CoVariance-based causal debiasing for entity and relation extraction

• Main Authors: REN, Lin, LIU, Yongbin, CAO, Yixin, OUYANG, Chunping
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2023
• Subjects: Databases and Information Systems
• Online Access: https://ink.library.smu.edu.sg/sis_research/8395; https://ink.library.smu.edu.sg/context/sis_research/article/9398/viewcontent/2023.findings_emnlp.173.pdf
• Institution: Singapore Management University

Joint entity and relation extraction tasks aim to recognize named entities and extract relations simultaneously. Suffering from a variety of data biases, such as data selection bias, and distribution bias (out of distribution, long-tail distribution), serious concerns can be witnessed to threaten th...