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Liang Yang

65 accepted papers

2026

A Pure Hierarchical Spectral Parcellation Network for Brain Network Analysis

ICML 2026poster

Brain network classification is pivotal for diagnosing neurological disorders, yet clinical interpretability and the identification of discriminative biomarkers fundamentally rely on precise functional parcellation. However, existing graph learning models for brain network analysis typically suffer …

Cited by 0SourceScholar
2026

End-to-end Graph-structured Brain Representation Learning

ICML 2026poster

The construction of the brain functional network often follows the hand-crafted Correlation Coefficients of blood-oxygen-level-dependent (BOLD) time series without any learnable components. Meanwhile, most efforts are made to the models, such as graph neural networks, that make predictions with the …

Cited by 0SourceScholar
2026

Improving Graph Transformers via Global Structural Priors

ICML 2026poster

By synergizing graph topology with the global expressive power of the attention mechanism, Graph Transformers (GTs) have emerged as a dominant architecture for node classification. However, existing models primarily focus on diverse topology injection mechanisms, specifically score-level and represe…

Cited by 0SourceScholar
2026

Source-Free Graph Foundation Model Adaptation via Pseudo-Source Reconstruction

AAAI 2026technical

Aiming to overcome distribution shift and label sparsity that hinder cross-domain generalization of Graph Neural Networks (GNNs), Unsupervised Graph Domain Adaptation (UGDA) transfers knowledge from a label-rich source to an unlabeled target graph. Yet in practice, strict privacy protocols often wit

Cited by 0SourcePDFScholar
2026

Topology-aware Knowledge Preservation for Class-Incremental Learning

AAAI 2026technical

Class Incremental Learning (CIL) aims to enable models to continually learn new classes while retaining previously learned knowledge. The principal challenge in CIL is catastrophic forgetting, which prior approaches typically address by distilling knowledge from previous model. However, such way is

Cited by 0SourcePDFScholar
2026

Unsupervised Graph-Level Anomaly Detection via Multi-granular Graph Structure Learning

IJCAI 2026

Graph-level anomaly detection (GLAD) aims to identify graphs that deviate from the majority in a dataset of graphs. Existing methods typically adopt either a global aggregation perspective that summarizes nodes within a graph into a representation vector, or a subgraph-oriented perspective which reg

Cited by 0Scholar
2025

A Closer Look at Graph Transformers: Cross-Aggregation and Beyond

NeurIPS 2025spotlight

Graph Transformers (GTs), which effectively capture long-range dependencies and structural biases simultaneously, have recently emerged as promising alternatives to traditional Graph Neural Networks (GNNs). Advanced approaches for GTs to leverage topology information involve integrating GNN modules…

Cited by 0SourceScholar
2025

Adaptive Decision Boundary for Few-Shot Class-Incremental Learning

AAAI 2025technical

Few-Shot Class-Incremental Learning (FSCIL) aims to continuously learn new classes from a limited set of training samples without forgetting knowledge of previously learned classes. Conventional FSCIL methods typically build a robust feature extractor during the base training session with abundant t…

2025

Attribute Association Driven Multi-Task Learning for Session-based Recommendation

IJCAI 2025

Session-based Recommendation (SBR) aims to predict users’ next interaction based on their current session without relying on long-term profiles. Despite its effectiveness in privacy-preserving and real-time scenarios, SBR remains challenging due to limited behavioral signals. Prior methods often ove

Cited by 0SourcePDFScholar
2025

Commonality and Individuality! Integrating Humor Commonality with Speaker Individuality for Humor Recognition

NAACL 2025long

Humor recognition aims to identify whether a specific speaker’s text is humorous. Current methods for humor recognition mainly suffer from two limitations: (1) they solely focus on one aspect of humor commonalities, ignoring the multifaceted nature of humor; and (2) they typically overlook the criti…

Cited by 0SourcePDFScholar
2025

Disentangled Graph Spectral Domain Adaptation

ICML 2025poster

The distribution shifts and the scarcity of labels prevent graph learning methods, especially graph neural networks (GNNs), from generalizing across domains. Compared to Unsupervised Domain Adaptation (UDA) with embedding alignment, Unsupervised Graph Domain Adaptation (UGDA) becomes more challengin…

Cited by 0SourcePDFScholar
2025

Do We Really Need Message Passing in Brain Network Modeling?

