pm#distance_learning
  closed_exclusion:  pm#face-to-face_learning
  supertype:  pm#learning
  part of:  pm#blended_learning
  subtype:  pm#e-learning__elearning__electronic_learning__electroniclearning
     subtype:  pm#web-based_learning__webbasedlearning
     subtype:  pm#e-learning_with_highly_embedded_devices
        subtype:  pm#pervasive_learning__pervasivelearning
        subtype:  pm#ubiquitous-learning
     subtype:  pm#e-learning_with_not_highly_embedded_devices
        subtype:  pm#desktop_learning__desktoplearning
        subtype:  pm#mobile_learning
     subtype:  pm#e-learning_with_highly_mobile_devices
        subtype:  pm#mobile_learning
        subtype:  pm#ubiquitous-learning
        subtype:  pm#RTRP_e-learning__right_time_right_place_e-learning
        subtype:  pm#ATAP_e-learning__any_time_any_place_e-learning
     subtype:  pm#e-learning_with_not_highly_mobile_devices
        subtype:  pm#desktop_learning__desktoplearning
        subtype:  pm#pervasive_learning__pervasivelearning

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