Patent ID: 7272490
Filing Date: 2007-09-18
Classification: G06Q

Abstract:
1. A trail analysis method of movable object comprising: acquiring, via wireless communications, first stay event data indicating a first location where a first movable object exists, a first arrival time of the first movable object to the first location and a first staying time thereof, and second stay event data indicating a second location where a second movable object exists, a second arrival time of the second movable object to the second location and a second staying time thereof; acquiring location evaluation indicating whether the first location coincides with the second location based on the first stay event data and the second stay event data; acquiring time zone evaluation indicating whether a first time zone specified by the first arrival time and the first staying time and a second time zone specified by the second arrival time and the second staying time overlap, from the first stay event data and the second stay event data; and evaluating contact between the first movable object and the second movable object based on the location evaluation and the time zone evaluation to output evaluation data.