The present invention discloses a system for analyzing a basic cause of deviation related to equipment. The system includes a sensor resolution action (SeRA) entity for detecting deviation related to the equipment. A deviation resolution graph (DRG) entity determines a deviation resolution sub-graph (DRsG) for solving deviation based on the DRG. The DRsG includes an observation related to the solution task and the equipment. The recommendation entity recommends the DRsG to solve the deviation related to the equipment.;COPYRIGHT KIPO 2017
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