928 search results - page 66 / 186 » Analysis and optimization of active databases |
173
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
Computing the frequency of a pattern is one of the key operations in data mining algorithms. We describe a simple yet powerful way of speeding up any form of frequency counting sa...
ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
— We present a tool for the static analysis of XPath queries and XML Schemas. The tool introduces techniques used in the field of verification (such as binary decision diagrams...
175
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
When disseminating data involving human subjects, researchers have to weigh in the requirements of privacy of the individuals involved in the data. A model widely used for enhancin...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Data dissemination in pervasive environments is often accomplished by on-demand broadcasting. The time critical nature of the data requests plays an important role in scheduling t...
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...