Abstract
The location path language XPath is of particular importance for XML applications since it is a core component of many XML processing standards such as XSLT or XQuery. In this paper, based on axis symmetry of XPath, equivalences of XPath 1.0 location paths involving reverse axes, such as anc and prec, are established. These equivalences are used as rewriting rules in an algorithm for transforming location paths with reverse axes into equivalent reverse-axis-free ones. Location paths without reverse axes, as generated by the presented rewriting algorithm, enable efficient SAX-like streamed data processing of XPath. © Springer-Verlag Berlin Heidelberg 2002.
Cite
CITATION STYLE
Olteanu, D., Meuss, H., Furche, T., & Bry, F. (2002). XPath: Looking forward. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2490 LNCS, pp. 109–127). Springer Verlag. https://doi.org/10.1007/3-540-36128-6_7
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