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