{HEAD ~ The semantic object data model} defined by the album includes {TAIL ~ one or more semantic objects}, each of which includes one or more attributes that define a characteristic of the semantic objects 
includes
{ HEAD ~ The semantic object data model } defined by the album includes { TAIL ~ one or more semantic objects } , each of which includes one or more attributes that define a characteristic of the semantic objects
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH