{HEAD ~ A distributed collaborative computer system} is provided that comprises {TAIL ~ a plurality} of server computers interconnected via a high speed link 
comprises
{ HEAD ~ A distributed collaborative computer system } is provided that comprises { TAIL ~ a plurality } of server computers interconnected via a high speed link
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH