| http://www.w3.org/ns/prov#value | - But one service, unveiled this week, is betting that it is doing the next best thing by serving as a hub for class notes, papers and other materials -- and paying the students who supply them for their labors.Knetwit [1], as it is called, is a Web site that combines some familiar Web 2.0 features -- user profiles, file sharing, online communities -- with the goals of campus note-taking services.
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