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Prioritised fuzzy constraint satisfaction problems: axioms, instantiation and validation

Prioritised fuzzy constraint satisfaction problems: axioms, instantiation and validation
Prioritised fuzzy constraint satisfaction problems: axioms, instantiation and validation
This paper identi4es a generic axiom framework for prioritised fuzzy constraint satisfaction problems (PFCSPs), and proposes methods to instantiate it (i.e., to construct speci4c schemes which obey the generic axiom framework). In particular, we give 4ve methods to construct the priority operators that are used for calculating the local satisfaction degree of a prioritised fuzzy constraint, and identify priority T-norm operators that can be used for calculating the global satisfaction degree of a prioritised fuzzy constraint problem. Moreover, a number ofnumerical examples and real examples are used to validate our system, and thus we further obtain some insights into our system. In addition, we explore the relationship between weight schemes and prioritised FCSP schemes, and reveal that the weighted FCSP schemes are the dual ofprioritised FCSP schemes, which can, correspondingly, be called posterioritised FCSP schemes.
Constraint satisfaction, Fuzzy set theory, Priority, Weight, Knowledge engineering, Non-monotonicity, Decision-making
155-188
Luo, X.
a883c26d-debf-44ce-9240-df70f65ddf53
Lee, J.H.
3b88784a-02e7-4b63-b112-3fdb4e1abf4e
Leung, H.
704d9354-b6b8-4d1f-83c5-1095cce20f7d
Jennings, N. R.
ab3d94cc-247c-4545-9d1e-65873d6cdb30
Luo, X.
a883c26d-debf-44ce-9240-df70f65ddf53
Lee, J.H.
3b88784a-02e7-4b63-b112-3fdb4e1abf4e
Leung, H.
704d9354-b6b8-4d1f-83c5-1095cce20f7d
Jennings, N. R.
ab3d94cc-247c-4545-9d1e-65873d6cdb30

Luo, X., Lee, J.H., Leung, H. and Jennings, N. R. (2003) Prioritised fuzzy constraint satisfaction problems: axioms, instantiation and validation. Fuzzy Sets and Systems, 136 (2), 155-188.

Record type: Article

Abstract

This paper identi4es a generic axiom framework for prioritised fuzzy constraint satisfaction problems (PFCSPs), and proposes methods to instantiate it (i.e., to construct speci4c schemes which obey the generic axiom framework). In particular, we give 4ve methods to construct the priority operators that are used for calculating the local satisfaction degree of a prioritised fuzzy constraint, and identify priority T-norm operators that can be used for calculating the global satisfaction degree of a prioritised fuzzy constraint problem. Moreover, a number ofnumerical examples and real examples are used to validate our system, and thus we further obtain some insights into our system. In addition, we explore the relationship between weight schemes and prioritised FCSP schemes, and reveal that the weighted FCSP schemes are the dual ofprioritised FCSP schemes, which can, correspondingly, be called posterioritised FCSP schemes.

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Published date: 2003
Keywords: Constraint satisfaction, Fuzzy set theory, Priority, Weight, Knowledge engineering, Non-monotonicity, Decision-making
Organisations: Agents, Interactions & Complexity

Identifiers

Local EPrints ID: 258550
URI: http://eprints.soton.ac.uk/id/eprint/258550
PURE UUID: d4cfaca6-53c0-4f87-985a-8dc2f6ec4a3d

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Date deposited: 14 Nov 2003
Last modified: 09 Dec 2019 20:16

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