?url_ver=Z39.88-2004&rft_id=10.1109%2FDEXA.2012.38&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Campinas%2C+Stephane&rft.aulast=Campinas&rft.aufirst=Stephane&rft.isbn=978-1-4673-2621-6&rft.date=September+2012&rft.title=Introducing+RDF+Graph+Summary+with+Application+to+Assisted+SPARQL+Formulation&rft.btitle=Proceeding+of+the+23rd+International+Workshop+on+Database+and+Expert+Systems+Applications+(DEXA)&rft.genre=bookitem