Thisproceedingsvolumeofthe5thAOISWorkshopisanopportunityforlooking back at ?ve years of organizing AOIS workshops. What did we achieve with the AOIS workshop series? Where were we ?ve years ago, where are we now? Did ourthemeimpactontheinformationsystems?eldinthewaythatwehadhoped for? AOIS workshops have taken place in Seattle, Heidelberg, Stockholm, Austin, Montr eal, Interlaken, Toronto, Bologna, Melbourne, and Chicago, always in c- junction with a major conference on either multiagent systems in arti?cial - telligence (AI/MAS) or information systems (IS). We have tried to innovate in...