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Haiming Xu

12 accepted papers

2026

Web-CogReasoner: Towards Knowledge-Induced Cognitive Reasoning for Web Agents

ICLR 2026poster

Multimodal large-scale models have significantly advanced the development of web agents, enabling them to perceive and interact with the digital environment in a manner analogous to human cognition. In this paper, we argue that web agents must first acquire sufficient knowledge to engage in cognitiv…

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2025

Deep Multi-modal Graph Clustering via Graph Transformer Network

AAAI 2025technical

Current deep multi-modal graph clustering methods primarily rely on Graph Neural Network (GNN) to fully exploit attribute features and graph structures, including message propagation and low-dimensional feature embedding. However, these methods lack further exploration of graph structural informatio…

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2025

Efficient Multi-view Clustering via Reinforcement Contrastive Learning

IJCAI 2025

Contrastive multi-view clustering has demonstrated remarkable potential in complex data analysis, yet existing approaches face two critical challenges: difficulty in constructing high-quality positive and negative pairs and high computational overhead due to static optimization strategies. To addres

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2025

Fair Incomplete Multi-View Clustering via Distribution Alignment

IJCAI 2025

Incomplete multi-view clustering (IMVC) extracts consistent and complementary information from multi-source/modality data with missing views, aiming to partition the data into different clusters. It can effectively address the problem of unsupervised multi-source data analysis in complex environment

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2024

Reconstruction Weighting Principal Component Analysis with Fusion Contrastive Learning

IJCAI 2024poster

Principal component analysis (PCA) is a popular unsupervised dimensionality reduction method to extract the principal components of data. However, there are two problems with the existing PCA: (1) Traditional PCA methods treat each sample equally and ignore sample differences. (2) They fail to extra…

2024

Revisiting Open-Set Panoptic Segmentation

AAAI 2024technical

In this paper, we focus on the open-set panoptic segmentation (OPS) task to circumvent the data explosion problem. Different from the close-set setting, OPS targets to detect both known and unknown categories, where the latter is not annotated during training. Different from existing work that only…

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2022

Improving Fine-Grained Visual Recognition in Low Data Regimes via Self-Boosting Attention Mechanism

ECCV 2022poster

"The challenge of fine-grained visual recognition often lies in discovering the key discriminative regions. While such regions can be automatically identified from a large-scale labeled dataset, a similar method might become less effective when only a few annotations are available. In low data regim…

2022

Progressive Class Semantic Matching for Semi-supervised Text Classification

NAACL 2022long

Semi-supervised learning is a promising way to reduce the annotation cost for text-classification. Combining with pre-trained language models (PLMs), e.g., BERT, recent semi-supervised learning methods achieved impressive performance. In this work, we further investigate the marriage between semi-su…

2022

Semi-supervised Semantic Segmentation with Prototype-based Consistency Regularization

NeurIPS 2022accept

Semi-supervised semantic segmentation requires the model to effectively propagate the label information from limited annotated images to unlabeled ones. A challenge for such a per-pixel prediction task is the large intra-class variation, i.e., regions belonging to the same class may exhibit a very d…