=Volume=
{{Volume
|number=521
|storemode=property
|wikidataid=Q71000210
|title=SemRUs 2009: Semantics for the Rest of Us - - Variants of Semantic Web Languages in the Real World
|acronym=SemRUs 2009
|url=http://ceur-ws.org/Vol-521/
|date=2009-10-20
|urn=urn:nbn:de:0074-1155-8
}}