collaborators

9 papers

cs.IR2026

OxygenREC-v2: Internalizing Discrimination into Generative Recommendation

Guo Tang, Hanye Wu, Changjiang Han +9

Generative recommendation unifies retrieval and ranking within a single model by autoregressively decoding semantic identifier (SID) sequences. Yet reliably incorporating behavior…

cs.AI2026

MindLoom: Composing Thought Modes for Frontier-Level Reasoning Data Synthesis

Haiyang Shen, Taian Guo, Xuanzhong Chen +11

Although LLMs have made substantial progress in reasoning, systematically producing frontier-level reasoning data remains difficult. Existing synthesis methods often have limited v…

cs.CL2026

LLMEval-Logic: A Solver-Verified Chinese Benchmark for Logical Reasoning of LLMs with Adversarial Hardening

Ming Zhang, Qiyuan Peng, Yinxi Wei +13

Evaluating large language models (LLMs) on natural-language logical reasoning is essential because rule-governed tasks require conclusions to follow strictly from stated premises.…

cs.CL2026

SciCustom: A Framework for Custom Evaluation of Scientific Capabilities in Large Language Models

Yiyang Gu, Junwei Yang, Junyu Luo +15

Large language models (LLMs) are increasingly applied to scientific research, yet existing evaluations often fail to reflect the fine-grained capabilities required in practice. Mos…

cs.IR2025

OxygenREC: An Instruction-Following Generative Framework for E-commerce Recommendation

Xuegang Hao, Ming Zhang, Alex Li +30

Traditional recommendation systems suffer from inconsistency in multi-stage optimization objectives. Generative Recommendation (GR) mitigates them through an end-to-end framework;…

cs.AI2025

MASS: Muli-agent simulation scaling for portfolio construction

Taian Guo, Haiyang Shen, JinSheng Huang +9

The application of LLM-based agents in financial investment has shown significant promise, yet existing approaches often require intermediate steps like predicting individual stock…