1. Introduction

(3) Work Type 3

• Explicit logical structures (structures of logical elements) are required for processing.)
• Presentation styles for feasible understanding of semantics are also required. They should be associated with corresponding logical elements.
  
  
• EC or e-Government employs electronic documents of this type 3
  
  
• [XML (or SGML) and style specifications by CSS, XSL or DSSSL]
• [HTML for simple-structured documents]

NOTE: HTML is an instance of SGML (XHTML is an instance of XML). A style specification has been defined for each element in the HTML. Therefore simple-structured XML documents are sometimes converted into HTML documents for presentation, by using XSLT.