6905 search results - page 221 / 1381 » Querying Multidimensional Databases |
179
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DOLAP
2005
ACM
15 years 8 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
180
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MOBIDE
2006
ACM
16 years 16 days ago
2006
ACM
The representation of moving objects in spatial database systems has become an important research topic in recent years. As it is not realistic to track and store the location of ...
279
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
309
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
178
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...