| http://www.w3.org/ns/prov#value | - In one embodiment, the reference data clusters 1140, such as described with respect to FIG. 10, are stored in a memory device, such as an EPROM. The estimated parameter 1130 is compared with the reference data clusters 1140 so as to determine the closest region 1010 (FIG. 10) or closest overlapping portion of two regions 1010 (FIG. 10).
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