The MultiCoNER shared task aims at detecting semantically ambiguous and complex named entities in short and low-context settings for multiple languages. The lack of contexts makes the recognition of ambiguous named entities challenging. To alleviate this issue, our team DAMO-NLP proposes a knowledge-based system, where we build a multilingual knowledge base based on Wikipedia to provide related context information to the named entity recognition (NER) model. Given an input sentence, our system effectively retrieves related contexts from the knowledge base. The original input sentences are then augmented with such context information, allowing significantly better contextualized token representations to be captured. Our system wins 10 out of 13 tracks in the MultiCoNER shared task.
@article{arxiv.2203.00545,
title = {DAMO-NLP at SemEval-2022 Task 11: A Knowledge-based System for Multilingual Named Entity Recognition},
author = {Xinyu Wang and Yongliang Shen and Jiong Cai and Tao Wang and Xiaobin Wang and Pengjun Xie and Fei Huang and Weiming Lu and Yueting Zhuang and Kewei Tu and Wei Lu and Yong Jiang},
journal= {arXiv preprint arXiv:2203.00545},
year = {2022}
}
Comments
Our Knowledge-based NER system wins 10 out of 13 tracks in the SemEval-2022 MultiCoNER shared task