Yi YANG
楊毅
PhD in Computer Science
Northwestern University, 2015

Assistant Professor
Department of Information Systems, Business Statistics and Operations Management



(852) 2358 6359
imyiyang@ust.hk
Room LSK4041
Personal Web

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ORCID
0000-0001-8863-112X




Research Interest Publications Projects Teaching Assignment RPG Supervision Space used




Research Interest

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Machine learning
National language processing
Big data
Deep learning



Publications

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All Years 14 2022 0 2021 3 2020 4 2019 2 2018 1 2017 1 2016 3

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2021 3

Analyzing Firm Reports for Volatility Prediction: A Knowledge-Driven Text-Embedding Approach
INFORMS Journal on Computing, 15 Apr 2021
Yang, Yi; Zhang, Kunpeng; Fan, Yangyang Article
Identifying Market Structure: A Deep Network Representation Learning of Social Engagement
Journal of Marketing, 8 July 2021
Yang, Yi; Zhang, Kunpeng; Kannan, P.K. Article
Rumor Detection on Social Media with Event Augmentations
SIGIR 2021 - Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval / ACM. New York, NY, USA : ACM, 2021, p. 2020-2024, article no. 3463001
He, Zhenyu; Li, Ce; Zhou, Fan; Yang, Yi Conference paper

2020 4

Generating Plausible Counterfactual Explanations for Deep Transformers in Financial Text Classification
Proceedings of the International Conference on Computational Linguistics, v. 2020, December 2020, p. 6150-6160
Yang, Linyi; Kenny, Eoin; Ng, Tin Lok; Yang, Yi; Smith, Barry; Dong, Ruihai Conference paper
Interpretable Operational Risk Classification with Semi-supervised Variational Autoencoder
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics / Association for Computational Linguistics. Association for Computational Linguistics, 2020, p. 846-852
Fan, Zhou; Zhang, Shengming; Yang, Yi Conference paper
Interpreting Twitter User Geolocation
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics / Association for Computational Linguistics. Association for Computational Linguistics, 2020, p. 853-859
Zhong, Ting; Wang, Tianliang; Zhou, Fan; Trajcevski, Goce; Zhang, Kunpeng; Yang, Yi Conference paper
Neural Topic Model with Attention for Supervised Learning
Proceedings of Machine Learning Research, v. 108, August 2020, p. 1147-1156
Wang, Xinyi; Yang, Yi Conference paper

2019 2

Shedding Light on the Black Box Machine Learning Models: Reasonable and Counterfactual Explanations
The 15th annual Symposium on Statistical Challenges in Electronic Commerce Research (SCECR 2019), Hong Kong, 11-12 June 2019
Yang, Yi; Zhu, Yingpeng Conference paper
What You Say and How You Say It Matters: Predicting Stock Volatility Using Verbal and Vocal Cues
Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics / Anna Korhonen, David Traum, Lluís Màrquez (Editors). Stroudsburg, USA : Association for Computational Linguistics, 2019, p. 390-401
Yu, Qin; Yang, Yi Conference paper

2018 1

vec2link: Unifying Heterogeneous Data for Social Link Prediction
International Conference on Information and Knowledge Management, Proceedings, October 2018, p. 1843-1846
Zhou, Fan; Trajcevski, Goce; Wu, Bangying; Zhang, Kunpeng; Yang, Yi; Zhong, Ting Conference paper

2017 1

Market Structure Discovery from Social Media Engagement: A Network Embedding Based Approach
2017 Workshop on Information Technologies and Systems (WITS 2017), Seoul, South Korea, 13-14 December 2017
Yang, Yi; Kunpeng zhang Conference paper

