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SUM
2009
Springer

Compression of Probabilistic XML Documents

10 years 15 days ago
Compression of Probabilistic XML Documents
Database techniques to store, query and manipulate data that contains uncertainty receives increasing research interest. Such UDBMSs can be classified according to their underlying data model: relational, XML, or RDF. We focus on uncertain XML DBMS with as representative example the Probabilistic XML model (PXML) of [9]. The size of a PXML document is obviously a factor in performance. There are PXML-specific techniques to reduce the size, such as a push down mechanism, that produces equivalent but more compact PXML documents. It can only be applied, however, where possibilities are dependent. For normal XML documents there also exist several techniques for compressing a document. Since Probabilistic XML is (a special form of) normal XML, it might benefit from these methods even more. In this paper, we show that existing compression mechanisms can be combined with PXML-specific compression techniques. We also show that best compression rates are obtained with a combination of PXML-...
Irma Veldman, Ander de Keijzer, Maurice van Keulen
Added 27 Jul 2010
Updated 27 Jul 2010
Type Conference
Year 2009
Where SUM
Authors Irma Veldman, Ander de Keijzer, Maurice van Keulen
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