Knowledge On The Web: XML

Knowledge Systems Laboratory, Stanford University

Example DTD: Novel

<!ELEMENT novel

(preface,chapter+,biography?)>

<!ELEMENT preface (paragraph+)>

<!ELEMENT chapter (title,paragraph+,section+)>

<!ELEMENT section (title,paragraph+)>

<!ELEMENT biography (title,paragraph+)>

<!ELEMENT paragraph (#PCDATA|keyword)*>

<!ELEMENT title (#PCDATA|keyword)*>

<!ELEMENT keyword (#PCDATA)>