726 search results - page 13 / 146 » Extended Query Answering Using Integrity Rules |
DIWEB
2001
13 years 10 months ago
2001
XPathLog is a logic-based language for manipulating and integrating XML data. It extends the XPath query language with Prolog-style variables. Due to the close relationship with X...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...
IJCAI
2003
13 years 10 months ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
LPNMR
2005
Springer
14 years 2 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...