Research for Computer Programs

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SOME MATHEMATICAL METHODS FOR MODELING THE PERFORMANCE OF A DISTRIBUTED DATA BASE SYSTEM
June 1, 1982
This paper presents some mathematical methods for evaluating the performance of a distributed data base system (DDBS).
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THE VALUE OF STABLE EMPLOYMENT AS INFERRED FROM MARKET WAGES
August 1, 1981
This paper estimates the value employees place on stable employment. Here the term 'stable employment' means a relatively low probability of temporary and/or permanent layoffs. This value is estimated by regressing individual wage rates on exogenous variables and proxy variables for unstable employment. The sign and size of the coefficients on these proxy variables in the wage equation measures the value of stable employment in terms of the hourly wage rate. The wage equation is estimated using the Michigan and Parnes survey data. The results indicate that the wage elasticity with respect to instability is .3. This means that if one industry is 50 percent more stable than another, then other things equal, the more stable industry would have a 15 percent lower wage rate.
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A MARKOV APPROACH TO LARGE MISSILE ATTACKS
February 1, 1981
This paper calculates the distribution of the number of survivors of a set number of attacks with given parameters, for various missile-allocation situations, and the expected number of missiles fired. The emphasis is on eliminating the complexity arising from a large number of missiles attacking simultaneously. Computer programs for these calculations are presented in Appendix A.
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BRIDGE: An Interactive Dialogue Generation Facility
February 1, 1981
This paper introduces an interactive programming system for the generation of man-computer dialogues. The system consists of an integrated set of tools that are used to define and generate the software for a variety of dialogues. The system is capable of generating dialogues for computer assisted instruction, data processing, and the programming of special purpose applications.
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USING PERSONNEL DISTRIBUTION MODELS
February 1, 1981
Two models are developed. One is an aggregate model based on a simplified force structure and steady-state assumption; the other is an expanded model based on a more detailed dynamic simulation of personnel flows in a rating or detailing community.
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SIMULATION EXPERIMENTATION AND CONTEXT
February 1, 1981
This paper discusses the trend among simulation designers toward the construction of models of the 'middle range' that are designed in an attempt to resolve the tension between the 'contextual particularity' of events and the apparent order and organization of events in the form of general laws and theory. This paper underscores this preference both in comparison to more abstract experiments designed to uncover general laws and 'real world' experiments designed to describe the uniqueness of particular events.
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EVALUATION OF COMPUTER SOFTWARE IN AN OPERATIONAL ENVIRONMENT
February 1, 1981
This paper examines general procedures for testing military real-time operational software from the user's perspective. A summary of industrial software testing is given with an evaluation of its applicability to the military's requirement for operational testing.
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COUNTERFORCE EFFECTIVENESS, A COMPARISON OF THE TSIPIS K MEASURE AND A COMPUTER SIMULATION
February 1, 1981
The data used by Robert Leggett in projecting U.S. and Soviet counterforce effectiveness through the 1980s is reexamined using AEM, a computer simulation of strategic war. The counterforce effectiveness of the U.S. and Soviet strategic forces, as measured by the number of surviving intercontinental ballistic missiles, does not confirm Leggett and Tsipis' findings.
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RELATING RESOURCES TO READINESS
September 1, 1980
This study examines the feasibility of developing a quantitative resource to readiness model. A hierarchy for potential definitions of readiness is presented and the conceptual flow of resources into this hierarchy is illustrated. Existing data systems and models are surveyed, and their constraint on a comprehensive model's development is discussed. Recommendations are made for funding and managing future resource to readiness research.
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THE ENLISTED REQUIREMENTS PLANNER (ENREP)
January 1, 1980
ENREP projects enlisted manpower requirements by rating and paygrade for any given set of ship and aircraft force levels for the 15 years covered by the POM and EPA. It adds the dimension of quality of personnel to projections of requirements and can be used to assess the effects of alternative force mixes and manning policies on requirements. ENREP draws figures for ship and aircraft forces and their corresponding manning factors from the Navy Resource Model (NARM), and a normalized distribution of ratings and paygrades from Enlisted Billet File. The user can override these inputs and moreover change the assumptions of the projection.
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