Submitted on: 14 June 2000.
Revised on: 18 July 2000.
Accepted on: 30 July 2000.
Multimodal Technologies and Interaction
Submitted on: 21 July 2009.
Revised on: 09 August 2009.
Accepted on: 02 September 2009.
Multimodal Technologies and Interaction
Submitted on: 02 June 2019.
Revised on: 12 July 2019.
Accepted on: 05 August 2019.
NULL
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