ICML 2025spotlight

Brain network analysis plays a critical role in brain disease prediction and diagnosis. Graph mining tools have made remarkable progress. Graph neural networks (GNNs) and Transformers, which rely on the message-passing scheme, recently dominated this field due to their powerful expressive ability on…

2025

Graph Contrastive Learning with Joint Spectral Augmentation of Attribute and Topology

AAAI 2025technical

As an essential technique for Graph Contrastive Learning (GCL), Graph Augmentation (GA) improves the generalization capability of the GCLs by introducing different forms of the same graph. To ensure information integrity, existing GA strategies have been designed to simultaneously process the two ty…

Cited by 0SourcePDFScholar
2025

Human-Inspired Obfuscation for Model Unlearning: Local and Global Strategies with Hyperbolic Representations

EMNLP 2025

Large language models (LLMs) achieve remarkable performance across various domains, largely due to training on massive datasets. However, this also raises growing concerns over the exposure of sensitive and private information, making model unlearning increasingly critical.However, existing methods

Cited by 0SourcePDFScholar
2025

Is LLM an Overconfident Judge? Unveiling the Capabilities of LLMs in Detecting Offensive Language with Annotation Disagreement

ACL 2025finding

Large Language Models (LLMs) have become essential for offensive language detection, yet their ability to handle annotation disagreement remains underexplored. Disagreement samples, which arise from subjective interpretations, pose a unique challenge due to their ambiguous nature. Understanding how…

2025

It’s Not Bragging If You Can Back It Up: Can LLMs Understand Braggings?

ACL 2025long

Bragging, as a pervasive social-linguistic phenomenon, reflects complex human interaction patterns. However, the understanding and generation of appropriate bragging behavior in large language models (LLMs) remains underexplored. In this paper, we propose a comprehensive study that combines analytic…

2025

Point Cloud Self-supervised Learning via 3D to Multi-view Masked Learner

ICCV 2025poster

Recently, multi-modal masked autoencoders (MAE) has been introduced in 3D self-supervised learning, offering enhanced feature learning by leveraging both 2D and 3D data to capture richer cross-modal representations. However, these approaches have two limitations: (1) they inefficiently require both…

Cited by 0SourcePDFScholar
2025

STATE ToxiCN: A Benchmark for Span-level Target-Aware Toxicity Extraction in Chinese Hate Speech Detection

ACL 2025finding

The proliferation of hate speech has caused significant harm to society. The intensity and directionality of hate are closely tied to the target and argument it is associated with. However, research on hate speech detection in Chinese has lagged behind, and existing datasets lack span-level fine-gra…

2025

Sarcasm-R1: Enhancing Sarcasm Detection through Focused Reasoning

EMNLP 2025

Sarcasm detection is a crucial yet challenging task in natural language processing. Existing methods primarily rely on supervised learning or prompt engineering, which often struggle to capture the complex reasoning process required for effective sarcasm detection. This paper proposes a novel approa

2025

Semi-Supervised Clustering Framework for Fine-grained Scene Graph Generation

AAAI 2025technical

Scene Graph Generation (SGG) aims to detect all objects and identify their pairwise relationships existing in the scene. Considering the substantial human labor costs, existing scene graph annotations are often sparse and biased, which result in confusion training with low-frequency predicates. In t…

Cited by 0SourcePDFScholar
2025

Sheep’s Skin, Wolf’s Deeds: Are LLMs Ready for Metaphorical Implicit Hate Speech?

ACL 2025long

Implicit hate speech has become a significant challenge for online platforms, as it often avoids detection by large language models (LLMs) due to its indirectly expressed hateful intent. This study identifies the limitations of LLMs in detecting implicit hate speech, particularly when disguised as s…

Cited by 0SourcePDFScholar
2025

Towards Patronizing and Condescending Language in Chinese Videos: A Multimodal Dataset and Detector

ICASSP 2025accepted

Patronizing and Condescending Language (PCL) is a form of discriminatory toxic speech targeting vulnerable groups, threatening both online and offline safety. While toxic speech research has mainly focused on overt toxicity, such as hate speech, microaggressions in the form of PCL remain underexplor…

Cited by 0SourceScholar
2024

Exploring the Capability of Multimodal LLMs with Yonkoma Manga: The YManga Dataset and Its Challenging Tasks

EMNLP 2024finding

Yonkoma Manga, characterized by its four-panel structure, presents unique challenges due to its rich contextual information and strong sequential features. To address the limitations of current multimodal large language models (MLLMs) in understanding this type of data, we create a novel dataset nam…

2024

Giving Control Back to Models: Enabling Offensive Language Detection Models to Autonomously Identify and Mitigate Biases

EMNLP 2024finding

The rapid development of social media has led to an increase in online harassment and offensive speech, posing significant challenges for effective content moderation. Existing automated detection models often exhibit a bias towards predicting offensive speech based on specific vocabulary, which not…

