| http://www.w3.org/ns/prov#value | - ???There are a good many fields of investigation, particularly in the social sciences, where in fact if you say anything at all it will not be scientifically justified,??? Chester I. Barnard, president of the Rockefeller Foundation, wrote in 1951. ???And yet in all the affairs of life this kind of investigation seems to be necessary, and I don???t think it can be avoided.??? The subject of Barnard
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