Machine Learning
- hunch.net - John Langford's fantastic blog provides some of the best insights into Large-scale learning.
- I’m a bandit - Sebastian Bubeck's terrific blog on optimization and prob. theory fundamentals.
- The Geomblog - Another insightful blog in high-dimensional algorithms by Suresh Venkatasubramanian.
- in theory - Luca Trevisan's blog is a must read for an understanding on ML-theory.