Die Seite von den Autoren (Diplomanden) des Buches http://www.amazon.de/E-Learning-2-0-Einsatz-Nutzer-WikiBlog-Caster/dp/3940317160/ref=sr_1_2?ie=UTF8&s=gateway&qid=1201107646&sr=8-2
How are blogfolios different from e-Portfolios? They aren't exactly, they're more of a subset of e-Portfolios, or another way of looking at the traditional e-Portfolio.
Mike Malloch argues that groupwise tagging for semantic content is a key research problem, because it does not work well currently, and for social software that is the primary way in which the program can learn about the user/learner's understanding.
S. Hausmann, и K. Götzelt. Tagungsband der Multikonferenz Wirtschaftsinformatik (MKWI), стр. 1461--1472. Göttingen, Universitätsverlag Göttingen, (февраля 2010)