RDF Query Issues

ns foaf=<http://xmlns.com/foaf/0.1/>
ns pim=<http://www.w3.org/2000/10/swap/pim/>
ask (
  ?who swap:pim <mailto:eric+talk@w3.org>.
  ?who foaf:firstName ?givenName.
  ?who foaf:surname ?familyName)
collect (?givenName ?familyName)

express query comonents in XML

• between a lot and too many angle brackets

RDF

• express the query as an RDF graph
• leads to reificiation (or misleading assertions)

other (ASCII)

• SQL-like
• XPath/XQuery-like

Templating -- express results XML

• can re-use XQuery syntax (maybe some implementation?)