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Human speech ontology changes in virtual collaborative work

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4 Author(s)
Nakata, S. ; Tokyo Denki Univ., Saitama, Japan ; Kobayashi, H. ; Kumata, M. ; Suzuki, S.

We need to clarify features of human speech to make assistive robots more human adaptive. In this study, we focused on speech produced in human-human virtual collaborative conveyer task and transcribed all utterances spoken while completing the task. We computed morphemes (words or meaningful parts of words) by word class categories. The results were that the total number of morphemes spoken in each trial decreased over ten trials. We found that a strong negative correlation between the number of morphemes by type in each trial and the number of trials. Task general verbs remain while task specific verbs decreased. Among the task specific verbs, verbs with more wide meaning tend to remain. Results suggest that in accordance with acquiring skill for the task, the entire complexity of ontology decreases and becomes more efficient.

Published in:

Human System Interactions (HSI), 2011 4th International Conference on

Date of Conference:

19-21 May 2011