Complex Science for a Complex World: Exploring Human Ecosystems with Agents

Abstract

List of figures 3.1. Belief-Desire-Intention (BDI) structure of a conative system 3.2. Passive and active perception systems. (Adapted from Ferber 1999) 3.3. Conative system and its two subsystems. (Adapted from: Ferber, 1999) 3.4. Structure of a Consumat agent 3.5. Traditional cycle of interactions during a companion modelling process 4.1. A simulated 100-week record of attendance at El Farol 5.1. Random graphs 5.2. Example of criticality phenomena in the evolution of graphs 5.3. Examples of complex networks 5.4. Erdös-Rényi model of random graph evolution 5.5. Different subgraphs appear at varying threshold probabilities in a random graph (After Albert and Barabási 2002) 5.6. Progressive transition between regular and random graphs 5.7. The Ruy Lopez opening line 5.8. Bobby Fischer's network of immediate opponents 5.9. Prisoners' Dilemma 5.10. The architecture of the Norms and Meta-norms games (After Axelrod 1986) 5.11. Simulation results 6.1. The relationship between the home base and the key sectors for Integration and Implementation Sciences 7.1. Housing development assessment methodology 7.2. The complex housing development system 7.3. Framework of interrelated models for housing development sustainability assessment 7.4. The Sustainability Scale 7.5. Cumulative distribution of mains water use exceeding the sustainability threshold level 7.6. Mains water use frequency distribution and the sustainability threshold level 7.7. Multi-agent representation of a housing development v 7.8. Christie Walk water model conceptualisation 7.9. Christie Walk CO 2 model conceptualisation 7.10. Christie Walk waste model conceptualisation 7.11. Christie Walk economic model conceptualisation 7.12. Christie Walk social model conceptualisation 7.13. Occupant behaviour categories for total waste production 7.14. Architectural plan of the Christie Walk development and the CORMAS model environment representation 7.15. Sustainability Scale Ratings for Christie Walk for the 5 indicators 7.16. Effect of waste production behaviour on waste sustainability 7.17. Effect of recycling behaviour on waste sustainability 7.18. Effect of water use behaviour on water sustainability 7.19. Effect of energy use behaviour on CO 2 sustainability 8.1. A coarse-grained view of NCMAA 8.2. wo-layer architecture in NCMAA 8.3. Influence Network for NCMAA in Warfare 8.4. Command and Control Hierarchy in WISDOM-II 8.5. Influence directions 8.6. Initial position 8.7. Damage of each force over time 8.8. Average degree and average path length of the blue and red communication network over time 8.9. Correlation coefficient between red damage and the knowledge correctness at agent level (left) and force level (right) (window size is 5) 9.1. Structure of the EIM model 9.2. Spatial visualisation of the environment: Quarantine response 9.3. Area infested, contractor scenario 9.4. Area infested, fertiliser scenario 9.5. Receipts per infested farm, contractor scenario 9.6. Receipts per infested farm, fertiliser scenario 10.1. SimDrug Class Diagram (designed with Visu...