Hiroyuki Satō

Effects of multimodal pain management following total knee arthroplasty on gait recovery and falls

Junya Kubota, Shota Mashimo, Hiroyuki Satō, Susumu Wada et autres

ABSTRACT Purpose Adequate post-operative pain control is essential for recovery after total knee arthroplasty (TKA). Periarticular multimodal drug injection (PMDI) and femoral nerve block (FNB) are commonly used. Although continuous FNB provides effective analgesia, it may impair quadriceps strength and increase the …

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Protecting User Privacy in LLM Reasoning: A Textual Differential Privacy Framework for Context-Aware Applications

Junwei Yu, Yepeng Ding, Jieyu Zhou, Jiani Dai et autres

The growing adoption of context-aware reasoning in Large Language Model (LLM)-based applications, particularly through retrieval-augmented and prompt-enriched architectures, has substantially broadened the utility of LLMs in specialized, real-world scenarios. Yet this progress comes with an underexplored vulnerability: users must supply sensitive contextual …

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Toward Scalable LLM-Based Multi-Agent Collaboration: A Dynamic Task Graph Approach with Asynchronous Parallel Execution

Junwei Yu, Yepeng Ding, Jiani Dai, Junjun Zheng et autres

Deploying Large Language Models (LLMs) in collaborative multi-agent settings represents a promising frontier for complex AI problem-solving, yet the field lacks systematic mechanisms to manage the inherent coordination overhead and resource contention that arise at scale. Existing LLM-based Multi-Agent System (MAS) frameworks …

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Risk of Insomnia Disorder in Japanese Cancer Patients: A Matched Cohort Study Using Employer‐Based Health Insurance Claims Data

Risa Murakami, Hiroyuki Satō, Akihiro Hirakawa

BACKGROUND: Insomnia is a common clinical symptom that significantly impairs quality of life (QOL) and it frequently occurs in cancer patients. However, the risk of insomnia in Japanese cancer patients compared with cancer-free patients has not yet been studied. AIMS: This study …

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SEMA: Self-Evolving Multi-Agent Auditing for Smart Contracts

Yepeng Ding, Ahmed Twabi, Junwei Yu, Lingfeng Zhang et autres

Smart contract auditing remains challenging because vulnerabilities often emerge only under complex execution conditions, cross-transaction interactions, and environment-dependent assumptions. Existing analysis techniques, including static analysis, symbolic execution, fuzzing, and recent LLM-assisted approaches, each provide useful but incomplete coverage, and monolithic auditing pipelines …

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Diagnosis of Ectopic Cervical Thymus in an Infant Using Noninvasive Imaging Methods

Marika Sugiyama, Tamaki Ikuse, Hiroyuki Satō, Hiroki Suganuma et autres

Ectopic cervical thymus (ECT) is a rare congenital anomaly caused by the incomplete descent of thymic tissue during fetal development. Imaging modalities such as ultrasonography and magnetic resonance imaging (MRI) are useful tools for diagnosing this condition. However, ECT is often difficult …

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Seismic proving test of BWR primary loop recirculation system

Hiroyuki Satō, Masahiro SHIGETA, Yuki Karasawa

The seismic proving test of BWR Primary Loop Recirculation system is the second test to use the large-scale, high-performance vibration table of Tadotsu Engineering Laboratory. The purpose of the test is prove the seismic reliability of the primary loop recirculation system (hereinafter …

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Improving Decision Diagram-Based Quantum Circuit Simulation Using Static Variable Ordering and Multinode Ring Communication

Yusuke Kimura, Shaowen Li, Hiroyuki Satō, Masahiro Fujita et autres

Currently the development of quantum computers is active; however, large-scale machines remain limited and noisy. Furthermore, such quantum computers do not allow direct access to state vectors, posing challenges for quantum algorithm development. Quantum circuit simulators on classical computers offer a solution, …

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Evolutionary Multi-objective 3D Topology Optimization Using SIMP-Based Density Interpolation

Fermin del Valle-Vega, Enrique Escamilla-Hernández, Hector Perez-Meana, Hiroyuki Satō

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HQ-FCLB: Hybrid Post-Quantum Access Control with Fog-Assisted Ciphertext Aggregation and Dynamic Load Balancing for Industrial IoT

Somchart Fugkeaw, Maneesha Perera, Hiroyuki Satō

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Therapeutic impact of leuprorelin acetate on spinal and bulbar muscular atrophy: pre- and post-marketing observational study

Atsushi Hashizume, Ryoichi Hanazawa, Shinichiro Yamada, Daisuke Ito et autres

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Decentralized Multi-Agent System with Trust-Aware Communication

Yepeng Ding, Ahmed Twabi, Junwei Yu, Lingfeng Zhang et autres

The emergence of Large Language Models (LLMs) is rapidly accelerating the development of autonomous multiagent systems (MAS), paving the way for the Internet of Agents. However, traditional centralized MAS architectures present significant challenges, including single points of failure, vulnerability to censorship, inherent …

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