About me

I am a fifth-year Ph.D. student at CUHK Text Mining Group. My advisor is Prof. Wai Lam. Prior to joining in CUHK, I obtained my B.Eng. degree from School of Data and Computer Science, Sun Yat-Sen University in 2016. It’s my honor having worked with Prof. Yanghui Rao from SYSU, Dr. Chin-Yew Lin from Microsoft Research Asia, Dr. Jing Liu from Baidu NLP, Dr. Lidong Bing from Alibaba Damo Academy and Dr. {Piji Li, Bei Shi, Wei Bi, Yan Wang, Xiaojiang Liu} from Tencent AI Lab.

You can contact me via email.

Research interests

Deep Learning for Natural Language Understanding
Neural Text Generation
Cross-lingual NLP

Education

2016-present, Ph.D. student, The Chinese University of Hong Kong, Department of Systems Engineering and Engineering Management. Advisor: Prof. Wai Lam
2012-2016, B.Eng., Sun Yat-Sen University, School of Data and Computer Science

Experiences

Jan 2018-Apr 2018, Research Intern, NLP Center@Tencent AI Lab. Mentor: Dr. Lidong Bing and Dr. Piji Li.
Jul 2015-Jun 2016, Research intern, Knowledge Computing Group@Microsoft Research Asia. Mentor: Dr. Chin-Yew Lin and Dr. Jing Liu
Sep 2014-July 2015, Research assistant, SentiNet Group, Sun Yat-Sen University. Supervisor: Prof. Rao Yanghui

Manuscripts & Publications [Google Scholar]

Enhancing Dialogue Generation via Multi-Level Contrastive Learning
Xin Li, Piji Li, Yan Wang, Xiaojiang Liu and Wai Lam.
arXiv:2009.09147.
Pyramid Mask Text Detector.
Jingchao Liu, Xuebo Liu, Jie Sheng, Ding Liang, Xin Li, Qingjie Liu.
arXiv:1903.11800.
[code]
Relevance-Promoting Language Model for Short-Text Conversation.
Xin Li, Piji Li, Wei Bi, Xiaojiang Liu and Wai Lam.
In AAAI 2020 (Full paper, poster).
[poster]
Exploiting BERT for End-to-End Aspect-Based Sentiment Analysis.
Xin Li, Lidong Bing, Wenxuan Zhang and Wai Lam.
In EMNLP 2019 Workshop W-NUT.
[code][bibtex]
Transferable End-to-End Aspect-based Sentiment Analysis with Selective Adversarial Learning.
Zheng Li, Xin Li, Ying Wei, Lidong Bing, Yu Zhang, and Qiang Yang.
In EMNLP 2019 (Full Paper, oral).
[code][bibtex]
A Unified Model for Opinion Target Extraction and Target Sentiment Prediction.
Xin Li, Lidong Bing, Piji Li and Wai Lam.
In AAAI 2019 (Full paper, poster).
[code][slides][bibtex]
Exploiting Coarse-to-Fine Task Transfer for Aspect-level Sentiment Classification.
Zheng Li, Ying Wei, Yu Zhang, Xiang Zhang, Xin Li and Qiang Yang.
In AAAI 2019 (Full paper, oral).
[data][bibtex]
Transformation Networks for Target-Oriented Sentiment Classification.
Xin Li, Lidong Bing, Wai Lam, Bei Shi.
In ACL 2018 (Full paper, oral).
[code][dataset][slides][bibtex][code from ABSA_pytorch (recommended)]
Aspect Term Extraction with History Attention and Selective Transformation.
Xin Li, Lidong Bing, Piji Li, Wai Lam, Zhimou Yang.
In IJCAI 2018 (Full paper, oral).
[code][dataset][slides][bibtex]
Deep Multi-task Learning for Aspect Term Extraction with Memory Interaction.
Xin Li, Wai Lam.
In EMNLP 2017 (Short paper, oral).
[slides][bibtex]
Social Emotion Classification Based on Noise Aware Training.
Xin Li, Haoran Xie, Yanghui Rao, Xuebo Liu, Tak-Lam Wong, Fu Lee Wang.
In Data and Knowledge Engineering Journal (DKE Journal).
ZhihuRank: A Topic-Sensitive Expert Finding Algorithm in Community Question Answering Websites.
Xuebo Liu, Shuang Ye, Xin Li, Yonghao Luo and Yanghui Rao.
In ICWL 2015 (The 14th International Conference on Web-based Learning).
[slides]

Honors & Awards

Jun 2016, Outstanding Graduates Awards, Sun Yat-Sen University.
May 2016, Excellent Undergraduate Thesis award, Sun Yat-Sen University.

Professional Activities

Reviewer (or PC Member): ACL 2020, EMNLP 2018-2020, AAAI 2019-2020, ACM TKDD, ACM TALLIP, Neurocomputing
Secondary Reviewer: CIKM 2017-2019, WSDM 2018-2019, WWW 2018-2019, KDD 2018, NAACL 2018-2019, SIGIR 2019

Some Useful Notes & Links

Introduction to Neural Word Embeddings. [pdf]
Tutorial for Statistical Machine Translation.
Tutorial for Neural Machine Translation.
How to write a great research paper.

Hobbies

Playing basketball
Swimming
Hiking