A method and systems that allows building cause effect tree related to initial problem statement. Each event of cause effect tree can be added with additional axes: hierarchy and operation. Wizards and templates provide simplify adding of undesirable effects. System automatically generates alternative problem statements and queries for search in knowledge bases.

 
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< Ingredient cooking-operation recognition system and computer-readable recording medium which is recorded with ingredient cooking-operation recognition program

> Method for obtaining a value via a rule engine implemented by a collection object

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