958 search results - page 5 / 192 » Efficient data structures for range-aggregate queries on tre... |
WIDM
2004
ACM
15 years 3 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 ...
158
click to vote
ICDE
2001
IEEE
15 years 11 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...
112
click to vote
BDA
2004
14 years 11 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
15 years 3 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
14 years 9 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...