My friend and I are working on a project on distributed datastructures. We were wondering how much is nearest neighbor information used in modern recommendation systems and whether it would be worthwhile to work on a distributed datastructure (say a kd-tree) for that purpose.


  • $\begingroup$ Your question seems to require a lengthy essay style response. Do you think you could rephrase this into a few more focal questions? $\endgroup$ – russellpierce Feb 12 '13 at 23:03

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