Calais is a rapidly growing toolkit of capabilities that allow you to readily incorporate state-of-the-art semantic functionality within your blog, content management system, website or application.
Meshin, an Outlook sidebar, boosts your productivity using semantic technologies to find the right information at the right time about people, companies, email communications and even documents.
F. Giunchiglia, P. Shvaiko, and M. Yatskevich. The Semantic Web: Research and Applications, volume 3053 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2004)
C. Schmitz, A. Hotho, R. Jäschke, and G. Stumme. Data Science and Classification. Proceedings of the 10th IFCS Conf., page 261--270. Heidelberg, Springer, (July 2006)