Respiratory infectious disease intimate contact person identification method based on mobile phone data

The invention discloses a respiratory infectious disease intimate contact person identification method based on mobile phone data. The method comprises the following steps: extracting a movement trackand a call relationship according to mobile phone signaling data and mobile phone historical bill data; analyzing a space-time co-occurrence relationship, and judging a potential intimate contact person; extracting space-time co-occurrence and call network characteristics between the potential intimate contact person and the definite case user; constructing a model and optimizing the model; and inputting the space-time co-occurrence and the call network characteristics into the model, and judging and outputting a close contact person and a contact type. The problems that a traditional epidemiological investigation method consumes time and labor and information acquisition is incomplete are solved; the risk that investigators are infected is avoided; the identification result is faster, more accurate and more comp