Upward Substitution
The core operation in using hierarchical questions for explanation. Moving upward along the hierarchy tree, a shallower question aligned with a deeper question is found and used to replace it with a more general question, thereby reducing the number of questions requiring manual review.
Timeline (last 90 days)
Upward substitution is the core operation when hierarchical questions are used for explanation: when the system needs to explain a deep question dimension, it searches upward along the hierarchy tree for an aligned shallow question and replaces it with a more general question, thereby reducing the number of questions that need to be presented to humans.
The reasonableness of upward substitution depends on the quality of question alignment—if shallow questions cannot sufficiently cover the semantics of deep questions, the explanation will be distorted.
All Facts (2)
Upward substitution is the core operation when hierarchical questions are used for explanation: when the system needs to explain a deep question dimension, it searches upward along the hierarchy tree for an aligned shallow question and replaces it with a more general question, thereby reducing the number of questions that need to be presented to humans.
50%UnverifiedThe reasonableness of upward substitution depends on the quality of question alignment—if shallow questions cannot sufficiently cover the semantics of deep questions, the explanation will be distorted.
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