activity
20232026
most citedSimCE: Simplifying Cross-Entropy Loss for Collaborative Filtering

2 citations · 4 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CL2026

Predict, Don't Iterate: Efficient Adaptive-Length Infilling for Diffusion Language Models

Haobo Xu, Sirui Chen, Yuanchen Bei +5

Diffusion language models (DLMs) have emerged as a promising alternative to the auto-regressive paradigm. With bidirectional attention and any-order generation, DLMs naturally fit…

cs.CV2026

From Inference to Adaptation: A Unified Optimal Transport View of Vision Language Model

Qi Yu, Zhichen Zeng, Katherine Tieu +8

Vision-language models (VLMs) have demonstrated remarkable zero-shot capabilities yet remain sensitive to real-world distribution shifts during inference. Although significant effo…

cs.CL2026

Prune as You Generate: Online Rollout Pruning for Faster and Better RLVR

Haobo Xu, Sirui Chen, Ruizhong Qiu +5

Reinforcement Learning with Verifiable Rewards (RLVR) has significantly advanced the reasoning capabilities of Large Language Models (LLMs). However, methods such as GRPO and DAPO…

cs.AI2026

TSAQA: Time Series Analysis Question And Answering Benchmark

Baoyu Jing, Sanhorn Chen, Lecheng Zheng +13

Time series data are integral to critical applications across domains such as finance, healthcare, transportation, and environmental science. While recent work has begun to explore…

cs.CV2026

Subspace Alignment for Vision-Language Model Test-time Adaptation

Zhichen Zeng, Wenxuan Bao, Xiao Lin +8

Vision-language models (VLMs), despite their extraordinary zero-shot capabilities, are vulnerable to distribution shifts. Test-time adaptation (TTA) emerges as a predominant strate…

cs.CL2025

Harnessing Consistency for Robust Test-Time LLM Ensemble

Zhichen Zeng, Qi Yu, Xiao Lin +6

Different large language models (LLMs) exhibit diverse strengths and weaknesses, and LLM ensemble serves as a promising approach to integrate their complementary capabilities. Desp…

cs.LG2025★ 1 cited

PLANETALIGN: A Comprehensive Python Library for Benchmarking Network Alignment

Qi Yu, Zhichen Zeng, Yuchen Yan +5

Network alignment (NA) aims to identify node correspondence across different networks and serves as a critical cornerstone behind various downstream multi-network learning tasks. D…

cs.LG2025

Pave Your Own Path: Graph Gradual Domain Adaptation on Fused Gromov-Wasserstein Geodesics

Zhichen Zeng, Ruizhong Qiu, Wenxuan Bao +6

Graph neural networks, despite their impressive performance, are highly vulnerable to distribution shifts on graphs. Existing graph domain adaptation (graph DA) methods often impli…

cs.AI2025

TransNet: Transfer Knowledge for Few-shot Knowledge Graph Completion

Lihui Liu, Zihao Wang, Dawei Zhou +6

Knowledge graphs (KGs) are ubiquitous and widely used in various applications. However, most real-world knowledge graphs are incomplete, which significantly degrades their performa…

cs.AI2025

Joint Optimal Transport and Embedding for Network Alignment

Qi Yu, Zhichen Zeng, Yuchen Yan +3

Network alignment, which aims to find node correspondence across different networks, is the cornerstone of various downstream multi-network and Web mining tasks. Most of the embedd…

cs.LG2025★ 1 cited

THeGCN: Temporal Heterophilic Graph Convolutional Network

Yuchen Yan, Yuzhong Chen, Huiyuan Chen +6

Graph Neural Networks (GNNs) have exhibited remarkable efficacy in diverse graph learning tasks, particularly on static homophilic graphs. Recent attention has pivoted towards more…

cs.IR2024★ 2 cited

SimCE: Simplifying Cross-Entropy Loss for Collaborative Filtering

Xiaodong Yang, Huiyuan Chen, Yuchen Yan +5

The learning objective is integral to collaborative filtering systems, where the Bayesian Personalized Ranking (BPR) loss is widely used for learning informative backbones. However…

cs.LG2023

Fine-grained Graph Rationalization

Zhe Xu, Menghai Pan, Yuzhong Chen +4

Rationale discovery is defined as finding a subset of the input data that maximally supports the prediction of downstream tasks. In the context of graph machine learning, graph rat…