Has anyone seen Open Calais [1]? It does tagging and categorization. It's been around for years and seems pretty powerful. It's a bit lower-level than Algorithm

Has anyone seen Open Calais [1]? It does tagging and categorization. It's been around for years and seems pretty powerful. It's a bit lower-level than Algorithmia (not href aware), but it seems more powerful, and a system like Algorithmia could be built on it. [1] http://www.opencalais.com/about http://www.opencalais.com/about