Towards a more meterless parking system: Understanding meter payment behavior and trends in Washington, DC. - Benito O. Perez; Yiwei Ma; Mengran Wang; Xiaomeng Liang; Negin Askarzadeh (IEEE BigData, 2016)

Using automated enforcement data to achieve vision zero goals: A case study. - Jonathan M. Rogers; Soumya S. Dey; Richard Retting; Rahul Jain; Xiaomeng Liang; Negin Askarzadeh (IEEE BigData, 2016)