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20242026
most citedEnhancing Foundation Models in Transaction Understanding with LLM-based Sentence Embeddings

2 citations · 2 across the 8 of their papers we have counts for

collaborators

10 papers

cs.AI2026

Chain Dimension Scaling: Communication-Efficient Loop-Style Scaling for Industrial Short-Video Ranking

Zhimeng Jiang, Yuening Li, Ruixiao Sun +4

Industrial recommendation rankers keep scaling in width and depth to billions of parameters, but this increasingly incurs costs in parameter growth, distributed communication overh…

cs.IR2026

Understanding and Mitigating Training Instability in Large-Scale Recommender Systems: A Cascade Perspective

Yuening Li, Zeyu Wang, Zhen Zhang +8

Training large-scale recommender systems on dynamic industrial platforms, such as Short-Form Video (SFV) services with billions of daily interactions, faces critical stability chal…

cs.IR2026

Beyond Item IDs: Scaling Short-Form-Video Recommendation via Semantic-Native Long Sequence Modeling

Ruixiao Sun, Diego Uribe Mora, Zhimeng Jiang +7

Capturing user interests across extensive watch histories is critical for short-form video recommendation, yet scaling sequence length is limited by two bottlenecks: the semantic s…

cs.LG2026

Dataset-Level Metrics Attenuate Non-Determinism: A Fine-Grained Non-Determinism Evaluation in Diffusion Language Models

Zhengyu Fang, Zhimeng Jiang, Huiyuan Chen +5

Diffusion language models (DLMs) have emerged as a promising paradigm for large language models (LLMs), yet the non-deterministic behavior of DLMs remains poorly understood. The ex…

cs.CL2025★ 2 cited

Enhancing Foundation Models in Transaction Understanding with LLM-based Sentence Embeddings

Xiran Fan, Zhimeng Jiang, Chin-Chia Michael Yeh +4

The ubiquity of payment networks generates vast transactional data encoding rich consumer and merchant behavioral patterns. Recent foundation models for transaction analysis proces…

cs.LG2025

TransactionGPT

Yingtong Dou, Zhimeng Jiang, Tianyi Zhang +26

We present TransactionGPT (TGPT), a foundation model for consumer transaction data within one of the world's largest payment networks. TGPT is designed to understand and generate t…

cs.LG2025

A Closer Look on Memorization in Tabular Diffusion Model: A Data-Centric Perspective

Zhengyu Fang, Zhimeng Jiang, Huiyuan Chen +4

Diffusion models have shown strong performance in generating high-quality tabular data, but they carry privacy risks by reproducing exact training samples. While prior work focuses…

cs.LG2025

Towards Efficient Large Scale Spatial-Temporal Time Series Forecasting via Improved Inverted Transformers

Jiarui Sun, Chin-Chia Michael Yeh, Yujie Fan +10

Time series forecasting at scale presents significant challenges for modern prediction systems, particularly when dealing with large sets of synchronized series, such as in a globa…

cs.LG2025

UltraSTF: Ultra-Compact Model for Large-Scale Spatio-Temporal Forecasting

Chin-Chia Michael Yeh, Xiran Fan, Zhimeng Jiang +9

Spatio-temporal data, prevalent in real-world applications such as traffic monitoring, financial transactions, and ride-share demands, represents a specialized case of multivariate…

cs.LG2024

Understanding and Mitigating Memorization in Diffusion Models for Tabular Data

Zhengyu Fang, Zhimeng Jiang, Huiyuan Chen +2

Tabular data generation has attracted significant research interest in recent years, with the tabular diffusion models greatly improving the quality of synthetic data. However, whi…