Author
Listed:
- Mingzhi Song
(School of Civil and Ocean Engineering, Jiangsu Ocean University, Lianyungang 222000, China)
- Zheng Zhu
(School of Civil and Ocean Engineering, Jiangsu Ocean University, Lianyungang 222000, China)
- Peipei Wang
(School of Civil and Ocean Engineering, Jiangsu Ocean University, Lianyungang 222000, China)
- Kun Wang
(School of Mechanical Aerospace and Civil Engineering, The University of Manchester, Manchester M13 9PL, UK)
- Zhenqi Li
(School of Civil and Ocean Engineering, Jiangsu Ocean University, Lianyungang 222000, China)
- Cun Feng
(School of Civil and Ocean Engineering, Jiangsu Ocean University, Lianyungang 222000, China)
- Ming Shan
(School of Civil and Ocean Engineering, Jiangsu Ocean University, Lianyungang 222000, China)
Abstract
In developing countries, decision-making regarding old rural houses significantly relies on expert site investigations, which are criticized for being resource-demanding. This paper aims to construct an efficient Bayesian classifier for house safety and habitability risk evaluations, enabling people with none-civil-engineering backgrounds to make judgements comparable with experts so that house risk levels can be checked regularly at low costs. An initial list of critical risk factors for house safety and habitability was identified with a literature review and verified by expert discussions, field surveys, and Pearson’s Chi-square test of independence with 864 questionnaire samples. The model was constructed according to the causal mechanism between the verified factors and quantified using Bayesian belief network parameter learning. The model reached relatively high accuracy rates, ranging from 91.3% to 100.0% under different situations, including crosschecks with unused expert judgement samples with full input data, crosschecks with unused expert judgement samples with missing input data, and those involving local residents’ judgement. Model sensitivity analyses revealed walls; purlins and roof trusses; and foundations as the three most critical factors for safety and insulation and waterproofing; water and electricity; and fire safety for habitability. The identified list of critical factors contributes to the rural house evaluation and management strategies for developing countries. In addition, the established Bayesian classifier enables regular house checks on a regular and economical basis.
Suggested Citation
Mingzhi Song & Zheng Zhu & Peipei Wang & Kun Wang & Zhenqi Li & Cun Feng & Ming Shan, 2023.
"An Alternative Rural Housing Management Tool Empowered by a Bayesian Neural Classifier,"
Sustainability, MDPI, vol. 15(3), pages 1-18, January.
Handle:
RePEc:gam:jsusta:v:15:y:2023:i:3:p:1785-:d:1038839
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