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Articles 1 - 4 of 4
Full-Text Articles in Health Information Technology
Dynamic Decision Modeling In Medicine: A Critique Of Existing Formalisms, Tze-Yun Leong
Dynamic Decision Modeling In Medicine: A Critique Of Existing Formalisms, Tze-Yun Leong
Research Collection School Of Computing and Information Systems
Dynamic decision models are frameworks for modeling and solving decision problems that take into explicit account the effects of time. These formalisms are based on structural and semantical extensions of conventional decision models, e.g., decision trees and influence diagrams, with the mathematical definitions of finite-state semi-Markov processes. This paper identifies the common theoretical basis of existing dynamic decision modeling formalisms, and compares and contrasts their applicability and efficiency. It also argues that a subclass of such dynamic decision problems can be formulated and solved more effectively with non-graphical techniques. Some insights gained from this exercise on automating the dynamic decision …
Health Care Information Systems Management: Structure And Infrastructure, Binshan Lin
Health Care Information Systems Management: Structure And Infrastructure, Binshan Lin
Journal of International Information Management
The practice of medicine is inextricably entwined with the management of health care information system (HCIS). Major problems with HCIS are that it has not evolved from the needs of end users, and lacks of an organizational base^ to manage the HCIS in the health care environment. The object of this paper is to examine a direction to effectively support and enhance the health care activities through managing HCIS. An integrated focus is provided through a framework for analyzing the structure and infrastructure of HCIS in hospitals.
Applying A Systems Approach To Mis Design For Occupational Health Care Delivery, Charmayne Cullom
Applying A Systems Approach To Mis Design For Occupational Health Care Delivery, Charmayne Cullom
Journal of International Information Management
Decision making in occupational health care management is complex due to the various parties involved in receiving, delivering, and/or paying for^ these services. This paper presents the view of MIS to support occupational health care as a system using Anthony's Paradigm to provide the decision making structure. Informational requirements reflect the hierarchy of strategic, tactical, and operational levels. A matrix of occupational health care services, responsibilities, and participants is utilized. Such matrix provides the foundation to couple needs and requirements of all participants with information system specifications.
Lattice Boltzmann Thermohydrodynamics, F. J. Alexander, S. Chen, J. D. Sterling
Lattice Boltzmann Thermohydrodynamics, F. J. Alexander, S. Chen, J. D. Sterling
Business and Information Technology Faculty Research & Creative Works
We introduce a lattice Boltzmann computational scheme capable of modeling thermohydrodynamic flows of monatomic gases. The parallel nature of this approach provides a numerically efficient alternative to traditional methods of computational fluid dynamics. The scheme uses a small number of discrete velocity states and a linear, single-time relaxation collision operator. Numerical simulations in two dimensions agree well with exact solutions for adiabatic sound propagation and Couette flow with heat transfer. © 1993 The American Physical Society.