Introduction

Introduction

Badya Al-Hamadani (University of Huddersfield, UK) and Joan Lu (University of Huddersfield, UK)
DOI: 10.4018/978-1-4666-1975-3.ch007
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Abstract

The eXtensible Markup Language (XML) is a World Wide Web Consortium (W3C) recommendation which has widely been used in both commerce and research. As the importance of XML documents increase, the need to deal with these documents increases as well. This chapter illustrates the methodology that has been used throughout the research, discussing all its parts and how these parts were adopted in the research.
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1.2 Research Hypothesis And Research Methodology

This thesis is based on the following hypotheses:

  • 1.

    The existing XML compression techniques can be improved to construct a new schema independent XML compressor with a higher compression ratio.

  • 2.

    The redundancy in the XML documents significantly affects the size of those documents and can be reduced to more than half of the original file size.

  • 3.

    The compressed XML document can be retrieved according to vague queries. Vague queries are those queries which do not follow the semantic rules of current query languages. They occur when the exact matching user’s query does not retrieve the required information either because of the lack of experience in writing a query or the absence of the document’s schema.

  • 4.

    The necessity of retrieving information from more than one XML documents without the need to specify an exact relative document.

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