On Tue, Mar 05, 2002 at 01:20:46PM -0800, Scott Doty wrote:
> 
> I wasn't aware that nilsimsa required one to check against all the
> hashes in the database.  I take it there's no way to index the hashes
> to speed up matches?  (e.g., maybe only check hashes that have approximately
> the same number of bits set as the test hash?) (Throw me a line here... ;)

There was discussion about this about a month ago on the razor-users mailing
list...

   http://www.geocrawler.com/archives/3/2539/2002/2/250/7805935/

See
   http://www.geocrawler.com/archives/3/2539/2002/2/250
to pick up the thread, including Vipul's idea of "Ephemeral Hashes".

 -Scott

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