22 search results - page 1 / 5 » Materialized Sample Views for Database Approximation |
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
VLDB
2005
ACM
13 years 10 months ago
2005
ACM
Emerging data stream management systems approach the challenge of massive data distributions which arrive at high speeds while there is only small storage by summarizing and minin...
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
ECCV
2004
Springer
14 years 6 months ago
2004
Springer
Classifying materials from their appearance is a challenging problem, especially if illumination and pose conditions are permitted to change: highlights and shadows caused by 3D st...
SIGMOD
1998
ACM
13 years 8 months ago
1998
ACM
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...