Hi, We are two students in Science of Information at University of Milan. We need for our thesis some information about MKS: - Knowledge rappresentation technique (rules, frames...); - Inference engine: reasoning mode (backward-chaining, forward-chaining...) search strategy (breadth-first, depth-firts, RETE algorithm...) conflict resolution (Rule-assigned priority...) ...; - Implementation language ; - Reasoning Technology (case-base reasoning, model-base reasoning...); - Documentation (tutorial, user manual...); - Charge; - Platform; - Interfa If you know other expert system shells we would like to know:ce; - Integrability; Thanks in advance, Paola Cincotto e Monica Montenegro