1 code implementation • 21 May 2023 • Linyuan Gong, Chenyan Xiong, Xiaodong Liu, Payal Bajaj, Yiqing Xie, Alvin Cheung, Jianfeng Gao, Xia Song
This paper explores the effectiveness of model-generated signals in improving zero-shot generalization of text-to-text Transformers such as T5.
1 code implementation • 10 May 2023 • Yiqing Xie, Xiao Liu, Chenyan Xiong
Based on their commonalities, we train an unsupervised dense retriever, Anchor-DR, with a contrastive learning task that matches the anchor text and the linked document.
1 code implementation • 3 Nov 2022 • Yizhu Jiao, Sha Li, Yiqing Xie, Ming Zhong, Heng Ji, Jiawei Han
Specifically, we formulate the role prediction problem as an in-filling task and construct prompts for a pre-trained language model to generate candidate roles.
no code implementations • 15 Feb 2022 • Sha Li, Liyuan Liu, Yiqing Xie, Heng Ji, Jiawei Han
Our framework decomposes event detection into an identification task and a localization task.
1 code implementation • Findings (ACL) 2022 • Yiqing Xie, Jiaming Shen, Sha Li, Yuning Mao, Jiawei Han
Typical DocRE methods blindly take the full document as input, while a subset of the sentences in the document, noted as the evidence, are often sufficient for humans to predict the relation of an entity pair.
Ranked #5 on Relation Extraction on DocRED
1 code implementation • 13 Oct 2020 • Jiaxin Huang, Yiqing Xie, Yu Meng, Yunyi Zhang, Jiawei Han
Taxonomy is not only a fundamental form of knowledge representation, but also crucial to vast knowledge-rich applications, such as question answering and web search.
1 code implementation • EMNLP 2020 • Yuning Mao, Yanru Qu, Yiqing Xie, Xiang Ren, Jiawei Han
Additionally, the explicit redundancy measure in MMR helps the neural representation of the summary to better capture redundancy.
1 code implementation • 27 Jan 2020 • Jiaxin Huang, Yiqing Xie, Yu Meng, Jiaming Shen, Yunyi Zhang, Jiawei Han
Given a small set of seed entities (e. g., ``USA'', ``Russia''), corpus-based set expansion is to induce an extensive set of entities which share the same semantic class (Country in this example) from a given corpus.