@inproceedings{liu-etal-2016-intra,
    title = "Intra-Topic Variability Normalization based on Linear Projection for Topic Classification",
    author = "Liu, Quan  and
      Guo, Wu  and
      Ling, Zhen-Hua  and
      Jiang, Hui  and
      Hu, Yu",
    editor = "Knight, Kevin  and
      Nenkova, Ani  and
      Rambow, Owen",
    booktitle = "Proceedings of the 2016 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2016",
    address = "San Diego, California",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/N16-1051/",
    doi = "10.18653/v1/N16-1051",
    pages = "441--446"
}