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Kunimune, H., Yokoyama, K., Takizawa, T. & Fuwa, Y. (2009). Annotation Sharing System for Web-based Learning Materials and Method for Realigning Annotations in Updated Materials. In G. Siemens & C. Fulford (Eds.), Proceedings of ED-MEDIA 2009--World Conference on Educational Multimedia, Hypermedia & Telecommunications (pp. 3416-3421). Honolulu, HI, USA: Association for the Advancement of Computing in Education (AACE).