| Primary | Carenini, Giuseppe and Ng, Raymond T. and Zhou, Xiaodong (2008). Summarizing Emails with Conversational Cohesion and Subjectivity. ACL-2008. Also here |
| Supplementary | Paul, Michael and Zhai, ChengXiang and Girju, Roxana (2010). Summarizing Contrastive Viewpoints in Opinionated Text. EMNLP-2010. |
| Supplementary | Lerman, Kevin and McDonald, Ryan (2009). Sentiment Summarization: Evaluating and Learning User Preferences. EACL-2009. |