Folks,
For things like PostGIS, which will want to index in 4 dimensions
(x, y, z, t), we might want to have multi-dimensional selectivity
histograms and some way to use same.
Anybody here qualified to check out this paper on the subject, please
speak up :)
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.23.8475
Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
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