200 search results - page 6 / 40 » Datalog Queries of Set Constraint Databases |
RR
2010
Springer
13 years 5 months ago
2010
Springer
Based on practical observations on rule-based inference on RDF data, we study the problem of redundancy elimination on RDF graphs in the presence of rules (in the form of Datalog r...
CORR
2002
Springer
13 years 7 months ago
2002
Springer
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
DOOD
1993
Springer
13 years 11 months ago
1993
Springer
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...
SWAP
2007
13 years 8 months ago
2007
Abstract. Ontologies are pervading many areas of knowledge representation and management. To date, most research efforts have been spent on the development of sufficiently express...
VLDB
1990
ACM
13 years 11 months ago
1990
ACM
In previous papers we have proposed a graphical query language for expressing traversal recursions in labelled, directed graphs. A fundamental feature of the language is the use o...