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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	ww.aueb.gr/users/esaopa/courses/part2.pdf - How and/or by means of which criteria is a service practically -- identified? -- specified? -- priced? -- catalogued? -- offered? -- contracted? -- rendered? -- verified? -- billed?
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net