@article{articlecca05a08,
title   = {An optimization framework for combining ensembles of classifiers and clusterers with applications to nontransductive semisupervised learning and transfer learning},
author = {Acharya, Ayan and Hruschka, Eduardo Raul and Ghosh, Joydeep and Acharyya, Sreangsu},
year = {2014},
doi = {10.1145/2601435},
journal   = {ACM Transactions on Knowledge Discovery from Data}
}