Expertise Knowledge-Based Policy Refinement Process

Policy-based management of information systems enables the specification of high-level policies which need to be refined into lower level configurations suitable to be directly applied to services and final devices in order to achieve the high-level behavior previous specified. This chapter presents a proposal for describing high-level security policies and for carrying out the policy refinement process for which low level policies and configurations are achieved. Firstly, an analysis of different research works related to the specification of security policy is provided. Then, a detailed description of the information model used for describing the information systems and the policies is described. After that, the language designed for specifying high level security policies is explained as well as the low level language based on the Common Information Model. Finally, some aspect about the policy refinement process done in the policy-based system in order to achieve low-level policies from the high-level security policies is outlined together with a description of the tools which can assist in the definition of the security policies and in the process refinement process.

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A Semantic Model to Assist Policy Refinement Mechanisms for NFV-MANO Systems

10.5753/wpietf.2021.15780 ◽

2021 ◽

Author(s):

Michel Bonfim ◽

Fred Freitas ◽

Stenio Fernandes

Keyword(s):

Policy Analysis ◽

Complex Task ◽

Semantic Model ◽

Preliminary Results ◽

Refinement Process ◽

Policy Refinement

Management in NFV scenarios is a complex task. In this scenario, automated policy refinement can be used to enforce NFV-MANO functions to deal with the increased complexity. However, existing solutions do not perform policy analysis. Therefore, in this work, we propose a semantic model in OWL 2, named Onto-Planner, to assist the policy refinement process for NFV-MANO systems. Preliminary results show that Onto-Planner provides policy analysis when a DL reasoner is applied.

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Is the Personal Always Political?

Journal of Individual Differences ◽

10.1027/1614-0001/a000230 ◽

2017 ◽

Vol 38 (3) ◽

pp. 133-143 ◽

Cited By ~ 4

Author(s):

Danny Osborne ◽

Yannick Dufresne ◽

Gregory Eady ◽

Jennifer Lees-Marshment ◽

Cliff van der Linden

Keyword(s):

Survey Data ◽

National Survey ◽

Negative Relationship ◽

Openness To Experience ◽

Political Sophistication ◽

Knowledge Based

Abstract. Research demonstrates that the negative relationship between Openness to Experience and conservatism is heightened among the informed. We extend this literature using national survey data (Study 1; N = 13,203) and data from students (Study 2; N = 311). As predicted, education – a correlate of political sophistication – strengthened the negative relationship between Openness and conservatism (Study 1). Study 2 employed a knowledge-based measure of political sophistication to show that the Openness × Political Sophistication interaction was restricted to the Openness aspect of Openness. These studies demonstrate that knowledge helps people align their ideology with their personality, but that the Openness × Political Sophistication interaction is specific to one aspect of Openness – nuances that are overlooked in the literature.

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