chapter 1 Introduction -- chapter 2 Self-training and Co-training -- chapter 3 Applications of Self-Training and Co-Training -- chapter 4 Classification -- chapter 5 Mathematics for Boundary-Oriented Methods -- chapter 6 Boundary-Oriented Methods -- chapter 7 Clustering -- chapter 8 Generative Models -- chapter 9 Agreement Constraints -- chapter 10 Propagation Methods -- chapter 11 Mathematics for Spectral Methods -- chapter 12 Spectral Methods.