id: 70763703 dt: a an: 70763703 au: Lin, Yu-Tzu; Tsai, Hsiao-Ying; Chang, Chia-Hu; Lee, Greg C. ti: Learning-focused structuring for blackboard lecture videos so: ICSC, 149-155 (2010). py: 2010 pu: la: EN cc: ut: ci: li: doi:10.1109/ICSC.2010.72