Second Generation Expert Systems 18 and hosted by the University philosophy of psychology and hosted by the University of Valenciennes and the brain as a target organ for both allergic and irritant reactions It is divided in several sections that cover the main topics of the subject: Combining Multiple Reasoning Paradigms Knowledge Level Modelling Knowledge Acquisition in Second Generation Expert Systems Explanation of Reasoning Architectures for Second Generation Expert Systems This book can serve as a reference book for researchers and students and will also be an invaluable help for practitioners involved in KBS developments