"What is Calais?
We want to make all the world's content more accessible, interoperable and valuable. Some call it Web 2.0, Web 3.0, the semantic web or the Giant Global Graph - we call our piece of it Calais.
The core of Calais is our web service. We're working to make this service more accessible by developing sample applications, supporting developers and offering bounties for specific capabilities.
For more information - please visit our FAQ."
I just heard about this link through reddit; this is the kind of system that botlist could be.