The OTI Constraint Solver: A Constraint Library for Constructing
Interactive Graphical User Interfaces
Authors: Alan Borning and Bjorn N. Freeman-Benson
In Proceedings of the First International Conference on Principles and
Practice of Constraint Programming, September 1995, Ugo Montanari and
Francesca Rossi (eds), Springer LNCS 976, pages 624-628.
Abstract
ENVY/Constraints is an IBM/Smalltalk library that provides a constraint
satisfier and a collection of useful constraints, targeted at developing
interactive graphical user interfaces. The solver supports multi-way
constraints and constraint hierarchies. It uses a hybrid algorithm,
combining local propagation with pluggable cycle solvers, allowing
constraints to range over arbitrary objects, while at the same time
satisfying constraints representing simultaneous equations over the reals.
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