6 papers
An Organization-Scoped LLM Agent Runtime Architecture for Regulated Cybersecurity Operations
George Fatouros, Georgios Makridis, George Kousiouris +2
Regulated cybersecurity workflows lack a runtime substrate that enforces organization-level scope across retrieval, tool calls, memory, findings, reports, and audit while remaining…
CyberAId: AI-Driven Cybersecurity for Financial Service Providers
George Fatouros, Georgios Makridis, John Soldatos +18
European financial institutions face mounting regulatory pressure while their security operations centres remain constrained not by data or staffing but by reasoning capacity: ente…
Signal or Noise in Multi-Agent LLM-based Stock Recommendations?
George Fatouros, Kostas Metaxas
We present the first portfolio-level validation of MarketSenseAI, a deployed multi-agent LLM equity system. All signals are generated live at each observation date, eliminating loo…
MarketSenseAI 2.0: Enhancing Stock Analysis through LLM Agents
George Fatouros, Kostas Metaxas, John Soldatos +1
MarketSenseAI is a novel framework for holistic stock analysis which leverages Large Language Models (LLMs) to process financial news, historical prices, company fundamentals and t…
Towards Conversational AI for Human-Machine Collaborative MLOps
George Fatouros, Georgios Makridis, George Kousiouris +3
This paper presents a Large Language Model (LLM) based conversational agent system designed to enhance human-machine collaboration in Machine Learning Operations (MLOps). We introd…
Bridging Industrial Expertise and XR with LLM-Powered Conversational Agents
Despina Tomkou, George Fatouros, Andreas Andreou +6
This paper introduces a novel integration of Retrieval-Augmented Generation (RAG) enhanced Large Language Models (LLMs) with Extended Reality (XR) technologies to address knowledge…