activity
20222026
most citedSparGE: Sparse Coding-based Patient Similarity Learning via Low-rank Constraints and Graph Embedding

2 citations · 3 across the 10 of their papers we have counts for

collaborators

12 papers

cs.LG2026

Does Joint-Embedding Predictive Architecture Pretraining Help Time Series Forecasting?

Yutong Feng, Bowen Liao, See Kiong Ng +1

Joint-embedding predictive architectures (JEPA) have emerged as a promising self-supervised pretraining paradigm for time series, learning representations by predicting target embe…

cs.LG2026

Learning Spatio-Temporal Foundation Models from Pure Synthetic Data

Yutong Feng, Shiyuan Piao, Yutong Xia +5

Spatio-Temporal Foundation Models (STFMs) aim to learn generalizable representations of complex dynamical systems across space and time. However, existing approaches suffer from di…

cs.LG2026

Activation Steering Induces Emergent Misalignment: Steering Vector Construction and Comprehensive Evaluation

Qi Cao, Jian Lou, Meiting Liu +4

Activation steering (AS) has emerged as a popular inference-time technique for modulating the behavior of large language models (LLMs). AS modulates model behavior in a flexible an…

cs.AI2026

TSQAgent: Rating Time Series Data Quality via Dedicated Agentic Reasoning

Shunyu Wu, Dan Li, Haozheng Ye +6

Assessing the quality of time series (TS) data is fundamental yet inherently challenging due to the multifaceted nature of quality dimensions. Recently, large language models (LLMs…

cs.LG2026

Exploiting Verification-Generation Gap: Test-Time Reinforcement Learning with Confidence-Conditioned Verification

Jiahui Li, Jianfeng Shan, Wenpei Chen +5

Test-time reinforcement learning has emerged as a promising paradigm for enhancing the complex reasoning abilities of large language models in a completely label-free manner. Despi…

cs.LG2026

MsFormer: Enabling Robust Predictive Maintenance Services for Industrial Devices

Jiahui Zhou, Dan Li, Ruibing Jin +5

Providing reliable predictive maintenance is a critical industrial AI service essential for ensuring the high availability of manufacturing devices. Existing deep-learning methods…

cs.AI2026

Time Series Reasoning via Process-Verifiable Thinking Data Synthesis and Scheduling for Tailored LLM Reasoning

Jiahui Zhou, Dan Li, Boxin Li +6

Time series is a pervasive data type across various application domains, rendering the reasonable solving of diverse time series tasks a long-standing goal. Recent advances in larg…

cs.LG2025

Lightweight Time Series Data Valuation on Time Series Foundation Models via In-Context Finetuning

Shunyu Wu, Tianyue Li, Yixuan Leng +4

Time series foundation models (TSFMs) have demonstrated increasing capabilities due to their extensive pretraining on large volumes of diverse time series data. Consequently, the q…

cs.AI2025

Integrating Time Series into LLMs via Multi-layer Steerable Embedding Fusion for Enhanced Forecasting

Zhuomin Chen, Dan Li, Jiahui Zhou +4

Time series (TS) data are ubiquitous across various application areas, rendering time series forecasting (TSF) a fundamental task. With the astounding advances in large language mo…

cs.LG2025

Rating Quality of Diverse Time Series Data by Meta-learning from LLM Judgment

Shunyu Wu, Dan Li, Wenjie Feng +3

High-quality time series (TS) data are essential for ensuring TS model performance, rendering research on rating TS data quality indispensable. Existing methods have shown promisin…

cs.LG2024★ 1 cited

GLA-DA: Global-Local Alignment Domain Adaptation for Multivariate Time Series

Gang Tu, Dan Li, Bingxin Lin +2

Unlike images and natural language tokens, time series data is highly semantically sparse, resulting in labor-intensive label annotations. Unsupervised and Semi-supervised Domain A…

cs.LG2022★ 2 cited

SparGE: Sparse Coding-based Patient Similarity Learning via Low-rank Constraints and Graph Embedding

Xian Wei, See Kiong Ng, Tongtong Zhang +1

Patient similarity assessment (PSA) is pivotal to evidence-based and personalized medicine, enabled by analyzing the increasingly available electronic health records (EHRs). Howeve…