Combined course programmes generation in multi-agent e-learning system using policy-based HTN planning

Authors:
Pavel Nikolaev;Aladdin Ayesh
Affiliations:
De Montfort University, Leicester, UK;De Montfort University, Leicester, UK
Venue:
KES-AMSTA'11 Proceedings of the 5th KES international conference on Agent and multi-agent systems: technologies and applications
Year:
2011

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Abstract

As integration processes have been intensified in the area of higher education, they should be supported by information technologies. A Combined Course Programmes (CCP) generation mechanism based on HTN planning was developed for a multi-agent system, managing the distributed e-Learning environment. The limitations of HTN planning were overcome by XACML policy language, that was used for specification of preconditions. This improves the expressiveness and facilitates planning in a multi-domain environment supported by different experts. In order to improve the effectiveness of HTN planning in the multi-domain hierarchical environment, a domain refinement technique was designed. Its efficiency gains were confirmed by experiments.