Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/39649
Title: XTree for declarative XML querying
Authors: Chen, Z.
Ling, T.W. 
Liu, M.
Dobbie, G.
Issue Date: 2004
Source: Chen, Z.,Ling, T.W.,Liu, M.,Dobbie, G. (2004). XTree for declarative XML querying. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2973 : 100-112. ScholarBank@NUS Repository.
Abstract: How to query XML documents to extract and restructure the information is an important issue in XML research. Currently, XQuery based on XPath is the most promising standard of W3C. In this paper, we introduce a new set of syntax rules called XTree, which is a generalization of XPath. XTree has a tree structure, and a user can bind multiple variables in one XTree expression. It explicitly identifies list-valued variables, and defines some natural built-in functions to manipulate them. XTree expression can also be used in the result construction part of a query, to make it easy to read and comprehend. With these differences, XTree expressions are much more compact, and more convenient to write and understand than XPath expressions. We also give algorithms to convert queries based on XTree expressions to standard XQuery queries. © Springer-Verlag 2004.
Source Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
URI: http://scholarbank.nus.edu.sg/handle/10635/39649
ISSN: 03029743
Appears in Collections:Staff Publications

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