Thisbook provides readers with a timely and comprehensive yet concise view on the field of fuzzy logic and its real-world applications. The chapters, writtenby authoritative scholars in the field, report on promising new models for dataanalysis, decision making, and systems modeling, with a special emphasis on theirapplications in management science. The book is a token of appreciation from the fuzzy researchcommunity to Professor Christer Carlsson for his long time research and organizationalcommitment, which have among other things resulted in the foundation and success of theInstitute for Advanced Management Systems Research (IAMSR) at Åbo Akademi University, in Åbo(Turku), Finland.  The book serves as timely guide for the fuzzy logic andoperations research communities alike.