HCIR 2011: Keynote: Dr. Gary Marchionini, "HCIR: Now the Tricky Part"

HCIR 2011 Symposium on Human-Computer Interaction and Information Retrieval October 20, 2011 Mountain View, CA Keynote Address Dr. Gary Marchionini, "HCIR: Now the Tricky Part" for more info: http://hcir.info/hcir-2011