Zongcheng Ji (吉宗诚)

E-mail: jizongcheng@gmail.com

Short Biography

• • 2020 ~ now, Senior Research Scientist at PAII Inc., Ping An Technology

  • 2016 ~ 2019, Research Fellow at SBMI, UTHealth, working with Prof. Hua XU

  • 2014 ~ 2016, Research Fellow at SCE, NTU, working with Prof. Gao CONG and Prof. Aixin SUN

  • 2013 ~ 2014, Researcher at Noah's Ark Lab, Huawei Technologies

  • 2008 ~ 2013, Ph.D. of ICT/CAS. Supervisor: Prof. Bin WANG and Prof. Qun LIU

  • 2004 ~ 2008, Bachelor of College of Computer Science, Sichuan University

Research Interests

My research focuses on Natural Language Processing, Information Extraction / Retrieval, Question Answering. Some topics of interest to me are:

• • Named Entity Recognition, Relation Extraction, Entity Linking (aka Normalization)

  • (Community) Question Answering / Chatting Robots / Short Text Conversation

Publications

• • Zongcheng Ji, Tian Xia, Mei Han and Jing Xiao. A Neural Transition-based Joint Model for Disease Named Entity Recognition and Normalization. In ACL, 2021. [paper]

  • Zongcheng Ji, Tian Xia and Mei Han. PAII-NLP at SMM4H 2021: Joint Extraction and Normalization of Adverse Drug Effect Mentions in Tweets. In Proceedings of the Sixth Social Media Mining for Health (# SMM4H) Workshop and Shared Task, 2021. [paper] 2nd place in the subtask 1c of the sixth SMM4H shared task, among 10 runs from 5 teams.

  • Zongcheng Ji, Omid Ghiasvand, Stephen Wu and Hua Xu. A Discrete Joint Model for Entity and Relation Extraction from Clinical Notes. In AMIA Informatics Summit, 2021. [paper]

  • Yuxing Tang, Zhenjie Cao, Yanbo Zhang, Zhicheng Yang, Zongcheng Ji, Yiwei Wang, Mei Han, Jie Ma, Jing Xiao and Peng Chang. Leveraging Large-Scale Weakly Labeled Data for Semi-Supervised Mass Detection in Mammograms. In CVPR, 2021. [paper]

  • Yanmeng Wang, Jun Bai, Ye Wang, Jianfei Zhang, Wenge Rong, Zongcheng Ji, Shaojun Wang and Jing Xiao. Enhancing Dual-Encoders with Question and Answer Cross-Embeddings for Answer Retrieval. In EMNLP, 2021. [paper]

  • Zongcheng Ji, Qiang Wei and Hua Xu. BERT-based Ranking for Biomedical Entity Normalization. In AMIA Informatics Summit, 2020. [paper]

  • Qiong Wang*, Zongcheng Ji*, Hua Xu, Jingqi Wang, Stephen Wu, Weiyan Lin, Zefeng Lin, Wenzhen Li, Ke Li, Qing Jiang and Yi Zhou. A Study of Entity-linking Methods for Normalizing Chinese Diagnosis and Procedure Terms to ICD Codes. In Journal of Biomedical Informatics (JBI), 2020. (* equal contribution)

  • Qiang Wei, Zongcheng Ji, Zhiheng Li, Jingcheng Du, Jingqi Wang, Jun Xu, Yang Xiang, Firat Tiryaki, Stephen Wu, Yaoyun Zhang, Cui Tao and Hua Xu. A Study of Deep Learning Approaches for Medication and Adverse Drug Event Extraction from Clinical Text. In Journal of the American Medical Informatics Association (JAMIA), 2020

  • Stephen Wu, Kirk Roberts, Surabhi Datta, Jingcheng Du, Zongcheng Ji, Yuqi Si, Sarvesh Soni, Qiong Wang, Qiang Wei, Yang Xiang, Bo Zhao, Hua Xu. Deep Learning in Clinical Natural Language Processing: A Methodical Review. In Journal of the American Medical Informatics Association (JAMIA), 2020. [paper]

  • Zongcheng Ji, Qiang Wei, Amy Franklin, Trevor Cohen and Hua Xu. Cost-sensitive Active Learning for Phenotyping of Electronic Health Records. In AMIA Informatics Summit, 2019. [paper] [one-minute video abstract] Best Student Paper Nomination

