Toward a Conversation Partner Agent for People with Aphasia: Assisting Word Retrieval

  • Kazuhiro KuwabaraEmail author
  • Takayuki Iwamae
  • Yudai Wada
  • Hung-Hsuan Huang
  • Keisuke Takenaka
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 56)


Aphasia is an acquired communication disorder marked by difficulties in understanding the language or expressing oneself using language. In order to support communication of a person with aphasia, a concept of supported communication has been proposed, wherein a conversation partner assists a person with aphasia in communicating. We are designing a conversation partner agent, a software agent that embodies the functions of a conversation partner. In this paper, we focus on the function of assisting a person with aphasia who has difficulty retrieving words. More specifically, multiple choice questions are generated using a domain ontology and presented in appropriate order to a person with aphasia. Through this question and answer process, the system infers the word that a person with aphasia wants to express.


People with aphasia Conversation partner Word retrieval Information gain 



This work was partially supported by JSPS KAKENHI Grant Number 15K00324.


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Kazuhiro Kuwabara
    • 1
    Email author
  • Takayuki Iwamae
    • 2
  • Yudai Wada
    • 1
  • Hung-Hsuan Huang
    • 1
  • Keisuke Takenaka
    • 3
  1. 1.College of Information Science and EngineeringRitsumeikan UniversityKusatsuJapan
  2. 2.Graduate School of Information Science and EngineeringRitsumeikan UniversityKusatsuJapan
  3. 3.Abiko City Welfare Center for the HandicappedAbikoJapan

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