1. Columbia University at DUC 2004 McKeown, Kathleen; Barzilay, Regina; Nenkova, Ani; Schiffman, Barry; Sigelman, Sergey; Schlaiker, Andrew; Blair-Goldensohn, Sasha; Hatzivassiloglou, Vasileios; Evans, David; Siddharthan, Advaith 2004 Presentations (Communicative Events) Computer scienceInformation technology