collaborators

11 papers

cs.IR2026

MemoryCPT: An End-to-End Agent Memory Framework for Cost-Performance Trade-off

Songxin Lei, Kun Ouyang, Weilin Ruan +4

Long-horizon LLM agents require memory systems that recover useful evidence from large interaction histories without passing excessive context to downstream models. Existing memory…

cs.LG2026

TS-Memory: Plug-and-Play Memory for Time Series Foundation Models

Sisuo Lyu, Siru Zhong, Tiegang Chen +6

Time Series Foundation Models (TSFMs) achieve strong zero-shot forecasting through large-scale pre-training, but adapting them to downstream domains under distribution shift remain…

cs.AI2026

Visual Reasoning over Time Series via Multi-Agent System

Weilin Ruan, Yuxuan Liang

Time series analysis underpins many real-world applications, yet existing time-series-specific methods and pretrained large-model-based approaches remain limited in integrating int…

cs.LG2026

SEDformer: Event-Synchronous Spiking Transformers for Irregular Telemetry Time Series Forecasting

Ziyu Zhou, Yuchen Fang, Weilin Ruan +3

Telemetry streams from large-scale Internet-connected systems (e.g., IoT deployments and online platforms) naturally form an irregular multivariate time series (IMTS) whose accurat…

cs.LG2025

RAST: A Retrieval Augmented Spatio-Temporal Framework for Traffic Prediction

Weilin Ruan, Xilin Dang, Ziyu Zhou +2

Traffic prediction is a cornerstone of modern intelligent transportation systems and a critical task in spatio-temporal forecasting. Although advanced Spatio-temporal Graph Neural…

cs.LG2025

OccamVTS: Distilling Vision Models to 1% Parameters for Time Series Forecasting

Sisuo Lyu, Siru Zhong, Weilin Ruan +4

Time series forecasting is fundamental to diverse applications, with recent approaches leverage large vision models (LVMs) to capture temporal patterns through visual representatio…