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您的检索式：作者名="Takashi Machimura"
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| 1 | A novel index to evaluate discretization methods: A case study of flood susceptibility assessment based on random forest显示文摘The selection of a suitable discretization method(DM) to discretize spatially continuous variables(SCVs)is critical in ML-based natural hazard susceptibility assessment. However, few studies start to consider the influence due to the selected DMs and how to efficiently select a suitable DM for each SCV. These issues were well addressed in this study. The information loss rate(ILR), an index based on the information entropy, seems can be used to select optimal DM for each SCV. However, the ILR fails to show the actual influence of discretization because such index only considers the total amount of information of the discretized variables departing from the original SCV. Facing this issue, we propose an index, information change rate(ICR), that focuses on the changed amount of information due to the discretization based on each cell, enabling the identification of the optimal DM. We develop a case study with Random Forest(training/testing ratio of 7 : 3) to assess flood susceptibility in Wanan County, China.The area under the curve-based and susceptibility maps-based approaches were presented to compare the ILR and ICR. The results show the ICR-based optimal DMs are more rational than the ILR-based ones in both cases. Moreover, we observed the ILR values are unnaturally small(<1%), whereas the ICR values are obviously more in line with general recognition(usually 10%–30%). The above results all demonstrate the superiority of the ICR. We consider this study fills up the existing research gaps, improving the MLbased natural hazard susceptibility assessments. | Xianzhe Tang Takashi Machimura Wei Liu Jiufeng Li Haoyuan Hong | 2021 | Geoscience Frontiers2021，12，6： | 1 |
| 2 | Biogenic volatile organic compound emission potential of forests and paddy fields in the Kinki region of Japan显示文摘 | Hai Bao Akira Kondo Akikazu Kaga Masaharu Tada Katsutoshi Sakaguti Yoshio Inoue Yoshiyuki Shimoda Daisuke Narumi Takashi Machimura | 2007 | Environmental Research2007，，2： | 1 |
| 3 | Biogenic volatile organic compound emission potential of forests and paddy fields in the Kinki region of Japan显示文摘 | Hai Bao Akira Kondo Akikazu Kaga Masaharu Tada Katsutoshi Sakaguti Yoshio Inoue Yoshiyuki Shimoda Daisuke Narumi Takashi Machimura | 2007 | Environmental Research2007，，2： | 1 |
| 4 | Promoting Sustainability with Ecological,Economic and Social Dimensions in Developing Countries显示文摘Sustainable development is one of the most important ideas,and goals of our time.It is defined as'development which meets the needs and aspirations of the current generation and develops safe and sound society for future generation'.Achieving sustainable development thus involves a vigorous and urgent debate on different dimensions.The different dimensions of sustainability as a framework involve all issues such as science,technology,economic growth and development,health,education,finance investment and trade,politics,natural disasters,population growth and terrorism,etc.No single dimension is responsible to develop sustainable society.This article mainly described the integrated relationship among the three dimensions of sustainability. | Anupam Khajuria Takanori Matsui Takashi Machimura Tohru Morioka | 2009 | Chinese Journal of Population,Resources and Environment2009，7，4： | 0 |
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