Labeling XML Documents

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Author(s): Jiaheng Lu (School of Information and DEKE, MOE, Renmin University of China, China), Liang Xu (School of Computing, National University of Singapore, Singapore), Tok Wang Ling (National University of Singapore, Singapore)and Changqing Li (Duke University, USA)
Copyright: 2010
Pages: 18
Source title: Advanced Applications and Structures in XML Processing: Label Streams, Semantics Utilization and Data Query Technologies
Source Author(s)/Editor(s): Changqing Li (Duke University, USA)and Tok Wang Ling (National University of Singapore, Singapore)
DOI: 10.4018/978-1-61520-727-5.ch006

Keywords: Computer Engineering / Data Modeling Languages / Engineering Science Reference / Science & Engineering

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Abstract

XML labeling schemes play an important role in XML query processing. Containment and Prefix labeling schemes are two of the most popular labeling schemes. In order to perform efficient XML query processing, this chapter shows how to extend the traditional prefix labeling scheme to speedup query processing. In addition, for XML documents that are updated frequently, many labeling schemes require relabeling which can be very expensive. A lot of research interest has been generated on designing dynamic XML labeling schemes. Making labeling schemes dynamic turns out to be a challenging problem and many of the approaches proposed only partially avoid relabeling. This chapter describes some recently emerged dynamic labeling schemes that can completely avoid relabeling, making efficient update processing in XML database management systems possible.

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