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20212026
most citedLogiformer: A Two-Branch Graph Transformer Network for Interpretable Logical Reasoning

22 citations · 39 across the 19 of their papers we have counts for

collaborators

21 papers

cs.CL2026

OdysseyArena: Benchmarking Large Language Models For Long-Horizon, Active and Inductive Interactions

Hang Yan, Fangzhi Xu, Qiushi Sun +14

The advancement of Large Language Models (LLMs) has catalyzed the development of autonomous agents capable of navigating complex environments. However, existing evaluations primari…

cs.CL2026

SSL: Sweet Spot Learning for Differentiated Guidance in Agentic Optimization

Jinyang Wu, Changpeng Yang, Yuhao Shen +9

Reinforcement learning with verifiable rewards has emerged as a powerful paradigm for training intelligent agents. However, existing methods typically employ binary rewards that fa…

cs.AI2026

-Bench: Benchmarking Memory-Driven Scientific Reasoning via Anchor and Attractor Activation

Jian Zhang, Yu He, Zhiyuan Wang +5

Scientific reasoning relies not only on logical inference but also on activating prior knowledge and experiential structures. Memory can efficiently reuse knowledge and enhance rea…

cs.AI2025

Toward Clinically Explainable AI for Medical Diagnosis: A Foundation Model with Human-Compatible Reasoning via Reinforcement Learning

Qika Lin, Yifan Zhu, Bin Pu +14

The clinical adoption of artificial intelligence (AI) in medical diagnostics is critically hampered by its black-box nature, which prevents clinicians from verifying the rationale…

cs.AI2025

Towards Unified Neurosymbolic Reasoning on Knowledge Graphs

Qika Lin, Fangzhi Xu, Hao Lu +5

Knowledge Graph (KG) reasoning has received significant attention in the fields of artificial intelligence and knowledge engineering, owing to its ability to autonomously deduce ne…

cs.CL2025★ 1 cited

Graph-R1: Towards Agentic GraphRAG Framework via End-to-end Reinforcement Learning

Haoran Luo, Haihong E, Guanting Chen +8

Retrieval-Augmented Generation (RAG) mitigates hallucination in LLMs by incorporating external knowledge, but relies on chunk-based retrieval that lacks structural semantics. Graph…

cs.CL2025

MUR: Momentum Uncertainty guided Reasoning for Large Language Models

Hang Yan, Fangzhi Xu, Rongman Xu +8

Large Language Models have achieved impressive performance on reasoning-intensive tasks, yet optimizing their reasoning efficiency remains an open challenge. While Test-Time Scalin…

cs.CV2025

ChartSketcher: Reasoning with Multimodal Feedback and Reflection for Chart Understanding

Muye Huang, Lingling Zhang, Jie Ma +6

Charts are high-density visualization carriers for complex data, serving as a crucial medium for information extraction and analysis. Automated chart understanding poses significan…

cs.LG2025

-Decoding: Adaptive Foresight Sampling for Balanced Inference-Time Exploration and Exploitation

Fangzhi Xu, Hang Yan, Chang Ma +4

Inference-time optimization scales computation to derive deliberate reasoning steps for effective performance. While previous search-based strategies address the short-sightedness…

cs.AI2025

MAPS: Multi-Agent Personality Shaping for Collaborative Reasoning

Jian Zhang, Zhiyuan Wang, Zhangqi Wang +6

Collaborative reasoning with multiple agents offers the potential for more robust and diverse problem-solving. However, existing approaches often suffer from homogeneous agent beha…

cs.LG2025★ 1 cited

BioMaze: Benchmarking and Enhancing Large Language Models for Biological Pathway Reasoning

Haiteng Zhao, Chang Ma, Fangzhi Xu +2

The applications of large language models (LLMs) in various biological domains have been explored recently, but their reasoning ability in complex biological systems, such as pathw…

cs.CL2025★ 1 cited

Self-supervised Quantized Representation for Seamlessly Integrating Knowledge Graphs with Large Language Models

Qika Lin, Tianzhe Zhao, Kai He +5

Due to the presence of the natural gap between Knowledge Graph (KG) structures and the natural language, the effective integration of holistic structural information of KGs with La…

cs.CL2024★ 1 cited

Interactive Evolution: A Neural-Symbolic Self-Training Framework For Large Language Models

Fangzhi Xu, Qiushi Sun, Kanzhi Cheng +3

One of the primary driving forces contributing to the superior performance of Large Language Models (LLMs) is the extensive availability of human-annotated natural language data, w…

cs.CL2024

PathReasoner: Modeling Reasoning Path with Equivalent Extension for Logical Question Answering

Fangzhi Xu, Qika Lin, Tianzhe Zhao +2

Logical reasoning task has attracted great interest since it was proposed. Faced with such a task, current competitive models, even large language models (e.g., ChatGPT and PaLM 2)…

cs.CL2024

A Semantic Mention Graph Augmented Model for Document-Level Event Argument Extraction

Jian Zhang, Changlin Yang, Haiping Zhu +3

Document-level Event Argument Extraction (DEAE) aims to identify arguments and their specific roles from an unstructured document. The advanced approaches on DEAE utilize prompt-ba…

cs.HC2024★ 1 cited

SeeClick: Harnessing GUI Grounding for Advanced Visual GUI Agents

Kanzhi Cheng, Qiushi Sun, Yougang Chu +4

Graphical User Interface (GUI) agents are designed to automate complex tasks on digital devices, such as smartphones and desktops. Most existing GUI agents interact with the enviro…

cs.CL2023★ 1 cited

Symbol-LLM: Towards Foundational Symbol-centric Interface For Large Language Models

Fangzhi Xu, Zhiyong Wu, Qiushi Sun +6

Although Large Language Models (LLMs) demonstrate remarkable ability in processing and generating human-like text, they do have limitations when it comes to comprehending and expre…

cs.CL2023★ 11 cited

Are Large Language Models Really Good Logical Reasoners? A Comprehensive Evaluation and Beyond

Fangzhi Xu, Qika Lin, Jiawei Han +3

Logical reasoning consistently plays a fundamental and significant role in the domains of knowledge engineering and artificial intelligence. Recently, Large Language Models (LLMs)…

cs.AI2023

Mind Reasoning Manners: Enhancing Type Perception for Generalized Zero-shot Logical Reasoning over Text

Fangzhi Xu, Jun Liu, Qika Lin +3

Logical reasoning task involves diverse types of complex reasoning over text, based on the form of multiple-choice question answering. Given the context, question and a set of opti…

cs.CL2022★ 22 cited

Logiformer: A Two-Branch Graph Transformer Network for Interpretable Logical Reasoning

Fangzhi Xu, Jun Liu, Qika Lin +2

Machine reading comprehension has aroused wide concerns, since it explores the potential of model for text understanding. To further equip the machine with the reasoning capability…

cs.MM2021

MoCA: Incorporating Multi-stage Domain Pretraining and Cross-guided Multimodal Attention for Textbook Question Answering

Fangzhi Xu, Qika Lin, Jun Liu +4

Textbook Question Answering (TQA) is a complex multimodal task to infer answers given large context descriptions and abundant diagrams. Compared with Visual Question Answering (VQA…