{HEAD ~ A program module} for filtering out predetermined data sets may determine {TAIL ~ the structure} of the extracted content, and the determination of the structure of the extracted content may involve mapping a data structure defined in the data warehouse schema to a data structure supported by the portfolio management database 
determine
{ HEAD ~ A program module } for filtering out predetermined data sets may determine { TAIL ~ the structure } of the extracted content , and the determination of the structure of the extracted content may involve mapping a data structure defined in the data warehouse schema to a data structure supported by the portfolio management database
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