Metro is a high-performance, extensible, easy-to-use web service stack. It is a one-stop shop for all your web service needs, from the simplest hello world web service to reliable, secured, and transacted web service that involves .NET services.
R. Angles, and C. Gutierrez. The Semantic Web: Research and Applications, volume 3532 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2005)