25 search results - page 4 / 5 » Formalizing the XML Schema Matching Problem as a Constraint ... |
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Sequence-based XML indexing aims at avoiding expensive join operations in query processing. It transforms structured XML data into sequences so that a structured query can be answ...
ICEIS
2006
IEEE
13 years 11 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
DLOG
2008
13 years 7 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
DOCENG
2006
ACM
13 years 11 months ago
2006
ACM
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...
DOCENG
2009
ACM
13 years 12 months ago
2009
ACM
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...