#theoretical_account__theoreticalaccount__model__framework  a simplified description of a complex entity or process; "the computer program was based on a model of the circulatory and respiratory systems"
  supertype:  #hypothesis.concept__possibility  a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
  subtype:  #computer_simulation__simulation  (computer science) the technique of representing the real world by a computer program; "a simulation should imitate the internal processes and not merely the results of the thing being simulated"
  subtype:  #mean_sun  a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at variable speeds
  subtype:  #Copernican_system  Copernicus' astronomical model in which the Earth rotates around the sun
  subtype:  #Ptolemaic_system  Ptolemy's model of the universe with the Earth at the center
  subtype:  #stochastic_process  a statistical process involving a number of random variables depending on a variable parameter (which is usually time)
     subtype:  #Markov_process__Markoff_process  a simple stochastic process in which the distribution of future states depends only on the present state and not on how it arrived in the present state
        subtype:  #Markov_chain__Markoff_chain  a Markov process for which the parameter is discrete time values
     subtype:  #stationary_stochastic_process  a stochastic process in which the distribution of the random variables is the same for any value of the variable parameter
  subtype:  pm#graph_model
     subtype:  pm#Conceptual_Graph_model
     subtype:  pm#RDF_model
  subtype:  pm#KADS_model
     subtype:  pm#KADS1_model
        subtype:  pm#KADS1_layer_of_Model_of_Expertise
           subtype:  pm#KADS1_inference_layer
           subtype:  pm#KADS1_task_layer
           subtype:  pm#KADS1_domain_layer
        subtype:  pm#KADS1_Model_of_Expertise
           subtype:  pm#KADS1_model_of_problem_solving_expertise
           subtype:  pm#KADS1_model_of_communication_expertise
           subtype:  pm#KADS1_model_of_cooperation_expertise
           subtype:  pm#KADS1_strategy_layer
        subtype:  pm#KADS1_Conceptual_Model

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