@inproceedings{malandrakis-etal-2012-deeppurple,
    title = "{D}eep{P}urple: Estimating Sentence Semantic Similarity using N-gram Regression Models and Web Snippets",
    author = "Malandrakis, Nikos  and
      Iosif, Elias  and
      Potamianos, Alexandros",
    editor = "Agirre, Eneko  and
      Bos, Johan  and
      Diab, Mona  and
      Manandhar, Suresh  and
      Marton, Yuval  and
      Yuret, Deniz",
    booktitle = "*{SEM} 2012: The First Joint Conference on Lexical and Computational Semantics {--} Volume 1: Proceedings of the main conference and the shared task, and Volume 2: Proceedings of the Sixth International Workshop on Semantic Evaluation ({S}em{E}val 2012)",
    month = "7-8 " # jun,
    year = "2012",
    address = "Montr{\'e}al, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/S12-1082/",
    pages = "565--570"
}Markdown (Informal)
[DeepPurple: Estimating Sentence Semantic Similarity using N-gram Regression Models and Web Snippets](https://preview.aclanthology.org/ingest-emnlp/S12-1082/) (Malandrakis et al., SemEval-*SEM 2012)
ACL