activity
20232026
most citedFair collaborative vehicle routing: A deep multi-agent reinforcement learning approach

23 citations · 37 across the 23 of their papers we have counts for

collaborators

25 papers

cs.AI2026

Helicase: Uncertainty-Guided Supply Chain Knowledge Graph Construction with Autonomous Multi-Agent LLMs

Yunbo Long, Haolang Zhao, Ge Zheng +1

LLM-based multi-agent systems have been widely adopted for knowledge retrieval and report generation, synthesizing known information through web search and textual reasoning. Howev…

cs.CL2026

Generating Logically Consistent Synthetic Supply Chain Data with LLM-Driven Knowledge Graph Reasoning

Yunbo Long, Ge Zheng, Liming Xu +1

Synthetic data offers a promising solution to two persistent barriers in supply chain analytics: data scarcity and data privacy. However, for synthetic data to support operational…

cs.CL2026

EmoDistill: Offline Emotion Skill Distillation for Language Model Agents in Adversarial Negotiation

Yunbo Long, Haolang Zhao, Lukas Beckenbauer +2

Post-trained LLMs are often optimized to produce helpful, polite, and accommodating responses. In adversarial negotiation, however, such behavior can become a vulnerability: emotio…

cs.LG2026

Structural Consequences of Policy-Based Interventions on the Global Supply Chain Network

Lea Karbevska, Liming Xu, Zehui Dai +2

As global political tensions rise and the anticipation of additional tariffs from the United States on international trade increases, the issues of economic independence and supply…

physics.soc-ph2026

Modelling viable supply networks with cooperative adaptive financing

Yaniv Proselkov, Liming Xu, Alexandra Brintrup

We propose a financial liquidity policy sharing method for firm-to-firm supply networks, introducing a scalable autonomous control function for viable complex adaptive supply netwo…

cs.AI2026

Automating Supply Chain Disruption Monitoring via an Agentic AI Approach

Sara AlMahri, Liming Xu, Alexandra Brintrup

Modern supply chains are increasingly exposed to disruptions from geopolitical events, demand shocks, trade restrictions, to natural disasters. While many of these disruptions orig…

cs.LG2025

Topological Federated Clustering via Gravitational Potential Fields under Local Differential Privacy

Yunbo Long, Jiaquan Zhang, Xi Chen +1

Clustering non-independent and identically distributed (non-IID) data under local differential privacy (LDP) in federated settings presents a critical challenge: preserving privacy…

cs.CL2025

EQ-Negotiator: Dynamic Emotional Personas Empower Small Language Models for Edge-Deployable Credit Negotiation

Yunbo Long, Yuhan Liu, Alexandra Brintrup

The deployment of large language models (LLMs) in automated negotiation has set a high performance benchmark, but their computational cost and data privacy requirements render them…

cs.MA2025

Orchestrator: Active Inference for Multi-Agent Systems in Long-Horizon Tasks

Lukas Beckenbauer, Johannes-Lucas Loewe, Ge Zheng +1

Complex, non-linear tasks challenge LLM-enhanced multi-agent systems (MAS) due to partial observability and suboptimal coordination. We propose Orchestrator, a novel MAS framework…

cs.AI2025

EvoEmo: Towards Evolved Emotional Policies for Adversarial LLM Agents in Multi-Turn Price Negotiation

Yunbo Long, Liming Xu, Lukas Beckenbauer +2

Recent research on Chain-of-Thought (CoT) reasoning in Large Language Models (LLMs) has demonstrated that agents can engage in \textit{complex}, \textit{multi-turn} negotiations, o…

cs.AI2025

SynDelay: A Synthetic Dataset for Delivery Delay Prediction

Liming Xu, Yunbo Long, Alexandra Brintrup

Artificial intelligence (AI) is transforming supply chain management, yet progress in predictive tasks -- such as delivery delay prediction -- remains constrained by the scarcity o…

cs.LG2025

PA-CFL: Privacy-Adaptive Clustered Federated Learning for Transformer-Based Sales Forecasting on Heterogeneous Retail Data

