@inproceedings{xu-etal-2015-semeval,
    title = "{S}em{E}val-2015 Task 1: Paraphrase and Semantic Similarity in {T}witter ({PIT})",
    author = "Xu, Wei  and
      Callison-Burch, Chris  and
      Dolan, Bill",
    editor = "Nakov, Preslav  and
      Zesch, Torsten  and
      Cer, Daniel  and
      Jurgens, David",
    booktitle = "Proceedings of the 9th International Workshop on Semantic Evaluation ({S}em{E}val 2015)",
    month = jun,
    year = "2015",
    address = "Denver, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/S15-2001",
    doi = "10.18653/v1/S15-2001",
    pages = "1--11",
}
Markdown (Informal)
[SemEval-2015 Task 1: Paraphrase and Semantic Similarity in Twitter (PIT)](https://aclanthology.org/S15-2001) (Xu et al., SemEval 2015)
ACL