How We Derive Context from Big Data
blog.urx.com
blog.urx.com
Very surprised that they don't mention DBpedia though (http://wiki.dbpedia.org/) or discuss how they navigate through some big NLP challenges with Wikipedia, namely that many edits are made by bots.
Example: I'm reading an article about James Bond, and ideally the phone can calculate that there's a new Bond movie, and I'm near a theater, and I'm free on Thursday night, and then create a link to buy tickets.