250 search results - page 11 / 50 » Tree pattern query minimization |
DASFAA
2009
IEEE
14 years 1 months ago
2009
IEEE
Existing xml query pattern-based caching strategies focus on extracting the set of frequently issued query pattern trees (qpt) based on the support of the qpts in the history. Thes...
JACM
2008
13 years 7 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
KDD
2005
ACM
14 years 7 months ago
2005
ACM
We present an algorithm for mining tree-shaped patterns in a large graph. Novel about our class of patterns is that they can contain constants, and can contain existential nodes w...
WWW
2010
ACM
13 years 5 months ago
2010
ACM
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path patt...
PR
2007
13 years 6 months ago
2007
In this paper we address the problem of how to learn a structural prototype that can be used to represent the variations present in a set of trees. The prototype serves as a patte...