@inproceedings{intratopicvariabilitynormalizationbased,
  title = {Intra-Topic Variability Normalization based on Linear Projection for Topic Classification},
  author = {Quan Liu and Wu Guo and Zhen-Hua Ling and Hui Jiang and Yu Hu},
  year = {2016},
  booktitle = {NAACL 2016 6},
  url = {https://aclanthology.org/N16-1051},
}