DDL for WebScheme

These are the declarations in the ARANEUS Data Definition Language for WebScheme, the ADM scheme for the World Wide Web

Lines starting with the symbol # are commented. The corresponding attributes are not available.

SCHEME WebScheme 


  PAGE-SCHEME SearchEnginePage  UNIQUE http://www.altavista.digital.com/index.html
	KeywordsForm : FORM-GET(
			 Keyword  : TEXT ;                  
			 # q : keywords to search
			 Where    : SELECTION [web] {web,news};  
			 # what : search in the Wheb (web) or in the Usenet (news)
			 Display  : SELECTION [standard] {standard,compact,detailed};       
			 # fmt : display standard (.), compact (c), detailed (d) form
    			 Submit : LINK-TO SearchResultPage ;
			    );
 END			



 PAGE-SCHEME SearchResultPage 
	PageList: LIST-OF (
			    ToPage  : LINK-TO WebPage ;
			    Title   : TEXT;
			    #Comment : TEXT;
			    #Size    : TEXT;
			    #Date    : TEXT;
			  );
	ResultList: LIST-OF (
			     ToResultPage  : LINK-TO SearchResultPage ;
			     Number   : TEXT;
			    );
 END



 PAGE-SCHEME WebPage 
	Title    : TEXT;
	Type     : TEXT;
	Length   : TEXT;
	Modif    : TEXT;
	LinkList : LIST-OF ( 
			     Label    : TEXT OPTIONAL;
			     LinkType : TEXT;
			     HRef     : LINK-TO WebPage;
			   );
 END



END-SCHEME