Abstract
Holistic approaches are considered as the most robust solution for processing of twig pattern queries requiring no complicated query optimization. Holistic approaches use an abstract data type called a stream which is an ordered set of XML nodes with the same schema node. A straightforward implementation of a stream is a paged array. In this article, we introduce a multidimensional implementation of the stream for path labeling schemes. We also show that this implementation can be extended in such a way that it supports fast searching of nodes with a content. Although many multidimensional data structures have been introduced in recent years, we show that it is necessary to combine two variants of the R-tree (Ordered R-tree and Signature R-tree) for an efficient implementation the stream ADT.
Work is partially supported by Grants of GACR No. GAP202/10/0573 and GA201/09/0990.
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Křižka, F., Krátký, M., Bača, R., Chovanec, P. (2012). Multidimensional Implementation of Stream ADT. In: Wang, L., Jiang, J., Lu, J., Hong, L., Liu, B. (eds) Web-Age Information Management. WAIM 2011. Lecture Notes in Computer Science, vol 7142. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28635-3_9
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