Christos N. Karras

According to our database, Christos N. Karras authored at least 43 papers between 2022 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Efficient Algorithms for Range Mode Queries in the Big Data Era.

Christos N. Karras, Leonidas Theodorakopoulos, Aristeidis Karras, George A. Krimpas

Inf., August, 2024

TinyML Algorithms for Big Data Management in Large-Scale IoT Systems.

Aristeidis Karras, Anastasios Giannaros, Christos N. Karras, Leonidas Theodorakopoulos, Constantinos S. Mammassis, George A. Krimpas, Spyros Sioutas

Future Internet, February, 2024

Distributed Bayesian Inference for Large-Scale IoT Systems.

Eleni Vlachou, Aristeidis Karras, Christos N. Karras, Leonidas Theodorakopoulos, Constantinos Halkiopoulos, Spyros Sioutas

Big Data Cogn. Comput., January, 2024

Advanced Optimization Techniques for Federated Learning on Non-IID Data.

Filippos Efthymiadis, Aristeidis Karras, Christos N. Karras, Spyros Sioutas

Future Internet, 2024

Cyber Threat Intelligence in Smart Cities: Bayesian Inference and Energy Optimization in LoRa Networks for Big Data Applications.

Aristeidis N. Karras, Leonidas Theodorakopoulos, Christos N. Karras, Hera Antonopoulou

Proceedings of the IEEE International Conference on Big Data, 2024

2023

WiCHORD+: A Scalable, Sustainable, and P2P Chord-Based Ecosystem for Smart Agriculture Applications.

Christos-Panagiotis Balatsouras, Aristeidis Karras, Christos N. Karras, Ioannis Karydis, Spyros Sioutas

Sensors, December, 2023

Autonomous Vehicles: Sophisticated Attacks, Safety Issues, Challenges, Open Topics, Blockchain, and Future Directions.

Anastasios Giannaros, Aristeidis Karras, Leonidas Theodorakopoulos, Christos N. Karras, Panagiotis Kranias, Nikolaos Schizas, Gerasimos Kalogeratos, Dimitrios Tsolis

J. Cybersecur. Priv., August, 2023

AutoML with Bayesian Optimizations for Big Data Management.

Aristeidis Karras, Christos N. Karras, Nikolaos Schizas, Markos Avlonitis, Spyros Sioutas

Inf., April, 2023

Modelling and Analysis of Neuro Fuzzy Employee Ranking System in the Public Sector.

Konstantinos C. Giotopoulos, Dimitrios Michalopoulos, Aristeidis Karras, Christos N. Karras, Spyros Sioutas

Algorithms, March, 2023

EVCA Classifier: A MCMC-Based Classifier for Analyzing High-Dimensional Big Data.

Eleni Vlachou, Christos N. Karras, Aristeidis Karras, Dimitrios Tsolis, Spyros Sioutas

Inf., 2023

An Integrated GIS-Based Reinforcement Learning Approach for Efficient Prediction of Disease Transmission in Aquaculture.

Aristeidis Karras, Christos N. Karras, Spyros Sioutas, Christos Makris, George Katselis, Ioannis Hatzilygeroudis, John A. Theodorou, Dimitrios Tsolis

Inf., 2023

Federated Edge Intelligence and Edge Caching Mechanisms.

Aristeidis Karras, Christos N. Karras, Konstantinos C. Giotopoulos, Dimitrios Tsolis, Konstantinos Oikonomou, Spyros Sioutas

Inf., 2023

Consensus Big Data Clustering for Bayesian Mixture Models.

Christos N. Karras, Aristeidis Karras, Konstantinos C. Giotopoulos, Markos Avlonitis, Spyros Sioutas

Algorithms, 2023

TinyML-based Event Detection: An Edge-Cloud Approach for Smart Agriculture over LoRa WSNs.

Aristeidis Karras, Christos N. Karras, Anastasios Giannaros, Konstantinos C. Giotopoulos, Dimitrios Tsolis, Konstantinos Oikonomou, Spyros Sioutas

Proceedings of the 8th South-East Europe Design Automation, 2023

Edge Artificial Intelligence in Large-Scale IoT Systems, Applications, and Big Data Infrastructures.

Aristeidis Karras, Anastasios Giannaros, Christos N. Karras, Konstantinos C. Giotopoulos, Dimitrios Tsolis, Spyros Sioutas

Proceedings of the 8th South-East Europe Design Automation, 2023

Algorithmic Aspects of Distributed Hash Tables on Cloud, Fog, and Edge Computing Applications: A Survey.

