Deep Learning, Ian Goodfellow, Yoshua Bengio, and Aaron Courville, 2016 (MIT Press) - Offers comprehensive coverage of unsupervised learning, representation learning, and autoencoders in deep learning.
Pattern Recognition and Machine Learning, Christopher M. Bishop, 2006 (Springer) - Introduces classical unsupervised learning methods, including clustering and PCA, for fundamental understanding.
Auto-Encoding Variational Bayes, Diederik P Kingma, Max Welling, 2014International Conference on Learning Representations (ICLR)DOI: 10.48550/arXiv.1312.6114 - Presents Variational Autoencoders (VAEs), a significant generative unsupervised model mentioned in the content.
Representation Learning: A Review and New Perspectives, Yoshua Bengio, Aaron Courville, and Pascal Vincent, 2013IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 35 (IEEE)DOI: 10.1109/TPAMI.2013.50 - Reviews representation learning, its goals, and links to unsupervised techniques, providing a broad academic perspective.