HTML superclass-subclass list extractor

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HTML superclass-subclass list extractor starts with menu option File > Extract > HTML superclass-subclass list extractor... or selecting the extractor as the Drag and Drop extractor and dropping HTML fragments from WWW browser.

Extractor read HTML file or fragment and interprets encountered HTML ordered and unordered lists as nested superclass-subclass associations. A topic is created for each list element (content of LI element). Created topic is associated to outer list element with super-subclass association. Outer element is considered as a superclass. List structure depth is limited. As an example consider simple list:

  • Mammal
    • Cat
    • Horse
    • Pig
  • Bird
    • Parrot
    • Duck

If given to the extractor, this HTML fragment generates topics for Mammal and Cat for example and Mammal topic is set as a superclass of the Cat.

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