Set-at-a-time access to XML through DOM

Authors:
Hai Chen;Frank Wm. Tompa
Affiliations:
University of Waterloo, Waterloo, ON, Canada;University of Waterloo, Waterloo, ON, Canada
Venue:
Proceedings of the 2003 ACM symposium on Document engineering
Year:
2003

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Abstract

To support the rapid growth of the web and e-commerce, W3C developed DOM as an application programming interface that provides the abstract, logical tree structure of an XML document. In this paper, we propose ordered-set-at-a-time extensions for DOM while maintaining its tightly managed navigational nature. In particular, we define the NodeSequence interface with functions that filter, navigate, and transform sequences of nodes simultaneously. The extended DOM greatly simplifies writing some application code, and it can reduce the communications overhead and response time between a client application and the DOM server to provide applications with more efficient processing. As validation of our proposals, we present application examples that compare the convenience and efficiency of DOM with and without extensions.