@inproceedings{liu-etal-2010-pem,
    title = "{PEM}: A Paraphrase Evaluation Metric Exploiting Parallel Texts",
    author = "Liu, Chang  and
      Dahlmeier, Daniel  and
      Ng, Hwee Tou",
    editor = "Li, Hang  and
      M{\`a}rquez, Llu{\'i}s",
    booktitle = "Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2010",
    address = "Cambridge, MA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/D10-1090/",
    pages = "923--932"
}