| 2004 | A Data Structure for Improved GP Analysis via Efficient Computation and Visualisation of Population Measures. Anikó Ekárt, Steven M. Gustafson |
| 2004 | A Practical Approach to Evolving Concurrent Programs. David Jackson |
| 2004 | Alternatives in Subtree Caching for Genetic Programming. Maarten Keijzer |
| 2004 | An Evolutionary Algorithm for the Input-Output Block Assignment Problem. Kit Yan Chan, Terence C. Fogarty |
| 2004 | Analysis of GP Improvement Techniques over the Real-World Inverse Problem of Ocean Color. Grégory Valigiani, Cyril Fonlupt, Pierre Collet |
| 2004 | Automatic Synthesis of Instruction Decode Logic by Genetic Programming. David Jackson |
| 2004 | Boosting Technique for Combining Cellular GP Classifiers. Gianluigi Folino, Clara Pizzuti, Giandomenico Spezzano |
| 2004 | Co-evolving Faults to Improve the Fault Tolerance of Sorting Networks. Michael L. Harrison, James A. Foster |
| 2004 | Coevolution of Algorithms and Deterministic Solution of Equations in Free Groups. Richard F. Booth, Alexandre V. Borovik |
| 2004 | Comparing Hybrid Systems to Design and Optimize Artificial Neural Networks. Pedro Ángel Castillo Valdivieso, Maribel García Arenas, Juan Julián Merelo Guervós, Gustavo Romero, Fatima Rateb, Alberto Prieto |
| 2004 | Constrained Molecular Dynamics as a Search and Optimization Tool. Riccardo Poli, Christopher R. Stephens |
| 2004 | Designing Optimal Combinational Digital Circuits Using a Multiple Logic Unit Processor. Sin Man Cheang, Kin-Hong Lee, Kwong-Sak Leung |
| 2004 | Efficient Crossover in the GAuGE System. Miguel Nicolau, Conor Ryan |
| 2004 | Evaluation of Chess Position by Modular Neural Network Generated by Genetic Algorithm. Mathieu Autonès, Ariel Beck, Philippe Camacho, Nicolas Lassabe, Hervé Luga, François Scharffe |
| 2004 | Evolution and Acquisition of Modules in Cartesian Genetic Programming. James Alfred Walker, Julian Francis Miller |
| 2004 | Evolutionary Feature Construction Using Information Gain and Gini Index. Mohammed Ahmed Muharram, George D. Smith |
| 2004 | Evolutionary Induction of Grammar Systems for Multi-agent Cooperation. Clayton Matthew Johnson, James Farrell |
| 2004 | Evolved Matrix Operations for Post-processing Protein Secondary Structure Predictions. Varun Aggarwal, Robert M. MacCallum |
| 2004 | Evolving Text Classifiers with Genetic Programming. Laurence Hirsch, Masoud Saeedi, Robin Hirsch |
| 2004 | Exploiting Reflection in Object Oriented Genetic Programming. Simon M. Lucas |
| 2004 | Extending Grammatical Evolution to Evolve Digital Surfaces with Genr8. Martin Hemberg, Una-May O'Reilly |
| 2004 | Genetic Programming Applied to Mixed Integer Programming. Konstantinos Kostikas, Charalambos Fragakis |
| 2004 | Genetic Programming for Natural Language Parsing. Lourdes Araujo |
| 2004 | Genetic Programming for Subjective Fitness Function Identification. Dan Costelloe, Conor Ryan |
| 2004 | Genetic Programming with Gradient Descent Search for Multiclass Object Classification. Mengjie Zhang, William D. Smart |
| 2004 | Genetic Programming, 7th European Conference, EuroGP2004, Coimbra, Portugal, April 5-7, 2004, Proceedings Maarten Keijzer, Una-May O'Reilly, Simon M. Lucas, Ernesto Costa, Terence Soule |
| 2004 | Global Distributed Evolution of L-Systems Fractals. William B. Langdon |
| 2004 | Grammatical Evolution by Grammatical Evolution: The Evolution of Grammar and Genetic Code. Michael O'Neill, Conor Ryan |
| 2004 | How to Choose Appropriate Function Sets for Gentic Programming. Gang Wang, Terence Soule |
| 2004 | Improving Grammar-Based Evolutionary Algorithms via Attributed Derivation Trees. Szilvia Zvada, Róbert Ványi |
| 2004 | Lymphoma Cancer Classification Using Genetic Programming with SNR Features. Jin-Hyuk Hong, Sung-Bae Cho |
| 2004 | On the Evolution of Evolutionary Algorithms. Jorge Tavares, Penousal Machado, Amílcar Cardoso, Francisco Baptista Pereira, Ernesto Costa |
| 2004 | On the Performance of Genetic Operators and the Random Key Representation. Eoin Ryan, R. Muhammad Atif Azad, Conor Ryan |
| 2004 | Reusing Code in Genetic Programming. Edgar Galván López, Riccardo Poli, Carlos A. Coello Coello |
| 2004 | Sampling of Unique Structures and Behaviours in Genetic Programming. Steven M. Gustafson, Edmund K. Burke, Graham Kendall |
| 2004 | Saving Effort in Parallel GP by Means of Plagues. Francisco Fernández, A. Martín |
| 2004 | Structural Risk Minimization on Decision Trees Using an Evolutionary Multiobjective Optimization. DaeEun Kim |
| 2004 | The Evolution of Concurrent Control Software Using Genetic Programming. John K. Hart, Martin J. Shepperd |
| 2004 | Toward an Alternative Comparison between Different Genetic Programming Systems. Nguyen Xuan Hoai, Robert I. McKay, Daryl Essam, Hussein A. Abbass |