My first blog on machine learning is to discuss a pet peeve I have about working in the industry, namely why not to apply an RBF kernel to text classification tasks.
I wrote this as a follow up to a Quora Answer on the subject:
I will eventually re-write this entry once I get better at Latex. For now, refer to
Smola, Scholkopf, and Muller, The connection between regularization operators and support vector kernels http://cbio.ensmp.fr/~jvert/svn/bibli/local/Smola1998connection.pdf
I expand on one point–why not to use Radial Basis Function (RBF) Kernels for Text Classification. I encountered this while a consultant a few years ago eBay, where not one but 3 of the teams (local, German, and Indian) were all doing this, with no success They are were treating a multi-class text classification problem using an SVM with an RBF Kernel. What is worse, they were claiming the RBF calculations…
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