For things like PostGIS, which will want to index in 4 dimensions(x, y, z, t), we might want to have multi-dimensional selectivityhistograms and some way to use same.
Anybody here qualified to check out this paper on the subject, pleasespeak up :)
Cheers,David.-- David Fetter <david(at)fetter(dot)org> http://fetter.org/Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetterSkype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com
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