Assessment of natural disaster emergency relief demand based on Microblog data

ZHOU Yiqi; TIAN Xiangliang; ZHONG Maohua

doi:10.16511/j.cnki.qhdxxb.2022.22.046

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Journal of Tsinghua University(Science and Technology) ›› 2022, Vol. 62 ›› Issue (10) : 1626-1635. DOI: 10.16511/j.cnki.qhdxxb.2022.22.046

DISASTER PREVENTION AND MITIGATION

Assessment of natural disaster emergency relief demand based on Microblog data

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Abstract

Real-time social media data can be used to improve data timeliness and accuracy during disaster emergency responses.The key disaster area needs are prioritized here using a disaster relief index system for emergency rescue and command support needs,post-disaster emergency rescue needs,basic living support needs and public infrastructure support needs.The emergency relief evaluation model uses entropy weights and the grey improvement technique for order preference by similarity to an ideal solution (TOPSIS).The method is applied to the typhoon Lekima response as an example to assess the specific emergency rescue needs in the cities of affected provinces to verify the effectiveness of this disaster evaluation model by comparison with disaster loss data.

Key words

emergency assistance / Microblog / network public opinion / needs assessment / natural disaster

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ZHOU Yiqi, TIAN Xiangliang, ZHONG Maohua. Assessment of natural disaster emergency relief demand based on Microblog data[J]. Journal of Tsinghua University(Science and Technology). 2022, 62(10): 1626-1635 https://doi.org/10.16511/j.cnki.qhdxxb.2022.22.046

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