#file__data_file  a set of related records (either written or electronic) kept together
  supertype:  document  anything serving as a representation of a person's thinking by means of symbolic marks
  subtype:  computer_file  (computer science) a file maintained in computer-readable form
     subtype:  backup_file  (computer science) a computer file dedicated to storing and updating computer backups
     subtype:  binary_file  (computer science) a computer file containing machine-readable information that must be read by an application; characters use all 8 bits of each byte
        subtype:  GIF_file
     subtype:  master_file__main_file  (computer science) a computer file that is used as the authority in a given job and that is relatively permanent
     subtype:  disk_file  (computer science) a computer file stored on a magnetic disk and identified by a unique label
     subtype:  transaction_file__transactionfile__detail_file  (computer science) a computer file containing relatively transient data about a particular data processing task
     subtype:  input_file__inputfile__input_data__inputdata  (computer science) a computer file that contains data that serve as input to a device or program
     subtype:  output_file  (computer science) a computer file that contains data that are the output of a device or program
     subtype:  read-only_file  (computer science) a file that you can read but cannot change
     subtype:  text_file__document  (computer science) a computer file that contains text (and possibly formatting instructions) using 7-bit ASCII characters
        subtype:  web_page__webpage  a document connected to the World Wide Web and viewable by anyone connected to the internet who has a web browser
        subtype:  ASCII_text_file  a text file that contains only ASCII characters without special formatting
           subtype:  source_code  program instructions written as an ASCII text file; must be translated by a compiler or interpreter or assembler into the object code for a particular computer before execution
        subtype:  plain_text_file
        subtype:  structured_text_file
           subtype:  HTML_file
        subtype:  encoded_text_file
           subtype:  postscript_file
  subtype:  mug_file__mugfile__mug_book__mugbook  a file of mug shots (pictures of criminals that are kept on file by the police)
  subtype:  tickler_file__ticklerfile__tickler  a file of memoranda or notices that remind of things to be done
  subtype:  special_file__specialfile
     subtype:  computer_program__software_file
        subtype:  freeware_file
        subtype:  web_search_engine
        subtype:  source_code  program instructions written as an ASCII text file; must be translated by a compiler or interpreter or assembler into the object code for a particular computer before execution
     subtype:  documentation
        subtype:  tutorial
        subtype:  lecture
        subtype:  user_manual
        subtype:  software_documentation__documentation  program listings or technical manuals describing the operation and use of programs
        instance:  http://www.webkb.org/doc/w2doc.html
     subtype:  repository
        subtype:  web_index__webindex
           subtype:  web_index_and_search_engine
        subtype:  Yellow_Pages
        subtype:  WWW_home_page
        subtype:  cookie
     subtype:  WWW_file
  subtype:  unretrievable_file__unretrievablefile


1 schema is about file
[graph1_on_file
     [any file,
          may have for url: a URL,
          result of: a writing,
          authoring_date: a time_measure,
          may have for creator: a person,
          may have for Creator: a string,
          may have for size: a computer_memory_unit,
          may have for format: a data_format,
          may have for title: a string,
          may have for Coverage: a thing,
          descr of: a situation]
];


1 statement is about an indirect instance of file (http://www.webkb.org/doc/w2doc.html): graph1_on_WebKB-2
  click here to display them or click here for a search form or here to add a statement


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