http://electronics.howstuffworks.com/gadgets/high-tech-gadgets/speech-recognition3.htm
http://stackoverflow.com/questions/7019999/breaking-voice-into-phonemes
http://www.techrepublic.com/blog/10-things/10-things-you-should-know-about-google-now/
http://www.mynameissiri.com/where-does-siri-get-all-that-data/
http://www.theverge.com/2012/10/29/3569684/google-now-android-4-2-knowledge-graph-neural-networks
http://www.siriuserguide.com/siri-faq/
http://searchengineland.com/how-google-now-siri-cortana-predict-what-you-want-229799
https://www.quora.com/How-does-Google-Now-work
http://www.kurzweilai.net/googles-answer-to-siri-thinks-ahead
 
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