128 search results - page 17 / 26 » Improving Query Performance Using Materialized XML Views: A ... |
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...
PVLDB
2010
13 years 2 months ago
2010
Top-k spatial preference queries return a ranked set of the k best data objects based on the scores of feature objects in their spatial neighborhood. Despite the wide range of loc...
SAC
2006
ACM
14 years 1 months ago
2006
ACM
This paper introduces the MTree index algorithm, a special purpose XML XPath index designed to meet the needs of the hierarchical XPath query language. With the increasing importa...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- Despite of advances in machine learning technologies, a schema matching result between two database schemas (e.g., those derived from COMA++) is likely to be imprecise. ...