for process...
170
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BIRTE
2006
15 years 9 months ago
2006
Existing distributed publish/subscribe systems (DPSS) offer loosely coupled and easy to deploy content-based stream delivery services to a large number of users. However, the lack ...
169
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ENTCS
2002
15 years 5 months ago
2002
Abstract. We present an extension to linear-time temporal logic (LTL) that combines the temporal specification with the collection of statistical data. By collecting statistics ove...