collaborators

10 papers

cs.LG2026

JourneyFormer: Encoding Airbnb Guest Journey with Sequence Modeling

Daochen Zha, Chun How Tan, Xin Liu +9

Sequence modeling has become increasingly popular in recommendation and ranking algorithms, owing to its capacity to model users' historical behaviors and infer user intentions. De…

cs.IR2026

An Embarrassingly Simple Graph Heuristic Reveals Shortcut-Solvable Benchmarks for Sequential Recommendation

Haoyu Han, Li Ma, Hanbing Wang +9

Sequential recommendation has increasingly shifted toward generative recommenders that combine sequential patterns with semantic item information. Yet these methods are often evalu…

cs.CV2026

GraphVLM: Benchmarking Vision Language Models for Multimodal Graph Learning

Jiajin Liu, Dongzhe Fan, Chuanhao Ji +2

Vision-Language Models (VLMs) have demonstrated remarkable capabilities in aligning and understanding multimodal signals, yet their potential to reason over structured data, where…

cs.LG2026

LTSM-Bundle: A Toolbox and Benchmark on Large Language Models for Time Series Forecasting

Yu-Neng Chuang, Songchen Li, Jiayi Yuan +11

Time Series Forecasting (TSF) has long been a challenge in time series analysis. Inspired by the success of Large Language Models (LLMs), researchers are now developing Large Time…

cs.IR2025

Learning to Comparison-Shop

Jie Tang, Daochen Zha, Xin Liu +4

In online marketplaces like Airbnb, users frequently engage in comparison shopping before making purchase decisions. Despite the prevalence of this behavior, a significant disconne…

cs.CL2025

Large Language Models for Disease Diagnosis: A Scoping Review

Shuang Zhou, Zidu Xu, Mian Zhang +14

Automatic disease diagnosis has become increasingly valuable in clinical practice. The advent of large language models (LLMs) has catalyzed a paradigm shift in artificial intellige…