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2007•Unpublished venueRequires access

Update XML data by using graphical languages

Wei Ni, Tok Wang Ling

Open publisher page 5 citations

Abstract

To be a full-featured data exchange format, XML should support not only queries but also updates on its contents. The new W3C XML update facility has proposed a set of operators (insert, delete, replace and rename) and expressions to modify XML data. However, the new update standard is an extension of XPath/XQuery. As a result, it requires the full knowledge about complex XPath/XQuery writing techniques, which is too difficult for common users to use. In this paper, we intuitively represent XML update expressions as graphs. Based on our previous works of GLASS (Graphical query LAnguages for Semi-Structured data), we make an extension, named as GLASS U, to support the new XML update facility. To our best knowledge, it is the world first graphical language that supports XML updates.

About this research paper

What this paper is about

To be a full-featured data exchange format, XML should support not only queries but also updates on its contents. The new W3C XML update facility has proposed a set of operators (insert, delete, replace and rename) and expressions to modify XML data. However, the new update standard is an extension of XPath/XQuery. As a result, it requires the full knowledge about complex XPath/XQuery writing techniques, which is too difficult for common users to use. In this paper, we intuitively represent XML update expressions as graphs. Based on our previous works of GLASS (Graphical query LAnguages for Semi-Structured data), we make an extension, named as GLASS U, to support the new XML update facility. To our best knowledge, it is the world first graphical language that supports XML updates.

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Available abstract

To be a full-featured data exchange format, XML should support not only queries but also updates on its contents. The new W3C XML update facility has proposed a set of operators (insert, delete, replace and rename) and expressions to modify XML data. However, the new update standard is an extension of XPath/XQuery. As a result, it requires the full knowledge about complex XPath/XQuery writing techniques, which is too difficult for common users to use. In this paper, we intuitively represent XML update expressions as graphs. Based on our previous works of GLASS (Graphical query LAnguages for Semi-Structured data), we make an extension, named as GLASS U, to support the new XML update facility. To our best knowledge, it is the world first graphical language that supports XML updates.

Key concepts: XPath, Computer science, XQuery, Streaming XML, XML database, Efficient XML Interchange, XML validation, XML Schema Editor

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