{HEAD ~ The invention} relates to {TAIL ~ a device} and a method for performing a cache process on data 
{ HEAD ~ The invention } relates to { TAIL ~ a device } and a method for performing a cache process on data
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH