@inproceedings{johnson-2007-doesnt,
    title = "Why Doesn{'}t {EM} Find Good {HMM} {POS}-Taggers?",
    author = "Johnson, Mark",
    editor = "Eisner, Jason",
    booktitle = "Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning ({EMNLP}-{C}o{NLL})",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/D07-1031/",
    pages = "296--305"
}Markdown (Informal)
[Why Doesn’t EM Find Good HMM POS-Taggers?](https://preview.aclanthology.org/ingest-emnlp/D07-1031/) (Johnson, EMNLP-CoNLL 2007)
ACL
- Mark Johnson. 2007. Why Doesn’t EM Find Good HMM POS-Taggers?. In Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL), pages 296–305, Prague, Czech Republic. Association for Computational Linguistics.