References
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- O. Chapelle, A. Zien, and B. Scholkopf. 2006. Semi-supervised learning. Editors. MIT Press.
- X. Zhu. (2006). Semi-Supervised Learning Literature Survey. Technical Report - University of Wisconsin – Madison. (http://www.cs.wisc.edu/~jerryzhu/pub/ssl_survey.pdf">paper.pdf)