Sciweavers

2138 search results - page 95 / 428
» Logical Step-Indexed Logical Relations
Sort
View
MFCS
1993
Springer
15 years 2 months ago
The Second Calculus of Binary Relations
We view the Chu space interpretation of linear logic as an alternative interpretation of the language of the Peirce calculus of binary relations. Chu spaces amount to K-valued bin...
Vaughan R. Pratt
CORR
2004
Springer
97views Education» more  CORR 2004»
14 years 10 months ago
The semijoin algebra and the guarded fragment
In the 1970s Codd introduced the relational algebra, with operators selection, projection, union, difference and product, and showed that it is equivalent to first-order logic. In ...
Dirk Leinders, Jerzy Tyszkiewicz, Jan Van den Buss...
ICDE
2002
IEEE
103views Database» more  ICDE 2002»
15 years 3 months ago
Using Unity to Semi-Automatically Integrate Relational Schema
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
Ramon Lawrence, Ken Barker
DLOG
2001
14 years 11 months ago
Preserving Modularity in XML Encoding of Description Logics
Description logics have been designed and studied in a modular way. This has allowed a methodic approach to complexity evaluation. We present a way to preserve this modularity in ...
Jérôme Euzenat
IJCAI
1993
14 years 11 months ago
The Range of Applicability of Nonmonotonic Logics for the Inertia Problem
We introduce and use a new methodology for the study of logics for action and change. The methodology allows one to define a taxonomy of reasoning problems, based in particular on...
Erik Sandewall