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ER
2007
Springer
167views Database» more  ER 2007»
15 years 10 months ago
An Unified Dynamic Description Logic Model for Databases: Relational Data, Relational Operations and Queries
The paper presents an unified Description Logic (DL) model for databases. Describing database models using DLs is a fundamental problem in many areas because it turns databases to...
Guoshun Hao, Shilong Ma, Yuefei Sui, Jianghua Lv
ESOP
2006
Springer
15 years 10 months ago
Step-Indexed Syntactic Logical Relations for Recursive and Quantified Types
We present a sound and complete proof technique, based on syntactic logical relations, for showing contextual equivalence of expressions in a -calculus with recursive types and imp...
Amal J. Ahmed
ISEMANTICS
2010
15 years 8 months ago
Issues in expressing metadata application profiles with description logics and OWL 2
This paper gives an account of how traditional metadata application profiles are related to Web ontologies and Description Logics. It is shown that metadata profiles can be formal...
Dimitrios A. Koutsomitropoulos, Georgia D. Solomou
AI
2000
Springer
15 years 6 months ago
Alternative foundations for Reiter's default logic
We introduce an alternative conceptual basis for default reasoning in Reiter's default logic. In fact, most formal or computational treatments of default logic suffer from th...
Thomas Linke, Torsten Schaub
FAC
2010
107views more  FAC 2010»
15 years 5 months ago
Algebra and logic for access control
: © Algebra and logic for access control Matthew Collinson, David Pym HP Laboratories HPL-2008-75R1 Access control, process algebra, bunched Logic; systems modelling The access co...
Matthew Collinson, David J. Pym