Volume 8 Number 4 (Apr. 2013)
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JSW 2013 Vol.8(4): 1042-1049 ISSN: 1796-217X
doi: 10.4304/jsw.8.4.1042-1049

Research on Basic Operations for Query Probabilistic XML Document Based on Path Set

Jianwei Wang1, 2, Zhongxiao Hao1, 3
1Computer Science and Technology College, Harbin University of Science and Technology, Harbin 150080, China
2Information and Computer Engineering College, Northeast Forestry University, Harbin 150040, China
3Computer Science and Technology School, Harbin Institute of Technology, Harbin 150001, China


Abstract—Probabilistic XML tree is a typical probabilistic XML data model for representing uncertainty in the form of probability which can be described the nested probabilistic XML element unit. The path set in probabilistic XML unit tree can be analyzed through parsing it and drawing out the corresponding probabilistic XML unit schema tree. The node probability and the node probability threshold computation are defined first. Then the set operations are defined. The probabilistic XML XQuery sentences are extended to query a node or nodes probability, path probability and to list the possible world set. The instance analysis shows that probabilistic XML data is an effective method representing probability data and the given basic operation can realize the related probability query.

Index Terms—Probabilistic XML element unit; probabilistic XML data tree; probabilistic XML element tree; query; basic operation.

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Cite: Jianwei Wang, Zhongxiao Hao, "Research on Basic Operations for Query Probabilistic XML Document Based on Path Set," Journal of Software vol. 8, no. 4, pp. 1042-1049, 2013.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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