Entities are the relevant subjects contained in the message coming from the user, for example, an object, a color, or a date. If the intent is to activate something on a web page, the user may also indicate what, like a button or a window. Entities are therefore the keywords that the chatbot can recognize. Thanks to these entities, the chatbot is able to identify the topic of the conversation, thus providing targeted information as output. In the following diagram, two possible entities are identified by the chatbot:
Suppose we had the following message as an input: I want to buy a monitor. It is clear that the user wants to buy an ...
