102 search results - page 7 / 21 » A Study on Answering a Data Mining Query Using a Materialize... |
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
EDBT
2000
ACM
13 years 11 months ago
2000
ACM
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
ICDE
2006
IEEE
14 years 8 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...
DASFAA
2009
IEEE
14 years 2 months ago
2009
IEEE
Materialized views, a rdbms silver bullet, demonstrate its efficacy in many applications, especially as a data warehousing/decison support system tool. The pivot of playing materia...