Ubuntu Enterprise Cloud is the product, powered by Eucalyptus, that allows you to easily run your own Amazon-EC2-like private cloud n.b. there are posts/parts 2 and 3 to topic

Packages to facilitate natural language processing under Ubuntu Linux and other Debian-based platforms. The goal of Ubuntu NLP is to provide up-to-date packages for commonly used tools that can be easily installed and smoothly integrated into existing systems.