Article ; Online: Fuzzy Cognitive Map-Driven Comprehensive Time-Series Classification.
IEEE transactions on cybernetics
2023 Volume 53, Issue 2, Page(s) 1348–1359
Abstract: This article presents a comprehensive approach for time-series classification. The proposed model employs a fuzzy cognitive map (FCM) as a classification engine. Preprocessed input data feed the employed FCM. Map responses, after a postprocessing ... ...
Abstract | This article presents a comprehensive approach for time-series classification. The proposed model employs a fuzzy cognitive map (FCM) as a classification engine. Preprocessed input data feed the employed FCM. Map responses, after a postprocessing procedure, are used in the calculation of the final classification decision. The time-series data are staged using the moving-window technique to capture the time flow in the training procedure. We use a backward error propagation algorithm to compute the required model hyperparameters. Four model hyperparameters require tuning. Two are crucial for the model construction: 1) FCM size (number of concepts) and 2) window size (for the moving-window technique). Other two are important for training the model: 1) the number of epochs and 2) the learning rate (for training). Two distinguishing aspects of the proposed model are worth noting: 1) the separation of the classification engine from pre- and post-processing and 2) the time flow capture for data from concept space. The proposed classifier joins the key advantage of the FCM model, which is the interpretability of the model, with the superior classification performance attributed to the specially designed pre- and postprocessing stages. This article presents the experiments performed, demonstrating that the proposed model performs well against a wide range of state-of-the-art time-series classification algorithms. |
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Language | English |
Publishing date | 2023-01-13 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 2168-2275 |
ISSN (online) | 2168-2275 |
DOI | 10.1109/TCYB.2021.3133597 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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