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|Title:||Algorithmic Design Using Object-Z for Twig XML Queries Evaluation|
|Authors:||Liu, Y. |
Twig Query Evaluation
|Citation:||Liu, Y., Sun, J. (2006). Algorithmic Design Using Object-Z for Twig XML Queries Evaluation. Electronic Notes in Theoretical Computer Science 151 (2 SPEC. ISS.) : 107-124. ScholarBank@NUS Repository. https://doi.org/10.1016/j.entcs.2005.07.039|
|Abstract:||Web technologies based on XML, e.g. Semantic Web and Web Services, facilitate Web automation and universally accessible content. One of the key factors for the success of XML-based technologies is of finding an efficient query evaluation algorithm for XML-based data models. An XML twig query is a complex selection predicate on both structure and content of a labelled XML document. Several novel twig query evaluation algorithms have been proposed recently. However, these algorithms are difficult to understand and hence implement due to high complexity. In this work, we present an algorithmic design for XML queries evaluation system using Object-Z. An Object-Z specification is developed to give a concise and logical description of the XML data model and the twig queries. It makes the twig query evaluation straight-forward, and allows different evaluation algorithms to be constructed easily and independently. © 2006 Elsevier B.V. All rights reserved.|
|Source Title:||Electronic Notes in Theoretical Computer Science|
|Appears in Collections:||Staff Publications|
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