Search Results for author: Yajing Xu

Found 13 papers, 10 papers with code

Learning Discriminative Representations for Open Relation Extraction with Instance Ranking and Label Calibration

1 code implementation Findings (NAACL) 2022 Shusen Wang, Bin Duan, Yanan Wu, Yajing Xu

In this paper, we propose a novel method based on Instance Ranking and Label Calibration strategies (IRLC) to learn discriminative representations for open relation extraction.

Relation Relation Extraction

Cluster-aware Pseudo-Labeling for Supervised Open Relation Extraction

1 code implementation COLING 2022 Bin Duan, Shusen Wang, Xingxian Liu, Yajing Xu

To mitigate the catastrophic forgetting issue, we design the consistency regularization loss to make better use of the pseudo-labels and jointly train the model with both unsupervised and supervised data.

Relation Relation Extraction +1

MyGO: Discrete Modality Information as Fine-Grained Tokens for Multi-modal Knowledge Graph Completion

1 code implementation15 Apr 2024 Yichi Zhang, Zhuo Chen, Lingbing Guo, Yajing Xu, Binbin Hu, Ziqi Liu, Huajun Chen, Wen Zhang

To overcome their inherent incompleteness, multi-modal knowledge graph completion (MMKGC) aims to discover unobserved knowledge from given MMKGs, leveraging both structural information from the triples and multi-modal information of the entities.

Contrastive Learning Descriptive +3

Making Large Language Models Perform Better in Knowledge Graph Completion

1 code implementation10 Oct 2023 Yichi Zhang, Zhuo Chen, Lingbing Guo, Yajing Xu, Wen Zhang, Huajun Chen

In this paper, we explore methods to incorporate structural information into the LLMs, with the overarching goal of facilitating structure-aware reasoning.

In-Context Learning Knowledge Graph Completion +2

Learning to Rank Utterances for Query-Focused Meeting Summarization

no code implementations22 May 2023 Xingxian Liu, Yajing Xu

Query-focused meeting summarization(QFMS) aims to generate a specific summary for the given query according to the meeting transcripts.

Learning-To-Rank Meeting Summarization

Query-Utterance Attention with Joint modeling for Query-Focused Meeting Summarization

1 code implementation8 Mar 2023 Xingxian Liu, Bin Duan, Bo Xiao, Yajing Xu

Previous works typically concatenate the query with meeting transcripts and implicitly model the query relevance only at the token level with attention mechanism.

Meeting Summarization Retrieval

Structure Pretraining and Prompt Tuning for Knowledge Graph Transfer

1 code implementation3 Mar 2023 Wen Zhang, Yushan Zhu, Mingyang Chen, Yuxia Geng, Yufeng Huang, Yajing Xu, Wenting Song, Huajun Chen

Through experiments, we justify that the pretrained KGTransformer could be used off the shelf as a general and effective KRF module across KG-related tasks.

Image Classification Knowledge Graphs +3

Learning to Construct 3D Building Wireframes from 3D Line Clouds

1 code implementation25 Aug 2022 Yicheng Luo, Jing Ren, Xuefei Zhe, Di Kang, Yajing Xu, Peter Wonka, Linchao Bao

The network takes a line cloud as input , i. e., a nonstructural and unordered set of 3D line segments extracted from multi-view images, and outputs a 3D wireframe of the underlying building, which consists of a sparse set of 3D junctions connected by line segments.

Disentangled Ontology Embedding for Zero-shot Learning

1 code implementation8 Jun 2022 Yuxia Geng, Jiaoyan Chen, Wen Zhang, Yajing Xu, Zhuo Chen, Jeff Z. Pan, Yufeng Huang, Feiyu Xiong, Huajun Chen

In this paper, we focus on ontologies for augmenting ZSL, and propose to learn disentangled ontology embeddings guided by ontology properties to capture and utilize more fine-grained class relationships in different aspects.

Image Classification Ontology Embedding +2

Cyclone intensity estimate with context-aware cyclegan

no code implementations11 May 2019 Yajing Xu, Haitao Yang, Mingfei Cheng, Si Li

Deep learning approaches to cyclone intensity estimationhave recently shown promising results.

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