There is a small error in section 2.2.2: <rdf:RDF> <rdf:Description about="http://www.w3.org/Home/Lassila"> <s:Creator> <s:Person about="http://www.w3.org/staffId/85740"> <v:Name>Ora Lassila</v:Name> <v:Email>[log in to unmask]</v:Email> </rdf:Description> <-- should be </s:Person> </s:Creator> </rdf:Description> </rdf:RDF> I also have a question. By reading the standard I couldn't understand if the following description: <rdf:Description about="http://mycollege.edu/courses/6.001"> <s:students resource="http://mycollege.edu/students/Amy"/> <s:students resource="http://mycollege.edu/students/Tim"/> </rdf:Description> is equivalent to: <rdf:Description about="http://mycollege.edu/courses/6.001"> <s:students> <rdf:Bag> <rdf:li resource="http://mycollege.edu/students/Amy"/> <rdf:li resource="http://mycollege.edu/students/Tim"/> </rdf:Bag> </s:students> </rdf:Description> or to: <rdf:Description about="http://mycollege.edu/courses/6.001"> <s:students> <rdf:Seq> <rdf:li resource="http://mycollege.edu/students/Amy"/> <rdf:li resource="http://mycollege.edu/students/Tim"/> </rdf:Bag> </s:students> </rdf:Description> or if its meaning is application dependent and not specified by the standard. -- Pasqualino "Titto" Assini --- [log in to unmask] Kamus Internet Consulting --- http://www.kamus.it/