  • Qiang Wei, Zongcheng Ji, Yuqi Si, Jingcheng Du, Jingqi Wang, Firat Tiryaki, Stephen Wu, Cui Tao, Kirk Roberts and Hua Xu. Relation Extraction from Clinical Narratives Using Pre-trained Language Models. In American Medical Informatics Association Annual Symposium (AMIA), 2019. [to appear]

  • Xue Shi, Yingping Yi, Ying Xiong, Buzhou Tang, Qingcai Chen, Xiaolong Wang, Zongcheng Ji, Yaoyun Zhang, Hua Xu. Extracting Entities with Attributes in Clinical Text via Joint Deep Learning. In Journal of the American Medical Informatics Association (JAMIA), 2019

  • Qiang Wei, Zongcheng Ji, Zhiheng Li, Jingcheng Du, Jingqi Wang, Firat Tiryaki, Stephen Wu, Yaoyun Zhang, and Hua Xu. UTH: Identifying Medications and Corresponding Attributes in Electronic Health Record. In AMIA n2c2 Shared-Task and Workshop, 2018. [task] [paper] 1st place in both the Relation Classification and End-to-end subtasks among 48 and 50 runs, and 2nd place in the NER subtask of  Track 2 of the 2018 n2c2 shared task, among 60 runs from 28 teams including IBM, Alibaba, etc.

  • Jialong Han, Aixin Sun, Gao Cong, Wayne Xin Zhao, Zongcheng Ji and Minh C Phan. Linking Fine-Grained Locations in User Comments (Extended Abstract). In IEEE 34th International Conference on Data Engineering (ICDE), 2018. [paper]

  • Jialong Han, Aixin Sun, Gao Cong, Wayne Xin Zhao, Zongcheng Ji and Minh C Phan. Linking Fine-Grained Locations in User Comments. In IEEE Transactions on Knowledge and Data Engineering (TKDE), 2018. [paper]

  • Jun Xu*, Hee-Jin Lee*, Zongcheng Ji*, Jingqi Wang, Qiang Wei, and Hua Xu. UTH_CCB System for Adverse Drug Reaction Extraction from Drug Labels at TAC-ADR 2017. In Proceedings of Text Analysis Conference (TAC), 2017. (* equal contribution) [task] [paper] [slides] [results] 1st place in all the four subtasks of TAC2017-ADR Track, among 20 runs from 10 teams including IBM, Oracle, etc.

  • Zongcheng Ji, Yaoyun Zhang, Jun Xu, Xiaoling Chen, Yonghui Wu and Hua Xu. Comparing Cancer Information Needs for Consumers in the US and China. In MedInfo - World Congress on Medical and Health Informatics (MedInfo), 2017. [paper] [dataset]

  • Anying Xu, Zongcheng Ji and Bin Wang. Answer Quality Prediction Based on the Answering Order in Community Question Answering. In Journal of Chinese Information Processing (JCIP), Vol.31, No.2, 2017. [paper]

  • Zongcheng Ji, Aixin Sun, Gao Cong and Jialong Han. Joint Recognition and Linking of Fine-grained Locations from Tweets. In Proceedings of the 25th International Conference on World Wide Web (WWW), 2016. [paper]

  • Zongcheng Ji, Zhengdong Lu and Hang Li. An Information Retrieval Approach to Short Text Conversation. In http://arxiv.org/abs/1408.6988 (arXiv), 2014. [paper] [Chinese Blog Article by Ipty] [dataset]

  • Zongcheng Ji and Bin Wang. A Language Model based on Category Prior for Question Retrieval. In Journal of Chinese Information Processing (JCIP), Vol.28, No.4, 2014. [paper]

  • Anying Xu, Zongcheng Ji and Bin Wang. Answer Quality Prediction Based on the Answering Order in Community Question Answering. In Proceedings of China Conference on Information Retrieval (CCIR), 2014. [paper]

  • Zongcheng Ji and Bin Wang. Learning to Rank for Question Routing in Community Question Answering. In Proceedings of the 22nd ACM International Conference on Information and Knowledge Management (CIKM), 2013. [paper] [dataset]

