About: http://webisa.webdatacommons.org/428197830

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	I ran a debugger and found that there was an issue in my freeTree when this function call was made so I commented out the delete r in freeTree() function that is located in my BST.h and it worked.
http://www.w3.org/ns/prov#wasQuotedFrom	cplusplus.com