@article{JMLR:v16:moroshko15a,
  author  = {Edward Moroshko and Nina Vaits and Koby Crammer},
  title   = {Second-Order Non-Stationary Online Learning for Regression},
  journal = {Journal of Machine Learning Research},
  year    = {2015},
  volume  = {16},
  number  = {43},
  pages   = {1481--1517},
  url     = {http://jmlr.org/papers/v16/moroshko15a.html}
}