How I recovered a Bitcoin passphrase by performing a Breadth-First search on typos of increasing Damerau-Levenshtein distances from an initial guess.
This blog post is an introduction on how to make a key phrase extractor in Python, using the Natural Language Toolkit (NLTK) [http://www.nltk.org/]. But how will a search engine know what it is about? How will this document be indexed correctly? A human can read it and