Motivated by applications in health care systems, this study focused on queueing network models with instances of simultaneous resource possession under capacity restrictions in different stages. Customers during service at certain nodes in the first-level or primary system may simultaneously need service from a second-level server. In this…

Technological advances in nonproprietary software are discussed. Developments in general support of software and in computer hardware are examined. It is suggested that nonproprietary software is a resource that can save colleges and universities system development time and costs. (Author/SF)

Intended to provide assistance to non-technical end-users in evaluating the applicability of microcomputer-based systems to their needs and in choosing appropriate systems, this document recommends first identifying requirements and then identifying and evaluating alternative sources for application software, system software and hardware, and…

Proprietary software available to the institutional researcher is discussed. It is suggested that as more institutions use proprietary software, the institutional researcher may find that varying levels of involvement in the process of evaluating and acquiring such software can result in the availability of more useful facilities. (Author/SF)