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Title
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Risk analysis of laboratory fire accidents in Chinese universities by combining association rule learning and fuzzy Bayesian networks
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Author
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Abstract
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| Targeting the challenges in the risk analysis of laboratory fire accidents, particularly considering fire accidents in Chinese universities, an integrated approach is proposed with the combination of association rule learning, a Bayesian network (BN), and fuzzy set theory in this study. The proposed approach has the main advantages of deriving conditional probabilities of BN nodes based on historical accident data and association rules (ARs) and making good use of expert elicitation by using an augmented fuzzy set method. In the proposed approach, prior probabilities of the cause nodes are determined based on expert elicitation with the help of an augmented fuzzy set method. The augmented fuzzy set method enables the effective aggregation of expert opinions and helps to reduce subjective bias in expert elicitations. Additionally, an AR algorithm is applied to determine the probabilistic dependency between the BN nodes based on the historical accident data of Chinese universities and further derive conditional probability tables. Finally, the developed fuzzy Bayesian network (FBN) model was employed to identify critical causal factors with respect to laboratory fire accidents in Chinese universities. The obtained results show that H4 (bad safety awareness), O1 (improper storage of hazardous chemicals), E1 (environment with hazardous materials), and M4 (inadequate safety checks) are the four most critical factors inducing laboratory fire accidents. |
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Language
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English
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Source (journal)
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Fire
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Publication
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MDPI AG
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2023
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ISSN
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2571-6255
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DOI
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10.3390/FIRE6080306
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Volume/pages
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6
:8
(2023)
, p. 1-18
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Article Reference
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306
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ISI
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001056876600001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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