Jonathan Goldstein John C. Platt Christopher J. C. Burges Redundant Bit Vectors for Quickly Searching High-Dimensional Regions. 137-158 2004 conf/dsmml/2004 Deterministic and Statistical Methods in Machine Learning http://dx.doi.org/10.1007/11559887_9 db/conf/dsmml/dsmml2004.html#GoldsteinPB04