Parameterized uncertain reasoning approach based on a lattice-valued logic

Authors:
Shuwei Chen;Jun Liu;Hui Wang;Juan Carlos Augusto
Affiliations:
School of Computing and Mathematics, University of Ulster at Jordanstown, Newtownabbey, Northern Ireland, UK;School of Computing and Mathematics, University of Ulster at Jordanstown, Newtownabbey, Northern Ireland, UK;School of Computing and Mathematics, University of Ulster at Jordanstown, Newtownabbey, Northern Ireland, UK;School of Computing and Mathematics, University of Ulster at Jordanstown, Newtownabbey, Northern Ireland, UK
Venue:
ECSQARU'11 Proceedings of the 11th European conference on Symbolic and quantitative approaches to reasoning with uncertainty
Year:
2011

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Abstract

This paper presents a parameterized reasoning approach with uncertainty based on a lattice-valued logic system. In this uncertain reasoning approach, some parameters are used to represent uncertainty arising from different sources, which is a common phenomenon in rule-based systems. In our system, reasoning with different parameter values means reasoning with different levels of belief and consistency. Some methods are presented for selecting appropriate parameter values during the uncertain reasoning process which allow us to find suitable parameter values to meet the diverse practical and theoretical requirements.