Fuzzy tool for customer satisfaction analysis in CRM systems

Nowadays, the concept of CRM systems is very popular. Important aspect of CRM system is customer satisfaction analysis which evaluates customer preferences using questionnaire survey. Currently, there are two main approaches for customer satisfaction analysis. Rough set approach uses decision rules for evaluation of customer preferences. Based on this approach the fuzzy tool for customer analysis is proposed. Fuzzy tool consists of expert system with knowledge base and evaluates questionnaire answers collected from customers. Evaluated results of customer satisfaction analysis are processed and visualized. The proposed fuzzy tool is verified on specific example.