In computational social science era, the theory, big data and simulations should be well
combined and deeply integrated, and this work serves as a typical example. Online …

We study the possibility of predicting a social protest (planned, or unplanned) based on
social media messaging. We consider the process called mobilization, described in the …

Social unrest is a powerful mode of expression and organized form of behavior involving
civil disorders and acts of mass civil disobedience, among other behaviors. Nowadays …

Under the mobile internet and big data era, more and more people are discussing and
interacting online with each other. The forming process and evolutionary dynamics of public …

The life cycle pattern is pervasive for both natural and social sciences, from human
behaviors to social systems. Based on the life cycle model of collective actions, the man …

The outbreak of COVID-19 has greatly threatened global public health and produced social
problems, which includes relative online collective actions. Based on the life cycle law …

Unveiling the patterns and mechanisms of human behaviors is the core task of collective
action studies. In terms of the strength (impacts or power) of collective actions, some of them …

Peak Model states that each collective action has a life circle, which contains four periods of
“prepare”,“outbreak”,“peak”, and “vanish”; and the peak determines the max energy and the …

People make decisions on whether they should participate as participants or not as free
riders in collective actions with heterogeneous visions. Besides of the utility heterogeneity …

Besides of traditional (offline) collective actions, more and more people in the big data era
are prone to launch online collective actions via Twitter & Facebook in USA and Weibo & …