public KamEdge resolve(final Kam kam, final KAMStore kAMStore,
final String subject, final RelationshipType r,
final String object, Map<String, String> nsmap, Equivalencer eq)
throws ResolverException {
if (nulls(kam, kAMStore, subject, r, object, eq)) {
throw new InvalidArgument(
"null parameter(s) provided to resolve API.");
}
// resolve subject bel term to kam node.
final KamNode subjectKamNode = resolve(kam, kAMStore, subject, nsmap, eq);