Search Results for author: Xiangnan Chen

Found 5 papers, 5 papers with code

Negative Sampling with Adaptive Denoising Mixup for Knowledge Graph Embedding

1 code implementation15 Oct 2023 Xiangnan Chen, Wen Zhang, Zhen Yao, Mingyang Chen, Siliang Tang

Most existing negative sampling methods assume that non-existent triples with high scores are high-quality negative triples.

Denoising Knowledge Graph Completion +2

Global Structure Knowledge-Guided Relation Extraction Method for Visually-Rich Document

1 code implementation23 May 2023 Xiangnan Chen, Qian Xiao, Juncheng Li, Duo Dong, Jun Lin, Xiaozhong Liu, Siliang Tang

GOSE initiates by generating preliminary relation predictions on entity pairs extracted from a scanned image of the document.

Relation Relation Extraction

Meta-Learning Based Knowledge Extrapolation for Knowledge Graphs in the Federated Setting

1 code implementation10 May 2022 Mingyang Chen, Wen Zhang, Zhen Yao, Xiangnan Chen, Mengxiao Ding, Fei Huang, Huajun Chen

We study the knowledge extrapolation problem to embed new components (i. e., entities and relations) that come with emerging knowledge graphs (KGs) in the federated setting.

Knowledge Graphs Link Prediction +1

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