224 search results - page 36 / 45 » Rewriting XPath Queries Using Materialized Views |
IDEAS
1999
IEEE
13 years 12 months ago
1999
IEEE
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
DAWAK
2000
Springer
13 years 12 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
DBPL
2001
Springer
14 years 4 days ago
2001
Springer
Abstract. We are interested in the theoretical foundations of the optimization of conjunctive regular path queries (CRPQs). The basic problem here is deciding query containment bot...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
The XML data is order-sensitive. The order problem, that is how ordered XML documents and order-sensitive queries over it can be efficiently supported when mapped into the unorde...