期刊
EXPERT SYSTEMS WITH APPLICATIONS
卷 122, 期 -, 页码 65-74出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2018.12.042
关键词
Assertive reasoning; C4.5 decision tree; Decision support system; Emergency management; Knowledge elements
类别
资金
- National Natural Science Foundation of China [71473279, 71673315, 71703182]
- National Social Science Fund of China [15ZDC024]
- Program for Innovation Research at the Central University of Finance and Economics
- Fundamental Research Funds for the Central Universities
- China Scholarship Council [201806495014]
The correct selection of knowledge elements is the key to emergency management. Using emergency knowledge elements, this study constructs an assertive reasoning selection methodology by improving acquisition on the balance coefficient in the C4.5 algorithm. Through hierarchical representation, a two level model selection method, based on a top model construction process as well as an underlying model selection process, is proposed. Specifically, the top model construction process is based on assertive reasoning and an underlying model selection process is based on the C4.5 decision tree. This method reduces the requirements for emergency domain knowledge, and improves the accuracy and timeliness. Lastly, the methodology is applied to the 2015 Tianjin explosions as a case study. (C) 2018 Elsevier Ltd. All rights reserved.
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