activity
20242026
most citedMulti-Source Knowledge Pruning for Retrieval-Augmented Generation: A Benchmark and Empirical Study

3 citations · 6 across the 18 of their papers we have counts for

collaborators

20 papers

cs.IR2026

ScholarQuest: A Taxonomy-Guided Benchmark for Agentic Academic Paper Search in Open Literature Environments

Tingyue Pan, Mingyue Cheng, Daoyu Wang +4

Academic paper search is a core step in scientific research, and LLM-based search agents are emerging as a promising paradigm for iterative, intent-driven literature exploration. H…

cs.CL2026

TabClaw: An Interactive and Self-Evolving Agent for Spreadsheet Manipulation and Table Reasoning

Mingyue Cheng, Shuo Yu, Daoyu Wang +5

Spreadsheets and tables are widely used representations for structured data analysis, but effective analysis still requires substantial manual effort and domain expertise. Recent l…

cs.LG2026

AgentWorld: A Data Factory for Training LLM Agents from Multi-Turn Interactions

Daoyu Wang, Mingyue Cheng, Qingchuan Li +4

Training LLMs to act as capable agents requires learning from multi-turn interactions with environments. However, multi-turn interaction trajectories generated by heterogeneous age…

cs.CL2026

CAPO: Critic-Guided Action-Aligned Policy Optimization for Advancing LLM Agent Capabilities

Daoyu Wang, Qingchuan Li, Mingyue Cheng +6

Reinforcement learning (RL) has become a key technique for improving the agentic capabilities of large language models (LLMs). Although critic-free methods such as GRPO are increas…

cs.LG2026

CoGenCast: A Coupled Autoregressive-Flow Generative Framework for Time Series Forecasting

Mingyue Cheng, Yaguo Liu, Daoyu Wang +2

Time series forecasting can be viewed as a generative problem that requires both semantic understanding over contextual conditions and stochastic modeling of continuous temporal dy…

cs.AI2026

PaperScout: An Autonomous Agent for Academic Paper Search with Process-Aware Sequence-Level Policy Optimization

Tingyue Pan, Jie Ouyang, Mingyue Cheng +7

Academic paper search is a fundamental task in scientific research, yet most existing approaches organize retrieval around predefined workflows or structured interaction protocols…

cs.CL2026

Mind2Report: Expert-Level Commercial Report Synthesis via Cognitive Deep Research Agent

Mingyue Cheng, Daoyu Wang, Qi Liu +7

Synthesizing informative commercial reports from massive and noisy web sources is critical for high-stakes business decisions. Although recent deep research agents (DRAs) achieve n…

cs.CL2025

From Hypothesis to Premises: LLM-based Backward Logical Reasoning with Selective Symbolic Translation

Qingchuan Li, Mingyue Cheng, Zirui Liu +3

Logical reasoning is a core challenge in natural language understanding and a fundamental capability of artificial intelligence, underpinning scientific discovery, mathematical the…

cs.CL2025

Agent-R1: A Unified and Modular Framework for Agentic Reinforcement Learning

Mingyue Cheng, Shuo Yu, Daoyu Wang +7

Large language models (LLMs) have rapidly evolved from single-turn text generators into the foundation of increasingly capable agents. As these agents take on more complex reasonin…

cs.AI2025

PaperArena: An Evaluation Benchmark for Tool-Augmented Agentic Reasoning on Scientific Literature

Daoyu Wang, Mingyue Cheng, Shuo Yu +4

Understanding and reasoning on the large-scale scientific literature is a crucial touchstone for large language model (LLM) based agents. However, existing works are mainly restric…

cs.CL2025

MemWeaver: A Hierarchical Memory from Textual Interactive Behaviors for Personalized Generation

Shuo Yu, Mingyue Cheng, Daoyu Wang +4

The primary form of user-internet engagement is shifting from leveraging implicit feedback signals, such as browsing and clicks, to harnessing the rich explicit feedback provided b…

cs.LG2025

From Values to Tokens: An LLM-Driven Framework for Context-aware Time Series Forecasting via Symbolic Discretization

Xiaoyu Tao, Shilong Zhang, Mingyue Cheng +5

Time series forecasting plays a vital role in supporting decision-making across a wide range of critical applications, including energy, healthcare, and finance. Despite recent adv…

cs.LG2025

Time Series Forecasting via Reasoning: A Slow-Thinking Approach with Reinforcement Fine-Tuned LLMs

Yitong Zhou, Yucong Luo, Mingyue Cheng +4

To advance time series forecasting (TSF), various methods have been proposed to improve prediction accuracy, evolving from statistical techniques to data-driven deep learning archi…

cs.LG2025

Can Slow-thinking LLMs Reason Over Time? Empirical Studies in Time Series Forecasting

Mingyue Cheng, Jiahao Wang, Daoyu Wang +3

Time series forecasting (TSF) is a fundamental and widely studied task, spanning methods from classical statistical approaches to modern deep learning and multimodal language model…

cs.CL2025

A Survey on Knowledge-Oriented Retrieval-Augmented Generation

Mingyue Cheng, Yucong Luo, Jie Ouyang +9

Retrieval-Augmented Generation (RAG) has gained significant attention in recent years for its potential to enhance natural language understanding and generation by combining large-…

cs.AI2024

TableTime: Reformulating Time Series Classification as Training-Free Table Understanding with Large Language Models

Jiahao Wang, Mingyue Cheng, Qingyang Mao +5

Large language models (LLMs) have demonstrated their effectiveness in multivariate time series classification (MTSC). Effective adaptation of LLMs for MTSC necessitates informative…

cs.LG2024★ 1 cited

Conditional Denoising Meets Polynomial Modeling: A Flexible Decoupled Framework for Time Series Forecasting

Jintao Zhang, Mingyue Cheng, Xiaoyu Tao +2

Time series forecasting models are becoming increasingly prevalent due to their critical role in decision-making across various domains. However, most existing approaches represent…

cs.LG2024★ 2 cited

TimeDART: A Diffusion Autoregressive Transformer for Self-Supervised Time Series Representation

Daoyu Wang, Mingyue Cheng, Zhiding Liu +1

Self-supervised learning has garnered increasing attention in time series analysis for benefiting various downstream tasks and reducing reliance on labeled data. Despite its effect…

cs.IR2024

Revisiting the Solution of Meta KDD Cup 2024: CRAG

Jie Ouyang, Yucong Luo, Mingyue Cheng +4

This paper presents the solution of our team APEX in the Meta KDD CUP 2024: CRAG Comprehensive RAG Benchmark Challenge. The CRAG benchmark addresses the limitations of existing QA…

cs.CL2024★ 3 cited

Multi-Source Knowledge Pruning for Retrieval-Augmented Generation: A Benchmark and Empirical Study

Shuo Yu, Mingyue Cheng, Qi Liu +6

Retrieval-augmented generation (RAG) is increasingly recognized as an effective approach to mitigating the hallucination of large language models (LLMs) through the integration of…