insurance companies are important economic institutions in each country and support other economic institutions and good performance of them has an effective role in economic boom. insurance companies to achieve strong and effective performance must be aware of the environment, the competitor and their performance and carry out necessary actions with regard to this information. in this study, t...

in this study, the satisfaction index of new product attribute in terms of development strategy, which includes a number of options for development using kano questionnaire, in the automotive industry was calculated, and according to the relationship between satisfaction and loyalty, instead of loyalty index, we was used satisfaction kano index . then using customer purchase records data within...

The rough relational database model was developed for the management of uncertainty in relational databases. A particular type of knowledge discovery, attribute oriented induction of rules from generalized data is described in this paper. Rough Relational Databases In rough sets (Pawlak 1984) an approximation space is defined on some universe U by defining some equivalence relation that partiti...