Document Understanding Conference
DUC 2007


April 26, 2007

9:15–9:25 Opening
9:25–10:15 Overview of DUC 2007 Tasks and Evaluation Results; Pyramid Evaluation
Hoa Trang Dang; Lucy Vanderwende
10:15–10:30 UNC-CH at DUC 2007: Query Expansion, Lexical Simplification, and Sentence Selection Strategies for Multi-Document Summarization
Catherine Blake, Julia Kampov, Andreas Orphanides, David West, and Cory Lown
10:30–11:00 Break
11:00–11:30 A Contextual Query Expansion Approach by Term Clustering for Robust Text Summarization
Massih Amini and Nicolas Usunier
11:30–11:45 GOFAIsum: A Symbolic Summarizer for DUC
Fabrizio Gotti, Guy Lapalme, Luka Nerima, and Eric Wehrli
11:45–12:00 The Pythy Summarization System: Microsoft Research at DUC2007
Kristina Toutanova, Chris Brockett, Michael Gamon, Jagadeesh Jagarlamudi, Hisami Suzuki, and Lucy Vanderwende
12:00–2:00 Lunch
2:00–2:30 LCC's GISTexter at DUC 2007: Machine Reading for Update Summarization
Andrew Hickl, Kirk Roberts, and Finley Lacatusu
2:30–3:00 The LIA Summarization System at DUC 2007
Florian Boudin, Frederic Bechet, Marc El-Beze, Benoit Favre, Laurent Gillard, and Juan-Manuel Torres-Moreno
3:00–3:15 Summaries vs. Documents in Extraction of Update Summaries
Maheedhar Kolla, Olga Vechtomova, and Charles L. A. Clarke
3:15–3:30 NUS at DUC 2007: Using Evolutionary Models of Text
Ziheng Lin, Tat-Seng Chua, Min-Yen Kan, Wee Sun Lee, Long Qiu, and Shiren Ye
3:30–4:00 Break
4:00–4:30 Employing Multiple Alternative Sentence Compressions for Automatic Text Summarization
Nitin Madnani, David Zajic, Bonnie Dorr, Necip Fazil Ayan, and Jimmy Lin
4:30–5:00 Bridging the ROUGE/Human Evaluation Gap in Multi-Document Summarization
John M. Conroy, Judith D. Schlesinger, and Dianne P. O'Leary
5:00–5:30 Discussion: DUC 2007 System Approaches

April 27, 2007

9:15–10:30 Future Planning: Document Understanding... It's Not Just Summarization Anymore
10:30–11:00 Break
11:00–11:30 TREC Question Answering Tasks and Evaluations
Hoa Trang Dang
11:30–11:40 Towards Closing the Gap
John M. Conroy
11:40–12:15 Discussion: Evaluation Metrics