| http://www.w3.org/ns/prov#value | - Brevet US20040181689 - Peer-to-peer communication apparatus and communication method - Google???BrevetsRecherche Images Maps Play YouTube Actualit???s Gmail Drive Plus ??Connexion Recherche avanc???e dans les brevets BrevetsA peer-to-peer communication apparatus connected to an IP network acquires, from a peer's communication apparatus, presence information including information for judging a comm
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