@inproceedings{pierce-cardie-2001-limitations,
    title = "Limitations of Co-Training for Natural Language Learning from Large Datasets",
    author = "Pierce, David  and
      Cardie, Claire",
    booktitle = "Proceedings of the 2001 Conference on Empirical Methods in Natural Language Processing",
    year = "2001",
    url = "https://preview.aclanthology.org/iwcs-25-ingestion/W01-0501/"
}