Pavlos S. Efraimidis

94 papers A* 1A 2B 4C 2Misc 2Journal 52Unranked 28

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A study of membership inference attacks on a federated health care application. Computing Christos Chrysanthos Nikolaidis, Pavlos S. Efraimidis
2025	J	`jnl`	Advancing elderly social care dropout prediction with federated learning: client selection and imbalanced data management. Clust. Comput. Christos Chrysanthos Nikolaidis, Pavlos S. Efraimidis
2025	C	`conf`	Bloom Filter Variations for Enhanced Log Search in Ethereum. ICBC George Drakoulis, Andreas Sendros, Periklis Kostamis, Pavlos S. Efraimidis
2025	J	`jnl`	Evaluating the Defense Potential of Machine Unlearning against Membership Inference Attacks. CoRR Aristeidis Sidiropoulos, Christos Chrysanthos Nikolaidis, Theodoros Tsiolakis, Nikolaos Pavlidis, Vasilis Perifanis, Pavlos S. Efraimidis
2025	J	`jnl`	Evaluation of Bio-Inspired Models under Different Learning Settings for Energy Efficiency in Network Traffic Prediction. Int. J. Neural Syst. Theodoros Tsiolakis, Nikolaos Pavlidis, Vasileios Perifanis, Pavlos S. Efraimidis
2025	J	`jnl`	Federated Learning for privacy-Friendly Health Apps: A Case Study on Ovulation Tracking. J. Sens. Actuator Networks Nikolaos Pavlidis, Andreas Sendros, Theodoros Tsiolakis, Periklis Kostamis, Christos Karasoulas, Eleni Briola, Christos Chrysanthos Nikolaidis, Vasileios Perifanis, George Drosatos, Eleftheria Katsiri, Despina Elisavet Filippidou, Anastasios Manos, Pavlos S. Efraimidis
2025	J	`jnl`	Federated Learning in Mobile Networks: A Comprehensive Case Study on Traffic Forecasting. IEEE Trans. Sustain. Comput. Nikolaos Pavlidis, Vasileios Perifanis, Selim F. Yilmaz, Francesc Wilhelmi, Marco Miozzo, Pavlos S. Efraimidis, Remous-Aris Koutsiamanis, Pavol Mulinka, Paolo Dini
2025	J	`jnl`	Large Language Models as Universal Predictors? An Empirical Study on Small Tabular Datasets. CoRR Nikolaos Pavlidis, Vasileios Perifanis, Symeon Symeonidis, Pavlos S. Efraimidis
2024	—	`conf`	A Federated Explainable AI Model for Breast Cancer Classification. EICC Eleni Briola, Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Nikolaos Pavlidis, Pavlos S. Efraimidis
2024	—	`conf`	Carbon-Aware Machine Learning: A Case Study on Cellular Traffic Forecasting with Spiking Neural Networks. AIAI (3) Theodoros Tsiolakis, Nikolaos Pavlidis, Vasileios Perifanis, Pavlos S. Efraimidis
2024	J	`jnl`	Data management in Ethereum DApps: A cost and performance analysis. Future Gener. Comput. Syst. Periklis Kostamis, Andreas Sendros, Pavlos S. Efraimidis
2024	J	`jnl`	Evaluation of Bio-Inspired Models under Different Learning Settings For Energy Efficiency in Network Traffic Prediction. CoRR Theodoros Tsiolakis, Nikolaos Pavlidis, Vasileios Perifanis, Pavlos S. Efraimidis
2024	J	`jnl`	Federated Anomaly Detection for Early-Stage Diagnosis of Autism Spectrum Disorders using Serious Game Data. CoRR Nikolaos Pavlidis, Vasileios Perifanis, Eleni Briola, Christos Chrysanthos Nikolaidis, Eleftheria Katsiri, Pavlos S. Efraimidis, Despina Elizabeth Filippidou
2024	J	`jnl`	Federated Learning in Mobile Networks: A Comprehensive Case Study on Traffic Forecasting. CoRR Nikolaos Pavlidis, Vasileios Perifanis, Selim F. Yilmaz, Francesc Wilhelmi, Marco Miozzo, Pavlos S. Efraimidis, Remous-Aris Koutsiamanis, Pavol Mulinka, Paolo Dini
