About: http://webisa.webdatacommons.org/391926058

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	@Arion In table1 two types of databases are there, SYSTEM and ORCL, so the database1 and database2 will consist of the two types of databases i.e. SYSTEM and ORCL.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com