  • Tian Xia, Zongcheng Ji, Shaodan Zhai, Yidong Chen, Qun Liu and Shaojun Wang. Improving Alignment of System Combination by Using Multi-objective Optimization. In Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing (EMNLP), 2013. [paper]

  • Fei Xu, Zongcheng Ji and Bin Wang. Dual Role Model for Question Recommendation in Community Question Answering. In Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval (SIGIR), 2012. [paper]

  • Zongcheng Ji, Fei Xu, Bin Wang and Ben He. Question-Answer Topic Model for Question Retrieval in Community Question Answering. In Proceedings of the 21st ACM International Conference on Information and Knowledge Management (CIKM), 2012. [paper]

  • Zongcheng Ji, Fei Xu and Bin Wang. A Category-integrated Language Model for Question Retrieval in Community Question Answering. In Proceedings of Asia Information Retrieval Symposium (AIRS), 2012. [paper]

  • Zongcheng Ji and Bin Wang. A Language Model based on Category Prior for Question Retrieval. In Proceedings of China Conference on Information Retrieval (CCIR), 2012. [paper] Best Student Paper Nomination

Patents

• • Zongcheng Ji, Junbao Zhang, Xiang Guo, Rui Guo and Yu Lei. Model parameter training method and device. CN Patent, No: CN108021985A, 2018. [patent]

  • Zongcheng Ji, Yibo Zhang and Hang Li. Information reply method and apparatus. US Patent, No: US20160269326A1, 2016. [patent]

  • Zongcheng Ji, Zhengdong Lu and Hang Li. Text processing method and device. CN Patent, No: CN105302790A, 2016. [patent]

  • Zongcheng Ji, Yibo Zhang and Hang Li. Information returning method and device. CN Patent, No: CN104750705A, 2015. [patent]

  • Anying Xu, Zongcheng Ji, Fei Xu and Bin Wang. Medical field deep question and answer method and medical retrieval system. CN Patent, No: CN102663129A, 2012. [patent]

Professional Service

• • Journal Reviewer: TKDE, TIST, Information Sciences (INS), World Wide Web Journal (WWWJ), Information Retrieval Journal (IRJ), Journal of Biomedical Informatics (JBI), Artificial Intelligence in Medicine (AIIM), Neurocomputing, Neural Processing Letters

  • Conference Reviewer: AAAI (2021, 2020), ACL (2022, 2021, 2019, 2013), CVPR(2022, 2021), NAACL2021, EMNLP (2020, 2019,2013), AMIA (2020, 2019,2018), SIGIR (2018, 2017, 2016), WWW (2017, 2016, 2015), BigData2015, KDD2014, COLING2012, CIKM2011

Honors and Awards

• • Business Contribution Award, Ping An Group, April 2023.

  • Top 10 Outstanding Projects of 2022, Ping An Group, April 2023.

  • Best Student Paper Nomination, AMIA Informatics Summit, Mar. 2019.

  • NVIDIA GPU Grant Award, Jul. 2018.

  • 2nd place in the subtask 1c of the sixth Social Media Mining for Health Applications (# SMM4H) shared task, among 10 runs from 5 teams, 2021. [overview]

  • 1st place in both the NER and Normalization subtasks in the FDA Adverse Drug Event Evaluation (ADE Eval) shared task, among 23 runs from 13 teams, 2019. [overview]

  • 1st place in both the Relation Classification and End-to-end subtasks among 48 and 50 runs, and 2nd place in the NER subtask of Track 2 of the 2018 National NLP Clinical Challenges (n2c2) shared task, among 60 runs from 28 teams including IBM, Alibaba, etc., 2018. [overview]

  • 1st place in all the four subtasks of TAC2017-ADR Track, among 20 runs from 10 teams including IBM, Oracle, etc., 2017. [overview]

  • Excellent Graduate of Beijing City, 2013.

  • Excellent Graduate of Chinese Academy of Science, 2013.

  • Best Student Paper Nomination, CCIR, 2012.

  • Institute Chief Award of ICT/CAS, 2012.

  • Outstanding Student Award of Chinese Academy of Sciences, Jun. 2009.

  • Outstanding Student Award of Sichuan University, Dec. 2006.

  • Scholarship of Sichuan University (three times), 2005 ~ 2007.

Created on 2014-08-01, updated on 2021-03-09.