This special issue contains four selected and revised papers from the second international workshop on normative multiagent systems, for short NorMAS07 (Boella et al. In this editorial we discuss the shift, examples, and 10 new challenges in this more dynamic setting, which we use to introduce the papers of this special issue.Keywords Norms · Multiagent Systems · Normative multiagent systems · Social mechanism design · Artifical social systems
Towards a more dynamic interactionist viewTraditionally normative systems have been studied in philosophy, sociology, law, and ethics, and during the past two decades they have been studied in deontic logic in computer science ( EON). Normative multiagent systems is a research area where the traditional normative systems and EON research fields meet agent research. The proposed solutions to the EON research problems are changing, and solutions based on multiagent systems are increasing. Gradually the EON research focus changes from logical relations among norms, to, for