A relational model of data for large shared data banks
Communications of the ACM
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Two obstacles frequently encountered by model builders in personnel planning are the lack of data on the personal dynamics of organizations and of flexible software systems for execution of models tailored to particular organizations and issues. In this paper we present the main ideas behind the INTERACTIVE FLOW SIMULATOR, a software system constructed to avoid these difficulties. A procedure for building longitudinal personnel databases is outlined. An algorithmic view of discrete time models which encompasses a wide class of personnel planning and other models is presented.