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        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A driverless tractor  is a form of autonomous technology. It is considered driverless because it operates without the presence of a human inside the tractor itself. Like other unmanned ground vehicles, they are programmed to independently observe their position, decide speed and avoid obstacles such as people, animals or objects in the field, while performing their task. The various driverless tractors are split into full autonomous technology and supervised autonomy." ] ,
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