determining whether an attribute that is associated with a first semantic object is {HEAD ~ an object link attribute} that relates {TAIL ~ the first semantic object} to another semantic object in the semantic object model and, if so: 
relates
determining whether an attribute that is associated with a first semantic object is { HEAD ~ an object link attribute } that relates { TAIL ~ the first semantic object } to another semantic object in the semantic object model and , if so :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH