Anselm Spoerri Handwritten Notes as a Visual Interface to Index, Edit and Publish Audio/Video Highlights. 116-132 2002 conf/jcdl/2002vidl Visual Interfaces to Digital Libraries http://link.springer.de/link/service/series/0558/bibs/2539/25390116.htm db/conf/jcdl/vidl2002.html#Spoerri02a