@inproceedings{ijcai2013p234,
  title     = {Early Active Learning via Robust Representation and Structured Sparsity},
  author    = {Nie, Feiping and Wang, Hua and Huang, Heng and Ding, Chris H. Q.},
  booktitle = {Proceedings of the Twenty-Third International Joint Conference on
               Artificial Intelligence, {IJCAI-13}},
  publisher = {AAAI Press / International Joint Conferences on Artificial Intelligence},
  editor    = {Francesca Rossi},
  pages     = {1572--1577},
  year      = {2013},
  month     = {8},
  url       = {https://ijcai.org/proceedings/2013/234},
}