Cited by 0SourcePDFScholar
2024

Improving Graph Contrastive Learning via Adaptive Positive Sampling

CVPR 2024poster

Graph Contrastive Learning (GCL) a Self-Supervised Learning (SSL) architecture tailored for graphs has shown notable potential for mitigating label scarcity. Its core idea is to amplify feature similarities between the positive sample pairs and reduce them between the negative sample pairs. Unfortun…

Cited by 5SourcePDFScholar
2024

Leveraging Social Context for Humor Recognition and Sense of Humor Evaluation in Social Media with a New Chinese Humor Corpus - HumorWB

COLING 2024main

With the development of the Internet, social media has produced a large amount of user-generated data, which brings new challenges for humor computing. Traditional humor computing research mainly focuses on the content, while neglecting the information of interaction relationships in social media. I…

2024

PclGPT: A Large Language Model for Patronizing and Condescending Language Detection

EMNLP 2024finding

Disclaimer: Samples in this paper may be harmful and cause discomfort! Patronizing and condescending language (PCL) is a form of speech directed at vulnerable groups. As an essential branch of toxic language, this type of language exacerbates conflicts and confrontations among Internet communities a…

2024

SAM-Guided Masked Token Prediction for 3D Scene Understanding

NeurIPS 2024poster

Foundation models have significantly enhanced 2D task performance, and recent works like Bridge3D have successfully applied these models to improve 3D scene understanding through knowledge distillation, marking considerable advancements. Nonetheless, challenges such as the misalignment between 2D an…

Cited by 1SourcePDFScholar
2024

Take Its Essence, Discard Its Dross! Debiasing for Toxic Language Detection via Counterfactual Causal Effect

COLING 2024main

Researchers have attempted to mitigate lexical bias in toxic language detection (TLD). However, existing methods fail to disentangle the “useful” and “misleading” impact of lexical bias on model decisions. Therefore, they do not effectively exploit the positive effects of the bias and lead to a degr…

2024

Towards Comprehensive Detection of Chinese Harmful Memes

NeurIPS 2024poster

Harmful memes have proliferated on the Chinese Internet, while research on detecting Chinese harmful memes significantly lags behind due to the absence of reliable datasets and effective detectors. To this end, we present the comprehensive detection of Chinese harmful memes. We introduce ToxiCN MM,…

2024

Unified Graph Augmentations for Generalized Contrastive Learning on Graphs

NeurIPS 2024poster

In real-world scenarios, networks (graphs) and their tasks possess unique characteristics, requiring the development of a versatile graph augmentation (GA) to meet the varied demands of network analysis. Unfortunately, most Graph Contrastive Learning (GCL) frameworks are hampered by the specificity,…

Cited by 1SourcePDFScholar
2024

“Barking up the Right Tree”, a GAN-Based Pun Generation Model through Semantic Pruning

COLING 2024main

In the realm of artificial intelligence and linguistics, the automatic generation of humor, particularly puns, remains a complex task. This paper introduces an innovative approach that employs a Generative Adversarial Network (GAN) and semantic pruning techniques to generate humorous puns. We initia…

Cited by 0SourcePDFScholar
2023

CVRecon: Rethinking 3D Geometric Feature Learning For Neural Reconstruction

ICCV 2023poster

Recent advances in neural reconstruction using posed image sequences have made remarkable progress. However, due to the lack of depth information, existing volumetric-based techniques simply duplicate 2D image features of the object surface along the entire camera ray. We contend this duplication in…

Cited by 22PDFScholar
2023

Deepfake Video Detection via Facial Action Dependencies Estimation

AAAI 2023technical

Deepfake video detection has drawn significant attention from researchers due to the security issues induced by deepfake videos. Unfortunately, most of the existing deepfake detection approaches have not competently modeled the natural structures and movements of human faces. In this paper, we formu…

Cited by 16SourcePDFScholar
2023

Facilitating Fine-grained Detection of Chinese Toxic Language: Hierarchical Taxonomy, Resources, and Benchmarks

ACL 2023long

The widespread dissemination of toxic online posts is increasingly damaging to society. However, research on detecting toxic language in Chinese has lagged significantly due to limited datasets. Existing datasets suffer from a lack of fine-grained annotations, such as the toxic type and expressions…

2023

FineRecon: Depth-aware Feed-forward Network for Detailed 3D Reconstruction

ICCV 2023poster

Recent works on 3D reconstruction from posed images have demonstrated that direct inference of scene-level 3D geometry without test-time optimization is feasible using deep neural networks, showing remarkable promise and high efficiency. However, the reconstructed geometry, typically represented as…

