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Kostas Ramantas

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#graph neural networks Open access Oct 2026

KG-Orchestrator Graph Neural Network-Driven Resource Orchestration for 6G Distributed Networks

The highly distributed infrastructure and the hetero geneous services and dynamic workloads of future 6G networks impose severe requirements on resource orchestration. We in troduce KG-Orchestrator, a unified framework which combines a Neo4j knowledge graph and a multi-GNN ensemble (Graph SAGE, HashGNN, GAT, GCN) to pe...

Debashish ROY, Alaa AlZailaa, Kostas Ramantas et al. · 0 citations
#graph neural networks Open access Oct 2026

KG-Orchestrator Graph Neural Network-Driven Resource Orchestration for 6G Distributed Networks

The highly distributed infrastructure and the hetero geneous services and dynamic workloads of future 6G networks impose severe requirements on resource orchestration. We in troduce KG-Orchestrator, a unified framework which combines a Neo4j knowledge graph and a multi-GNN ensemble (Graph SAGE, HashGNN, GAT, GCN) to pe...

Debashish ROY, Alaa AlZailaa, Kostas Ramantas et al. · 0 citations
#reinforcement learning Open access Oct 2026

Coordinated Offloading Cooperative Multi-Agent Reinforcement Learning for the Edge–Cloud Continuum

The increasing demand for intelligent, low-latency services in edge–cloud continuum systems poses new challenges for dynamic and efficient task offloading. We propose a Multi Agent Reinforcement Learning (MARL) framework for dis tributed task offloading under partial observability, where each device offloads only a por...

Muhammad Rafid, Golshan Famitafreshi, V. Avgerinos et al. · 0 citations
#reinforcement learning Open access Oct 2026

Coordinated Offloading Cooperative Multi-Agent Reinforcement Learning for the Edge–Cloud Continuum

The increasing demand for intelligent, low-latency services in edge–cloud continuum systems poses new challenges for dynamic and efficient task offloading. We propose a Multi Agent Reinforcement Learning (MARL) framework for dis tributed task offloading under partial observability, where each device offloads only a por...

Muhammad Rafid, Golshan Famitafreshi, V. Avgerinos et al. · 0 citations
#edge computing Open access Sep 2026

Personalized Privacy-Aware MARL Offloading in the Edge-Cloud Continuum

Task offloading in End–Edge–Cloud computing enables resource-constrained User Devices (UDs) to execute computation-intensive applications with reduced latency and energy consumption. However, existing task offloading schemes generally overlook the heterogeneous privacy requirements of users, leading to inefficient priv...

Muhammad Rafid, Golshan Famitafreshi, Kostas Ramantas et al. · 0 citations
#edge computing Open access Sep 2026

Personalized Privacy-Aware MARL Offloading in the Edge-Cloud Continuum

Task offloading in End–Edge–Cloud computing enables resource-constrained User Devices (UDs) to execute computation-intensive applications with reduced latency and energy consumption. However, existing task offloading schemes generally overlook the heterogeneous privacy requirements of users, leading to inefficient priv...

Muhammad Rafid, Golshan Famitafreshi, Kostas Ramantas et al. · 0 citations
#federated learning Open access Sep 2026

Capability-Aware Distributed Learning and Inference for Heterogeneous 6G Edge Environments

The rapid evolution of sixth-generation (6G) wireless networks is increasing the demand for AI-enabled edge intel ligence that can operate across devices with different capabil ities, resource constraints, and availability. Existing distributed learning paradigms, including Federated Learning (FL) and Split Learning (S...

SrushtiSurpur, Panagiotis Marantis, Kostas Ramantas et al. · 0 citations
#federated learning Open access Sep 2026

Capability-Aware Distributed Learning and Inference for Heterogeneous 6G Edge Environments

The rapid evolution of sixth-generation (6G) wireless networks is increasing the demand for AI-enabled edge intel ligence that can operate across devices with different capabil ities, resource constraints, and availability. Existing distributed learning paradigms, including Federated Learning (FL) and Split Learning (S...

SrushtiSurpur, Panagiotis Marantis, Kostas Ramantas et al. · 0 citations
#reinforcement learning Open access Sep 2026

An Offline approach for training Reinforcement-Learning Models for the 6G Cloud Edge Continuum

We demonstrate a system that replaces the default Kubernetes scheduler with an inference and topology-aware Reinforcement Learning policy. The system time-slices each GPU, consumes live Prometheus telemetry and places inference workloads across Far-Edge, Edge and Cloud tiers using an action masked agent (MaskablePPO, M...

Ioannis Kyriakopoulos, Kostas Ramantas, Christos V. Verikoukis · 0 citations

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