Robert G. Capra Christopher A. Lee Gary Marchionini Terrell Russell Chirag Shah Frederic Stutzman Selection and context scoping for digital video collections: an investigation of youtube and blogs. 211-220 2008 JCDL http://doi.acm.org/10.1145/1378889.1378925 conf/jcdl/2008 db/conf/jcdl/jcdl2008.html#CapraLMRSS08