This is useful! I was hoping for something based on topic modelling [0] though. Keywords are useful, but often are out of context. e.g. I looked for "writing", and many of the matches have nothing to do with writing as topic, but simply mention it in the headline.<p>Conversely, there are often topics in the post that are not in the headline.<p>[0] <a href="https://en.wikipedia.org/wiki/Topic_model" rel="nofollow">https://en.wikipedia.org/wiki/Topic_model</a>