Coordination, Organizations, Institutions, Norms, and Ethics for Governance of Multi-Agent Systems XIII International Workshops COIN 2017 and COINE 2020, Sao Paulo, Brazil, May 8-9, 2017 and Virtual Event, May 9, 2020, Revised Selected Papers

This book constitutes the thoroughly refereed post-conference proceedings of the International Workshop on Coordination, Organizations, Institutions, and Norms for Governance of Multi-Agent Systems, COIN 2017, co-located with AAMAS 2017, and the International Workshop on Coordination, Organizations, Institutions, Norms and Ethics for Governance of Multi-Agent Systems, COINE 2020, co-located with AAMAS 2020. The COIN 2017 workshop  was held in Sao Paulo, Brazil, in May 2017 and the  COINE 2020 workshop was held virtually, in May 2020.

The 9 full papers and 1 short paper were carefully reviewed and selected from a total of 20 submissions for inclusion in this volume and cover the following topics: empirical applications of COINE technologies; emergence and social metrics; and conceptual frameworks and architectures.

Norm conflict identification using a convolutional neural network.- Norm violation in online communities – A study of stack overflow comments.- Mining international political norms from the GDELT database.- Developers’ responses to app review feedback – A study of communication norms in app development.- Convention emergence in partially observable topologies.- Improving confidence in the estimation of values and norms.- Should I tear down this wall? Optimizing social metrics by evaluating novel actions.- Impact of different belief facets on agents’ decision - a refined cognitive architecture to model the interaction between organisations’ institutional characteristics and agents’ behaviour.- A norm emergence framework for normative MAS.- Social rules for agent systems.