Generalising XPath for directed graphs

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XPath is a very natural and powerful way to specify locations in XML documents. This paper examines possible generalizations of XPath to allow both locations and paths through generalized labeled directed graphs to be specified. The need for such a path language is driven by work in querying Linguistic Annotations which are in general more complex in structure than XML documents. The result of this exercise is a powerful path language which reduces to XPath as a special case and which could potentially be useful in a range of query applications.
Original languageEnglish
Title of host publicationProceedings of Extreme Markup Languages 2003
EditorsTonya Gaylord, Kate Hamilton
Place of PublicationRockville, MD
PublisherMulberry Technologies
Publication statusPublished - 2003
EventExtreme Markup Languages 2003 - Montreal, Canada
Duration: 4 Aug 20038 Aug 2003


ConferenceExtreme Markup Languages 2003
CityMontreal, Canada


  • XPath
  • XQuery
  • querying


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