I am aware that stackoverflow is a programming oriented forum that helps coders to solve bugs . But i have plenty of conceptual doubts in text mining techniques / information retrieval and semantic similarity .
Please suggest a forum where they discuss these concepts so that i can putforth my doubts in that!
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And before https://stats.stackexchange.com/ there was http://metaoptimize.com/qa/, which is still fairly active.
Maybe https://stats.stackexchange.com/