determining, based on the metagraph, another type for {HEAD ~ another node} of {TAIL ~ the given received pair} of connected nodes; and 
of
determining , based on the metagraph , another type for { HEAD ~ another node } of { TAIL ~ the given received pair } of connected nodes ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH