The main goal of this paper is to develop an expert system based on fuzzy set theory that will provide more successful and efficient decision making in the area of marketing, in relation with dilemma “to produce or to purchase”. Namely, authors will try to develop a model that will be...

The combined use of Database Management Systems (DBMS)and Artificial Intelligence-based Expert Systems (ES) ispotentially very valuable for modern business applications.The large body of facts usually required in business informationsystems can be made available to an ES through anexisting...