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Mengfan Yao

3 accepted papers

2021

Relaxed Clustered Hawkes Process for Student Procrastination Modeling in MOOCs

AAAI 2021technical

Hawkes processes have been shown to be efficient in modeling bursty sequences in a variety of applications, such as finance and social network activity analysis. Traditionally, these models parameterize each process independently and assume that the history of each point process can be fully observe…

Cited by 13SourcePDFScholar
2019

Automating the Classification of Urban Issue Reports: an Optimal Stopping Approach

ICASSP 2019accepted

Empowering citizens to interact directly with their local governments through civic engagement platforms has emerged as an easy way to resolve urban issues. However, for authorities to manually process reported issues is both impractical and inefficient; accurate, online and near-real-time processin…

Cited by 0SourceScholar
2018

Optimal Online Cyberbullying Detection

ICASSP 2018accepted

Cyberbullying has emerged as a serious societal and public health problem that demands accurate methods for the detection of cyber-bullying instances in an effort to mitigate the consequences. While techniques to automatically detect cyberbullying incidents have been developed, the scalability and t…

Cited by 0SourceScholar