Apache Mahout: Scalable machine learning for everyone

“Two years is a seeming eternity in the software world. In the
past two years, we’ve seen the meteoric rise of social media, the
commoditization of large-scale clustered computing (thanks to
players like Amazon and RackSpace), and massive growth in data and
our ability to make sense of it. And it’s been two years since
“Introducing Apache Mahout” was first published on developerWorks.
Since then, the Mahout community — and the project’s code
base and capabilities — have grown significantly. Mahout has
also seen significant uptake by companies large and small across
the globe.