Ant Colony Optimization and Swarm Intelligence [electronic resource] : 4th International Workshop, ANTS 2004, Brussels, Belgium, September 5-8, 2004. Proceedings / edited by Marco Dorigo, Mauro Birattari, Christian Blum, Luca Maria Gambardella, Francesco Mondada, Thomas Stützle.

A Comparison Between ACO Algorithms for the Set Covering Problem -- A Comparison Between ACO Algorithms for the Set Covering Problem -- A VLSI Multiplication-and-Add Scheme Based on Swarm Intelligence Approaches -- ACO for Continuous and Mixed-Variable Optimization -- An Ant Approach to Membership Overlay Design -- An Ant Colony Optimisation Algorithm for the Set Packing Problem -- An Empirical Analysis of Multiple Objective Ant Colony Optimization Algorithms for the Bi-criteria TSP -- An External Memory Implementation in Ant Colony Optimization -- BeeHive: An Efficient Fault-Tolerant Routing Algorithm Inspired by Honey Bee Behavior -- Competition Controlled Pheromone Update for Ant Colony Optimization -- Cooperative Transport of Objects of Different Shapes and Sizes -- Deception in Ant Colony Optimization -- Evolution of Direct Communication for a Swarm-bot Performing Hole Avoidance -- Gathering Multiple Robotic A(ge)nts with Limited Sensing Capabilities -- Improvements on Ant Routing for Sensor Networks -- Integrating ACO and Constraint Propagation -- Logistic Constraints on 3D Termite Construction -- Modeling Ant Behavior Under a Variable Environment -- Multi-type Ant Colony: The Edge Disjoint Paths Problem -- On the Design of ACO for the Biobjective Quadratic Assignment Problem -- Reasons of ACO’s Success in TSP -- S-ACO: An Ant-Based Approach to Combinatorial Optimization Under Uncertainty -- Time-Scattered Heuristic for the Hardware Implementation of Population-Based ACO -- Short Papers -- Ad Hoc Networking with Swarm Intelligence -- An Ant Colony Heuristic for the Design of Two-Edge Connected Flow Networks -- An Experimental Analysis of Loop-Free Algorithms for Scale-Free Networks -- An Experimental Study of the Ant Colony System for the Period Vehicle Routing Problem -- An Extension of Ant Colony System to Continuous Optimization Problems -- Ant Algorithms for Urban Waste Collection Routing -- Ants Can Play Music -- Backtracking Ant System for the Traveling Salesman Problem -- Colored Ants for Distributed Simulations -- Dynamic Routing in Mobile Wireless Networks Using ABC-AdHoc -- Fuzzy Ant Based Clustering -- How to Use Ants for Hierarchical Clustering -- Inversing Mechanical Parameters of Concrete Gravity Dams Using Ant Colony Optimization -- Large Pheromones: A Case Study with Multi-agent Physical A* -- Near Parameter Free Ant Colony Optimisation -- Particle Swarm Optimization Algorithm for Permutation Flowshop Sequencing Problem -- Search Bias in Constructive Metaheuristics and Implications for Ant Colony Optimisation -- Task Oriented Functional Self-organization of Mobile Agents Team: Memory Optimization Based on Correlation Feature -- Towards a Real Micro Robotic Swarm -- Posters -- A Hybrid Ant Colony System Approach for the Capacitated Vehicle Routing Problem -- A Swarm-Based Approach for Selection of Signal Plans in Urban Scenarios -- Ant Colony Behaviour as Routing Mechanism to Provide Quality of Service -- Applying Ant Colony Optimization to the Capacitated Arc Routing Problem -- Dynamic Optimization Through Continuous Interacting Ant Colony -- Dynamic Routing in Traffic Networks Using AntNet -- First Competitive Ant Colony Scheme for the CARP -- Hypothesis Corroboration in Semantic Spaces with Swarming Agents -- Mesh-Partitioning with the Multiple Ant-Colony Algorithm.