121 search results - page 8 / 25 » A General Framework for Estimating XML Query Cardinality |
WWW
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Due to an increasing volume of XML data, it is considered prudent to store XML data on an industry-strength database system instead of relying on a domain specific application or...
CIKM
2004
Springer
15 years 2 months ago
2004
Springer
The proliferation of XML as a standard for data representation and exchange in diverse, next-generation Web applications has created an emphatic need for effective XML data-integr...
VLDB
2004
ACM
15 years 2 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
DBPL
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, we revisit the view based security framework for XML without imposing any of the previously considered restrictions on the class of queries, the class of DTDs, and t...