J. Martens. (2014)cite arxiv:1412.1193Comment: New title and abstract. Added multiple sections, including a proper introduction/outline and one on convergence speed. Many other revisions throughout.
J. Chung, C. Gulcehre, K. Cho, and Y. Bengio. (2014)cite arxiv:1412.3555Comment: Presented in NIPS 2014 Deep Learning and Representation Learning Workshop.