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On aggregating uncertain information by type-2 OWA operators for soft decision making

Shang-ming Zhou Orcid Logo, Robert I John, Francisco Chiclana, Jonathan M Garibaldi

International Journal of Intelligent Systems, Volume: 25, Issue: 6, Pages: 540 - 558

Swansea University Author: Shang-ming Zhou Orcid Logo

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DOI (Published version): 10.1002/int.20420

Abstract

Yager's ordered weighted averaging (OWA) operator has been widely used in soft decision making to aggregate experts' individual opinions or preferences for achieving an overall decision. The traditional Yager's OWA operator focuses exclusively on the aggregation of crisp numbers. Howe...

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Published in: International Journal of Intelligent Systems
ISSN: 0884-8173 1098-111X
Published: 2010
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URI: https://cronfa.swan.ac.uk/Record/cronfa10067
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spelling 2019-07-17T15:01:46.9354149 v2 10067 2012-03-21 On aggregating uncertain information by type-2 OWA operators for soft decision making 118578a62021ba8ef61398da0a8750da 0000-0002-0719-9353 Shang-ming Zhou Shang-ming Zhou true false 2012-03-21 BMS Yager's ordered weighted averaging (OWA) operator has been widely used in soft decision making to aggregate experts' individual opinions or preferences for achieving an overall decision. The traditional Yager's OWA operator focuses exclusively on the aggregation of crisp numbers. However, human experts usually tend to express their opinions or preferences in a very natural way via linguistic terms. Type-2 fuzzy sets provide an efficient way of knowledge representation for modeling linguistic terms. In order to aggregate linguistic opinions via OWA mechanism, we propose a new type of OWA operator, termed type-2 OWA operator, to aggregate the linguistic opinions or preferences in human decision making modeled by type-2 fuzzy sets. A Direct Approach to aggregating interval type-2 fuzzy sets by type-2 OWA operator is suggested in this paper. Some examples are provided to delineate the proposed technique. Journal Article International Journal of Intelligent Systems 25 6 540 558 0884-8173 1098-111X 30 6 2010 2010-06-30 10.1002/int.20420 COLLEGE NANME Biomedical Sciences COLLEGE CODE BMS Swansea University 2019-07-17T15:01:46.9354149 2012-03-21T16:17:09.0000000 Faculty of Medicine, Health and Life Sciences Swansea University Medical School - Medicine Shang-ming Zhou 0000-0002-0719-9353 1 Robert I John 2 Francisco Chiclana 3 Jonathan M Garibaldi 4 0010067-26042019163333.pdf INT20420_001-019.pdf 2019-04-26T16:33:33.1570000 Output 941067 application/pdf Accepted Manuscript true 2019-04-26T00:00:00.0000000 true eng
title On aggregating uncertain information by type-2 OWA operators for soft decision making
spellingShingle On aggregating uncertain information by type-2 OWA operators for soft decision making
Shang-ming Zhou
title_short On aggregating uncertain information by type-2 OWA operators for soft decision making
title_full On aggregating uncertain information by type-2 OWA operators for soft decision making
title_fullStr On aggregating uncertain information by type-2 OWA operators for soft decision making
title_full_unstemmed On aggregating uncertain information by type-2 OWA operators for soft decision making
title_sort On aggregating uncertain information by type-2 OWA operators for soft decision making
author_id_str_mv 118578a62021ba8ef61398da0a8750da
author_id_fullname_str_mv 118578a62021ba8ef61398da0a8750da_***_Shang-ming Zhou
author Shang-ming Zhou
author2 Shang-ming Zhou
Robert I John
Francisco Chiclana
Jonathan M Garibaldi
format Journal article
container_title International Journal of Intelligent Systems
container_volume 25
container_issue 6
container_start_page 540
publishDate 2010
institution Swansea University
issn 0884-8173
1098-111X
doi_str_mv 10.1002/int.20420
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str Swansea University Medical School - Medicine{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}Swansea University Medical School - Medicine
document_store_str 1
active_str 0
description Yager's ordered weighted averaging (OWA) operator has been widely used in soft decision making to aggregate experts' individual opinions or preferences for achieving an overall decision. The traditional Yager's OWA operator focuses exclusively on the aggregation of crisp numbers. However, human experts usually tend to express their opinions or preferences in a very natural way via linguistic terms. Type-2 fuzzy sets provide an efficient way of knowledge representation for modeling linguistic terms. In order to aggregate linguistic opinions via OWA mechanism, we propose a new type of OWA operator, termed type-2 OWA operator, to aggregate the linguistic opinions or preferences in human decision making modeled by type-2 fuzzy sets. A Direct Approach to aggregating interval type-2 fuzzy sets by type-2 OWA operator is suggested in this paper. Some examples are provided to delineate the proposed technique.
published_date 2010-06-30T03:10:41Z
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score 11.012678

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