241 search results - page 11 / 49 » Effective pruning for XML structural match queries |
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Sequence-based XML indexing aims at avoiding expensive join operations in query processing. It transforms structured XML data into sequences so that a structured query can be answ...
DASFAA
2006
IEEE
14 years 1 months ago
2006
IEEE
Keyword search is an effective approach for most users to search for information because they do not need to learn complex query languages or the underlying structures of the data....
ICDE
2001
IEEE
14 years 8 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
The emergence of the Web has increased interests in XML data. XML query languages such as XQuery and XPath use label paths to traverse the irregularly structured data. Without a s...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...