OpenCalais.com – Semantic Web and Metadata
OpenCalais is new web service which aims to construct a more semantic web by offering metadata enrichment to web apps and services. Calais attaches semantic metadata to content you submit—associating it with relevant people, places, facts and events. From there, users can build graphs, networks, trees, whatever to display links—improving site navigation, adding contextual information, creating folksonomies, etc. Essentially, bloggers,...