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» Evaluating Nested Queries on XML Data
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ICDE
2006
IEEE
149views Database» more  ICDE 2006»
14 years 10 months ago
An Efficient XPath Query Processor for XML Streams
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...
Yi Chen, Susan B. Davidson, Yifeng Zheng
WIDM
2004
ACM
14 years 2 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
COMAD
2008
13 years 10 months ago
Efficient Evaluation of Forward XPath Axes over XML Streams
Although many algorithms have been proposed for evaluating XPath queries containing un-ordered axes (child, descendant, parent and ancestor) against streaming XML data, there are ...
Abdul Nizar, P. Sreenivasa Kumar
WWW
2005
ACM
14 years 9 months ago
A fast XPATH evaluation technique with the facility of updates
This paper addresses the problem of fast retrieval of data from XML documents by providing a labeling schema that can easily handle simple as well as complex XPATH queries and als...
Ashish Virmani, Suchit Agarwal, Rahul Thathoo, She...
ICDE
2008
IEEE
131views Database» more  ICDE 2008»
14 years 10 months ago
Parallel Evaluation of Composite Aggregate Queries
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
Lei Chen 0003, Christopher Olston, Raghu Ramakrish...