Knowledge sharing has become an important practice in the era of knowledge economy. This paper concerns the management of contributor performance in social knowledge-sharing communities. Based on ability-motivation-opportunity theory, we propose a hidden Markov model to characterize the change...

Weibo, China's largest microblogging platform, has become one of the key information-sharing platforms in modern society. This study examines topic propagation in relation to microblogging from the perspective of the "peer effect." Using data of hot topics from Weibo, we analyze how the social...