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

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