Published on in Vol 21, No 5 (2019): May
1 Teachers College, Columbia University, New York, NY, United States
2 Social Computing Department, Qatar Computing Research Institute, Hamad Bin Khalifa University, Doha, Qatar
3 Microsoft Research, Redmond, WA, United States
4 Microsoft Research, Herzeliya, Israel
5 Faculty of Industrial Engineering and Management, Technion - Israel Institute of Technology, Haifa, Israel
*all authors contributed equally