Constraint Hierarchies. - Alan Borning; Robert Duisberg; Bjørn N. Freeman-Benson; Axel Kramer; Michael Woolf (OOPSLA, 1987)

A Module Mechanism for Constraints in Smalltalk. - Bjørn N. Freeman-Benson (OOPSLA, 1989)

Constraint Technology fur User-Interface Construction in ThingLab II. - John Maloney; Alan Borning; Bjørn N. Freeman-Benson (OOPSLA, 1989)

Kaleidoscope: Mixing Objects, Constraints and Imperative Programming. - Bjørn N. Freeman-Benson (OOPSLA/ECOOP, 1990)

An Incremental Constraint Solver. - Bjørn N. Freeman-Benson; John Maloney; Alan Borning (Commun. ACM, 1990)

Constraint hierarchies and their applications. - Alan Borning; Bjørn N. Freeman-Benson; John Maloney; Molly Wilson (Compcon, 1991)

Integrating Constraints with an Object-Oriented Language. - Bjørn N. Freeman-Benson; Alan Borning (ECOOP, 1992)

The design and implementation of Kaleidoscope'90-A constraint imperative programming language. - Bjørn N. Freeman-Benson; Alan Borning (ICCL, 1992)

Constraint-Based Languages and Systems. - Alan Borning; Bjørn N. Freeman-Benson (TOOLS (8), 1992)

Constraint Hierarchies. - Alan Borning; Bjørn N. Freeman-Benson; Molly Wilson (LISP Symb. Comput., 1992)

Constraint-based languages and systems (abstract). - Bjørn N. Freeman-Benson; Alan Borning (OOPSLA Addendum, 1992)

Kaleidoscope: A Constraint Imperative Programming Language. - Gus Lopez; Bjørn N. Freeman-Benson; Alan Borning (NATO ASI CP, 1993)

Converting an Existing User Interface to Use Constraints. - Bjørn N. Freeman-Benson (ACM Symposium on User Interface Software and Technology, 1993)

Multi-way versus One-way Constraints in User Interfaces: Experience with the DeltaBlue Algorithm. - Michael Sannella; John Maloney; Bjørn N. Freeman-Benson; Alan Borning (Softw. Pract. Exp., 1993)

Constraints and Object Identity. - Gus Lopez; Bjørn N. Freeman-Benson; Alan Borning (ECOOP, 1994)

Implementing Constraint Imperative Programming Languages: The Kaleidospace'93 Virtual Machine. - Gus Lopez; Bjørn N. Freeman-Benson; Alan Borning (OOPSLA, 1994)

The OTI Constraint Solver: A Constraint Library for Constructing Interactive Graphical User Interfaces. - Alan Borning; Bjørn N. Freeman-Benson (CP, 1995)

Indigo: A Local Propagation Algorithm for Inequality Constraints. - Alan Borning; Richard Anderson 001; Bjørn N. Freeman-Benson (ACM Symposium on User Interface Software and Technology, 1996)

Visualizing Dynamic Software System Information Through High-Level Models. - Robert J. Walker; Gail C. Murphy; Bjørn N. Freeman-Benson; Darin Wright; Darin Swanson; Jeremy Isaak (OOPSLA, 1998)

Ultraviolet: A Constraint Satisfaction Algorithm for Interactive Graphics. - Alan Borning; Bjørn N. Freeman-Benson (Constraints An Int. J., 1998)

YP and Urban Simulation: Applying an Agile Programming Methodology in a Politically Tempestuous Domain. - Bjørn N. Freeman-Benson; Alan Borning (Agile Development Conference, 2003)

Experience in developing the urbanSim system: tools and processes. - Bjørn N. Freeman-Benson; Alan Borning (OOPSLA Companion, 2003)