654 search results - page 7 / 131 » Complexity of Answering Queries Using Materialized Views |
DMDW
2000
13 years 8 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...
WISE
2006
Springer
14 years 1 months ago
2006
Springer
Maintaining a semantic cache of materialized XPath views inside or outside the database, is a novel, feasible and efficient approach to accelerate XML query processing. However, th...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
ADBIS
2006
Springer
14 years 1 months ago
2006
Springer
materialized view selection is a non-trivial task. Hence, its complexity must be reduced. A judicious choice of views must be costdriven and influenced by the workload experienced...
DBISP2P
2005
Springer
14 years 27 days ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...