The following papers describe the fundamentals of ILOG optimization technology. They are academic and research oriented.

• Solving real-world linear programs: A decade and more of progress (PDF, 114k)
  Author: Robert E. Bixby

• MIP: Theory and Practice - Closing the Gap (PDF, 240k)
  Authors: Robert E. Bixby, Mary Fenelon, Zonghao Gu, Ed Rothberg, Roland Wunderling

• Centralized Vehicle Scheduler; An application of Constraint Technology (PDF, 600k)
  Authors: Tom Chase, Cindy Klepchak, Patrick Lavery, Manju Subramanian, Didier Vergamini

• Practical Patterns for Constraint Programming (PDF, 1.6M)
  Authors: Jacob Feldman, Didier Vergamini

• Incorporating Efficient Operations Research Algorithms in Constraint-Based Scheduling (PDF, 165k)
  Authors: Philippe Baptiste, Claude Le Pape, Wim Nuijten

• Disjunctive Constraints for Manufacturing Scheduling: Principles and Extensions (PDF, 177k)
  Authors: Philippe Baptiste and Claude Le Pape

• A Theoretical and Experimental Comparison of Constraint Propagation Techniques for Disjunctive Scheduling (PDF, 104k)
  Authors: Philippe Baptiste and Claude Le Pape

• Beyond the Glass Box: Constraints as Objects (PDF 187k)
  Authors: Jean-Francois Puget and Michel Leconte

• Implementation of Resource Constraints in ILOG Scheduler: a Library for the Development of Constraint-Based Scheduling Systems (PDF, 87k)
  Author: Claude Le Pape

• Three Mechanisms for Managing Resource Constraints in a Library for Constraint-Based Scheduling (PDF, 33k)
  Author: Claude Le Pape

• Constraint-Based Optimization and Approximation for Job Shop Scheduling (PDF, 168k)
  Authors: Philippe Baptiste, Claude Le Pape, Wim Nuijten

• A Computational Study of Constraint Satisfaction for Multiple Capacitated Job Shop Scheduling (PDF, 302k)
  Authors: Wim Nuijten and Emile Aarts

• A C++ implementation of CLP (PDF, 127k)
  Author: Jean-Francois Puget

• Constraint-Based Programming for Scheduling: an Historical Perspective (PDF, 124k)
  Author: Claude Le Pape

• The Progressive Party Problem: Integer Linear Programming and Constraint Programming Compared (PDF, 188k)
  Author: Barbara M. Smith

• Generalized Arc Consistency for Global Cardinality Constraint (PDF, 184k)
  Author: Jean-Charles Regin

• A Temporal Constraint Satisfaction Problem Solver (PDF, 225k)
  Authors: Julio Rives, Jos-Luis Snchez, and Rafael Pereira

• Practical Aspects of Algorithm Portfolio Design (PDF, 492k)
  Authors: Carla P. Gomes, Bart Selman