pm#real_life_task  a task composed of more basic tasks
  supertype:  pm#task  processes modelled in knowledge acquisition, e.g., a diagnostic
  subtype:  pm#knowledge_engineering__knowledgeengineering  making a knowledge based system
     subtype:  pm#environment_analysis
     subtype:  pm#problem_analysis
     subtype:  pm#task_analysis
     subtype:  pm#function_analysis
     subtype:  pm#implementation_analysis
     subtype:  pm#knowledge_engineering_with_KADS  making a knowledge based system using KADS methodology

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