2024	—	`conf`	SFTC: Machine Unlearning via Selective Fine-tuning and Targeted Confusion. EICC Vasileios Perifanis, Efstathios Karypidis, Nikos Komodakis, Pavlos S. Efraimidis
2023	—	`conf`	An Extensive Overview of Feature Representation Techniques for Molecule Classification. PCI Nikolaos Pavlidis, Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Anastasia Papadopoulou, Pavlos S. Efraimidis, Avi Arampatzis
2023	J	`jnl`	FedPOIRec: Privacy-preserving federated poi recommendation with social influence. Inf. Sci. Vasileios Perifanis, George Drosatos, Giorgos Stamatelatos, Pavlos S. Efraimidis
2023	—	`conf`	Federated Learning for Early Dropout Prediction on Healthy Ageing Applications. FMEC Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Nikolaos Pavlidis, Pavlos S. Efraimidis
2023	J	`jnl`	Federated Learning for Early Dropout Prediction on Healthy Ageing Applications. CoRR Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Nikolaos Pavlidis, Pavlos S. Efraimidis
2023	J	`jnl`	Federated learning for 5G base station traffic forecasting. Comput. Networks Vasileios Perifanis, Nikolaos Pavlidis, Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
2023	J	`jnl`	Intelligent Client Selection for Federated Learning using Cellular Automata. CoRR Nikolaos Pavlidis, Vasileios Perifanis, Theodoros Panagiotis Chatzinikolaou, Georgios Ch. Sirakoulis, Pavlos S. Efraimidis
2023	J	`jnl`	Predicting Early Dropouts of an Active and Healthy Ageing App. CoRR Vasileios Perifanis, Ioanna Michailidi, Giorgos Stamatelatos, George Drosatos, Pavlos S. Efraimidis
2023	—	`conf`	Towards Energy-Aware Federated Traffic Prediction for Cellular Networks. FMEC Vasileios Perifanis, Nikolaos Pavlidis, Selim F. Yilmaz, Francesc Wilhelmi, Elia Guerra, Marco Miozzo, Pavlos S. Efraimidis, Paolo Dini, Remous-Aris Koutsiamanis
2023	J	`jnl`	Towards Energy-Aware Federated Traffic Prediction for Cellular Networks. CoRR Vasileios Perifanis, Nikolaos Pavlidis, Selim F. Yilmaz, Francesc Wilhelmi, Elia Guerra, Marco Miozzo, Pavlos S. Efraimidis, Paolo Dini, Remous-Aris Koutsiamanis
2022	J	`jnl`	Federated Learning for 5G Base Station Traffic Forecasting. CoRR Vasileios Perifanis, Nikolaos Pavlidis, Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
2022	J	`jnl`	Federated Neural Collaborative Filtering. Knowl. Based Syst. Vasileios Perifanis, Pavlos S. Efraimidis
2021	J	`jnl`	About Weighted Random Sampling in Preferential Attachment Models. CoRR Giorgos Stamatelatos, Pavlos S. Efraimidis
2021	—	`conf`	Exploring Ethereum's Data Stores: A Cost and Performance Comparison. BRAINS Periklis Kostamis, Andreas Sendros, Pavlos S. Efraimidis
2021	J	`jnl`	Exploring Ethereum's Data Stores: A Cost and Performance Comparison. CoRR Periklis Kostamis, Andreas Sendros, Pavlos S. Efraimidis
2021	J	`jnl`	FedPOIRec: Privacy Preserving Federated POI Recommendation with Social Influence. CoRR Vasileios Perifanis, George Drosatos, Giorgos Stamatelatos, Pavlos S. Efraimidis
2021	J	`jnl`	Federated Neural Collaborative Filtering. CoRR Vasileios Perifanis, Pavlos S. Efraimidis
2021	J	`jnl`	Lexicographic Enumeration of Set Partitions. CoRR Giorgos Stamatelatos, Pavlos S. Efraimidis
