Approach To Building A Virtual Assistant Or Bot Almost From Scratch by Mohamed E Ait Hassoune :: SSRN

V.A.* (Virtual Assistants) are computer programs designed to simulate a conversation with a human via textual or voice interactions. We will focus on text-based interactions only in this paper. Voice-based V.A. consist in the combination of an Automatic Speech Recognition or Speech-To-Text and Text-To-Speech layers on top of a text-based interactions layer. By now you must have heard of Apple SIRI, Amazon Alexa, Microsoft Cortana, IBM Watson, Viv.ai, X.ai Amy, Kasisto Kai etc. They are becoming ubiquitous with the rise of Mobiles, IoT (Internet of Things) and Messaging platforms.