This Festschrift volume is published in honor of Takao Terano on the occasion of his retirement. Takao Terano is a leading expert in the areas of agent-based modelling, knowledge systems, evolutionary computation, and service science.

This Is How I Feel about Complex Systems. - Articial Intelligence Technology and Social Problem Solving. - A Formal Model of Managerial Decision Making for Business Case Description. - Evolutionary Computation meets Multi-Agent Systems for Solving Optimization Problems. - A Practice Report on the Active Learning using Business Game for the Teaching Training Course Students. - Framework of Evaluating Business Partner Recommendation beyond Industry Types toward Virtual Corporation. - Analysis of Researchers using Network Centralities of Co-authorship from the Academic Literature Database. - Debrieng Framework for Business Games Using Simulation Analysis. - Applications of Evolutionary Computation and Articial Intelligence in Metallurgical Industry. - Evolutionary Computation and Articial Intelligence for Business