NDLI: A new crowdsourcing model to assess disaster using microblog data in typhoon Haiyan

Content Provider	Springer Nature Link
Author	Deng, Qing Liu, Yi Zhang, Hui Deng, Xiaolong Ma, Yefeng
Copyright Year	2016
Abstract	Risk prediction and damage assessment play critical roles in disaster response to reduce losses. Social media can serve as crowdsourcing platforms for disaster information dissemination and data mining. Using typhoon Haiyan as an example, a close relationship between social media and disaster damage estimation is demonstrated, which provides a new perspective for disaster preparedness and response. Based on disaster-related social media data, a new index model is developed for situation awareness and damage assessment before, during, and after disasters. The difference between the new index model and traditional ones is that the new index is extracted from microblogs using semantic analysis method. The score of each index is determined by the emergency management experts. The weight is calculated based on TF-IDF method, a classical term frequency weight method. Based on the new index model, quantitative assessment is added to qualitative analysis. The assessment result is consistent with actual situation, which underlines the feasibility of implementation of the new model.
Starting Page	1241
Ending Page	1256
Page Count	16
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	84
Issue Number	2
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-07-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Damage assessment Microblog data Index model Crowdsourcing Typhoon response Natural Hazards Hydrogeology Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Civil Engineering Environmental Management
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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