1487 search results - page 122 / 298 » Representing and Querying Data Transformations |
145
Voted
KRDB
1997
15 years 2 months ago
1997
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...
196
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SIGMOD
2008
ACM
16 years 1 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
114
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DKE
1998
15 years 1 months ago
1998
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...
ICPR
2002
IEEE
16 years 2 months ago
2002
IEEE
A new data structure for representing the color of rays from multiple-view images is presented. The structure is a hexagonal tessellation generated from a buckyball. Using the str...
111
Voted
ICDM
2008
IEEE
15 years 8 months ago
2008
IEEE
We present an interactive system to query, explore and navigate data according to a hierarchical knowledge model that had been automatically populated from unstructured textual da...