1. Ando, R., Zhang, T.: A framework for learning predictive structures from multiple tasks and unlabeled data. Journal of Machine Learning Research 6, 1817–1853 (2005)
2. Ando, R.K.: Applying alternating structure optimization to word sense disambiguation. In: Proceedings of Computational Natural Language Learning (2006)
3. Argyriou, A., Micchelli, C.A., Pontil, M., Ying, Y.: A spectral regularization framework for multi-task structure learning. In: Proceedings of Neural Information Processing Systsems (2007)
4. Bakker, B., Heskes, T.: Task clustering and gating for Bayesian multitask learning. Journal of Machine Learning Research 4 (2003)
5. Lecture Notes in Artificial Intelligence;S. Ben-David,2003