About: http://webisa.webdatacommons.org/37561774

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 this case, the number of characters that are returned is the largest value of either the sum of start_expression and length_expression or 0.
http://www.w3.org/ns/prov#wasQuotedFrom	microsoft.com