641 search results - page 28 / 129 » Temporal Queries in OLAP |
112
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DOLAP
2006
ACM
15 years 9 months ago
2006
ACM
In this paper we perform an extensive theoretical and experimental study on common synopsis construction algorithms, with emphasis on wavelet based techniques, that take under con...
132
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ICDT
2001
ACM
15 years 8 months ago
2001
ACM
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
149
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SEBD
1997
15 years 5 months ago
1997
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
142
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ICIP
2003
IEEE
16 years 5 months ago
2003
IEEE
With recent advances in temporal and spatiotemporal databases, user demands are becoming more complex. As a result, simple queries are replaced by complex multitemporal query scen...