On Including Part Hierarchies in Object-Oriented Languages with an Implementation in Smalltalk

The role of frame-based representation in reasoning

Communications of the ACM

Fundamentals of interactive computer graphics

Fundamentals of interactive computer graphics

Object-oriented programming: Themes and variations

AI Magazine

Object-oriented programming with flavors

OOPLSA '86 Conference proceedings on Object-oriented programming systems, languages and applications

Using prototypical objects to implement shared behavior in object-oriented systems

OOPLSA '86 Conference proceedings on Object-oriented programming systems, languages and applications

An exemplar based Smalltalk

OOPLSA '86 Conference proceedings on Object-oriented programming systems, languages and applications

An overview of actor languages

OOPWORK '86 Proceedings of the 1986 SIGPLAN workshop on Object-oriented programming

Classes versus prototypes in object-oriented languages

ACM '86 Proceedings of 1986 ACM Fall joint computer conference

The Programming Language Aspects of ThingLab, a Constraint-Oriented Simulation Laboratory

ACM Transactions on Programming Languages and Systems (TOPLAS)

Thinglab--a constraint-oriented simulation laboratory.

Thinglab--a constraint-oriented simulation laboratory.

What IS-A Is and Isn't: An Analysis of Taxonomic Links in Semantic Networks

Computer