The interest graph is a graph that links people's common interests as a link and is based on sharing common interests, but this sharing is not based on acquaintances between people. Social graphs are socially based on your personal knowledge Links, so circles are limited. According to the above definitions, Which of the following are social graphs:. ['WeChat public account.', 'WeChat circle of friends.', 'Che Youhui.', 'Network community.']