White Papers

XCQ: XML Compression and Querying System

Tags: data

Overview This paper presents the development of an XML compression and querying tool, which is called XML Compression and Querying System (XCQ). This system is developed based on a novel technique called DTD Tree and SAX Event Stream Parsing (DSP). This technique is designed for efficient compression of XML documents that conform to a given DTD without involving user expertise. A reasonable compression ratio, which is comparable to that of XMill, is achieved by DSP. The compressed documents in XCQ adopt a partitioned path-based data grouping which supports evaluating queries without running a full decompression. They demonstrate with examples how to query compressed documents in XCQ.

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Publisher: Hong Kong University of Science and Technology
File Format: PDF
Date Published: Nov 26, 2008
Format: White Papers
Topics: XML, Programming Languages

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