@article{JMLR:v7:zhang06a,
  author  = {Yi Zhang and Samuel Burer and W. Nick Street},
  title   = {Ensemble Pruning Via Semi-definite Programming},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {48},
  pages   = {1315--1338},
  url     = {http://jmlr.org/papers/v7/zhang06a.html}
}