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Ubipay: conducting everyday payments with minimum user involvement.
Vili Lehdonvirta
Hayuru Soma
Hitoshi Ito
Hiroaki Kimura
Tatsuo Nakajima
Published in:
CHI Extended Abstracts (2008)
Keyphrases
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user involvement
user feedback
information retrieval
case study
training set
information retrieval systems
mobile phone
user acceptance