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» The Expressive Rate of Constraints
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ECOOP
2007
Springer
14 years 1 months ago
Synchronizing Refactored UML Class Diagrams and OCL Constraints
UML class diagrams are usually annotated with OCL expressions that constrain their possible instantiation. In our work we have investigated how OCL annotations can be automatically...
Slavisa Markovic, Thomas Baar
VL
1993
IEEE
159views Visual Languages» more  VL 1993»
14 years 2 months ago
A Visual Logic Programming Language Based on Sets and Partitioning Constraints
This paper presents a new programming language named SPARCL that has four major elements: it is a visual language, it is a logic programming language, it relies on sets to organiz...
Lindsey L. Spratt, Allen L. Ambler
ICTAI
2010
IEEE
13 years 7 months ago
From "I Like" to "I Prefer" in Collaborative Filtering
Collaborative filtering exploits user preferences, generally ratings, to provide them with recommendations. However, the ratings may not be completely trustworthy: the rating scale...
Armelle Brun, Ahmad Hamad, Olivier Buffet, Anne Bo...
AGP
1999
IEEE
14 years 2 months ago
Extending clp(FD) by Negative Constraint Solving
In this paper we present a novel extension to the constraint logic programming on Finite Domains (clp(FD)) which combines the usual clp(FD) primitive constraint X in range with a ...
Antonio J. Fernández, Patricia M. Hill
IJCAI
2003
13 years 11 months ago
A Maximal Tractable Class of Soft Constraints
Many optimization problems can be expressed us­ ing some form of soft constraints, where different measures of desirability arc associated with differ­ ent combinations of domai...
David A. Cohen, Martin C. Cooper, Peter Jeavons, A...