Aristeidis Karras, Christos N. Karras, Nikolaos Schizas, Spyros Sioutas, Christos D. Zaroliagis

Proceedings of the Algorithmic Aspects of Cloud Computing - 8th International Symposium, 2023

An Adaptive, Energy-Efficient DRL-Based and MCMC-Based Caching Strategy for IoT Systems.

Aristeidis Karras, Christos N. Karras, Ioannis Karydis, Markos Avlonitis, Spyros Sioutas

Proceedings of the Algorithmic Aspects of Cloud Computing - 8th International Symposium, 2023

Decentralized Algorithms for Efficient Energy Management over Cloud-Edge Infrastructures.

Aristeidis Karras, Christos N. Karras, Ioanna Giannoukou, Konstantinos C. Giotopoulos, Dimitrios Tsolis, Ioannis Karydis, Spyros Sioutas

Proceedings of the Algorithmic Aspects of Cloud Computing - 8th International Symposium, 2023

Mobility-Aware Workload Distribution and Task Allocation for Mobile Edge Computing Networks.

Aristeidis Karras, Christos N. Karras, Anastasios Giannaros, Dimitrios Tsolis, Spyros Sioutas

Proceedings of the 2023 International Conference on Advances in Computing Research, 2023

2022

TinyML for Ultra-Low Power AI and Large Scale IoT Deployments: A Systematic Review.

Nikolaos Schizas, Aristeidis Karras, Christos N. Karras, Spyros Sioutas

Future Internet, 2022

Integrating User and Item Reviews in Deep Cooperative Neural Networks for Movie Ranking Prediction.

Aristeidis Karras, Christos N. Karras

CoRR, 2022

DBSOP: An Efficient Heuristic for Speedy MCMC Sampling on Polytopes.

Christos N. Karras, Aristeidis Karras

CoRR, 2022

Pattern Recognition and Event Detection on IoT Data-streams.

Christos N. Karras, Aristeidis Karras, Spyros Sioutas

CoRR, 2022

Weighted Reservoir Sampling On Evolving Streams: A Sampling Algorithmic Framework For Stream Event Identification.

Christos N. Karras, Aristeidis Karras, Georgios Drakopoulos, Konstantinos Tsakalidis, Phivos Mylonas, Spyros Sioutas

Proceedings of the SETN 2022: 12th Hellenic Conference on Artificial Intelligence, Corfu, Greece, September 7, 2022

Decomposing Twitter Graphs Based On Hashtag Trajectories: Mining And Clustering Paths Over MongoDB.

Georgios Drakopoulos, Aristeidis Karras, Christos N. Karras, Konstantinos C. Giotopoulos, Phivos Mylonas, Spyros Sioutas

Proceedings of the SETN 2022: 12th Hellenic Conference on Artificial Intelligence, Corfu, Greece, September 7, 2022

An Intelligent Microprocessor Integrating TinyML in Smart Hotels for Rapid Accident Prevention.

Angelos Zacharia, Dimitris Zacharia, Aristeidis Karras, Christos N. Karras, Ioanna Giannoukou, Konstantinos C. Giotopoulos, Spyros Sioutas

Proceedings of the 7th South-East Europe Design Automation, 2022

Distributed Gibbs Sampling and LDA Modelling for Large Scale Big Data Management on PySpark.

Christos N. Karras, Aristeidis Karras, Dimitrios Tsolis, Konstantinos C. Giotopoulos, Spyros Sioutas

Proceedings of the 7th South-East Europe Design Automation, 2022

Peer to Peer Federated Learning: Towards Decentralized Machine Learning on Edge Devices.

Aristeidis Karras, Christos N. Karras, Konstantinos C. Giotopoulos, Dimitrios Tsolis, Konstantinos Oikonomou, Spyros Sioutas

Proceedings of the 7th South-East Europe Design Automation, 2022

Global Graph Clustering and Local Graph Exploration for Community Detection in Twitter.

Christos N. Karras, Aristeidis Karras, Ioanna Giannoukou, Konstantinos C. Giotopoulos, Dimitrios Tsolis, Spyros Sioutas

Proceedings of the 7th South-East Europe Design Automation, 2022

Tree Data Structures and Efficient Indexing Techniques for Big Data Management: A Comprehensive Study.

