Spring provides a SockJS-less Websocket endpoint at `ws://host:port/socketentry/websocket` without using the SockJS bucket and session URL componets: `ws://host:port/socketentry/{bucket}/{session}/websocket`
A collection of index based algorithms for comparison purposes. Also contains RStarTrees for indexing and the DBSCAN algorithm. Yet, this library is not intended as a library and really is complicated to use (see http://elki.dbs.ifi.lmu.de/wiki/HowTo/InvokingELKIFromJava).