Good job. But I need to make the note that the title is confusing to NLP/ML practitioners. 'topics' usually refer to clusters as captured by so-called 'topic mo

Good job. But I need to make the note that the title is confusing to NLP/ML practitioners. 'topics' usually refer to clusters as captured by so-called 'topic models' [1], the output of an unsupervised learning method, usually a variant of LDA. [1] http://en.wikipedia.org/wiki/Topic_model http://en.wikipedia.org/wiki/Topic_model