Ruby client code for accessing OpenCalais and Metaweb/Freebase web services

I wrote a Ruby API for accessing OpenCalais this morning. OpenCalais processes text and extracts semantic information.

On a slightly related subject: I have enjoyed experimenting with the Python Metaweb APIs in the last year, and I just wrote about in my AI blog about Christopher Eppstein's new ActiveRecord like API for accessing structured data in Freebase.

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