activity
20242026
collaborators

11 papers

cs.CE2026

OpenPM: Auditable Point-in-Time Evaluation for LLM Portfolio-Management Agents

Xinying Cai, Minghao Guo, Jiahe Liu +7

Large language models are increasingly used to read markets, assess risk, and allocate capital. However, reported results for LLM trading agents can be inflated by look-ahead leaka…

cs.LG2026

Bayesian Data Reweighting Improves Multimodal Retrieval for Knowledge-Based Visual Question Answering

Jingchen Sun, Shaobo Han, Ruiyi Zhang +5

Multimodal retrievers are essential for knowledge-based visual question answering, where they retrieve external evidence for image-question pairs. However, existing contrastive tra…

cs.IR2026

DSL-R1: From SQL to DSL for Training Retrieval Agents across Structured and Unstructured Data with Reinforcement Learning

Yunhai Hu, Junwei Zhou, Yumo Cao +8

Effective retrieval in complex domains requires bridging the gap between structured metadata and unstructured content. Existing systems typically isolate these capabilities, relyin…

cs.AI2025

PuzzlePlex: Benchmarking Foundation Models on Reasoning and Planning with Puzzles

Yitao Long, Yuru Jiang, Hongjun Liu +6

This work investigates the reasoning and planning capabilities of foundation models and their scalability in complex, dynamic environments. We introduce PuzzlePlex, a benchmark des…

cs.CL2025

FinLFQA: Evaluating Attributed Text Generation of LLMs in Financial Long-Form Question Answering

Yitao Long, Tiansheng Hu, Yilun Zhao +2

Large Language Models (LLMs) frequently hallucinate to long-form questions, producing plausible yet factually incorrect answers. A common mitigation strategy is to provide attribut…

cs.AI2025

MedMMV: A Controllable Multimodal Multi-Agent Framework for Reliable and Verifiable Clinical Reasoning

Hongjun Liu, Yinghao Zhu, Yuhui Wang +4

Recent progress in multimodal large language models (MLLMs) has demonstrated promising performance on medical benchmarks and in preliminary trials as clinical assistants. Yet, our…