7751 search results - page 1257 / 1551 » Data streams: algorithms and applications |
185
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ICDT
2010
ACM
15 years 5 months ago
2010
ACM
Schema mapping composition is a fundamental operation in schema management and data exchange. The mapping composition problem has been extensively studied for a number of mapping ...
232
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TITB
2010
15 years 1 months ago
2010
Mobile sensor-based systems are emerging as promising platforms for healthcare monitoring. An important goal of these systems is to extract physiological information about the subj...
221
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KDD
2007
ACM
16 years 7 months ago
2007
ACM
The blogosphere has unique structural and temporal properties since blogs are typically used as communication media among human individuals. In this paper, we propose a novel tech...
261
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
A method for approximate subsequence matching is introduced, that significantly improves the efficiency of subsequence matching in large time series data sets under the dynamic ti...
209
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WSDM
2010
ACM
16 years 4 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...