Conversational Agents and Natural Language Interaction: by Diana Perez-Marin, Ismael Pascual-Nieto

By Diana Perez-Marin, Ismael Pascual-Nieto

Through combining agent functions with computational linguistics, conversational brokers can take advantage of typical language applied sciences to enhance communique among people and desktops. Conversational brokers and common Language interplay: strategies and potent Practices is a reference advisor for researchers coming into the promising box of conversational brokers. It offers an creation to primary strategies within the box, collects stories of researchers engaged on conversational brokers, and experiences options for the layout and alertness of conversational brokers. The e-book discusses the successes of and demanding situations confronted via researchers, designers, and programmers who are looking to use conversational brokers for e-commerce, aid desks, web site navigation, custom-made carrier, and coaching or schooling purposes.

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Extra resources for Conversational Agents and Natural Language Interaction: Techniques and Effective Practices

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If the system is based on intentions encoded by dialog acts, the dialog manager may also deliver such a dialog act as result to the output generator, which then generates an output action from this description. After the system has decided on what information to present to the user, the output generator component has to construct a physical message encapsulating this information. The message may be implemented as speech- or text-based output, or in graphical form. If the system has a graphical interface at its disposal, for information such as a long list of options, showing a table or a map may be the most suitable response.

Dialog Acts: A possibility to encode an abstracted meaning of an utterance in a dialog. Via dialog acts the intention of an utterance regarding the context of the conversation can be described. Dialog Manager: The component of a dialog system which is responsible for the processing of the next step the system should do. This includes verbal answers as well as other actions the system is capable of. Dialog System: A system which can conduct a conversation with another agent, for example a human or another dialog system.

Interesting measures for component evaluation of a dialog system are “Sentence Accuracy” (the percentage of completely and correctly understood utterances) and “Sentence Understanding Rate” (the percentage of utterances correctly assigned to a meaning representation). See McTear (2004) for a detailed overview. The problem is that it is unclear, what the “correctly” understood or assigned meaning of an utterance in a chatbot system should be. Therefore, the only reasonable way to evaluate a chatbot with integrated NLP versus one without NLP is by experiments with users.

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