591 search results - page 7 / 119 » The complexity of XPath query evaluation |
JACM
2008
13 years 8 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
PODS
2007
ACM
14 years 9 months ago
2007
ACM
Query containment has been studied extensively for fragments of
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
We present an empirical evaluation and comparison of two content extraction methods in HTML: absolute XPath expressions and relative XPath expressions. We argue that the relative ...