情報処理 · 2001 · 111 citations · 0 references
ComputingComputer ScienceInformation TechnologyMobile ComputingMobile SystemsWeb TechnologiesContext-aware ComputingMobile Human-computer InteractionMobile MediaMobile SensingMobile User ExperienceVirtual WorldsLocation AwarenessLocation-based InteractionPervasive ComputingPresencePresence DetectionSocial PresenceUbiquitous ComputingUser Presence