About: http://webisa.webdatacommons.org/300331397

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	In general,the in operator checks whether an object is a member (that is, an element) of a sequence (or some other collection).However, the only members or elements of a string are its characters.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net