@inproceedings{BBK+01, author = {Berchtold, Stefan and Böhm, Christian and Keim, Daniel A. and Krebs, Florian and Kriegel, Hans-Peter}, booktitle = {Proc. 8th Int. Conf. on Database Theory}, pages = {435--449}, title = {On Optimizing Nearest Neighbor Queries in High--Dimensional Spaces}, year = {2001} }