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Improvement of Interruptibility Estimation during PC Work by Reflecting Conversation Status

  • HASHIMOTO Satoshi
    Graduate School of Tokyo University of Agriculture and Technology
  • TANAKA Takahiro
    Graduate School of Tokyo University of Agriculture and Technology
  • AOKI Kazuaki
    Graduate School of Tokyo University of Agriculture and Technology
  • FUJITA Kinya
    Graduate School of Tokyo University of Agriculture and Technology

Abstract

Frequently interrupting someone who is busy will decrease his or her productivity. To minimize this risk, a number of interruptibility estimation methods based on PC activity such as typing or mouse clicks have been developed. However, these estimation methods do not take account of the effect of conversations in relation to the interruptibility of office workers engaged in intellectual activities such as scientific research. This study proposes an interruptibility estimation method that takes account of the conversation status. Two conversation indices, “In conversation” and “End of conversation” were used in a method that we developed based on our analysis of 50 hours worth of recorded activity. Experiments, using the conversation status as judged by the Wizard-of-OZ method, demonstrated that the estimation accuracy can be improved by the two indices. Furthermore, an automatic conversation status recognition system was developed to replace the Wizard-of-OZ procedure. The results of using it for interruptibility estimation suggest the effectiveness of the automatically recognized conversation status.

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