What is the Kernel Approach in Non-Parametrised Unbinned Analysis?

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i came across the term kernel approach when reading about a non parametrised unbinned method of analysis. what does this mean?

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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

And directly to your question see starting on page 62: http://www.slac.stanford.edu/econf/C030908/papers/MOCT003.pdfFor something a bit unrelated, but possibly illuminating:
http://portal.acm.org/citation.cfm?id=944810&dl=GUIDE&coll=GUIDE&CFID=96211260&CFTOKEN=34267705
 
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