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Jiawei Han
Reader-Guided Passage Reranking for Open-Domain Question Answering

Jan 01, 2021
Yuning Mao, Pengcheng He, Xiaodong Liu, Yelong Shen, Jianfeng Gao, Jiawei Han, Weizhu Chen

* TLDR: Reranking retrieved passages by reader predictions can achieve 10~20 gains in top-1 retrieval accuracy and 1~4 gains in Exact Match (EM) without any training 
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Few-Shot Named Entity Recognition: A Comprehensive Study

Dec 29, 2020
Jiaxin Huang, Chunyuan Li, Krishan Subudhi, Damien Jose, Shobana Balakrishnan, Weizhu Chen, Baolin Peng, Jianfeng Gao, Jiawei Han


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Hierarchical Metadata-Aware Document Categorization under Weak Supervision

Oct 26, 2020
Yu Zhang, Xiusi Chen, Yu Meng, Jiawei Han

* 9 pages; Accepted to WSDM 2021 
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Constrained Abstractive Summarization: Preserving Factual Consistency with Constrained Generation

Oct 24, 2020
Yuning Mao, Xiang Ren, Heng Ji, Jiawei Han


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On the Transformer Growth for Progressive BERT Training

Oct 23, 2020
Xiaotao Gu, Liyuan Liu, Hongkun Yu, Jing Li, Chen Chen, Jiawei Han


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BiTe-GCN: A New GCN Architecture via BidirectionalConvolution of Topology and Features on Text-Rich Networks

Oct 23, 2020
Di Jin, Xiangchen Song, Zhizhi Yu, Ziyang Liu, Heling Zhang, Zhaomeng Cheng, Jiawei Han

* To appear in WSDM 2021 
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CoDA: Contrast-enhanced and Diversity-promoting Data Augmentation for Natural Language Understanding

Oct 16, 2020
Yanru Qu, Dinghan Shen, Yelong Shen, Sandra Sajeev, Jiawei Han, Weizhu Chen


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Text Classification Using Label Names Only: A Language Model Self-Training Approach

Oct 14, 2020
Yu Meng, Yunyi Zhang, Jiaxin Huang, Chenyan Xiong, Heng Ji, Chao Zhang, Jiawei Han

* EMNLP 2020. (Code: https://github.com/yumeng5/LOTClass) 
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CoRel: Seed-Guided Topical Taxonomy Construction by Concept Learning and Relation Transferring

Oct 13, 2020
Jiaxin Huang, Yiqing Xie, Yu Meng, Yunyi Zhang, Jiawei Han

* KDD 2020 Research Track 
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Weakly-Supervised Aspect-Based Sentiment Analysis via Joint Aspect-Sentiment Topic Embedding

Oct 13, 2020
Jiaxin Huang, Yu Meng, Fang Guo, Heng Ji, Jiawei Han

* accepted to EMNLP 2020 
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A Spherical Hidden Markov Model for Semantics-Rich Human Mobility Modeling

Oct 05, 2020
Wanzheng Zhu, Chao Zhang, Shuochao Yao, Xiaobin Gao, Jiawei Han


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Near-imperceptible Neural Linguistic Steganography via Self-Adjusting Arithmetic Coding

Oct 01, 2020
Jiaming Shen, Heng Ji, Jiawei Han

* EMNLP 2020 
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Multi-document Summarization with Maximal Marginal Relevance-guided Reinforcement Learning

Sep 30, 2020
Yuning Mao, Yanru Qu, Yiqing Xie, Xiang Ren, Jiawei Han

* EMNLP 2020 
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SynSetExpan: An Iterative Framework for Joint Entity Set Expansion and Synonym Discovery

Sep 29, 2020
Jiaming Shen, Wenda Qiu, Jingbo Shang, Michelle Vanni, Xiang Ren, Jiawei Han

* EMNLP 2020 
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Generation-Augmented Retrieval for Open-domain Question Answering

Sep 17, 2020
Yuning Mao, Pengcheng He, Xiaodong Liu, Yelong Shen, Jianfeng Gao, Jiawei Han, Weizhu Chen


