The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition

We propose the cosine similarity measures for intuitionistic fuzzy linguistic sets (IFLSs) and interval-valued intuitionistic fuzzy linguistic sets (IVIFLSs), which are expressed by the linguistic scale function based on the cosine function. Then, the weighted cosine similarity measure and the order...

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Main Authors: Donghai Liu, Xiaohong Chen, Dan Peng
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Complexity
Online Access:http://dx.doi.org/10.1155/2018/9073597
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author Donghai Liu
Xiaohong Chen
Dan Peng
author_facet Donghai Liu
Xiaohong Chen
Dan Peng
author_sort Donghai Liu
collection DOAJ
description We propose the cosine similarity measures for intuitionistic fuzzy linguistic sets (IFLSs) and interval-valued intuitionistic fuzzy linguistic sets (IVIFLSs), which are expressed by the linguistic scale function based on the cosine function. Then, the weighted cosine similarity measure and the ordered weighted cosine similarity measure for IFLSs and IVIFLSs are introduced by taking into account the importance of each element, and the properties of the cosine similarity measures are also given. The main advantage of the proposed cosine similarity measures is that the decision-makers can flexibly select the linguistic scale function depending on the actual semantic situation. Finally, we present the application of the cosine similarity measures for intuitionistic fuzzy linguistic term sets and interval-valued intuitionistic fuzzy linguistic term sets to pattern recognition and medical diagnosis, and the existing cosine similarity measures are compared with the proposed cosine similarity measures by the illustrative example.
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series Complexity
spelling doaj-art-6b80e5e5015c4e14831caeaa7cc649b52025-08-20T03:33:46ZengWileyComplexity1076-27871099-05262018-01-01201810.1155/2018/90735979073597The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern RecognitionDonghai Liu0Xiaohong Chen1Dan Peng2School of Business, Central South University, Changsha, Hunan 410075, ChinaSchool of Business, Central South University, Changsha, Hunan 410075, ChinaDepartment of Mathematics, Hunan University of Science and Technology, Xiangtan, Hunan 411201, ChinaWe propose the cosine similarity measures for intuitionistic fuzzy linguistic sets (IFLSs) and interval-valued intuitionistic fuzzy linguistic sets (IVIFLSs), which are expressed by the linguistic scale function based on the cosine function. Then, the weighted cosine similarity measure and the ordered weighted cosine similarity measure for IFLSs and IVIFLSs are introduced by taking into account the importance of each element, and the properties of the cosine similarity measures are also given. The main advantage of the proposed cosine similarity measures is that the decision-makers can flexibly select the linguistic scale function depending on the actual semantic situation. Finally, we present the application of the cosine similarity measures for intuitionistic fuzzy linguistic term sets and interval-valued intuitionistic fuzzy linguistic term sets to pattern recognition and medical diagnosis, and the existing cosine similarity measures are compared with the proposed cosine similarity measures by the illustrative example.http://dx.doi.org/10.1155/2018/9073597
spellingShingle Donghai Liu
Xiaohong Chen
Dan Peng
The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition
Complexity
title The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition
title_full The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition
title_fullStr The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition
title_full_unstemmed The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition
title_short The Intuitionistic Fuzzy Linguistic Cosine Similarity Measure and Its Application in Pattern Recognition
title_sort intuitionistic fuzzy linguistic cosine similarity measure and its application in pattern recognition
url http://dx.doi.org/10.1155/2018/9073597
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