2021	J	`jnl`	Point-of-interest lists and their potential in recommendation systems. J. Inf. Technol. Tour. Giorgos Stamatelatos, George Drosatos, Sotirios Gyftopoulos, Helen Briola, Pavlos S. Efraimidis
2021	J	`jnl`	Whole Sampling Generation of Scale-Free Graphs. CoRR Giorgos Stamatelatos, Pavlos S. Efraimidis
2020	J	`jnl`	A Twitter-based approach of news media impartiality in multipartite political scenes. Soc. Netw. Anal. Min. Sotirios Gyftopoulos, George Drosatos, Giorgos Stamatelatos, Pavlos S. Efraimidis
2020	J	`jnl`	Revealing the political affinity of online entities through their Twitter followers. Inf. Process. Manag. Giorgos Stamatelatos, Sotirios Gyftopoulos, George Drosatos, Pavlos S. Efraimidis
2019	—	`conf`	How much does a zero-permission Android app know about us? CECC Antonios Dimitriadis, George Drosatos, Pavlos S. Efraimidis
2018	—	`conf`	Communicating Personalized Risk Factors for Lifestyle Coaching. HEALTHINF George Drosatos, Kyriakos Bakirlis, Pavlos S. Efraimidis, Eleni Kaldoudi
2018	—	`conf`	Deriving the Political Affinity of Twitter Users from Their Followers. ISPA/IUCC/BDCloud/SocialCom/SustainCom Giorgos Stamatelatos, Sotirios Gyftopoulos, George Drosatos, Pavlos S. Efraimidis
2018	J	`jnl`	Formal analysis of DeGroot Influence Problems using probabilistic model checking. Simul. Model. Pract. Theory Sotirios Gyftopoulos, Pavlos S. Efraimidis, Panagiotis Katsaros
2018	—	`conf`	Privacy leakages about political beliefs through analysis of Twitter followers. PCI Helen Briola, George Drosatos, Giorgos Stamatelatos, Sotirios Gyftopoulos, Pavlos S. Efraimidis
2017	J	`jnl`	Implementing PacketEconomy: Distributed money-based QoS in OMNET++. Int. J. Commun. Syst. Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
2017	J	`jnl`	Privacy-Enhanced Television Audience Measurements. ACM Trans. Internet Techn. George Drosatos, Aimilia Tasidou, Pavlos S. Efraimidis
2016	J	`jnl`	A Privacy-by-Design Contextual Suggestion System for Tourism. J. Sens. Actuator Networks Pavlos S. Efraimidis, George Drosatos, Avi Arampatzis, Giorgos Stamatelatos, Ioannis N. Athanasiadis
2016	—	`conf`	Malevolent app pairs: an Android permission overpassing scheme. Conf. Computing Frontiers Antonios Dimitriadis, Pavlos S. Efraimidis, Vasilios Katos
2016	J	`jnl`	Privacy-preserving, user-centric VoIP CAPTCHA challenges: An integrated solution in the SIP environment. Inf. Comput. Secur. Aimilia Tasidou, Pavlos S. Efraimidis, Yannis Soupionis, Lilian Mitrou, Vasilios Katos
2016	—	`conf`	Solving Influence Problems on the DeGroot Model with a Probabilistic Model Checking Tool. PCI Sotirios Gyftopoulos, Pavlos S. Efraimidis, Panagiotis Katsaros
2016	—	`conf`	Towards Privacy by Design in Personal e-Health Systems. HEALTHINF George Drosatos, Pavlos S. Efraimidis, Garrath Williams, Eleni Kaldoudi
2016	—	`ch.`	Weighted Random Sampling. Encyclopedia of Algorithms Pavlos S. Efraimidis, Paul (Pavlos) Spirakis
2015	J	`jnl`	A novel mechanism for anonymizing Global System for Mobile Communications calls using a resource-based Session Initiation Protocol community network. Secur. Commun. Networks Ioannis Psaroudakis, Vasilios Katos, Pavlos S. Efraimidis
