=参考文献=
1. Stuart Russell and Peter Norvig, Artificial Intelligence: A modern approach. Prentice-Hall, 2005.
2. Ferrucci, David A. "Introduction to “this is watson”." IBM Journal of Research and Development 56.3.4 (2012): 1-1.
3. Bradski, Gary, and Adrian Kaehler. Learning OpenCV: Computer vision with the OpenCV library. O'Reilly Media, Inc., 2008.
4. Hauswald, Johann, et al. "Sirius: An open end-to-end voice and vision personal assistant and its implications for future warehouse scale computers." ASPLOS, ACM, 2015.