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Chapter V. Interacting with Interaction ... > THE TEMPORAL ASPECT OF UBIQUITY

THE TEMPORAL ASPECT OF UBIQUITY

Time, History, and Social Settings

Capturing a large amount of data from a physical environment over a long period of time necessarily deals with three factors: time, history, and social settings.

Time, or, more precisely, the timestamp of information, has been regarded as an important element to locate, understand, and coordinate the information. A prototypical example is Time-Machine Computing by Rekimoto (1999), which describes the time-centric approach for organizing electronic information stored on a personal computer. Rekimoto's (1999) TimeScape uses several visualization techniques to explore the timestamped information space, and his TimeCasting links heterogeneous objects by using the temporal information. Time is also used to coordinate people's activities. Timewarp (Edwards & Mynatt, 1997), for instance, uses explicit and editable timelines to coordinate collaboration among team members. These approaches primarily use temporal information as indices to the information, and they view time as metadata for managing information.


  

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