Cited by 27PDFcodeScholar
2023

FourStr: When Multi-sensor Fusion Meets Semi-supervised Learning

ICRA 2023poster

This research proposes a novel semi-supervised learning framework FourStr (Four-Stream formed by two two-stream models) that focuses on the improvement of fusion and labeling efficiency for 3D multi-sensor detector. FourStr adopts a multi-sensor single-stage detector named adaptive fusion network (A…

Cited by 1SourceScholar
2023

Just Like a Human Would, Direct Access to Sarcasm Augmented with Potential Result and Reaction

ACL 2023long

Sarcasm, as a form of irony conveying mockery and contempt, has been widespread in social media such as Twitter and Weibo, where the sarcastic text is commonly characterized as an incongruity between the surface positive and negative situation. Naturally, it has an urgent demand to automatically ide…

2023

LSGNN: Towards General Graph Neural Network in Node Classification by Local Similarity

IJCAI 2023poster

Heterophily has been considered as an issue that hurts the performance of Graph Neural Networks (GNNs). To address this issue, some existing work uses a graph-level weighted fusion of the information of multi-hop neighbors to include more nodes with homophily. However, the heterophily might differ a…

2023

LivePose: Online 3D Reconstruction from Monocular Video with Dynamic Camera Poses

ICCV 2023oral

Dense 3D reconstruction from RGB images traditionally assumes static camera pose estimates. This assumption has endured, even as recent works have increasingly focused on real-time methods for mobile devices. However, the assumption of a fixed pose for each image does not hold for online execution:…

Cited by 4PDFcodeScholar
2023

MultiCMET: A Novel Chinese Benchmark for Understanding Multimodal Metaphor

EMNLP 2023long findings

Metaphor is a pervasive aspect of human communication, and its presence in multimodal forms has become more prominent with the progress of mass media. However, there is limited research on multimodal metaphor resources beyond the English language. Furthermore, the existing work in natural language p…

Cited by 0SourceScholar
2023

Self-supervised Graph Neural Networks via Low-Rank Decomposition

NeurIPS 2023poster

Self-supervised learning is introduced to train graph neural networks (GNNs) by employing propagation-based GNNs designed for semi-supervised learning tasks. Unfortunately, this common choice tends to cause two serious issues. Firstly, global parameters cause the model lack the ability to capture th…

Cited by 14SourcePDFScholar
2022

Disentangling Object Motion and Occlusion for Unsupervised Multi-Frame Monocular Depth

ECCV 2022poster

"Conventional self-supervised monocular depth prediction methods are based on a static environment assumption, which leads to accuracy degradation in dynamic scenes due to the mismatch and occlusion problems introduced by object motions. Existing dynamic-object-focused methods only partially solved…

2022

FocusTR: Focusing on Valuable Feature by Multiple Transformers for Fusing Feature Pyramid on Object Detection

IROS 2022poster

The feature pyramid, which is a vital component of the convolutional neural networks, plays a significant role in several perception tasks, including object detection for autonomous driving. However, how to better fuse multi-level and multi-sensor feature pyramids is still a significant challenge, e…

Cited by 3SourceScholar
2022

OPEN: Orthogonal Propagation with Ego-Network Modeling

NeurIPS 2022accept

To alleviate the unfavorable effect of noisy topology in Graph Neural networks (GNNs), some efforts perform the local topology refinement through the pairwise propagation weight learning and the multi-channel extension. Unfortunately, most of them suffer a common and fatal drawback: irrelevant propa…

Cited by 7SourcePDFScholar
2022

Self-Supervised Graph Neural Networks via Diverse and Interactive Message Passing

AAAI 2022technical

By interpreting Graph Neural Networks (GNNs) as the message passing from the spatial perspective, their success is attributed to Laplacian smoothing. However, it also leads to serious over-smoothing issue by stacking many layers. Recently, many efforts have been paid to overcome this issue in semi-s…

Cited by 12SourcePDFScholar
2021

Biomimetic Flip-and-Flap Strategy of Flying Objects for Perching on Inclined Surfaces

RA-L 2021

Animals can use the maneuver of a flipping body and flapping wings to reduce the normal rebound force of impact during landing, decreasing the adsorption force required by the contact point. This capability aids aerial vehicles with landing not only on vertical surfaces, but also on inclined surface

Cited by 11SourceScholar
2021

Diverse Message Passing for Attribute with Heterophily

NeurIPS 2021poster

Most of the existing GNNs can be modeled via the Uniform Message Passing framework. This framework considers all the attributes of each node in its entirety, shares the uniform propagation weights along each edge, and focuses on the uniform weight learning. The design of this framework possesses tw…