2016 2

The Stability and Usability of Statistical Topic Models
ACM Transactions on Interactive Intelligent Systems (TiiS), v. 6, (2), July 2016, article number 14, p. 1-23
Yang, Yi; Pan, Shimei; Lu, Jie; Topkara, Mercan; Song, Yangqiu Article
Improving Topic Model Stability for Effective Document Exploration
Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence (IJCAI-16), 2016, article number v. 2016-January, p. 4223-4227
Yang, Yi; Pan, Shimei; Song, Yangqiu; Lu, Jie; Topkara, Mercan Conference paper

2014 1

Incorporating Conditional Random Fields and Active Learning to Improve Sentiment Identification
Neural Networks, v. 58, October 2014, p. 60-67
Zhang, Kunpeng; Xie, Yusheng; Yang, Yi; Sun, Aaron; Liu, Hengchang; Choudhary, Alok Article


Expand All Collapse All


Article 2

Analyzing Firm Reports for Volatility Prediction: A Knowledge-Driven Text-Embedding Approach
INFORMS Journal on Computing, 15 Apr 2021
Yang, Yi; Zhang, Kunpeng; Fan, Yangyang
Identifying Market Structure: A Deep Network Representation Learning of Social Engagement
Journal of Marketing, 8 July 2021
Yang, Yi; Zhang, Kunpeng; Kannan, P.K.

Conference paper 1

Rumor Detection on Social Media with Event Augmentations
SIGIR 2021 - Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval / ACM. New York, NY, USA : ACM, 2021, p. 2020-2024, article no. 3463001
He, Zhenyu; Li, Ce; Zhou, Fan; Yang, Yi


Expand All Collapse All


Conference paper 4

Generating Plausible Counterfactual Explanations for Deep Transformers in Financial Text Classification
Proceedings of the International Conference on Computational Linguistics, v. 2020, December 2020, p. 6150-6160
Yang, Linyi; Kenny, Eoin; Ng, Tin Lok; Yang, Yi; Smith, Barry; Dong, Ruihai
Interpretable Operational Risk Classification with Semi-supervised Variational Autoencoder
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics / Association for Computational Linguistics. Association for Computational Linguistics, 2020, p. 846-852
Fan, Zhou; Zhang, Shengming; Yang, Yi
Interpreting Twitter User Geolocation
Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics / Association for Computational Linguistics. Association for Computational Linguistics, 2020, p. 853-859
Zhong, Ting; Wang, Tianliang; Zhou, Fan; Trajcevski, Goce; Zhang, Kunpeng; Yang, Yi
Neural Topic Model with Attention for Supervised Learning
Proceedings of Machine Learning Research, v. 108, August 2020, p. 1147-1156
Wang, Xinyi; Yang, Yi


Expand All Collapse All


Conference paper 2

Shedding Light on the Black Box Machine Learning Models: Reasonable and Counterfactual Explanations
The 15th annual Symposium on Statistical Challenges in Electronic Commerce Research (SCECR 2019), Hong Kong, 11-12 June 2019
Yang, Yi; Zhu, Yingpeng
What You Say and How You Say It Matters: Predicting Stock Volatility Using Verbal and Vocal Cues
Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics / Anna Korhonen, David Traum, Lluís Màrquez (Editors). Stroudsburg, USA : Association for Computational Linguistics, 2019, p. 390-401
Yu, Qin; Yang, Yi


Expand All Collapse All


Conference paper 1

vec2link: Unifying Heterogeneous Data for Social Link Prediction
International Conference on Information and Knowledge Management, Proceedings, October 2018, p. 1843-1846
Zhou, Fan; Trajcevski, Goce; Wu, Bangying; Zhang, Kunpeng; Yang, Yi; Zhong, Ting


Expand All Collapse All


Conference paper 1

Market Structure Discovery from Social Media Engagement: A Network Embedding Based Approach
2017 Workshop on Information Technologies and Systems (WITS 2017), Seoul, South Korea, 13-14 December 2017
Yang, Yi; Kunpeng zhang


Expand All Collapse All


Article 1

The Stability and Usability of Statistical Topic Models
ACM Transactions on Interactive Intelligent Systems (TiiS), v. 6, (2), July 2016, article number 14, p. 1-23
Yang, Yi; Pan, Shimei; Lu, Jie; Topkara, Mercan; Song, Yangqiu

