Forward chaining systems are data-driven, whereas backward chaining systems are goal-driven.
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Forward Chaining: In a forward chaining system, the reasoning process starts with available data and moves forward to draw conclusions or make decisions based on the observed facts. It is data-driven because it uses existing information to infer new knowledge.
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Backward Chaining: In a backward chaining system, the reasoning process starts with a goal or desired outcome and works backward to find the necessary conditions or data to achieve that goal. It is goal-driven as it aims to satisfy a specific objective or condition.
So, the correct option is:
Data driven, Goal driven