About: http://webisa.webdatacommons.org/192094480

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	You cannot compare an int with an array...since your grades is a 2d array, you need to specify another index mingrade < grades[i][0] or something to that effect.
http://www.w3.org/ns/prov#wasQuotedFrom	javaprogrammingforums.com