Primal Fusion is a Waterloo-based startup that is about to come out of stealth mode, with a technology focused in semantic data retrieval.
You can find transcription of the main issues of this video presentation down here below: .......
The latest project by Stephen Wolfram is defined as the first "computational knowledge engine", something capable of answering factual question for you.
The Wolfram engine is described as "a proprietary system based on fields of knowledge, containing terabytes of curated data and millions of lines of algorithms to represent real-world knowledge as we know it".