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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 stem(p,i,j), p is a char pointer, and the string to be stemmed is from p[i] to p[j]
http://www.w3.org/ns/prov#wasQuotedFrom	programmingpraxis.com