About: http://webisa.webdatacommons.org/291068818

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	An IR system includes in its widest sense text-representations, classification- and indexing-systems and IR techniques in catalogues and databases or other information sources.
http://www.w3.org/ns/prov#wasQuotedFrom	informationr.net