activity
20192026
most citedAn Overview on Smart Contracts: Challenges, Advances and Platforms

1.2k citations · 1.2k across the 23 of their papers we have counts for

collaborators

26 papers

cs.LG2026

On Parameters of Nonlinear Scalar Dynamics from Video: Invariants, Calibration, and Identifiability

Wenjie Wang, Yuanyuan Wang, Zixiang Jiang +2

Physical parameter estimation from video aims to recover the parameters of a known family of governing dynamical equations from pixel observations. Existing identifiability theory…

cs.CV2026

MoVA: Learning Asymmetric Dual Projections for Modular Long Video-Text Alignment

Peiyuan Zhu, Shaoan Xie, Zijian Li +5

Contrastive pre-training has propelled video-text alignment, yet models often inherit the critical limitations of their image-text predecessors like CLIP, resulting in entangled re…

cs.CL2026

Beyond Perplexity: A Behavioral Evaluation Framework for Deployment-Memory Claims in LLM Test-Time Training

Xiangchen Song, Zhenhao Chen, Lingjing Kong +4

Large language model test-time training (TTT) is often evaluated through local proxy metrics: models are updated on recent tokens, retrieved context, target-domain data, or verifia…

cs.LG2026

A Dialogue between Causal and Traditional Representation Learning: Toward Mutual Benefits in a Unified Formulation

Yan Li, Yuewen Sun, Shaoan Xie +4

Causal representation learning (CRL) and traditional representation learning have largely developed along different trajectories. Traditional representation learning has been drive…

cs.LG2026

SEDGE: Structural Extrapolated Data Generation

Kun Zhang, Jiaqi Sun, Yiqing Li +3

This paper aims to address the challenge of data generation beyond the training data and proposes a framework for Structural Extrapolated Data GEneration (SEDGE) based on suitable…

cs.LG2026

From Generalist to Specialist Representation

Yujia Zheng, Fan Feng, Yuke Li +3

Given a generalist model, learning a task-relevant specialist representation is fundamental for downstream applications. Identifiability, the asymptotic guarantee of recovering the…

cs.LG2026

The Power of Order: Fooling LLMs with Adversarial Table Permutations

Xinshuai Dong, Haifeng Chen, Xuyuan Liu +5

Large Language Models have achieved remarkable success and are increasingly deployed in critical applications involving tabular data, such as Table Question Answering. However, the…

cs.LG2026

Causal Representation Learning from General Environments under Nonparametric Mixing

Ignavier Ng, Shaoan Xie, Xinshuai Dong +2

Causal representation learning aims to recover the latent causal variables and their causal relations, typically represented by directed acyclic graphs (DAGs), from low-level obser…

cs.LG2025

Learning by Analogy: A Causal Framework for Composition Generalization

Lingjing Kong, Shaoan Xie, Yang Jiao +6

Compositional generalization -- the ability to understand and generate novel combinations of learned concepts -- enables models to extend their capabilities beyond limited experien…

cs.LG2025

Beyond the Black Box: Identifiable Interpretation and Control in Generative Models via Causal Minimality

Lingjing Kong, Shaoan Xie, Guangyi Chen +4

Deep generative models, while revolutionizing fields like image and text generation, largely operate as opaque ``black boxes'', hindering human understanding, control, and alignmen…

cs.AI2025

Advancing Reasoning in Diffusion Language Models with Denoising Process Rewards

Shaoan Xie, Lingjing Kong, Xiangchen Song +4

Diffusion-based large language models offer a non-autoregressive alternative for text generation, but enabling them to perform complex reasoning remains challenging. Reinforcement…

cs.LG2025

Nonparametric Identification of Latent Concepts

Yujia Zheng, Shaoan Xie, Kun Zhang

We are born with the ability to learn concepts by comparing diverse observations. This helps us to understand the new world in a compositional manner and facilitates extrapolation,…

cs.CV2025

SmartCLIP: Modular Vision-language Alignment with Identification Guarantees

Shaoan Xie, Lingjing Kong, Yujia Zheng +5

Contrastive Language-Image Pre-training (CLIP)~\citep{radford2021learning} has emerged as a pivotal model in computer vision and multimodal learning, achieving state-of-the-art per…

cs.LG2025

Synergy Between Sufficient Changes and Sparse Mixing Procedure for Disentangled Representation Learning

Zijian Li, Shunxing Fan, Yujia Zheng +6

Disentangled representation learning aims to uncover latent variables underlying the observed data, and generally speaking, rather strong assumptions are needed to ensure identifia…

cs.CV2025

Controllable Video Generation with Provable Disentanglement

Yifan Shen, Peiyuan Zhu, Zijian Li +6

Controllable video generation remains a significant challenge, despite recent advances in generating high-quality and consistent videos. Most existing methods for controlling video…

cs.LG2024★ 1 cited

Causal Representation Learning from Multiple Distributions: A General Setting

Kun Zhang, Shaoan Xie, Ignavier Ng +1

In many problems, the measured variables (e.g., image pixels) are just mathematical functions of the latent causal variables (e.g., the underlying concepts or objects). For the pur…

cs.CV2023★ 2 cited

DreamInpainter: Text-Guided Subject-Driven Image Inpainting with Diffusion Models

Shaoan Xie, Yang Zhao, Zhisheng Xiao +5

This study introduces Text-Guided Subject-Driven Image Inpainting, a novel task that combines text and exemplar images for image inpainting. While both text and exemplar images hav…

cs.LG2023★ 3 cited

Semi-Implicit Denoising Diffusion Models (SIDDMs)

Yanwu Xu, Mingming Gong, Shaoan Xie +4

Despite the proliferation of generative models, achieving fast sampling during inference without compromising sample diversity and quality remains challenging. Existing models such…

cs.LG2023★ 1 cited

Partial Identifiability for Domain Adaptation

Lingjing Kong, Shaoan Xie, Weiran Yao +5

Unsupervised domain adaptation is critical to many real-world applications where label information is unavailable in the target domain. In general, without further assumptions, the…

cs.LG2023

Advancing Counterfactual Inference through Nonlinear Quantile Regression

Shaoan Xie, Biwei Huang, Bin Gu +2

The capacity to address counterfactual "what if" inquiries is crucial for understanding and making use of causal influences. Traditional counterfactual inference, under Pearls' cou…

cs.LG2023★ 7 cited

Emerging Synergies in Causality and Deep Generative Models: A Survey

Guanglin Zhou, Shaoan Xie, Guang-Yuan Hao +7

In the field of artificial intelligence (AI), the quest to understand and model data-generating processes (DGPs) is of paramount importance. Deep generative models (DGMs) have prov…

cs.CV2022★ 6 cited

SmartBrush: Text and Shape Guided Object Inpainting with Diffusion Model

Shaoan Xie, Zhifei Zhang, Zhe Lin +2

Generic image inpainting aims to complete a corrupted image by borrowing surrounding information, which barely generates novel content. By contrast, multi-modal inpainting provides…

cs.CV2022★ 1 cited

Adversarial Consistency for Single Domain Generalization in Medical Image Segmentation

Yanwu Xu, Shaoan Xie, Maxwell Reynolds +3

An organ segmentation method that can generalize to unseen contrasts and scanner settings can significantly reduce the need for retraining of deep learning models. Domain Generaliz…

cs.CV2022★ 1 cited

Maximum Spatial Perturbation Consistency for Unpaired Image-to-Image Translation

Yanwu Xu, Shaoan Xie, Wenhao Wu +3

Unpaired image-to-image translation (I2I) is an ill-posed problem, as an infinite number of translation functions can map the source domain distribution to the target distribution.…