Systems, methods, and software for processing a question relative to one or more of a plurality of population research databases. Aspects of the disclosure allow researchers to find appropriate data sets or data providers in an efficient manner by enabling researchers to identify characteristics of proprietary data without requiring curators of such data to reveal the data itself. In this way, legal concerns can be assuaged and data- sharing agreements can be avoided until appropriate data sets or data providers have already been identified, thus minimizing the cost and maximizing the benefit of obtaining such data- sharing agreements. In some embodiments, such data- sharing agreements may be automatedly arranged and research questions may be automatedly and comprehensively answered.
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