Dimitrios Samoladas, Christos N. Karras, Aristeidis Karras, Leonidas Theodorakopoulos, Spyros Sioutas

Proceedings of the 26th Pan-Hellenic Conference on Informatics, 2022

SparkReact: A Novel and User-friendly Graphical Interface for the Apache Spark MLlib Library.

Aristeidis Karras, Christos N. Karras, Agorakis Bompotas, Panagiotis Bouras, Leonidas Theodorakopoulos, Spyros Sioutas

Proceedings of the 26th Pan-Hellenic Conference on Informatics, 2022

A LoRa-Based Emotion Estimation Scheme for Smart Home Automated Actions Using ELMs.

Christos N. Karras, Aristeidis Karras, Georgios Drakopoulos, Dimitrios Tsolis, Phivos Mylonas, Spyros Sioutas

Proceedings of the IEEE International Smart Cities Conference, 2022

Query Optimization in NoSQL Databases Using an Enhanced Localized R-tree Index.

Aristeidis Karras, Christos N. Karras, Dimitrios Samoladas, Konstantinos C. Giotopoulos, Spyros Sioutas

Proceedings of the Information Integration and Web Intelligence, 2022

WiCHORD: A Chord Protocol Application on P2P LoRa Wireless Sensor Networks.

Christos-Panagiotis Balatsouras, Aristeidis Karras, Christos N. Karras, Dimitrios Tsolis, Spyros Sioutas

Proceedings of the 13th International Conference on Information, 2022

SAF: A Peer to Peer IoT LoRa System for Smart Supply Chain in Agriculture.

Aristeidis Karras, Christos N. Karras, Georgios Drakopoulos, Dimitrios Tsolis, Phivos Mylonas, Spyros Sioutas

Proceedings of the Artificial Intelligence Applications and Innovations, 2022

An Overview of MCMC Methods: From Theory to Applications.

Christos N. Karras, Aristeidis Karras, Markos Avlonitis, Spyros Sioutas

Proceedings of the Artificial Intelligence Applications and Innovations. AIAI 2022 IFIP WG 12.5 International Workshops, 2022

Maximum Likelihood Estimators on MCMC Sampling Algorithms for Decision Making.

Christos N. Karras, Aristeidis Karras, Markos Avlonitis, Ioanna Giannoukou, Spyros Sioutas

Proceedings of the Artificial Intelligence Applications and Innovations. AIAI 2022 IFIP WG 12.5 International Workshops, 2022

On Autonomous Drone Navigation Using Deep Learning and an Intelligent Rainbow DQN Agent.

Andreas Karatzas, Aristeidis Karras, Christos N. Karras, Konstantinos C. Giotopoulos, Konstantinos Oikonomou, Spyros Sioutas

Proceedings of the Intelligent Data Engineering and Automated Learning - IDEAL 2022, 2022

Expanding Queries with Maximum Likelihood Estimators and Language Models.

Christos N. Karras, Aristeidis Karras, Leonidas Theodorakopoulos, Ioanna Giannoukou, Spyros Sioutas

Proceedings of the ICR'22 International Conference on Innovations in Computing Research, 2022

Download Speed Optimization in P2P Networks Using Decision Making and Adaptive Learning.

Aristeidis Karras, Christos N. Karras, Konstantinos C. Giotopoulos, Ioanna Giannoukou, Dimitrios Tsolis, Spyros Sioutas

Proceedings of the ICR'22 International Conference on Innovations in Computing Research, 2022

Neuro-Fuzzy Employee Ranking System in the Public Sector.

Dimitrios Michalopoulos, Aristeidis Karras, Christos N. Karras, Spyros Sioutas, Konstantinos C. Giotopoulos

Proceedings of the Fuzzy Systems and Data Mining VIII, 2022

A Hybrid Ensemble Deep Learning Approach for Emotion Classification.

Christos N. Karras, Aristeidis Karras, Dimitrios Tsolis, Markos Avlonitis, Spyros Sioutas

Proceedings of the IEEE International Conference on Big Data, 2022

SQL Query Optimization in Distributed NoSQL Databases for Cloud-Based Applications.

Aristeidis Karras, Christos N. Karras, Antonios Pervanas, Spyros Sioutas, Christos D. Zaroliagis

Proceedings of the Algorithmic Aspects of Cloud Computing - 7th International Symposium, 2022