Author

Xinyu Lin

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Open access Aug 2026

SETRec++: Scaling Order-agnostic Identifier for Large Language Model-based Generative Recommendation

Leveraging Large Language Models (LLMs) for generative recommendation has attracted significant research interest, where item tokenization is a critical step. It involves assigning item identifiers for LLMs to encode user history and generate the next item. Existing approaches leverage either token-sequence identifiers...

Xin-Yu Lin, Chuan-Bo Zhang, Yu-Fan Liu et al. · ACM Transactions on Recommen... · 0 citations

Preprint Aug 2026

FinDeepIndicator: Benchmarking Deep Research Agents in End-to-End Financial Indicator Construction

FinDeepIndicator is proposed, the first benchmark dedicated to evaluating Deep Research agents in end-to-end financial indicator construction, and covers fundamental, technical, and macroeconomic indicators organized into 21 fine-grained sub-categories.

Chaoqun Yang, Fengbin Zhu, Xinyu Lin et al. · 0 citations

Jul 2026

Beyond Action Imitation: Learning a Decision-Aware User Simulator for Online Advertising

DASH is a decision-aware user simulator that jointly generates thinking traces and predicts behavioral actions from heterogeneous cross-domain histories and tailors a rubric-based reward model that evaluates thinking traces along form, content, and logic for RL training.

Zi-Hang Chen, Jiaer Zheng, Xiangyang Xu et al. · arXiv.org · 0 citations