Traditionally, users have interacted with computers through graphical or command line interfaces. However, these may still be too technical for certain users, or cumbersome to use in some scenarios (e.g., in mobility). To tackle this issue, recent advances in natural language (NL) processing have boosted the proliferation of chatbots: programs whose user interface is NL and are frequently integrated within social networks.
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Pérez-Soler et al. (2019) studied this question.
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