1445 search results - page 8 / 289 » XPath query containment |
SIGMOD
2005
ACM
14 years 6 months ago
2005
ACM
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
ICDT
2010
ACM
14 years 4 months ago
2010
ACM
We consider a fragment of XPath named `forward-XPath', which contains all descendant and rightwards sibling axes as well as data equality and inequality tests. The satisfiabi...
DILS
2006
Springer
13 years 10 months ago
2006
Springer
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
ICDT
2009
ACM
14 years 7 months ago
2009
ACM
We study the problem of incrementally maintaining an XPath query on an XML database under updates. The updates we consider are node insertion, node deletion, and node relabeling. ...
XIMEP
2004
ACM
14 years 3 days ago
2004
ACM
Most current XQuery implementations require that all XML data reside in memory in one form or another before they start processing the data. This is unacceptable for large XML doc...