activity
20182026
most citedInteract and Decide: Medley of Sub-Attention Networks for Effective Group Recommendation

34 citations · 39 across the 7 of their papers we have counts for

collaborators

9 papers

cs.LG2026

A Unified Scaling Law for Time Series Foundation Models

Xilin Dai, Yiding Liu, Zewei Dong +2

We develop a Unified Scaling Law and a Unified Theory of Time Series Learning to understand how model capacity and historical information support forecasting. Across different look…

cs.LG2026

Pythia: Toward Foundation World Models for Multimodal Time Series

Xilin Dai, Hongzhou Chen, Yifan Hu +3

Time-series foundation models offer a unified approach to forecasting across heterogeneous domains. Textual context and auxiliary observations provide complementary information abo…

cs.LG2026

When Tomorrow Becomes Today: Self-Evolving Policies for Agentic Time-Series Forecasting

Yifan Hu, Xilin Dai, Zhiyuan Qu +4

Agentic time series forecasting concerns systems whose underlying mechanisms evolve, making the relative effectiveness of numerical models, reasoning strategies, and intervention r…

cs.LG2026

Into the ORBIT for Time Series: Training Regimes for Foundation Models

Hongjie Xia, Yiding Liu, Yifan Hu +2

Time series foundation models (TSFMs) have advanced primarily through architectural innovation, while training regimes for large-scale heterogeneous corpora remain under-explored.…

cs.LG2026

Existence Precedes Value: Joint Modeling of Observational Existence and Evolving States in Time Series Forecasting

Yifan Hu, Hongzhou Chen, Peiyuan Liu +3

Real-world time series are often highly incomplete and irregular due to sensor dormancy, transmission delays, and event-driven sampling, making reliable forecasting fundamentally c…

cs.LG2026

Falcon-X: A Time Series Foundation Model for Heterogeneous Multivariate Modeling

Yiding Liu, Yifan Hu, Hongjie Xia +5

Time series foundation models (TSFMs) are transforming the forecasting paradigm through large-scale cross-domain pretraining. However, most existing TSFMs remain univariate, and re…

cs.DB2022★ 1 cited

Online Anomalous Subtrajectory Detection on Road Networks with Deep Reinforcement Learning

Qianru Zhang, Zheng Wang, Cheng Long +5

Detecting anomalous trajectories has become an important task in many location-based applications. While many approaches have been proposed for this task, they suffer from various…

cs.DB2020★ 4 cited

Efficient and Effective Similar Subtrajectory Search with Deep Reinforcement Learning

Zheng Wang, Cheng Long, Gao Cong +1

Similar trajectory search is a fundamental problem and has been well studied over the past two decades. However, the similar subtrajectory search (SimSub) problem, aiming to return…

cs.AI2018★ 34 cited

Interact and Decide: Medley of Sub-Attention Networks for Effective Group Recommendation

Lucas Vinh Tran, Tuan-Anh Nguyen Pham, Yi Tay +3

This paper proposes Medley of Sub-Attention Networks (MoSAN), a new novel neural architecture for the group recommendation task. Group-level recommendation is known to be a challen…