P. Dybala, M. Ptaszynski, R. Rzepka, and K.Araki (Japan)
artificial intelligence, human-computer interaction,evaluation methods
Human-likeness of dialogue systems is an important, albeit neglected issue. In this paper, basing on evaluation experiments of humor-equipped chatterbot, we propose a method of measuring the distance between humans and systems and relation between human-likeness and humor. The results show that the presence of humor can enhance the performance of dialogue systems. A humor-equipped chatterbot was evaluated as more human like and generally better than one without humor, by both first and third person evaluators. The implications of this fact and novelty of evaluation method are discussed, and some ideas for the future are given.
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