Pavlos S. Efraimidis

Publication Activity (10 Years)

Years Active: 1995-2023
Publications (10 Years): 40

Top Topics

Privacy Preserving

Session Initiation Protocol

Random Sampling

Top Venues

Inf. Comput. Secur.

Publications

Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Nikolaos Pavlidis, Pavlos S. Efraimidis
Federated Learning for Early Dropout Prediction on Healthy Ageing Applications. FMEC (2023)
Nikolaos Pavlidis, Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Anastasia Papadopoulou, Pavlos S. Efraimidis, Avi Arampatzis
An Extensive Overview of Feature Representation Techniques for Molecule Classification. PCI (2023)
Christos Chrysanthos Nikolaidis, Vasileios Perifanis, Nikolaos Pavlidis, Pavlos S. Efraimidis
Federated Learning for Early Dropout Prediction on Healthy Ageing Applications. CoRR (2023)
Vasileios Perifanis, Ioanna Michailidi, Giorgos Stamatelatos, George Drosatos, Pavlos S. Efraimidis
Predicting Early Dropouts of an Active and Healthy Ageing App. CoRR (2023)
Nikolaos Pavlidis, Vasileios Perifanis, Theodoros Panagiotis Chatzinikolaou, Georgios Ch. Sirakoulis, Pavlos S. Efraimidis
Intelligent Client Selection for Federated Learning using Cellular Automata. CoRR (2023)
Vasileios Perifanis, Nikolaos Pavlidis, Selim F. Yilmaz, Francesc Wilhelmi, Elia Guerra, Marco Miozzo, Pavlos S. Efraimidis, Paolo Dini, Remous-Aris Koutsiamanis
Towards Energy-Aware Federated Traffic Prediction for Cellular Networks. CoRR (2023)
Vasileios Perifanis, Nikolaos Pavlidis, Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
Federated learning for 5G base station traffic forecasting. Comput. Networks 235 (2023)
Vasileios Perifanis, George Drosatos, Giorgos Stamatelatos, Pavlos S. Efraimidis
FedPOIRec: Privacy-preserving federated poi recommendation with social influence. Inf. Sci. 623 (2023)
Vasileios Perifanis, Nikolaos Pavlidis, Selim F. Yilmaz, Francesc Wilhelmi, Elia Guerra, Marco Miozzo, Pavlos S. Efraimidis, Paolo Dini, Remous-Aris Koutsiamanis
Towards Energy-Aware Federated Traffic Prediction for Cellular Networks. FMEC (2023)
Vasileios Perifanis, Nikolaos Pavlidis, Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
Federated Learning for 5G Base Station Traffic Forecasting. CoRR (2022)
Vasileios Perifanis, Pavlos S. Efraimidis
Federated Neural Collaborative Filtering. Knowl. Based Syst. 242 (2022)
Periklis Kostamis, Andreas Sendros, Pavlos S. Efraimidis
Exploring Ethereum's Data Stores: A Cost and Performance Comparison. BRAINS (2021)
Giorgos Stamatelatos, Pavlos S. Efraimidis
Whole Sampling Generation of Scale-Free Graphs. CoRR (2021)
Giorgos Stamatelatos, Pavlos S. Efraimidis
Lexicographic Enumeration of Set Partitions. CoRR (2021)
Giorgos Stamatelatos, George Drosatos, Sotirios Gyftopoulos, Helen Briola, Pavlos S. Efraimidis
Point-of-interest lists and their potential in recommendation systems. J. Inf. Technol. Tour. 23 (2) (2021)
Periklis Kostamis, Andreas Sendros, Pavlos S. Efraimidis
Exploring Ethereum's Data Stores: A Cost and Performance Comparison. CoRR (2021)
Vasileios Perifanis, Pavlos S. Efraimidis
Federated Neural Collaborative Filtering. CoRR (2021)
Vasileios Perifanis, George Drosatos, Giorgos Stamatelatos, Pavlos S. Efraimidis
FedPOIRec: Privacy Preserving Federated POI Recommendation with Social Influence. CoRR (2021)
Giorgos Stamatelatos, Pavlos S. Efraimidis
About Weighted Random Sampling in Preferential Attachment Models. CoRR (2021)
Sotirios Gyftopoulos, George Drosatos, Giorgos Stamatelatos, Pavlos S. Efraimidis
A Twitter-based approach of news media impartiality in multipartite political scenes. Soc. Netw. Anal. Min. 10 (1) (2020)
