SXSAQCT and XSAQCT: XML Queryable Compressors

Authors Tomasz Müldner, Christopher Fry, Jan Krzysztof Miziolek, Scott Durno

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Tomasz Müldner
Christopher Fry
Jan Krzysztof Miziolek
Scott Durno

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Tomasz Müldner, Christopher Fry, Jan Krzysztof Miziolek, and Scott Durno. SXSAQCT and XSAQCT: XML Queryable Compressors. In Structure-Based Compression of Complex Massive Data. Dagstuhl Seminar Proceedings, Volume 8261, pp. 1-27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)


Recently, there has been a growing interest in queryable XML compressors, which can be used to query compressed data with minimal decompression, or even without any decompression. At the same time, there are very few such projects, which have been made available for testing and comparisons. In this paper, we report our current work on two novel queryable XML compressors; a schema-based compressor, SXSAQCT, and a schema-free compressor, XSAQCT. While the work on both compressors is in its early stage, our experiments (reported here) show that our approach may be successfully competing with other known queryable compressors.
  • XML compression
  • queryable


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