332 search results - page 22 / 67 » Query Caching and View Selection for XML Databases |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
As XML database sizes grow, the amount of space used for storing the data and auxiliary data structures becomes a major factor in query and update performance. This paper presents...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
ADBIS
2006
Springer
14 years 1 months ago
2006
Springer
Database caching supports declarative query processing close to the application. Using a full-fledged DBMS as cache manager, it enables the evaluation of specific project-select-...
VLDB
2005
ACM
14 years 24 days ago
2005
ACM
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
ICDE
2005
IEEE
14 years 29 days ago
2005
IEEE
Numerous researchers have proposed to use relational databases to store and query XML documents. One important component of such systems is the XML subtree reconstruction, which r...