2191 search results - page 157 / 439 » Query Processing in the ROL system |
178
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DAWAK
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...
204
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ICDCS
2012
IEEE
13 years 7 months ago
2012
IEEE
—The Web 2.0 era is characterized by the emergence of a very large amount of live content. A real time and finegrained content filtering approach can precisely keep users upto-...
121
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EDBT
2009
ACM
15 years 9 months ago
2009
ACM
Decision Support Systems (DSS) are information systems that support decision making processes. In many scenarios these systems are built on top of data managed by DBMSs and make e...
261
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
Authority flow is an effective ranking mechanism for answering queries on a broad class of data. Systems have been developed to apply this principle on the Web (PageRank and topic ...
236
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...