SIOCRefAddressbookExample1 FOAF: * aimChatID * based_near * birthday * family_name * firstName * gender * homepage * icqChatID * maker * mbox * msnChatID * nick * phone * yahooChatID SIOC: * has_container * has_creator * id * link * topic vcard: * ADR * BDAY * CATEGORIES * EMAIL * FN * N * NICKNAME * UID prefix sioc: <http://rdfs.org/sioc/ns#> prefix sioct: <http://rdfs.org/sioc/types#> select distinct ?attribute where { ?forum a sioct:AddressBook . ?forum sioc:container_of ?post . ?post ?attribute ?o } order by ?attribute Sample Data (Live Query Results) Click *Here* for a live SPARQL Query (via SPARQL Protocol) against a collection of AddressBook Properties list .