activity
20242026
most citedLLM-Enhanced Self-Evolving Reinforcement Learning for Multi-Step E-Commerce Payment Fraud Risk Detection

1 citations · 1 across the 4 of their papers we have counts for

collaborators

6 papers

cs.CL2026

The Horizon Gap: Planning, Memory, Execution, Training, and Evaluation for Long-Horizon LLM Agents

Mingguang Chen, Licheng Wang, Bo Qu

Frontier language models solve reasoning problems in a single forward pass that would have been research contributions years ago, yet fail at multi-hour tasks: losing track of earl…

cs.CL2026

The Calibration Floor: Format Repair Can Masquerade as Self-Correction at Small-to-Mid Scale

Mingguang Chen, Bo Qu, Licheng Wang

Accuracy changes after language-model self-revision are usually interpreted as changes in reasoning. We show this can fail at the answer-extraction boundary, and test the failure c…

cs.AI2026

CLQT: A Closed-Loop, Cost-Aware, Strategy-Consistent Benchmark for Diagnostic Evaluation of LLM Portfolio-Management Agents

Bo Qu, Mingguang Chen

LLM agents are increasingly cast as autonomous portfolio managers, and benchmarks have moved from financial question-answering to sequential trading. Yet most still rank agents by…

cs.AI2026

InvestPhilBench: A Multi-Layer Benchmark for Evaluating Large Language Model Procedural Reasoning in Expert Investment Philosophy

Mingguang Chen, Bo Qu

Large language models are increasingly deployed as investment research assistants, yet no benchmark tests whether they can accurately reconstruct and apply the specific procedural…

cs.LG20251 cited

LLM-Enhanced Self-Evolving Reinforcement Learning for Multi-Step E-Commerce Payment Fraud Risk Detection

Bo Qu, Zhurong Wang, Daisuke Yagi +4

This paper presents a novel approach to e-commerce payment fraud detection by integrating reinforcement learning (RL) with Large Language Models (LLMs). By framing transaction risk…

cs.LG2024

Multi-task CNN Behavioral Embedding Model For Transaction Fraud Detection

Bo Qu, Zhurong Wang, Minghao Gu +4

The burgeoning e-Commerce sector requires advanced solutions for the detection of transaction fraud. With an increasing risk of financial information theft and account takeovers, d…