{HEAD ~ The tool} can categorize and cluster {TAIL ~ content} by feature, to assemble a library of scenes or scene clusters according to user selected criteria 
categorize
{ HEAD ~ The tool } can categorize and cluster { TAIL ~ content } by feature , to assemble a library of scenes or scene clusters according to user selected criteria
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH