The success of prediction models for business purposes should not be measured by their accuracy only. Their evaluation should also take into account the higher importance of precise prediction for “valuable” customers. We illustrate this idea through the example of churn modeling in telecommunications, where it is obviously much more important to identify potential churn among valuable customer...

The standard economic choice model assumes that the decision maker chooses from sets of alternatives. In contrast, we analyze a choice model in which the decision maker encounters the alternatives in the form of a list. We present two axioms similar in nature to the classical axioms of choice from sets. We show that they characterize all the choice functions from lists that involve the choice o...

This paper considers the role of corruption in impelling capital flight. Identifying corruption as one dimension of poor governance, the empirical analysis explores direct linkages between corruption and capital flight in a broad sample of countries. The novelty of this investigation is that it is based on a portfolio choice model of asset allocation that explicitly recognizes corruption as con...

The H and C chemical shifts of flavone and its five derivatives were determined completely using the basic 1D and 2D NMR experiments and molecular modeling. Of the six compounds used for our experiments, the NMR data of three compounds were published previously, but we found that the data of two compounds included wrong assignments. Therefore, we report the corrected data and the complete assig...

Vital statistics data offer a fertile ground for data mining. In this paper, we discuss the results of a data mining project on the causes of death aspect of the vital statistics data in the state of California. A data mining tool called Cubist is used to build predictive models out of two million cases over a nine-year period. The objective of our study is to discover knowledge that can be use...

Enterprise modelling (EM) is concerned with discovering, structuring and representing domain knowledge pertaining to different aspects of an organization. Participative EM, in particular, is a useful approach to eliciting this knowledge from domain experts with different backgrounds. In related work, tangible modelling – modelling with physical objects – has been identified as beneficial for gr...

identification and selection of entrepreneurial businesses, are key activities to encourage people to do entrepreneuship. the majer goal of the current study is to identify, and prioritize the effective components in selection off superior entrepreneurial businesses.the research method is mixed method . friedman rank test has been used to analyze the data. the findings has revealed that the fol...

Modelling the software architectures of large systems is a challenging task. A wide variety of abstractions are required by developers to assist them inions are required by developers to assist them in describing and analysing such architectures, including information about the components and relationships that comprise a system, the static and dynamic structure of the system, and the behaviour...