485 search results - page 42 / 97 » Processing complex aggregate queries over data streams |
107
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SIGMOD
1997
ACM
15 years 4 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
91
Voted
VTC
2007
IEEE
15 years 6 months ago
2007
IEEE
— Intelligence Transportation Systems are critical to improve the efficiency of modern transportation by reducing congestions, providing real time road conditions. A system that...
122
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DMSN
2007
ACM
15 years 4 months ago
2007
ACM
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
102
Voted
SSD
2005
Springer
15 years 6 months ago
2005
Springer
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...
126
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WWW
2008
ACM
15 years 12 days ago
2008
ACM
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...