Search Results for author: Xiaojie Yuan

Found 20 papers, 14 papers with code

TEMP: Taxonomy Expansion with Dynamic Margin Loss through Taxonomy-Paths

1 code implementation EMNLP 2021 Zichen Liu, Hongyuan Xu, Yanlong Wen, Ning Jiang, Haiying Wu, Xiaojie Yuan

As an essential form of knowledge representation, taxonomies are widely used in various downstream natural language processing tasks.

Position Taxonomy Expansion

Improving Zero-Shot Entity Linking Candidate Generation with Ultra-Fine Entity Type Information

1 code implementation COLING 2022 Xuhui Sui, Ying Zhang, Kehui Song, Baohang Zhou, Guoqing Zhao, Xin Wei, Xiaojie Yuan

Recently, zero-shot entity linking task has become a research hotspot, which links mentions to unseen entities to challenge the generalization ability.

Entity Linking Entity Typing +1

Incorporating Circumstances into Narrative Event Prediction

no code implementations Findings (EMNLP) 2021 Shichao Wang, Xiangrui Cai, Hongbin Wang, Xiaojie Yuan

We also introduce a regularization of attention weights to leverage the alignment between events and local circumstances.

LAN: Learning Adaptive Neighbors for Real-Time Insider Threat Detection

1 code implementation14 Mar 2024 Xiangrui Cai, Yang Wang, Sihan Xu, Hao Li, Ying Zhang, Zheli Liu, Xiaojie Yuan

Moreover, LAN can be also applied to post-hoc ITD, surpassing 8 competitive baselines by at least 7. 70% and 4. 03% in AUC on two datasets.

Anomaly Detection Graph structure learning

AoM: Detecting Aspect-oriented Information for Multimodal Aspect-Based Sentiment Analysis

1 code implementation31 May 2023 Ru Zhou, Wenya Guo, Xumeng Liu, Shenglong Yu, Ying Zhang, Xiaojie Yuan

Multimodal aspect-based sentiment analysis (MABSA) aims to extract aspects from text-image pairs and recognize their sentiments.

Aspect-Based Sentiment Analysis Sentence +1

TreeMAN: Tree-enhanced Multimodal Attention Network for ICD Coding

1 code implementation COLING 2022 Zichen Liu, Xuyuan Liu, Yanlong Wen, Guoqing Zhao, Fen Xia, Xiaojie Yuan

However, most previous works ignore the decisive information contained in structured medical data in EHRs, which is hard to be captured from the noisy clinical notes.

From Alignment to Entailment: A Unified Textual Entailment Framework for Entity Alignment

1 code implementation19 May 2023 Yu Zhao, Yike Wu, Xiangrui Cai, Ying Zhang, Haiwei Zhang, Xiaojie Yuan

Our approach captures the unified correlation pattern of two kinds of information between entities, and explicitly models the fine-grained interaction between original entity information.

Attribute Entity Alignment +3

H2TNE: Temporal Heterogeneous Information Network Embedding in Hyperbolic Spaces

1 code implementation14 Apr 2023 Qijie Bai, JiaWen Guo, Haiwei Zhang, Changli Nie, Lin Zhang, Xiaojie Yuan

Temporal heterogeneous information network (temporal HIN) embedding, aiming to represent various types of nodes of different timestamps into low dimensional spaces while preserving structural and semantic information, is of vital importance in diverse real-life tasks.

Link Prediction Network Embedding +2

HGWaveNet: A Hyperbolic Graph Neural Network for Temporal Link Prediction

1 code implementation14 Apr 2023 Qijie Bai, Changli Nie, Haiwei Zhang, Dongming Zhao, Xiaojie Yuan

In this paper, we propose HGWaveNet, a novel hyperbolic graph neural network that fully exploits the fitness between hyperbolic spaces and data distributions for temporal link prediction.

Link Prediction

Joint Open Knowledge Base Canonicalization and Linking

no code implementations Proceedings of the 2021 International Conference on Management of Data 2021 Yinan Liu, Wei Shen, Yuanfei Wang, Jianyong Wang, Zhenglu Yang, Xiaojie Yuan

However, noun phrases (NPs) and relation phrases (RPs) in OKBs are not canonicalized and often appear in different paraphrased textual variants, which leads to redundant and ambiguous facts.

Open Information Extraction Relation

BadPrompt: Backdoor Attacks on Continuous Prompts

1 code implementation27 Nov 2022 Xiangrui Cai, Haidong Xu, Sihan Xu, Ying Zhang, Xiaojie Yuan

To address this challenge, we propose BadPrompt, a lightweight and task-adaptive algorithm, to backdoor attack continuous prompts.

Backdoor Attack

Overcoming Language Priors in Visual Question Answering via Distinguishing Superficially Similar Instances

1 code implementation COLING 2022 Yike Wu, Yu Zhao, Shiwan Zhao, Ying Zhang, Xiaojie Yuan, Guoqing Zhao, Ning Jiang

In this work, we define the training instances with the same question type but different answers as \textit{superficially similar instances}, and attribute the language priors to the confusion of VQA model on such instances.

Attribute Question Answering +1

Multi-grained Label Refinement Network with Dependency Structures for Joint Intent Detection and Slot Filling

1 code implementation9 Sep 2022 Baohang Zhou, Ying Zhang, Xuhui Sui, Kehui Song, Xiaojie Yuan

To capture the semantic dependency between the syntactic information and task labels, we combine the task specific features with corresponding label embeddings by attention mechanism.

Graph Attention Intent Detection +5

PPDL: Predicate Probability Distribution Based Loss for Unbiased Scene Graph Generation

no code implementations CVPR 2022 Wei Li, Haiwei Zhang, Qijie Bai, Guoqing Zhao, Ning Jiang, Xiaojie Yuan

However, the application value of SG on downstream tasks is severely limited by the predicate classification bias, which is caused by long-tailed data and presented as semantic bias of predicted relation predicates.

Graph Generation Predicate Classification +1

Entity Linking Meets Deep Learning: Techniques and Solutions

no code implementations26 Sep 2021 Wei Shen, Yuhan Li, Yinan Liu, Jiawei Han, Jianyong Wang, Xiaojie Yuan

Entity linking (EL) is the process of linking entity mentions appearing in web text with their corresponding entities in a knowledge base.

Entity Linking Knowledge Base Population +2

Toward Tweet Entity Linking with Heterogeneous Information Networks

1 code implementation IEEE Transactions on Knowledge and Data Engineering 2021 Wei Shen, Yuwei Yin, Yang Yang, Jiawei Han, Jianyong Wang, Xiaojie Yuan

The task of linking an entity mention in a tweet with its corresponding entity in a heterogeneous information network is of great importance, for the purpose of enriching heterogeneous information networks with the abundant and fresh knowledge embedded in tweets.

Entity Linking Metric Learning

Improving Captioning for Low-Resource Languages by Cycle Consistency

no code implementations21 Aug 2019 Yike Wu, Shiwan Zhao, Jia Chen, Ying Zhang, Xiaojie Yuan, Zhong Su

Improving the captioning performance on low-resource languages by leveraging English caption datasets has received increasing research interest in recent years.

Translation

Medical Concept Embedding with Time-Aware Attention

1 code implementation6 Jun 2018 Xiangrui Cai, Jinyang Gao, Kee Yuan Ngiam, Beng Chin Ooi, Ying Zhang, Xiaojie Yuan

Embeddings of medical concepts such as medication, procedure and diagnosis codes in Electronic Medical Records (EMRs) are central to healthcare analytics.

Clustering

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