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A method, system and computer program for detecting and displaying a person’s activity-travel pattern over time and space is provided. Person-based location data is acquired by a personal communication device and processed in accor dance with an algorithm. The invention goes beyond applica tions that focus on the detection of the current location of the user, but rather the enhanced knowledge of the users current, 6,898,518 B2 5, 2005 Padmanabhan past, and likely future activities and their multi-dimensional 6,952,645 B1 10/2005 Jones attributes. The present invention can be implemented on com gigs. R: ck 1 3.388 tal 340,501 mon hardware and is easily accessible via web-based inter