950 search results - page 138 / 190 » Continuous Queries over Data Streams - Semantics and Impleme... |
101
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ICAC
2006
IEEE
15 years 5 months ago
2006
IEEE
— Recent advances have demonstrated the potential benefits of coordinated management of thermal load in data centers, including reduced cooling costs and improved resistance to ...
183
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GIS
2007
ACM
16 years 6 days ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
100
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VLDB
2004
ACM
15 years 4 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...
170
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ICDE
1999
IEEE
16 years 15 days ago
1999
IEEE
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
EDBTW
2006
Springer
15 years 1 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...