151 search results - page 28 / 31 » Materializing views with minimal size to answer queries |
DOLAP
2003
ACM
14 years 1 months ago
2003
ACM
Data warehouse and Online Analytical Processing(OLAP) play a key role in business intelligent systems. With the increasing amount of spatial data stored in business database, how ...
SSDBM
1999
IEEE
14 years 20 days ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...
SSDBM
2005
IEEE
14 years 2 months ago
2005
IEEE
Several studies have demonstrated the effectiveness of Haar wavelets in reducing large amounts of data down to compact wavelet synopses that can be used to obtain fast, accurate a...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
CORR
2002
Springer
13 years 8 months ago
2002
Springer
Combinatorial auctions where agents can bid on bundles of items are desirable because they allow the agents to express complementarity and substitutability between the items. Howe...