Sean Kandel Andreas Paepcke Martin Theobald Hector Garcia-Molina Eric Abelson Photospread: a spreadsheet for managing photos. 1749-1758 2008 CHI http://doi.acm.org/10.1145/1357054.1357327 conf/chi/2008 db/conf/chi/chi2008.html#KandelPTGA08