@inproceedings{tackstrom-mcdonald-2011-semi,
    title = "Semi-supervised latent variable models for sentence-level sentiment analysis",
    author = {T{\"a}ckstr{\"o}m, Oscar  and
      McDonald, Ryan},
    editor = "Lin, Dekang  and
      Matsumoto, Yuji  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2011",
    address = "Portland, Oregon, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/P11-2100/",
    pages = "569--574"
}Markdown (Informal)
[Semi-supervised latent variable models for sentence-level sentiment analysis](https://preview.aclanthology.org/ingest-emnlp/P11-2100/) (Täckström & McDonald, ACL 2011)
ACL