Chatbot has become a buzzword in the field of Artificial Intelligence and is a core part of it which enables the user to interact with the machine and it makes them feel like they are interacting with humans. Basically the chatbots are used in AI enabled devices and products such as Google Home, Amazon Echo, etc. Nowadays the use of AI chatbots have also been popular in the core I.T. industry.
With the advent of possibility of creating chatbots in facebook messenger the chatbots gained popularity among users as they gave them that experience and now we need more customized chatbots for our websites, web applications and mobile applications.
Amazon LEX made it very easy and simple to create customized chatbots as per your needs by enabling it for every developer. Now any developer can create customized chatbots with Amazon LEX. Previously it was intended for only the Amazon Echo for powering home automation and providing rich experience to the user. But with Amazon LEX the chatbot can be integrated with any web service or with any application.
Basically any developer needs to create a bot and perform its basic configuration by creating its intents that are basically some event driven functions and then they have to create Lambda functions i.e. the core business logic for handling the response for intents.
After that they need to handle the exceptions which might be generated by the users and the response that has to be given to the exceptions. With this the developers can develop the conversational bots which can be either text or voice or both. This helps in delivering the best user experience to the user.
Amazon LEX enables the developers to build chatbots as per the product needs. Suppose you have a website that provides online searching and booking for hotels. With Amazon LEX you can build a custom voice/text based bot which can search and recommend hotels as per user’s needs. All you need to do is to configure the bot with the basic inputs and then it will apply deep learning algorithms to learn and grow itself. This helps to enhance the quality of the answers the bot gives to the user as it learns each time it is used by some user.
What makes this more awesome is you only pay for what you use. The bills are generated on the basis of the answers the bot gives and that is by the number of times the lambda functions are called. These bots can be deployed on any amazon cloud service such as EC2 or S3 and can be used in any web site or mobile application.
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An overview of Amazon LEX :