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Transfer Learning of Graph Neural Networks with Ego-graph Information Maximization

Sep 11, 2020
Qi Zhu, Yidan Xu, Haonan Wang, Chao Zhang, Jiawei Han, Carl Yang


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Hierarchical Topic Mining via Joint Spherical Tree and Text Embedding

Jul 18, 2020
Yu Meng, Yunyi Zhang, Jiaxin Huang, Yu Zhang, Chao Zhang, Jiawei Han

* KDD 2020 Research Track. (Code: https://github.com/yumeng5/JoSH) 
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COVID-19 Literature Knowledge Graph Construction and Drug Repurposing Report Generation

Jul 06, 2020
Qingyun Wang, Manling Li, Xuan Wang, Nikolaus Parulian, Guangxing Han, Jiawei Ma, Jingxuan Tu, Ying Lin, Haoran Zhang, Weili Liu, Aabhas Chauhan, Yingjun Guan, Bangzheng Li, Ruisong Li, Xiangchen Song, Heng Ji, Jiawei Han, Shih-Fu Chang, James Pustejovsky, Jasmine Rah, David Liem, Ahmed Elsayed, Martha Palmer, Clare Voss, Cynthia Schneider, Boyan Onyshkevych

* 11 pages, submitted to ACL 2020 Workshop on Natural Language Processing for COVID-19 (NLP-COVID), for resources see http://blender.cs.illinois.edu/covid19/ 
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GCN for HIN via Implicit Utilization of Attention and Meta-paths

Jul 06, 2020
Di Jin, Zhizhi Yu, Dongxiao He, Carl Yang, Philip S. Yu, Jiawei Han


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AutoKnow: Self-Driving Knowledge Collection for Products of Thousands of Types

Jun 24, 2020
Xin Luna Dong, Xiang He, Andrey Kan, Xian Li, Yan Liang, Jun Ma, Yifan Ethan Xu, Chenwei Zhang, Tong Zhao, Gabriel Blanco Saldana, Saurabh Deshpande, Alexandre Michetti Manduca, Jay Ren, Surender Pal Singh, Fan Xiao, Haw-Shiuan Chang, Giannis Karamanolakis, Yuning Mao, Yaqing Wang, Christos Faloutsos, Andrew McCallum, Jiawei Han

* KDD 2020 
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Octet: Online Catalog Taxonomy Enrichment with Self-Supervision

Jun 18, 2020
Yuning Mao, Tong Zhao, Andrey Kan, Chenwei Zhang, Xin Luna Dong, Christos Faloutsos, Jiawei Han

* KDD 2020 
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Unsupervised Differentiable Multi-aspect Network Embedding

Jun 12, 2020
Chanyoung Park, Carl Yang, Qi Zhu, Donghyun Kim, Hwanjo Yu, Jiawei Han

* KDD 2020 (Research Track). 9 Pages + Appendix (2 Pages). Source code can be found https://github.com/pcy1302/asp2vec 
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Minimally Supervised Categorization of Text with Metadata

Jun 02, 2020
Yu Zhang, Yu Meng, Jiaxin Huang, Frank F. Xu, Xuan Wang, Jiawei Han

* 10 pages; Accepted to SIGIR 2020 
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Open-Domain Question Answering with Pre-Constructed Question Spaces

Jun 02, 2020
Jinfeng Xiao, Lidan Wang, Franck Dernoncourt, Trung Bui, Tong Sun, Jiawei Han


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Partially-Typed NER Datasets Integration: Connecting Practice to Theory

May 01, 2020
Shi Zhi, Liyuan Liu, Yu Zhang, Shiyin Wang, Qi Li, Chao Zhang, Jiawei Han

* Work in progress 
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Empower Entity Set Expansion via Language Model Probing

Apr 29, 2020
Yunyi Zhang, Jiaming Shen, Jingbo Shang, Jiawei Han

* ACL 2020 
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Understanding the Difficulty of Training Transformers

Apr 17, 2020
Liyuan Liu, Xiaodong Liu, Jianfeng Gao, Weizhu Chen, Jiawei Han


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