| http://www.w3.org/ns/prov#value | - Japanese cellular phone giant NTT DoCoMo and electronics maker Sony today said they would jointly unveil this year mobile ???wallet phones??? mounted with smart-cards that would allow users to chat, send e-mail and buy such things as train passes or pay restaurant bills.The technology will make its trial debut in December involving 6,000 persons in Japan, followed by the main launch by March 2005,
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