This book constitutes the joint refereed proceedings of six workshops, EvoWorkshops 2003, held together with EuroGP 2003 in Essex, UK in April 2003.

EvoBIO Contributions.- Artificial Immune System for Classification of Cancer.- Pattern Search in Molecules with FANS: Preliminary Results.- Applying Memetic Algorithms to the Analysis of Microarray Data.- Gene Network Reconstruction Using a Distributed Genetic Algorithm with a Backprop Local Search.- Promoter Prediction with a GP-Automaton.- Chromosomal Breakpoint Detection in Human Cancer.- Discovering Haplotypes in Linkage Disequilibrium Mapping with an Adaptive Genetic Algorithm.- Genetic Algorithms for Gene Expression Analysis.- Comparison of AdaBoost and Genetic Programming for Combining Neural Networks for Drug Discovery.- Cross Validation Consistency for the Assessment of Genetic Programming Results in Microarray Studies.- Algorithms for Identification Key Generation and Optimization with Application to Yeast Identification.- Generalisation and Model Selection in Supervised Learning with Evolutionary Computation.- EvoCOP Contributions.- Genetic Algorithms on NK-Landscapes: Effects of Selection, Drift, Mutation, and Recombination.- Multilevel Heuristic Algorithm for Graph Partitioning.- Experimental Comparison of Two Evolutionary Algorithms for the Independent Set Problem.- New Ideas for Applying Ant Colony Optimization to the Probabilistic TSP.- An Experimental Comparison of Two Different Encoding Schemes for the Location of Base Stations in Cellular Networks.- Landscape State Machines: Tools for Evolutionary Algorithm Performance Analyses and Landscape/Algorithm Mapping.- Constrained Coverage Optimisation for Mobile Cellular Networks.- Combinations of Local Search and Exact Algorithms.- On Confidence Intervals for the Number of Local Optima.- Searching for Maximum Cliques with Ant Colony Optimization.- A Study of Greedy, Local Search, and Ant Colony OptimizationApproaches for Car Sequencing Problems.- Evolutionary Computing for the Satisfiability Problem.- Guiding Single-Objective Optimization Using Multi-objective Methods.- A Genetic Algorithm for the Index Selection Problem.- A Template Approach to Producing Incremental Objective Cost Functions for Local Search Meta-heuristics.- Analyzing a Unified Ant System for the VRP and Some of Its Variants.- Adapting to Complexity During Search in Combinatorial Landscapes.- Search Space Analysis of the Linear Ordering Problem.- Ant Algorithms for the University Course Timetabling Problem with Regard to the State-of-the-Art.- EvoIASP Contributions.- Multiple Genetic Snakes for Bone Segmentation.- Mobile Robot Sensor Fusion Using Flies.- Anticipating Bankruptcy Reorganisation from Raw Financial Data Using Grammatical Evolution.- GAME-HDL: Implementation of Evolutionary Algorithms Using Hardware Description Languages.- Evolutionary Approach to Discovery of Classification Rules from Remote Sensing Images.- Hybrid Evolution Strategy-Downhill Simplex Algorithm for Inverse Light Scattering Problems.- Accurate L-Corner Measurement Using USEF Functions and Evolutionary Algorithms.- On Two Approaches to Image Processing Algorithm Design for Binary Images Using GP.- Restoration of Old Documents with Genetic Algorithms.- The Effectiveness of Cost Based Subtree Caching Mechanisms in Typed Genetic Programming for Image Segmentation.- Pixel Statistics and False Alarm Area in Genetic Programming for Object Detection.- EvoMUSART Contributions.- The Emergence of Social Learning in Artificial Societies.- Tabula Rasa: A Case Study in Evolutionary Curation.- MusicBlox: A Real-Time Algorithmic Composition System Incorporating a Distributed Interactive Genetic Algorithm.- Towards a Prehistory of Evolutionary and Adaptive Computation in Music.- ArtiE-Fract: The Artist's Viewpoint.- Evolutionary Music and the Zipf-Mandelbrot Law: Developing Fitness Functions for Pleasant Music.- Genophone: Evolving Sounds and Integral Performance Parameter Mappings.- Genetic Improvisation Model A Framework for Real-Time Performance Environments.- On the Development of Critics in Evolutionary Computation Artists.- Genetic Algorithms for the Generation of Models with Micropopulations.- EvoROB Contributions.- Evolution of Collective Behavior in a Team of Physically Linked Robots.- Exploring the T-Maze: Evolving Learning-Like Robot Behaviors Using CTRNNs.- Competitive Co-evolution of Predator and Prey Sensory-Motor Systems.- Evolving Spiking Neuron Controllers for Phototaxis and Phonotaxis.- Evolving Neural Networks for the Control of a Lenticular Blimp.- Evolving Symbolic Controllers.- Evolving Motion of Robots with Muscles.- Behavioural Plasticity in Autonomous Agents: A Comparison between Two Types of Controller.- EvoSTIM Contributions.- DNA Based Algorithms for Some Scheduling Problems.- Learning Action Strategies for Planning Domains Using Genetic Programming.- Routing Using Evolutionary Agents and Proactive Transactions.