[Queries](/blog/666/) in [Natural Language](/blog/697/) can be done in an automated way via some kind of Fact Retrieval Search Engine.
This allows to ask a question in Natural Language and retrieve an answer in [Natural Language](/blog/697/), rather than a bunch of web pages (Document Retrieval). WolframAlpha is an already existing fact Retrieval search Engine wit a huge knowledge base behind it and makes it possible to ask Questions in Natural Language and find the answer.
Query String
Answer
