2939 search results - page 222 / 588 » A geometric approach to aggregation |
129
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MOBICOM
2006
ACM
15 years 7 months ago
2006
ACM
Characterizing mobility or contact patterns in a campus environment is of interest for a variety of reasons. Existing studies of these patterns can be classified into two basic a...
204
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SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
121
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SIGMOD
1997
ACM
15 years 6 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...
126
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INFOCOM
2010
IEEE
14 years 11 months ago
2010
IEEE
Monitoring transit traffic at one or more points in a network is of interest to network operators for reasons of traffic accounting, debugging or troubleshooting, forensics, and tr...
141
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TASE
2011
IEEE
14 years 5 months ago
2011
IEEE
—This paper proposes a general scheduling model that extends job-shop scheduling models to incorporate important features of real manufacturing systems. More precisely, each oper...