| http://www.w3.org/ns/prov#value | - Without being explicit about it, we are lumping together in terms of ???real income???: somebody who prefers living in Manhattan with someone who prefers living in the Midwest; someone for whom an Ivy League education for their children is a must with someone for whom it is not; someone who could get along with the medical state of the art in 1958 with someone who could not; or people whose countr
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