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Witteman, H., Chandrashekar, S., Betel, L. & O’Grady, L. (2007). Sense-making and credibility of health information on the social web: A multi-method study accessing tagging and tag clouds. In T. Bastiaens & S. Carliner (Eds.), Proceedings of E-Learn 2007--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 6905-6910). Quebec City, Canada: Association for the Advancement of Computing in Education (AACE).