[juanpablo]

A couple months ago, Ricardo Galli - spanish hacker and creator of the open-source reddit-like "Meneame" - posted an explanation of his algorithm for doing that.

Original link: http://gallir.wordpress.com/2009/01/04/encontrando-patrones-...

Poorly translated by Google: http://translate.google.com.pe/translate?u=http%3A%2F%2Fgall...