1 code implementation • EMNLP 2021 • Qingbin Liu, Pengfei Cao, Cao Liu, Jiansong Chen, Xunliang Cai, Fan Yang, Shizhu He, Kang Liu, Jun Zhao
This paradigm is often impractical in real-world applications since online dialogue systems usually involve continually emerging new data and domains.
1 code implementation • EMNLP 2021 • Pengfei Cao, Yubo Chen, Yuqing Yang, Kang Liu, Jun Zhao
Moreover, we propose an Uncertain Information Aggregation module to leverage the global structure for integrating the local information.
no code implementations • CCL 2020 • Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao
Specifically, to reduce the errors of predicting entity boundaries, we propose an adaptive multi-pass memory network to exploit lexical knowledge.
Chinese Named Entity Recognition named-entity-recognition +3
no code implementations • EMNLP 2020 • Pengfei Cao, Yubo Chen, Jun Zhao, Taifeng Wang
However, existing incremental learning methods cannot handle semantic ambiguity and training data imbalance problems between old and new classes in the task of incremental event detection.
1 code implementation • 26 Mar 2024 • Chenlong Zhang, Pengfei Cao, Yubo Chen, Kang Liu, Zhiqiang Zhang, Mengshu Sun, Jun Zhao
The CFED task is challenging as it involves memorizing previous event types and learning new event types with few-shot samples.
no code implementations • 5 Mar 2024 • Zhitao He, Pengfei Cao, Zhuoran Jin, Yubo Chen, Kang Liu, Zhiqiang Zhang, Mengshu Sun, Jun Zhao
Event Causality Identification (ECI) refers to the detection of causal relations between events in texts.
1 code implementation • 5 Mar 2024 • Zhitao He, Pengfei Cao, Chenhao Wang, Zhuoran Jin, Yubo Chen, Jiexin Xu, Huaijun Li, XiaoJian Jiang, Kang Liu, Jun Zhao
In this paper, (1) we introduce SimuCourt, a judicial benchmark that encompasses 420 judgment documents from real-world, spanning the three most common types of judicial cases, and a novel task Judicial Decision-Making to evaluate the judicial analysis and decision-making power of agents.
no code implementations • 29 Feb 2024 • Hongbang Yuan, Pengfei Cao, Zhuoran Jin, Yubo Chen, Daojian Zeng, Kang Liu, Jun Zhao
Large Language Models (LLMs) have shown impressive capabilities but still suffer from the issue of hallucinations.
no code implementations • 28 Feb 2024 • Zhuoran Jin, Pengfei Cao, Hongbang Yuan, Yubo Chen, Jiexin Xu, Huaijun Li, XiaoJian Jiang, Kang Liu, Jun Zhao
Moreover, we reveal that the pivotal point at which knowledge conflicts emerge in LMs is the integration of inconsistent information flows by memory heads and context heads.
no code implementations • 28 Feb 2024 • Jiachun Li, Pengfei Cao, Chenhao Wang, Zhuoran Jin, Yubo Chen, Daojian Zeng, Kang Liu, Jun Zhao
Large language models exhibit high-level commonsense reasoning abilities, especially with enhancement methods like Chain-of-Thought (CoT).
no code implementations • 22 Feb 2024 • Zhuoran Jin, Pengfei Cao, Yubo Chen, Kang Liu, XiaoJian Jiang, Jiexin Xu, Qiuxia Li, Jun Zhao
Then, we investigate the behavior and preference of RALMs from the following two perspectives: (1) Conflicts between internal memory and external sources: We find that stronger RALMs emerge with the Dunning-Kruger effect, persistently favoring their faulty internal memory even when correct evidence is provided.
no code implementations • 21 Feb 2024 • YuHeng Chen, Pengfei Cao, Yubo Chen, Yining Wang, Shengping Liu, Kang Liu, Jun Zhao
This paper provides a comprehensive definition of DKNs that covers both structural and functional aspects, pioneering the study of structures in PLMs' factual knowledge storage units.
no code implementations • 16 Feb 2024 • Chenhui Hu, Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao
Knowledge editing aims to rectify inaccuracies in large language models (LLMs) without costly retraining for outdated or erroneous knowledge.
1 code implementation • 21 Nov 2023 • Tong Zhou, Yubo Chen, Pengfei Cao, Kang Liu, Jun Zhao, Shengping Liu
To this end, we present a pretraining corpus curation and assessment platform called Oasis -- a one-stop system for data quality improvement and quantification with user-friendly interactive interfaces.
no code implementations • 28 Aug 2023 • Baoli Zhang, Haining Xie, Pengfan Du, JunHao Chen, Pengfei Cao, Yubo Chen, Shengping Liu, Kang Liu, Jun Zhao
To this end, we propose the ZhuJiu benchmark, which has the following strengths: (1) Multi-dimensional ability coverage: We comprehensively evaluate LLMs across 7 ability dimensions covering 51 tasks.
1 code implementation • 25 Aug 2023 • YuHeng Chen, Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao
We design cross-lingual knowledge editing experiments, demonstrating that the PLMs can accomplish this task based on language-independent neurons; (2) The discovery of Degenerate Knowledge Neurons, a novel type of neuron showing that different knowledge neurons can store the same fact.
no code implementations • ACL 2021 • Pengfei Cao, Xinyu Zuo, Yubo Chen, Kang Liu, Jun Zhao, Yuguang Chen, Weihua Peng
Specifically, to make use of the descriptive knowledge, we devise a Descriptive Graph Induction module to obtain and encode the graph-structured descriptive knowledge.
1 code implementation • ACL 2021 • Tong Zhou, Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao, Kun Niu, Weifeng Chong, Shengping Liu
The ICD coding task aims at assigning codes of the International Classification of Diseases in clinical notes.
no code implementations • Findings (ACL) 2021 • Xinyu Zuo, Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao, Weihua Peng, Yuguang Chen
Current models for event causality identification (ECI) mainly adopt a supervised framework, which heavily rely on labeled data for training.
no code implementations • ACL 2021 • Xinyu Zuo, Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao, Weihua Peng, Yuguang Chen
On the other hand, our approach employs a dual mechanism, which is a learnable augmentation framework and can interactively adjust the generation process to generate task-related sentences.
no code implementations • ACL 2020 • Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao, Shengping Liu, Weifeng Chong
Specifically, we propose a hyperbolic representation method to leverage the code hierarchy.
no code implementations • ACL 2020 • Pengfei Cao, Chenwei Yan, Xiangling Fu, Yubo Chen, Kang Liu, Jun Zhao, Shengping Liu, Weifeng Chong
In this paper, we introduce Clinical-Coder, an online system aiming to assign ICD codes to Chinese clinical notes.
1 code implementation • EMNLP 2018 • Pengfei Cao, Yubo Chen, Kang Liu, Jun Zhao, Shengping Liu
However, existing methods for Chinese NER either do not exploit word boundary information from CWS or cannot filter the specific information of CWS.
Ranked #1 on Chinese Named Entity Recognition on SighanNER
Chinese Named Entity Recognition Chinese Word Segmentation +4