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Zequn Sun

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#artificial intelligence Preprint Sep 2026

A Benchmark and Diagnostic Study of Epistemic Admission in Shared Agent Memory

Evaluating claim admission in shared agent memory is challenging because repeated claims may be mistaken for independent evidence. An agent may copy or paraphrase a retrieved belief, while admitting a false claim exposes subsequent agents to it. To study this problem, we introduce the Correlated Promotion Benchmark (CP...

Xiao-Yang Li, Yi-Qi Wang, Chen-Cheng Zhu et al. · 0 citations
#machine learning Conference Jan 2026

Breaking the Reasoning Horizon in Entity Alignment Foundation Models

This work proposes a EA foundation model driven by a parallel encoding strategy that facilitates anchor-conditioned message passing and significantly shortens the inference trajectory by leveraging local structural proximity instead of global search.

Yuanning Cui, Zequn Sun, Wei Hu et al. · 1 citation
#machine learning Preprint Sep 2026

Dense Process Supervision for Search Agents via Fact Utility Estimation

A dense process supervision method based on fact utility estimation, which models the reasoning process as the accumulation of discrete evidence facts, and converts the estimated fact utilities into dense step-level rewards to guide RL training.

Rongzhi Zhu, Xiang-Yu Liu, Yi Liu et al. · 1 citation

Beyond Static Summarization: Proactive Memory Extraction for LLM Agents

ProMem is proposed, a proactive memory extraction framework that separates details, events, and relations, and uses different extraction strategies for each type, and improves memory completeness and QA accuracy, while keeping a good balance between quality and token cost.

Cheng Yang, Zequn Sun, Wei Wei et al. · 16 citations
#artificial intelligence Open access Nov 2025

KGFR: A Foundation Retriever for Generalized Knowledge Graph Question Answering

The LLM–KGFR collaborative framework, where an LLM works with a structured retriever, the Knowledge Graph Foundation Retriever (KGFR), achieves strong performance while maintaining scalability and generalization, providing a practical solution for KG-augmented reasoning.

Yuanning Cui, Zequn Sun, Wei Hu et al. · 0 citations

Asymmetric On-Policy Distillation: Bridging Exploitation and Imitation at the Token Level

AOPD replaces ineffective negative reinforcement with localized divergence minimization in non-positive advantage regions while preserving positive reinforcement learning and maintains higher policy entropy during training and better capability retention during sequential tool-use adaptation.

Nan Jia, Haojin Yang, Xing-Chen Ma et al. · 18 citations · ⚡5
Preprint Aug 2026

Toward Effective and Reliable LLM Agents via Dynamic Ontology

OaK is presented, an ontology-as-a-kernel framework that dynamically constructs and refines task-oriented ontologies for LLM agents and shows that OaK improves standard LLM agents, strengthens evidence grounding, and boosts the reliability of multi-step reasoning.

Xiaohui Zhang, Ze-Qun Sun, Cheng Yang et al. · 0 citations
Preprint Aug 2026

MAP-Graph: Provenance-Aware Shared Memory for Multi-Agent Workflows

MAP-Graph is introduced, a provenance-aware memory layer that represents agents, sources, memories, claims, and actions in a typed execution graph and supports provenance as an operational control signal, rather than only post-hoc audit metadata, within the evaluated setting.

Yi-Qi Wang, Zihao Yan, Jia-Qi Zhang et al. · 8 citations · ⚡2

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