It might seem redundant to have semantic tagging when you can basically find anything you can think of with simple searches in Google or Yahoo. But del.icio.us seems to be most surprising when you're trying to find things that relate to what you're intere
R. Rodr\'ıguez, J. Júlvez, and J. Merseguer. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, (Jul 29, 2013)