1. Balcan, M.F., Blum, A., Choi, P.P., Lafferty, J., Pantano, B., Rwebangira, M.R., and Zhu, X. (2005) Person identification in webcam images: An application of semi-supervised learning, ICML2005 Workshop on Learning with Partially Classified Training Data, Bonn, Germany, 7 August.
2. Blum, A., Mitchell, T. (1998) Combining labeled and unlabeled data with co-training, Proc. of the Workshop on Computational Learning Theory, pp. 92-100.
3. Castelli V., Cover, T.M. (1995) On the exponential value of labeled samples, Pattern Recognition Letters, 16: 105-111.
4. Cohen, I., Cozman, F.G., Sebe, N., Cirelo, M.C., and Huang, T. (2004) Semi-supervised learning of classifiers: theory, algorithms and their applications to human-computer interaction, IEEE Transactions on Pattern Analysis and Machine Intelligence, 26(12): 1553-1567.
5. Du, W., Kohei, I., Kiichi, U., Lipo, W., and Yaochu, J. (2005) Dimensionality reduction for semi-supervised face recognition, Proc. International Conference on Fuzzy Systems and Knowledge Discovery, LNCS 3614, Springer Verlag, New York, pp. 1314-1334.