Measuring interaction among cities in China: A geographical awareness approach with social media data

Unlike the large body of research on investigating interactions among cities using survey data, social media-based city interaction study has received much less exploration. Based geographical studies media content in China, we develop a few indices quantifying various levels awareness cities. (1) We find that proxy by can measure Specifically, follows gravitational law and is highly correlated with mobility flows. (2) The spatial in-awareness index (SIAI) an appropriate indicating city's ranking urban hierarchy (3) out-awareness rate (SOAR) indicate from focal to other Our findings also show SOAR predict number people infected during pandemic system. Once origin or hotspots outbreak persons within those are known, use cases for else With this information, governments properly efficiently deliver medical equipment staff where populations infected.