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in reply to Re: Re: Sorting by geographical proximity / clumping groups of items based on X and Y
in thread Sorting by geographical proximity / clumping groups of items based on X and Y

But you need more than that, otherwise the "Put each complaint in its own clump" is still a solution. It's tempting to add the restriction that you want to minimize the number of clumps, but that smells very much to an NP-complete covering problem.

Abigail

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