The batch version of this is part of rowSimilarities JIRA 4823 ...if your
query points can fit in memory there is broadcast version which we are
experimenting with internallywe are using brute force KNN right now in
the PR...based on flann paper lsh did not work well but before you go to
Spark SQL doesn't provide spatial features. Large-scale KNN is usually
combined with locality-sensitive hashing (LSH). This Spark package may
be helpful: http://spark-packages.org/package/mrsqueeze/spark-hash.
-Xiangrui
On Sat, May 9, 2015 at 9:25 PM, Dong Li lid...@lidong.net.cn wrote:
Hello
