activity
20242026
collaborators

5 papers

cs.LG2026

DOGMA: Weaving Structural Information into Data-centric Single-cell Transcriptomics Analysis

Ru Zhang, Xunkai Li, Yaxin Deng +7

Recently, data-centric AI methodology has been a dominant paradigm in single-cell transcriptomics analysis, which treats data representation rather than model complexity as the fun…

cs.LG2026

Toward Effective Multimodal Graph Foundation Model: A Divide-and-Conquer Based Approach

Sicheng Liu, Xunkai Li, Daohan Su +4

Graph Foundation Models (GFMs) have achieved remarkable success in generalizing across diverse domains. However, they mainly focus on Text-Attributed Graphs (TAGs), leaving Multimo…

cs.AI2025

VisuoAlign: Safety Alignment of LVLMs with Multimodal Tree Search

MingSheng Li, Guangze Zhao, Sichen Liu

Large Vision-Language Models (LVLMs) have achieved remarkable progress in multimodal perception and generation, yet their safety alignment remains a critical challenge.Existing def…

cs.LG2025

Two Facets of the Same Optimization Coin: Model Degradation and Representation Collapse in Graph Foundation Models

Xunkai Li, Daohan Su, Sicheng Liu +5

Inspired by the success of LLMs, GFMs are designed to learn the optimal embedding functions from multi-domain text-attributed graphs for the downstream cross-task generalization ca…

cs.CV2024

SITransformer: Shared Information-Guided Transformer for Extreme Multimodal Summarization

Sicheng Liu, Lintao Wang, Xiaogang Zhu +3

Extreme Multimodal Summarization with Multimodal Output (XMSMO) becomes an attractive summarization approach by integrating various types of information to create extremely concise…