Sciweavers

1863 search results - page 1 / 373
» An Implementation Of Formal Semantics In The Formalism Of Re...
Sort
View
KCAP
2003
ACM
13 years 10 months ago
Modularisation of domain ontologies implemented in description logics and related formalisms including OWL
Modularity is a key requirement for large ontologies in order to achieve re-use, maintainability, and evolution. Mechanisms for ‘normalisation’ to achieve analogous aims are s...
Alan L. Rector
CI
1999
90views more  CI 1999»
13 years 4 months ago
Efficient Implementation of Semantic Relations in Lexical Databases
In this paper we develop a formalization of semantic relations that facilitates efficient implementations of relations in lexical databases or knowledge representation systems usi...
Uta Priss
ICDE
1994
IEEE
103views Database» more  ICDE 1994»
13 years 9 months ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By
VLDB
2001
ACM
104views Database» more  VLDB 2001»
14 years 5 months ago
Global transaction support for workflow management systems: from formal specification to practical implementation
In this paper, we present an approach to global transactionmanagementinworkflowenvironments.Thetransaction mechanism is based on the well-known notion of compensation, but extended...
Paul W. P. J. Grefen, Jochem Vonk, Peter M. G. Ape...