| 2012 | SNPD | Physicomimetics for Mobile Robot Obstacle Avoidance. | Suranga Hettiarachchi, William M. Spears |
| 2008 | ICINCO | Trilateration Localization for Multi-robot Teams. | Paul M. Maxim, Suranga Hettiarachchi, William M. Spears, Diana F. Spears, Jerry C. Hamann, Thomas Kunkel, Caleb Speiser |
| 2006 | PPSN | A Generalized Graph-Based Method for Engineering Swarm Solutions to Multiagent Problems. | R. Paul Wiegand, Mitchell A. Potter, Donald Sofge, William M. Spears |
| 2005 | IROS | Distributed robotics approach to chemical plume tracing. | Dimitri V. Zarzhitsky, Diana F. Spears, William M. Spears |
| 2005 | SMC | Artificial physics for mobile robot formations. | William M. Spears, Rodney Heil, Dimitri V. Zarzhitsky |
| 2000 | FOGA | FOGA-2000 - Introduction. | Worthy N. Martin, William M. Spears |
| 2000 | FOGA | The Equilibrium and Transient Behavior of Mutation and Recombination. | William M. Spears |
| 2000 | ISMIS | Evolving Finite-State Machine Strategies for Protecting Resources. | William M. Spears, Diana F. Gordon |
| 1999 | CEC | Aggregating models of evolutionary algorithms. | William M. Spears |
| 1998 | FOGA | Dining with GAs: Operator Lunch Theorems. | William M. Spears, Kenneth A. De Jong |
| 1996 | FOGA | Analyzing GAs Using Markov Models with Semantically Ordered and Lumped States. | William M. Spears, Kenneth A. De Jong |
| 1995 | ICML | For Every Generalization Action, Is There Really an Equal and Opposite Reaction? | R. Bharat Rao, Diana F. Gordon, William M. Spears |
| 1994 | FOGA | Using Markov Chains to Analyze GAFOs. | Kenneth A. De Jong, William M. Spears, Diana F. Gordon |
| 1992 | FOGA | Crossover or Mutation? | William M. Spears |
| 1991 | IJCAI | Learning Concept Classification Rules Using Genetic Algorithms. | Kenneth A. De Jong, William M. Spears |
| 1991 | ISMIS | A Study of Crossover Operators in Genetic Programming. | William M. Spears, Vic Anand |
| 1990 | FOGA | An Analysis of Multi-Point Crossover. | William M. Spears, Kenneth A. De Jong |
| 1990 | ICTAI | Using genetic algorithms for supervised concept learning. | William M. Spears, Kenneth A. De Jong |
| 1990 | PPSN | An Analysis of the Interacting Roles of Population Size and Crossover in Genetic Algorithms. | Kenneth A. De Jong, William M. Spears |