1. JD Technology, China and Tsinghua University, Beijing, China
2. Amazon AWS AI Labs, Seatle, WA, USA
3. Walmart Inc., Mountain View, CA, USA
4. JD Technology, Beijing, China
5. JD Technology, Mountain View, CA, USA
6. Frontis.AI, Beijing, China
7. Tsinghua University, Beijing, China and Frontis.AI, Beijing, China