2063 search results - page 126 / 413 » Containment of Aggregate Queries |
235
click to vote
ICDE
1999
IEEE
16 years 5 months ago
1999
IEEE
Range sum queries on data cubes are a powerful tool for analysis. A range sum query applies an aggregation operation (e.g., SUM) over all selected cells in a data cube, where the ...
152
click to vote
ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
We present methods for improving text search retrieval of visual multimedia content by applying a set of visual models of semantic concepts from a lexicon of concepts deemed relev...
164
click to vote
SCCC
2005
IEEE
15 years 10 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
145
click to vote
EDBT
2009
ACM
15 years 7 months ago
2009
ACM
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
124
click to vote
SIGMOD
2001
ACM
16 years 4 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...