sentences:  Tim Berners-Lee predicted in 2001 that the semantic web "will likely profoundly change the very nature of how scientific knowledge is produced and shared, in ways that we can now barely imagine".Revisiting the semantic web in 2006, he and his colleagues believed the semantic web "could bring about a revolution in how, for example, scientific content is managed throughout its life cycle".Researchers could directly self-publish their experiment data in "semantic" format on the web.