Patent ID: 7738883
Filing Date: 2010-06-15
Classification: G06Q,H04L,H04W

Abstract:
1. A method of providing information about a real-world space, comprising: (a) as users move through said space, virtual markers are deposited and stored as marker data to indicate associated locations visited by the users in the space; and (b) the stored marker data is used to provide trail information for guiding users in The space; wherein an operator, using an interface unit and without the need to move around said space, modifies the stored marker data or its significance whereby to modify the trail information derived therefrom; wherein the virtual markers deposited in respect of said users are aggregated, in dependence on their associated locations, either when being stored or subsequently and the trail information provided in step (b) is based upon the aggregated markers; the operator modifying the stored marker data by depositing additional markers in respect of particular locations or areas in said space; the additional markers, when aggregated with the markers deposited in respect of said users for the same locations or areas, serving to modify said trail information; and wherein a plurality of location cells are defined that correspond to respective areas of said space, the markers having associated strength values and each marker being stored and aggregated by having its strength value added to an existing aggregated strength value, if any, associated with in the corresponding location cell.