| Primary | Ivan Titov and Ryan McDonald (2008). A Joint Model of Text and Aspect Ratings for Sentiment Summarization. ACL-2008. |
| Supplementary | Ana-Maria Popescu and Oren Etzioni (2005). Extracting Product Features and Opinions from Reviews. EMNLP-2005. |
| Supplementary | Zhao, Xin and Jiang, Jing and Yan, Hongfei and Li, Xiaoming (2010). Jointly Modeling Aspects and Opinions with a MaxEnt-LDA Hybrid. EMNLP-2010. |