نتایج جستجو برای: based policy
تعداد نتایج: 3127694 فیلتر نتایج به سال:
With the advent of mobile computing devices and cheap location sensing systems, location information has become an important resource both for mobile and`desktop' users. In this paper, we describe some key concepts a scalable ubiquitous location service should be based on. Firstly, we show how such a service can accommodate multiple location sensing systems. Secondly, we discuss hierarchy-based...
We read with interest ‘‘Does Deworming Improve Growth and School Performance in Children?’’ (published in this issue [1]), a summary of the 2007 Cochrane systematic review by David Taylor-Robinson and colleagues. Their previous systematic review [2], published in the BMJ, has been subject to substantial criticism by various authors and institutions [3–7]. Taylor-Robinson and colleagues have now...
The security configuration of large networked ICT systems is a difficult and error-prone task. Quite often attacks are enabled by mis-configurations generated by human errors. Policybased network management has been proposed to cope with this problem: goals are expressed as high-level rules that are then translated into low-level configurations for network devices. While the concept is clear, t...
India has over a century old tradition of development and production of vaccines. The Government rightly adopted self-sufficiency in vaccine production and self-reliance in vaccine technology as its policy objectives in 1986. However, in the absence of a full-fledged vaccine policy, there have been concerns related to demand and supply, manufacture vs. import, role of public and private sectors...
Privacy is considered critical for all organizations needing to manage individual related information. As such, there is an increasing need for access control models which can adequately support the specification and enforcement of privacy policies. In this paper, we propose a model, referred to as Conditional Privacy-aware Role Based Access Control (P-RBAC), which supports expressive condition...
This tutorial presents the definition, the models and the techniques of location privacy from the data privacy perspective. By reviewing and revising the state of art research in data privacy area, the presenter describes the essential concepts, the alternative models, and the suite of techniques for providing location privacy in mobile and ubiquitous data management systems. The tutorial consi...
This paper combines agent-based modeling of structural change with agricultural policy analysis. Using the agent-based model AgriPoliS, we investigate the impact of a regime switch in agricultural policy on structural change under various framework conditions. Instead of first doing a sensitivity analysis to analyze the properties of our model and then examining the introduced policy in an isol...
When is it okay to lie? And what constitutes a lie, anyway? This paper examines the notion of lying in agent-based systems, focusing on dialogues and situations where it is acceptable for agents to utter locutions that contradict their beliefs. We examine situations in human and animal behavior where lying — acting or making statements that contradict one’s set of beliefs — is considered to be ...
Executive summary The right incentives are vital to the success of economic regulation. Without them, companies may act in ways that are contrary to the regulator's aims, which may be contrary to the interest of consumers and in the longer term to those of the companies themselves and society more widely. The modern science of behavioural economics is being used increasingly by marketing depart...
This report provides an overview of the existing approaches to logic and rule-based system behavior specification in the light of the peculiar needs of business and security rules. It identifies usage scenarios for rule based policies in a semantic web context and it outlines the possible directions of future research. Keyword List semantic web, reasoning, security, trust, reputation, action la...
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