@inproceedings{UAI:2019:Wang,<br>
  author = {Guanghui Wang and Shiyin Lu and Lijun Zhang},<br>
  title = {Adaptivity and Optimality: A Universal Algorithm for Online Convex Optimization},<br>
  booktitle = {Proceedings of the 35th Conference on Uncertainty in Artificial Intelligence (UAI)},<br>
  year =  {2019},<br>
  pages = {659--668},<br>
}