Yunbo Long, Liming Xu, Ge Zheng +1

Federated learning (FL) enables retailers to share model parameters for demand forecasting while maintaining privacy. However, heterogeneous data across diverse regions, driven by…

cs.LG2025

Efficient and Privacy-Preserved Link Prediction via Condensed Graphs

Yunbo Long, Liming Xu, Alexandra Brintrup

Link prediction is crucial for uncovering hidden connections within complex networks, enabling applications such as identifying potential customers and products. However, this rese…

cs.CE2025

An Analytics-Driven Approach to Enhancing Supply Chain Visibility with Graph Neural Networks and Federated Learning

Ge Zheng, Alexandra Brintrup

In today's globalised trade, supply chains form complex networks spanning multiple organisations and even countries, making them highly vulnerable to disruptions. These vulnerabili…

cs.CL2025

EmoDebt: Bayesian-Optimized Emotional Intelligence for Strategic Agent-to-Agent Debt Recovery

Yunbo Long, Yuhan Liu, Liming Xu +1

The emergence of autonomous Large Language Model (LLM) agents has created a new ecosystem of strategic, agent-to-agent interactions. However, a critical challenge remains unaddress…

cs.LG2025★ 1 cited

TuneNSearch: a hybrid transfer learning and local search approach for solving vehicle routing problems

Arthur Corrêa, Cristóvão Silva, Liming Xu +2

This paper introduces TuneNSearch, a hybrid transfer learning and local search approach for addressing diverse variants of the vehicle routing problem (VRP). Our method uses reinfo…

cs.LG2025

LLM-TabLogic: Preserving Inter-Column Logical Relationships in Synthetic Tabular Data via Prompt-Guided Latent Diffusion

Yunbo Long, Liming Xu, Alexandra Brintrup

Synthetic tabular data are increasingly being used to replace real data, serving as an effective solution that simultaneously protects privacy and addresses data scarcity. However,…

cs.LG2025

Evaluating Inter-Column Logical Relationships in Synthetic Tabular Data Generation

Yunbo Long, Liming Xu, Alexandra Brintrup

Current evaluations of synthetic tabular data mainly focus on how well joint distributions are modeled, often overlooking the assessment of their effectiveness in preserving realis…

cs.CE2024★ 1 cited

Enhancing Supply Chain Visibility with Generative AI: An Exploratory Case Study on Relationship Prediction in Knowledge Graphs

Ge Zheng, Alexandra Brintrup

A key stumbling block in effective supply chain risk management for companies and policymakers is a lack of visibility on interdependent supply network relationships. Relationship…

cs.IR2024★ 5 cited

Enhancing Supply Chain Visibility with Knowledge Graphs and Large Language Models

Sara AlMahri, Liming Xu, Alexandra Brintrup

In today's globalized economy, comprehensive supply chain visibility is crucial for effective risk management. Achieving visibility remains a significant challenge due to limited i…

cs.AI2024★ 2 cited

Towards Autonomous Supply Chains: Definition, Characteristics, Conceptual Framework, and Autonomy Levels

Liming Xu, Stephen Mak, Yaniv Proselkov +1

Recent global disruptions, such as the pandemic and geopolitical conflicts, have profoundly exposed vulnerabilities in traditional supply chains, requiring exploration of more resi…

cs.LG2023★ 23 cited

Fair collaborative vehicle routing: A deep multi-agent reinforcement learning approach

Stephen Mak, Liming Xu, Tim Pearce +2

Collaborative vehicle routing occurs when carriers collaborate through sharing their transportation requests and performing transportation requests on behalf of each other. This ac…

cs.LG2023

Coalitional Bargaining via Reinforcement Learning: An Application to Collaborative Vehicle Routing

Stephen Mak, Liming Xu, Tim Pearce +2

Collaborative Vehicle Routing is where delivery companies cooperate by sharing their delivery information and performing delivery requests on behalf of each other. This achieves ec…

cs.MA2023★ 5 cited

On Implementing Autonomous Supply Chains: a Multi-Agent System Approach

Liming Xu, Stephen Mak, Maria Minaricova +1

Trade restrictions, the COVID-19 pandemic, and geopolitical conflicts have significantly exposed vulnerabilities within traditional global supply chains. These events underscore th…