Natural language processing (NLP) is a field of computer science, artificial intelligence and computational linguistics concerned with the interactions between computers and human (natural) languages, and, in particular, concerned with programming computers to fruitfully process large natural language corpora.
A place for beginners to ask stupid questions and for experts to help them! /r/Machine learning is a great subreddit, but it is for interesting articles and news related to machine learning. Here, you can feel free to ask any question regarding machine learning.
Computational linguistics is an interdisciplinary field concerned with the statistical or rule-based modelling of natural language from a computational perspective, as well as the study of appropriate computational approaches. Computational linguistics draws upon the involvement of linguists, computer scientists, experts in artificial intelligence, mathematicians, logicians, philosophers, cognitive scientists, cognitive psychologists, psycholinguists, anthropologists and neuroscientists.
A place for redditors/serious people to discuss quantitative trading, statistical methods, econometrics, programming, implementation, automated strategies and bounce ideas off each other for constructive criticism, feel free to submit papers/links of things you find interesting.