1 code implementation • 28 Oct 2020 • Yang Qian, Yuanchun Jiang, Yidong Chai, Yezheng Liu, Jiansha Sun
Topic models provide a flexible and principled framework for exploring hidden structure in high-dimensional co-occurrence data and are commonly used natural language processing (NLP) of text.
no code implementations • 7 Mar 2020 • Zhe Li, Chunhua Sun, Chunli Liu, Xiayu Chen, Meng Wang, Yezheng Liu
To address these issues, we focus on semi-supervised outlier detection with few identified anomalies, in the hope of using limited labels to achieve high detection accuracy.
2 code implementations • 28 Sep 2018 • Yezheng Liu, Zhe Li, Chong Zhou, Yuanchun Jiang, Jianshan Sun, Meng Wang, Xiangnan He
In this paper, we approach outlier detection as a binary-classification issue by sampling potential outliers from a uniform reference distribution.