School of Computing;
Informatics and Decision Systems Engineering;
Arizona State University;
Tempe;
AZ 85281 USA;
School of Physics and Telecommunication Engineering;
South China Normal University;
Guangzhou;
Guangdong 510006 China;
Polytechnic School;
Arizona State University;
Mesa;
AZ 85212 USA;
natural language processing; voice processing; machine learning; Long short-term memory(LSTM)network; questions and answers;