About: http://webisa.webdatacommons.org/167526302

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	Nearly all ETL tools work well with relational databases, XML sources and text files; however, mainframe data and enterprise applications, such as CRM and ERP systems, can be more challenging for some ETL tools.
http://www.w3.org/ns/prov#wasQuotedFrom	techtarget.com