Risk Analysis and Crisis Management of Novel Coronavirus COVID-19✩

[摘要] After the outbreak of new coronavirus pneumonia, all regions have responded to take measures. Emergency decision-makingplays an important role, directly related to the safety of the people, and more deeply will affect the future of the country. In thispaper, we try to use the wisdom of large groups which are distributed in the social network to deal with the relevant indicators ofthe group big data decision-making model under the maximum likelihood estimation of the complementary judgment matrix,to establish the epidemic risk assessment system of infectious diseases, and to realize the group decision-making and risk analysisbased on the big data.

[关键词] Complementary judgment matrix;big data decision-making;maximum likelihood estimation;infectious disease risk