Search Results for author: Yuepei Li

Found 5 papers, 3 papers with code

Re-Examine Distantly Supervised NER: A New Benchmark and a Simple Approach

1 code implementation22 Feb 2024 Yuepei Li, Kang Zhou, Qiao Qiao, Qing Wang, Qi Li

This paper delves into Named Entity Recognition (NER) under the framework of Distant Supervision (DS-NER), where the main challenge lies in the compromised quality of labels due to inherent errors such as false positives, false negatives, and positive type errors.

named-entity-recognition Named Entity Recognition +1

Improving Unsupervised Relation Extraction by Augmenting Diverse Sentence Pairs

1 code implementation1 Dec 2023 Qing Wang, Kang Zhou, Qiao Qiao, Yuepei Li, Qi Li

We also identify the limitation of noise-contrastive estimation (NCE) loss for relation representation learning and propose to apply margin loss for sentence pairs.

Contrastive Learning Relation +3

Relation-Aware Network with Attention-Based Loss for Few-Shot Knowledge Graph Completion

no code implementations15 Jun 2023 Qiao Qiao, Yuepei Li, Kang Zhou, Qi Li

Specifically, to better utilize the plentiful negative samples and alleviate the zero-loss issue, we strategically select relevant negative samples and design an attention-based loss function to further differentiate the importance of each negative sample.

Knowledge Graph Completion Relation

Improving Distantly Supervised Relation Extraction by Natural Language Inference

no code implementations31 Jul 2022 Kang Zhou, Qiao Qiao, Yuepei Li, Qi Li

To reduce human annotations for relation extraction (RE) tasks, distantly supervised approaches have been proposed, while struggling with low performance.

Natural Language Inference Relation +1

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