19 search results - page 2 / 4 » Efficient Maintenance of Materialized Top-k Views |
CIKM
2004
Springer
13 years 8 months ago
2004
Springer
Materialized views defined over distributed data sources are a well recognized technology for modern applications. Stateof-the-art incremental view maintenance requires O(n2 ) or ...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
DOLAP
1999
ACM
13 years 9 months ago
1999
ACM
In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
DMDW
2000
13 years 6 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...