| 摘要 |
The invention relates to a method for coordinating location dependent information, services, and tasks, comprising the steps of deriving and refining location information of a user based on location measurements or proximity observations (MD), providing actual location information and/or planned location information of a user, initiating tasks and providing information and services dependent on tracking information and planned location information wherein the location information is provided by a locator entity (Loc) in a distributed system gathering location measurements or proximity observations (MD) and aggregating said actual and/or said planed location information and wherein the locator entity (Loc) is restricting the accesses to said location information by authenticating, authorizing, and/or trusting inquirer parties (Clnt), and serving location information requests (RI) according to inquirer's grants and restrictions. It further relates to a locator agent unit (Loc), a locator device (Det), a locator client device (Clnt), a distributed locator system, and a computer software product. <IMAGE>
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