クラスタリングの定番アルゴリズム「K-means法」をビジュアライズしてみた - てっく煮ブログ
http://d.hatena.ne.jp/nitoyon/20090409/kmeans_visualise

おもしろい

1. 各点にランダムにクラスタを割り当てる 2. クラスタの重心を計算する。 3. 点のクラスタを、一番近い重心のクラスタに変更する 4. 変化がなければ終了。変化がある限りは 2. に戻る。

-means 法（K平均法）

1. 各点にランダムにクラスタを割り当てる 2. クラスタの重心を計算する。 3. 点のクラスタを、一番近い重心のクラスタに変更する 4. 変化がなければ終了。変化がある

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Hazelcast is a clustering and highly scalable data distribution platform for Java. Features: Distributed implementations of java.util.{Queue, Set, List, Map} Distributed implementation of java.util.concurrency.locks.Lock Distributed implementation of java.util.concurrent.ExecutorService Distributed MultiMap for one-to-many relationships Distributed Topic for publish/subscribe messaging Transaction support and J2EE container integration via JCA Socket level encryption support for secure clusters Synchronous (write-through) and asynchronous (write-behind) persistence Second level cache provider for Hibernate Monitoring and management of the cluster via JMX Dynamic HTTP session clustering Support for cluster info and membership events Dynamic discovery Dynamic scaling Dynamic partitioning with backups Dynamic fail-over

Hazelcast is a clustering and highly scalable data distribution platform for Java.

Hazelcast is a clustering and highly scalable data distribution platform for Java. Features: * Distributed implementations of java.util.{Queue, Set, List, Map} * Distributed implementation of java.util.concurrency.locks.Lock * Distributed implementation of java.util.concurrent.ExecutorService * Distributed MultiMap for one-to-many relationships * Distributed Topic for publish/subscribe messaging * Transaction support and J2EE container integration via JCA * Socket level encryption support for secure clusters * Synchronous (write-through) and asynchronous (write-behind) persistence * Second level cache provider for Hibernate * Monitoring and management of the cluster via JMX * Dynamic HTTP session clustering * Support for cluster info and membership events * Dynamic discovery * Dynamic scaling * Dynamic partitioning with backups * Dynamic fail-over Hazelcast is for you if you want to * share data/state among many s

data distribution platform