CS4624 SGML

SGML (Standardized Generalized Markup Language)

• Developed out of markup languages like Scribe, GML
  
• Approved in 1985
  
• Widely used for electronic publishing
  
• Implements model of Ordered Hierarchy of Content Objects (OHCO)
  
• Is actually a metalanguage, to describe markup languages
  
• DTDs: SGML becomes specialized through a Document Type Definition (DTD)
  
• Example DTDs:
  
  
  • Article
    
  • Book
    
  • CALS document
    
  • Dissertation
    
  • Hyperbase (with HyTime)
    
  • Musical performance (with HyTime)
    
  • Text Encoding Initiative (TEI): dictionary, poem, ...
    
  • Thesis