726 search results - page 27 / 146 » Extended Query Answering Using Integrity Rules |
AMAI
2008
Springer
13 years 8 months ago
2008
Springer
We introduce a knowledge representation language AC(C) extending the syntax and semantics of ASP and CR-Prolog, give some examples of its use, and present an algorithm, ACsolver, ...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
The ability to compute top-k matches to XML queries is gaining importance due to the increasing number of large XML repositories. The efficiency of top-k query evaluation relies o...
LICS
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...
DKE
2006
13 years 8 months ago
2006
The last few years, there has been an extensive body of literature in data warehousing applications that primarily focuses on basket-type (transactional) data, common in retail in...
BTW
2007
Springer
14 years 2 months ago
2007
Springer
: For the integration of data that resides in autonomous data sources Software AG uses ontologies. Data source ontologies describe the data sources themselves. Business ontologies ...