2015	—	`conf`	Interoperable Multimedia Annotation and Retrieval for the Tourism Sector. MTSR Antonios Chatzitoulousis, Pavlos S. Efraimidis, Ioannis N. Athanasiadis
2015	B	`conf`	Pythia: A Privacy-Enhanced Personalized Contextual Suggestion System for Tourism. COMPSAC George Drosatos, Pavlos S. Efraimidis, Avi Arampatzis, Giorgos Stamatelatos, Ioannis N. Athanasiadis
2015	J	`jnl`	Reengineering the user: privacy concerns about personal data on smartphones. Inf. Comput. Secur. Matina Tsavli, Pavlos S. Efraimidis, Vasilios Katos, Lilian Mitrou
2015	—	`conf`	Social network analysis of public lists of POIs. Panhellenic Conference on Informatics Ioannis Karagiannis, Avi Arampatzis, Pavlos S. Efraimidis, Giorgos Stamatelatos
2015	J	`jnl`	Versatile Query Scrambling for Private Web Search. Inf. Retr. J. Avi Arampatzis, George Drosatos, Pavlos S. Efraimidis
2015	—	`conf`	Weighted Random Sampling over Data Streams. Algorithms, Probability, Networks, and Games Pavlos S. Efraimidis
2014	J	`jnl`	A game-theoretic analysis of preventing spam over Internet Telephony via audio CAPTCHA-based authentication. J. Comput. Secur. Yannis Soupionis, Remous-Aris Koutsiamanis, Pavlos S. Efraimidis, Dimitris Gritzalis
2014	J	`jnl`	An efficient privacy-preserving solution for finding the nearest doctor. Pers. Ubiquitous Comput. George Drosatos, Pavlos S. Efraimidis
2014	J	`jnl`	Privacy-preserving computation of participatory noise maps in the cloud. J. Syst. Softw. George Drosatos, Pavlos S. Efraimidis, Ioannis N. Athanasiadis, Matthias Stevens, Ellie D'Hondt
2014	—	`conf`	Reengineering the user: Privacy concerns about personal data on smartphones. HAISA Matina Tsavli, Pavlos S. Efraimidis, Vasilios Katos
2014	J	`jnl`	User-centric privacy-preserving statistical analysis of ubiquitous health monitoring data. Comput. Sci. Inf. Syst. George Drosatos, Pavlos S. Efraimidis
2014	—	`conf`	myVisitPlanner SETN Ioannis Refanidis, Christos Emmanouilidis, Ilias Sakellariou, Anastasios Alexiadis, Remous-Aris Koutsiamanis, Konstantinos Agnantis, Aimilia Tasidou, Fotis Kokkoras, Pavlos S. Efraimidis
2013	A	`conf`	A Versatile Tool for Privacy-Enhanced Web Search. ECIR Avi Arampatzis, George Drosatos, Pavlos S. Efraimidis
2013	J	`jnl`	A query scrambler for search privacy on the internet. Inf. Retr. Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos
2013	—	`conf`	DUTH at TREC 2013 Contextual Suggestion Track. TREC George Drosatos, Giorgos Stamatelatos, Avi Arampatzis, Pavlos S. Efraimidis
2013	C	`conf`	Money-Based Coordination of Network Packets. CIAC Pavlos S. Efraimidis, Remous-Aris Koutsiamanis
2012	Misc	`conf`	A Framework for Anonymizing GSM Calls over a Smartphone VoIP Network. SEC Ioannis Psaroudakis, Vasilios Katos, Pavlos S. Efraimidis
2012	B	`conf`	A Privacy-Preserving Cloud Computing System for Creating Participatory Noise Maps. COMPSAC George Drosatos, Pavlos S. Efraimidis, Ioannis N. Athanasiadis, Ellie D'Hondt, Matthias Stevens
2012	J	`jnl`	On Money as a Means of Coordination between Network Packets CoRR Pavlos S. Efraimidis, Remous-Aris Koutsiamanis
2012	Misc	`conf`	Privacy-Preserving Television Audience Measurement Using Smart TVs. SEC George Drosatos, Aimilia Tasidou, Pavlos S. Efraimidis
2012	—	`conf`	User-centric, Privacy-Preserving Adaptation for VoIP CAPTCHA Challenges. HAISA Aimilia Tasidou, Pavlos S. Efraimidis, Yannis Soupionis, Lilian Mitrou, Vasilios Katos
