| http://www.w3.org/ns/prov#value | - al object of manifestations of the invention is to provide a means by which exhibitors can readily schedule time with attendees and be provided with reminders of those appointments. [0037] A further particular object of embodiments of the invention is to enable a tracking of mobile articles or persons, such as attendees and exhibitors as they move about the trade show floor, and to record their mo
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