منابع مشابه
Applications of system dynamics modelling to support health policy.
INTRODUCTION The value of systems science modelling methods in the health sector is increasingly being recognised. Of particular promise is the potential of these methods to improve operational aspects of healthcare capacity and delivery, analyse policy options for health system reform and guide investments to address complex public health problems. Because it lends itself to a participatory ap...
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OBJECTIVE Both regional health information systems (rHIS) and hospital information systems (HIS) need systematic information management. Due to their complexity information management needs a thorough description or model of the managed information system. METHODS The three layer graph-based meta-model (3LGM(2)) and the 3LGM(2) tool provide means for effectively describing and modeling HIS by...
متن کاملOrganization Modelling to Support Access Control for Collaborative Systems
One of the most important characteristics of current enterprise systems is the existence of collaborative processes where different users/subsystems communicate and cooperate in order to carry out common activities. In these processes, shared resources are often used and there are complex relationships between activities and users, so the definition and administration of different security leve...
متن کاملAnimal health: Global support for diagnosing infectious diseases
by Peter F. W hat do domesticated animals contribute to Wright the well being of mankind? Perhaps the first thing that comes to mind is food: meat, poultry, and dairy products. Animals also provide other materials such as wool and leather. In some areas of the world, draught animals still play a major and vital role in farming and transportation. A number of factors, however, may adversely affe...
متن کاملTowards flexible decision support in the control of animal epidemics.
Decision-making in the control of animal epidemics is a dynamic and flexible process. Facing uncertainties about the consequences of control options, flexible decision-making can avoid unnecessary control costs through learning and adjusting. While recognising the importance and complexity of decision-making, research has paid little attention to flexibility in deciding whether and when to use ...
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ژورنال
عنوان ژورنال: Agricultural Economics
سال: 1991
ISSN: 0169-5150,1574-0862
DOI: 10.1111/j.1574-0862.1991.tb00157.x