| http://www.w3.org/ns/prov#value | - Waterman actually believes that phase 1,2,3 were close together and phase 4 much later and perhaps should not really be considered part of the shift at all; there is some logic to this, since phase 1,2,3 affect successively smaller regions whereas phase 4 affects everywhere, including places not affected by phase 1, and affects only a single series, whereas the other affect (to some degree) all th
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