1. Lecture Notes in Computer Science;K Akita,2018
2. Alexa Voice Service Overview (v20160207).
https://developer.amazon.com/docs/alexa-voice-service/api-overview.html
. Accessed 16 Dec 2019
3. Use Siri on all your Apple devices.
https://support.apple.com/en-us/HT204389
. Accessed 16 Dec 2019
4. Google Assistant is better than Alexa or Siri.
https://www.cnbc.com/2019/06/19/google-assistant-beats-alexa-and-siri-at-recognizing-medications.html
. Accessed 16 Dec 2019
5. Fujitsu Develops Glove-Style Wearable Device.
http://www.fujitsu.com/global/about/resources/news/press-releases/2014/0218–01.html
. Accessed 16 Dec 2019