641 search results - page 80 / 129 » Temporal Queries in OLAP |
119
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JDM
2007
15 years 3 months ago
2007
We present a new method for computing temporal aggregation that uses a multidimensional index. The novelty of our method lies in mapping the start time and end time of a temporal ...
336
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ICDE
2001
IEEE
16 years 5 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
160
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ISMIS
1997
Springer
15 years 8 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
114
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WSDM
2010
ACM
16 years 1 months ago
2010
ACM
Many web documents are dynamic, with content changing in varying amounts at varying frequencies. However, current document search algorithms have a static view of the document con...
164
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Business Intelligence solutions, encompassing technologies such as multi-dimensional data modeling and aggregate query processing, are being applied increasingly to non-traditional...