2516 search results - page 21 / 504 » Integrity Constraints for XML |
DEXAW
2007
IEEE
14 years 12 days ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
ICDT
2007
ACM
14 years 10 days ago
2007
ACM
Abstract. We review key constraints in the context of XML as introduced by Buneman et al. We show that one of the proposed inference rules is not sound in general, and the axiomati...
BTW
2007
Springer
14 years 2 months ago
2007
Springer
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...
ADBIS
2006
Springer
14 years 7 days ago
2006
Springer
Abstract. XML query processors suffer from main-memory limitations that prevent them from processing large XML documents. While content-based predicates can be used to project down...
JODS
2006
13 years 8 months ago
2006
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...