Sciweavers

80 search results - page 3 / 16
» Efficient evaluation of generalized path pattern queries on ...
Sort
View
WIDM
2004
ACM
14 years 1 months ago
Ctree: a compact tree for indexing XML data
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 ...
Qinghua Zou, Shaorong Liu, Wesley W. Chu
CIKM
2008
Springer
13 years 9 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
VLDB
2002
ACM
106views Database» more  VLDB 2002»
13 years 7 months ago
Structure and Value Synopses for XML Data Graphs
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
Neoklis Polyzotis, Minos N. Garofalakis
SIGMOD
2008
ACM
127views Database» more  SIGMOD 2008»
13 years 7 months ago
Minimization of tree pattern queries with constraints
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
Ding Chen, Chee Yong Chan
SIGMOD
2003
ACM
1527views Database» more  SIGMOD 2003»
14 years 8 months ago
XPRESS: A Queriable Compression for XML Data
Like HTML, many XML documents are resident on native file systems. Since XML data is irregular and verbose, the disk space and the network bandwidth are wasted. To overcome the ve...
Jun-Ki Min, Myung-Jae Park, Chin-Wan Chung