Conference paper 1

Improving Topic Model Stability for Effective Document Exploration
Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence (IJCAI-16), 2016, article number v. 2016-January, p. 4223-4227
Yang, Yi; Pan, Shimei; Song, Yangqiu; Lu, Jie; Topkara, Mercan


Expand All Collapse All


Article 1

Incorporating Conditional Random Fields and Active Learning to Improve Sentiment Identification
Neural Networks, v. 58, October 2014, p. 60-67
Zhang, Kunpeng; Xie, Yusheng; Yang, Yi; Sun, Aaron; Liu, Hengchang; Choudhary, Alok


Expand All Collapse All


2016 2

The Stability and Usability of Statistical Topic Models
ACM Transactions on Interactive Intelligent Systems (TiiS), v. 6, (2), July 2016, article number 14, p. 1-23
Yang, Yi; Pan, Shimei; Lu, Jie; Topkara, Mercan; Song, Yangqiu Article
Improving Topic Model Stability for Effective Document Exploration
Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence (IJCAI-16), 2016, article number v. 2016-January, p. 4223-4227
Yang, Yi; Pan, Shimei; Song, Yangqiu; Lu, Jie; Topkara, Mercan Conference paper

2014 1

Incorporating Conditional Random Fields and Active Learning to Improve Sentiment Identification
Neural Networks, v. 58, October 2014, p. 60-67
Zhang, Kunpeng; Xie, Yusheng; Yang, Yi; Sun, Aaron; Liu, Hengchang; Choudhary, Alok Article


No Publications






Teaching Assignment

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2021-22 Winter 0 2021-22 Fall 0 2020-21 Summer 1 2020-21 Spring 3 2020-21 Winter 0 2020-21 Fall 0

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UROP1100D Undergraduate Research Opportunities Series 1


ISOM3360 Data Mining for Business Analytics
ISOM3370 Big Data Technologies
ISOM5270 Big Data Analytics


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments


No Teaching Assignments






Research Postgraduate (RPG) Supervision From January 2019 to December 2022 (As of 30 January 2022)

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All Supervisions Current RPGs Graduated RPGs

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Current RPGs

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Doctor of Philosophy GUO, Yue (co-supervision)
Data Science and Analytics( 2021 - )

ZHU, Yingpeng
Information Systems( 2019 - )

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Master of Philosophy MENG, Zihan (co-supervision)
Data Science and Analytics( 2020 - )

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Graduated RPGs

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Master of Philosophy ZHU, Yingpeng
Information Systems( Completed in 2019 )









ProjectsFrom January 2020 to December 2022

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All Projects 3 Leading Projects 1 Participating Projects 2

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Technologies of Fusion Perception and Collaborative Processing for Behavior Big Data in Cyberspace


網絡空間行為大數據的融合感知與協同處理關鍵技術 Participating


National Natural Science Foundation of China


Project Team (HKUST)
SONG Yangqiu
YANG Yi


2021 -




Beyond Text: The Information Role of Voice in Financial Market


音頻分析在金融市場裏的信息價值 Leading


RGC - Early Career Scheme


Project Team (HKUST)
YANG Yi (Lead)


2020 -




Contributing to the Development of Hong Kong into a Global Fintech Hub


促進香港成為全球的金融科技樞紐 Participating


RGC - Theme-based Research Scheme


Project Team (HKUST)
TAM Kar Yan (Lead)
BHATTACHARYA Utpal
CHEN Yanzhen
HUANG Allen Hao
HUI Kai Lung
JAMES Lancelot Fitzgerald
LI Yingying
LING Shiqing
SO Mike Ka Pui
XU Yan
YANG Yi
YEUNG Dit Yan
YOU Haifeng
ZHANG Chu
ZHENG Rong
ZHENG Xinghua


2019 -