The papers are collected into six parts:
   Ant Colony Optimization
   Differential Evolution
   Immune Systems Methods
   Memetic Algorithms
   Scatter Search and Path Relinking
   Emerging Ideas and Extensions
Contents
  -   Introduction to "New Ideas in Optimization". 1999
-   Marco Dorigo, Gianni Di Caro. The Ant Colony Optimization Metaheuristic. 1999
-   Thomas Stutzle, Marco Dorigo. ACO Algorithms for the Quadratic Assignment Problem. 1999
-   Rene Michel, Marti Middendorf. An ACO Algorithm for the Shortest Common Supersequence Problem. 1999
-   Luca Maria Gambardella, Eric Taillard, Giovanni Agazzi. MACS-VRPTW: A Multiple Ant Colony System for Vehicle Routing Problems with Time Windows. 1999
-   Kenneth V. Price. An Introduction to Differential Evolution. 1999
-   Rainer Storn. Designing Digital Filters with Differential Evolution. 1999
-   Jouni Lampinen, Ivan Zelinka. Mechanical Engineering Design by Differential Evolution. 1999
-   Ken Chisholm. Co-Evolving Draughts Strategies with Differential Evolution. 1999
-   Dipankar Dasgupta. Information Processing in the Immune System. 1999
-   Gary B. Lamont, Robert E. Marmelstein, David A. Van Veldhuizen. A Distributed Architecture for a Self-Adaptive Computer Virus Immune System. 1999
-   Emma Hart, Peter Ross. The Evolution and Analysis of a Potential Antibody Library for Use in Job Shop Scheduling. 1999
-   Prabhat Hajela, Jun Sun Yoo. Immune Network Modelling in Design Optimization. 1999
-   Pablo Moscato. Memetic Algorithms: A Short Introduction. 1999
-   Diana Holstein, Pablo Moscato. Memetic Algorithms Using Guided Local Search: A Case Study. 1999
-   Peter Merz, Bernd Freisleben. Fitness Landscapes and Memetic Algorithm Design. 1999
-   Regina Berretta, Pablo Moscato. The Number Partitioning Problem: An Open Challenge for Evolutionary Computation?. 1999
-   Pablo E. Coll, Guillermo A. Duran, Pablo Moscato. On Worst-Case and Comparative Analysis as Design Principles for Efficient Recombination Operators: A Graph Coloring Case Study. 1999
-   Fred Glover. Scatter Search and Path Relinking. 1999
-   Mohammad M. Amini, Bahram Alidaee, Gary A. Kochenberger. A Scatter Search Approach to Unconstrained Quadratic Binary Programs. 1999
-   Vicente Campos, Manuel Laguna, Rafael Marti. Scatter Search for the Linear Ordering Problem. 1999
-   Colin R. Reeves, Takeshi Yamada. Goal-Oriented Path Tracing Methods. 1999
-   Jan Paredis. Constraint Satisfaction with Coevolution. 1999
-   Robert G. Reynolds. Cultural Algorithms: Theory and Applications. 1999
-   James Kennedy, Russell C. Eberhart. The Particle Swarm: Social Adaptation in Information Processing Systems. 1999
-   Agoston (Gusz) E. Eiben, Jano van Hemert. SAW-ing EAs: Adapting the Fitness Function for Solving Constrained Problems. 1999
-   Riccardo Poli. Parallel Distributed Genetic Programming. 1999
-   Rafal Salustowicz, Jurgen Schmidhuber. From Probabilities to Programs with Probabilistic Incremental Program Evolution. 1999