{HEAD ~ The plurality} of articles is assigned to {TAIL ~ the plurality} of information extractors based on order in the queue, wherein an article with a higher rank is presented for information extraction before an article with a lower rank 
is assigned to
{ HEAD ~ The plurality } of articles is assigned to { TAIL ~ the plurality } of information extractors based on order in the queue , wherein an article with a higher rank is presented for information extraction before an article with a lower rank
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH