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An XML document generator for semantic query optimization experimentation

An XML document generator for semantic query optimization experimentation Purpose – XML semantic query optimization (XSQO) is an important area in eXtensible Markup Language (XML) query processing. However, the experiments evaluating semantic optimization methods often suffer because of the lack of suitable data sets. To evaluate XSQO methods it is necessary to be able to build datasets with specific characteristics. In particular, it is necessary to be able to set: selectivity of embedded elements, selectivity of values of elements, depth, fan‐out and size. The aim of this paper is to describe the requirements of such a generator, and the challenges of building the generator. Design/methodology/approach – The paper considers that there is currently no generator that gives this flexibility, so the paper discusses the design and building of such a generator. Findings – The main characteristic of the generator is that it is possible to adapt existing XML documents, including XML benchmarks, for experiments that evaluate XSQO methods. With the generator, users are able to modify not only the structure of XML documents but also content quickly and directly. Originality/value – The paper provides information of value to information technology professionals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Web Information Systems Emerald Publishing

An XML document generator for semantic query optimization experimentation

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References (16)

Publisher
Emerald Publishing
Copyright
Copyright © 2007 Emerald Group Publishing Limited. All rights reserved.
ISSN
1744-0084
DOI
10.1108/17440080710829207
Publisher site
See Article on Publisher Site

Abstract

Purpose – XML semantic query optimization (XSQO) is an important area in eXtensible Markup Language (XML) query processing. However, the experiments evaluating semantic optimization methods often suffer because of the lack of suitable data sets. To evaluate XSQO methods it is necessary to be able to build datasets with specific characteristics. In particular, it is necessary to be able to set: selectivity of embedded elements, selectivity of values of elements, depth, fan‐out and size. The aim of this paper is to describe the requirements of such a generator, and the challenges of building the generator. Design/methodology/approach – The paper considers that there is currently no generator that gives this flexibility, so the paper discusses the design and building of such a generator. Findings – The main characteristic of the generator is that it is possible to adapt existing XML documents, including XML benchmarks, for experiments that evaluate XSQO methods. With the generator, users are able to modify not only the structure of XML documents but also content quickly and directly. Originality/value – The paper provides information of value to information technology professionals.

Journal

International Journal of Web Information SystemsEmerald Publishing

Published: Sep 28, 2007

Keywords: Optimization techniques; Computer applications; Programming languages; Programmable logic devices; Data structures

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