Mahout 是 Apache Software Foundation（ASF） 旗下的一个开源项目，提供一些可扩展的机器学习领域经典算法的实现，旨在帮助开发人员更加方便快捷地创建智能应用程序。Apache Mahout项目已经发展到了它的第三个年头，目前已经有了三个公共发行版本。Mahout包含许多实现，包括集群、分类、推荐过滤、频繁子项挖掘。此外，通过使用 Apache Hadoop 库，Mahout 可以有效地扩展到云中。 -Mahout is Apache Software Foundation (ASF), a subsidiary of an open source project, provide some extensible machine learning classical field implementation of algorithm is designed to help developers more convenient and quick to create intelligent application. Apache Mahout project has developed to its third year, at present there are three public release version. Mahout contains many implemented, including cluster, classification, and recommend filtering, frequent items mining. In addition, through the use of Apache Hadoop library, Mahout can effectively expands to the cloud.