Kernel Approach has many applications, from computing and medicine and beyond. The basics are the same however, and this is not a bad place to learn about the approach, even though it doesn't address unbinned analysis.
First Principles of Kernel Computing: http://en.wikipedia.org/wiki/Kernel_(computing )
This is useful, in that the abstract describes the benefits of this approach: http://userweb.cs.utexas.edu/users/inderjit/public_papers/kernel_icml.pdf