32. A method as claimed in claim 31 wherein the step of executing knowledge sources includes the steps of: executing rule-based knowledge sources having a forward-chaining belief propagation scheme including rules in if-then-else form with associated levels of belief; and executing case-based knowledge sources having a data comparison scheme including predefined patterns and conditions.
33. A method as claimed in claim 32 wherein the step of executing case-based knowledge sources includes the step of inferring to be true the conditions if a certain level of closeness is found between received data and the patterns.