Given a continuous source of {HEAD ~ data} relating to transactions, the transaction data may be segmented and processed in {TAIL ~ a data flow arrangement}, optionally in parallel, and the data may be processed without storing the data in an intermediate database 
Given a continuous source of { HEAD ~ data } relating to transactions , the transaction data may be segmented and processed in { TAIL ~ a data flow arrangement } , optionally in parallel , and the data may be processed without storing the data in an intermediate database
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH