Leonidas Theodorakopoulos

23 papers B 3Journal 13Unranked 7
YearRankTypeTitle / Venue / Authors
2026 J jnl
Big Data Analytics and AI for Consumer Behavior in Digital Marketing: Applications, Synthetic and Dark Data, and Future Directions.
Big Data Cogn. Comput.
Leonidas Theodorakopoulos, Alexandra Theodoropoulou, Christos Klavdianos
2026 J jnl
Towards LLM-Driven Cybersecurity in Autonomous Vehicles: A Big Data-Empowered Framework with Emerging Technologies.
Mach. Learn. Knowl. Extr.
Aristeidis Karras, Leonidas Theodorakopoulos, Christos N. Karras, Alexandra Theodoropoulou
2025 J jnl
Big data in financial risk management: evidence, advances, and open questions: a systematic review.
Frontiers Artif. Intell.
Leonidas Theodorakopoulos, Alexandra Theodoropoulou, Aristeidis Bakalis
2025 B conf
Extractive Document Summarization with Graph Neural Networks and Topic Modeling in PyTorch.
IEEE Big Data
Ermis Arvanitis, Georgios Drakopoulos, Leonidas Theodorakopoulos, Spyros Sioutas, Phivos Mylonas
2025 B conf
Functional Programming Meets Pinecone: Recommending Graph Structured Documents.
IEEE Big Data
Georgios Drakopoulos, Leonidas Theodorakopoulos, Spyros Sioutas, Phivos Mylonas
2025 J jnl
Interactive Viral Marketing Through Big Data Analytics, Influencer Networks, AI Integration, and Ethical Dimensions.
J. Theor. Appl. Electron. Commer. Res.
Leonidas Theodorakopoulos, Alexandra Theodoropoulou, Christos Klavdianos
2025 J jnl
LLM-Driven Big Data Management Across Digital Governance, Marketing, and Accounting: A Spark-Orchestrated Framework.
Algorithms
Aristeidis Karras, Leonidas Theodorakopoulos, Christos N. Karras, George A. Krimpas, Anastasios Giannaros, Charalampos-Panagiotis Bakalis
2025 J jnl
LLMs for Cybersecurity in the Big Data Era: A Comprehensive Review of Applications, Challenges, and Future Directions.
Inf.
Aristeidis Karras, Leonidas Theodorakopoulos, Christos N. Karras, Alexandra Theodoropoulou, Ioanna Kalliampakou, Gerasimos Kalogeratos
2025 — conf
Lessons Learned from Setting Up Kubernetes for Operations on Temporal Graph Neural Networks.
SEEDA-CECNSM
Fotis Sofoulis, Georgios Drakopoulos, Leonidas Theodorakopoulos, Spyros Sioutas
2025 J jnl
MCMC Methods: From Theory to Distributed Hamiltonian Monte Carlo over PySpark.
Algorithms
Christos N. Karras, Leonidas Theodorakopoulos, Aristeidis Karras, George A. Krimpas, Charalampos-Panagiotis Bakalis, Alexandra Theodoropoulou
2025 J jnl
NeuralACT: Accounting Analytics Using Neural Network for Real-Time Decision Making From Big Data.
IEEE Access
Leonidas Theodorakopoulos, Alexandra Theodoropoulou, Georgios Kampiotis, Ioanna Kalliampakou
2025 J jnl
Optimizing Apache Spark MLlib: Predictive Performance of Large-Scale Models for Big Data Analytics.
Algorithms
Leonidas Theodorakopoulos, Aristeidis Karras, George A. Krimpas
2024 B conf
Cyber Threat Intelligence in Smart Cities: Bayesian Inference and Energy Optimization in LoRa Networks for Big Data Applications.
IEEE Big Data
Aristeidis Karras, Leonidas Theodorakopoulos, Christos N. Karras, Hera Antonopoulou
2024 J jnl
Distributed Bayesian Inference for Large-Scale IoT Systems.
Big Data Cogn. Comput.
Eleni Vlachou, Aristeidis Karras, Christos N. Karras, Leonidas Theodorakopoulos, Constantinos Halkiopoulos, Spyros Sioutas
2024 J jnl
Efficient Algorithms for Range Mode Queries in the Big Data Era.
Inf.
Christos N. Karras, Leonidas Theodorakopoulos, Aristeidis Karras, George A. Krimpas
2024 J jnl
TinyML Algorithms for Big Data Management in Large-Scale IoT Systems.
Future Internet
Aristeidis Karras, Anastasios Giannaros, Christos N. Karras, Leonidas Theodorakopoulos, Constantinos S. Mammassis, George A. Krimpas, Spyros Sioutas
2023 J jnl
Autonomous Vehicles: Sophisticated Attacks, Safety Issues, Challenges, Open Topics, Blockchain, and Future Directions.
J. Cybersecur. Priv.
Anastasios Giannaros, Aristeidis Karras, Leonidas Theodorakopoulos, Christos N. Karras, Panagiotis Kranias, Nikolaos Schizas, Gerasimos Kalogeratos, Dimitrios Tsolis
2023 — conf
Faculty members' Perceptions of Remote Electronic Examinations in Distance Academic Education.
IISA
George Vorvilas, Alexandros Liapis, Nikos Karousos, Leonidas Theodorakopoulos, Eirini Lagiou, Achilles Kameas
2022 — conf
Expanding Queries with Maximum Likelihood Estimators and Language Models.
ICR
Christos N. Karras, Aristeidis Karras, Leonidas Theodorakopoulos, Ioanna Giannoukou, Spyros Sioutas
2022 — conf
SparkReact: A Novel and User-friendly Graphical Interface for the Apache Spark MLlib Library.
PCI
Aristeidis Karras, Christos N. Karras, Agorakis Bompotas, Panagiotis Bouras, Leonidas Theodorakopoulos, Spyros Sioutas
2022 — conf
Tree Data Structures and Efficient Indexing Techniques for Big Data Management: A Comprehensive Study.
PCI
Dimitrios Samoladas, Christos N. Karras, Aristeidis Karras, Leonidas Theodorakopoulos, Spyros Sioutas
2018 — conf
An Apache Spark implementation for graph-based hashtag sentiment classification on Twitter.
PCI
Elias Dritsas, Ioannis E. Livieris, Konstantinos C. Giotopoulos, Leonidas Theodorakopoulos
2018 — conf
Cheap and efficient solar energy: software and electronics.
PCI
Nikitas N. Karanikolas, Antonios Liaramantzas, Leonidas Theodorakopoulos