958 search results - page 5 / 192 » Efficient data structures for range-aggregate queries on tre... |
WIDM
2004
ACM
13 years 11 months ago
2004
ACM
In this paper, we propose a novel compact tree (Ctree) for XML indexing, which provides not only concise path summaries at the group level but also detailed child-parent links at ...
ICDE
2001
IEEE
14 years 7 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...
BDA
2004
13 years 7 months ago
2004
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
APWEB
2004
Springer
13 years 11 months ago
2004
Springer
Abstract With the growing importance of XML in data exchange, much research tends to provide a compact labeling scheme and a flexible query facility to extract data from dynamic XM...
JGTOOLS
2008
13 years 6 months ago
2008
Hierarchical spatial data structures provide a means for organizing data for efficient processing. Most spatial data structures are optimized for performing queries, such as inters...