Cited by 83SourcePDFScholar
2021

GPR-based Model Reconstruction System for Underground Utilities Using GPRNet

ICRA 2021poster

Ground Penetrating Radar (GPR) is one of the most important non-destructive evaluation (NDE) instruments to detect and locate underground objects (i.e. rebars, utility pipes). Many of the previous researches focus on GPR image-based feature detection only, and none can process sparse GPR measurement…

Cited by 19SourceScholar
2021

Hate Speech Detection Based on Sentiment Knowledge Sharing

ACL 2021long

The wanton spread of hate speech on the internet brings great harm to society and families. It is urgent to establish and improve automatic detection and active avoidance mechanisms for hate speech. While there exist methods for hate speech detection, they stereotype words and hence suffer from inhe…

2021

Heterogeneous Graph Information Bottleneck

IJCAI 2021poster

Most attempts on extending Graph Neural Networks (GNNs) to Heterogeneous Information Networks (HINs) implicitly take the direct assumption that the multiple homogeneous attributed networks induced by different meta-paths are complementary. The doubts about the hypothesis of complementary motivate…

Cited by 33SourcePDFScholar
2021

Label-Enhanced Hierarchical Contextualized Representation for Sequential Metaphor Identification

EMNLP 2021main

Recent metaphor identification approaches mainly consider the contextual text features within a sentence or introduce external linguistic features to the model. But they usually ignore the extra information that the data can provide, such as the contextual metaphor information and broader discourse…

Cited by 7SourcePDFScholar
2021

MultiMET: A Multimodal Dataset for Metaphor Understanding

ACL 2021long

Metaphor involves not only a linguistic phenomenon, but also a cognitive phenomenon structuring human thought, which makes understanding it challenging. As a means of cognition, metaphor is rendered by more than texts alone, and multimodal information in which vision/audio content is integrated with…

Cited by 56SourcePDFScholar
2021

Why Do Attributes Propagate in Graph Convolutional Neural Networks?

AAAI 2021technical

Many efforts have been paid to enhance Graph Convolutional Network from the perspective of propagation under the philosophy that ``Propagation is the essence of the GCNNs". Unfortunately, its adverse effect is over-smoothing, which makes the performance dramatically drop. To prevent the over-smoothi…

Cited by 35SourcePDFScholar
2020

Adversarial Mutual Information Learning for Network Embedding

IJCAI 2020poster

Network embedding which is to learn a low dimensional representation of nodes in a network has been used in many network analysis tasks. Some network embedding methods, including those based on generative adversarial networks (GAN) (a promising deep learning technique), have been proposed recently.…

Cited by 0SourcePDFScholar
2020

GPR-based Subsurface Object Detection and Reconstruction Using Random Motion and DepthNet

ICRA 2020poster

Ground Penetrating Radar (GPR) is one of the most important non-destructive evaluation (NDE) devices to detect the subsurface objects (i.e. rebars, utility pipes) and reveal the underground scene. One of the biggest challenges in GPR based inspection is the subsurface targets reconstruction. In orde…

Cited by 36SourceScholar
2020

JANE: Jointly Adversarial Network Embedding

IJCAI 2020poster

Motivated by the capability of Generative Adversarial Network on exploring the latent semantic space and capturing semantic variations in the data distribution, adversarial learning has been adopted in network embedding to improve the robustness. However, this important ability is lost in existing…

Cited by 0SourcePDFScholar
2019

A Refined Margin Distribution Analysis for Forest Representation Learning

NeurIPS 2019poster

In this paper, we formulate the forest representation learning approach called \textsc{CasDF} as an additive model which boosts the augmented feature instead of the prediction. We substantially improve the upper bound of the generalization gap from $\mathcal{O}(\sqrt{\ln m/m})$ to $\mathcal{O}(\ln m…

Cited by 23SourcePDFScholar
2019

Deep Neural Network based Visual Inspection with 3D Metric Measurement of Concrete Defects using Wall-climbing Robot

IROS 2019poster

This paper presents a novel metric inspection robot system using a deep neural network to detect and measure surface flaws (i.e., crack and spalling) on concrete structures performed by a wall-climbing robot. The system consists of four modules: robotics data collection module to obtain RGB-D images…

Cited by 28SourceScholar
2015

Generation of dynamically feasible and collision free trajectory by applying six-order Bezier curve and local optimal reshaping

IROS 2015poster

This paper considers the problem of generating dynamically feasible and collision free trajectory for unmanned aerial vehicles(UAVs) in cluttered environments. General random-based searching algorithms output piecewise linear paths, which cause big discrepancy when used as navigation reference for U…

Cited by 33SourceScholar