2546 search results - page 253 / 510 » Managing long-running queries |
269
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
DejaVu is an event processing system that integrates declarative pattern matching over live and archived streams of events on top of a novel system architecture. We propose to dem...
252
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
205
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
XML query languages use directional path expressions to locate data in an XML data collection. They are tightly coupled to the structure of a data collection, and can fail when ev...
226
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LOCA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Location-based Services are emerging as popular applications in pervasive computing. Spatial k-anonymity is used in Locationbased Services to protect privacy, by hiding t...
181
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IDEAS
2006
IEEE
16 years 21 days ago
2006
IEEE
The paper presents a framework for publishing relational databases in textual documents such as mails, HTML pages, LATEX or BibTex files, plain texts, etc. The publication proces...