2011	—	`conf`	An Exact and O(1) Time Heaviest and Lightest Hitters Algorithm for Sliding-Window Data Streams. MUE Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
2011	J	`jnl`	An exact and O(1) time heaviest and lightest hitters algorithm for sliding-window data streams CoRR Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
2011	A	`conf`	Enhancing Deniability against Query-Logs. ECIR Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos
2011	B	`conf`	Privacy-Preserving Statistical Analysis on Ubiquitous Health Data. TrustBus George Drosatos, Pavlos S. Efraimidis
2011	—	`conf`	Privacy-enhanced management of ubiquitous health monitoring data. PETRA George Drosatos, Pavlos S. Efraimidis
2011	—	`conf`	Using Personal Portfolios to Manage Customer Data. DPM/SETOP Aimilia Tasidou, Pavlos S. Efraimidis
2010	J	`jnl`	(\alpha, \beta) Fibonacci Search CoRR Pavlos S. Efraimidis
2010	—	`conf`	A privacy-preserving protocol for finding the nearest doctor in an emergency. PETRA George Drosatos, Pavlos S. Efraimidis
2010	J	`jnl`	Weighted Random Sampling over Data Streams CoRR Pavlos S. Efraimidis
2010	J	`jnl`	Window-games between TCP flows. Theor. Comput. Sci. Pavlos S. Efraimidis, Lazaros Tsavlidis, George B. Mertzios
2009	—	`conf`	Economics of Personal Data Management: Fair Personal Information Trades. e-Democracy Aimilia Tasidou, Pavlos S. Efraimidis, Vasilios Katos
2009	J	`jnl`	Towards privacy in personal data management. Inf. Manag. Comput. Secur. Pavlos S. Efraimidis, George Drosatos, Fotis Nalbadis, Aimilia Tasidou
2008	J	`jnl`	The complexity of linear programming in (gamma, kappa)-form. Inf. Process. Lett. Pavlos S. Efraimidis
2008	—	`conf`	Towards Privacy in Personal Data Management. Panhellenic Conference on Informatics Pavlos S. Efraimidis, George Drosatos, Fotis Nalbadis, Aimilia Tasidou
2008	—	`ch.`	Weighted Random Sampling. Encyclopedia of Algorithms Pavlos S. Efraimidis, Paul G. Spirakis
2008	B	`conf`	Window-Games between TCP Flows. SAGT Pavlos S. Efraimidis, Lazaros Tsavlidis
2007	J	`jnl`	Existence, uniqueness and asymptotic behavior of the solutions of a fuzzy differential equation with piecewise constant argument. Inf. Sci. Garyfalos Papaschinopoulos, Gesthimani Stefanidou, Pavlos S. Efraimidis
2006	J	`jnl`	Approximation schemes for scheduling and covering on unrelated machines. Theor. Comput. Sci. Pavlos S. Efraimidis, Paul G. Spirakis
2006	J	`jnl`	Weighted random sampling with a reservoir. Inf. Process. Lett. Pavlos S. Efraimidis, Paul G. Spirakis
2000	—	`conf`	Positive Linear Programming Extensions: Parallel Complexity and Applications (Research Note). Euro-Par Pavlos S. Efraimidis, Paul G. Spirakis
2000	J	`jnl`	Randomized Approximation Schemes for Scheduling Unrelated Parallel Machines Electron. Colloquium Comput. Complex. Pavlos S. Efraimidis, Paul G. Spirakis
2000	—	`—`	Αποτελεσματικές ακολουθιακές και παράλληλες προσεγγίσεις σε προβλήματα με μεγάλες υπολογιστικές απαιτήσεις: [υπό] Παύλου Εφραιμίδη Pavlos S. Efraimidis
1995	A*	`conf`	Parallel Text Retrieval on a High Performance Super Computer Using the Vector Space Model. SIGIR Pavlos S. Efraimidis, Christos Glymidakis, Basilis Mamalis, Paul G. Spirakis, Basil Tampakas