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