Giorgos Stamatelatos, Sotirios Gyftopoulos, George Drosatos, Pavlos S. Efraimidis
Revealing the political affinity of online entities through their Twitter followers. Inf. Process. Manag. 57 (2) (2020)
Antonios Dimitriadis, George Drosatos, Pavlos S. Efraimidis
How much does a zero-permission Android app know about us? CECC (2019)
Helen Briola, George Drosatos, Giorgos Stamatelatos, Sotirios Gyftopoulos, Pavlos S. Efraimidis
Privacy leakages about political beliefs through analysis of Twitter followers. PCI (2018)
Sotirios Gyftopoulos, Pavlos S. Efraimidis, Panagiotis Katsaros
Formal analysis of DeGroot Influence Problems using probabilistic model checking. Simul. Model. Pract. Theory 89 (2018)
Giorgos Stamatelatos, Sotirios Gyftopoulos, George Drosatos, Pavlos S. Efraimidis
Deriving the Political Affinity of Twitter Users from Their Followers. ISPA/IUCC/BDCloud/SocialCom/SustainCom (2018)
George Drosatos, Kyriakos Bakirlis, Pavlos S. Efraimidis, Eleni Kaldoudi
Communicating Personalized Risk Factors for Lifestyle Coaching. HEALTHINF (2018)
Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
Implementing PacketEconomy: Distributed money-based QoS in OMNET++. Int. J. Commun. Syst. 30 (11) (2017)
George Drosatos, Aimilia Tasidou, Pavlos S. Efraimidis
Privacy-Enhanced Television Audience Measurements. ACM Trans. Internet Techn. 17 (1) (2017)
Antonios Dimitriadis, Pavlos S. Efraimidis, Vasilios Katos
Malevolent app pairs: an Android permission overpassing scheme. Conf. Computing Frontiers (2016)
Sotirios Gyftopoulos, Pavlos S. Efraimidis, Panagiotis Katsaros
Solving Influence Problems on the DeGroot Model with a Probabilistic Model Checking Tool. PCI (2016)
Pavlos S. Efraimidis, George Drosatos, Avi Arampatzis, Giorgos Stamatelatos, Ioannis N. Athanasiadis
A Privacy-by-Design Contextual Suggestion System for Tourism. J. Sens. Actuator Networks 5 (2) (2016)
Aimilia Tasidou, Pavlos S. Efraimidis, Yannis Soupionis, Lilian Mitrou, Vasilios Katos
Privacy-preserving, user-centric VoIP CAPTCHA challenges: An integrated solution in the SIP environment. Inf. Comput. Secur. 24 (1) (2016)
George Drosatos, Pavlos S. Efraimidis, Garrath Williams, Eleni Kaldoudi
Towards Privacy by Design in Personal e-Health Systems. HEALTHINF (2016)
George Drosatos, Pavlos S. Efraimidis, Avi Arampatzis, Giorgos Stamatelatos, Ioannis N. Athanasiadis
Pythia: A Privacy-Enhanced Personalized Contextual Suggestion System for Tourism. COMPSAC (2015)
Antonios Chatzitoulousis, Pavlos S. Efraimidis, Ioannis N. Athanasiadis
Interoperable Multimedia Annotation and Retrieval for the Tourism Sector. MTSR (2015)
Matina Tsavli, Pavlos S. Efraimidis, Vasilios Katos, Lilian Mitrou
Reengineering the user: privacy concerns about personal data on smartphones. Inf. Comput. Secur. 23 (4) (2015)
Avi Arampatzis, George Drosatos, Pavlos S. Efraimidis
Versatile Query Scrambling for Private Web Search. Inf. Retr. J. 18 (4) (2015)
Ioannis Psaroudakis, Vasilios Katos, Pavlos S. Efraimidis
A novel mechanism for anonymizing Global System for Mobile Communications calls using a resource-based Session Initiation Protocol community network. Secur. Commun. Networks 8 (3) (2015)
Ioannis Karagiannis, Avi Arampatzis, Pavlos S. Efraimidis, Giorgos Stamatelatos
Social network analysis of public lists of POIs. Panhellenic Conference on Informatics (2015)
Pavlos S. Efraimidis
Weighted Random Sampling over Data Streams. Algorithms, Probability, Networks, and Games (2015)
George Drosatos, Pavlos S. Efraimidis
User-centric privacy-preserving statistical analysis of ubiquitous health monitoring data. Comput. Sci. Inf. Syst. 11 (2) (2014)
Yannis Soupionis, Remous-Aris Koutsiamanis, Pavlos S. Efraimidis, Dimitris Gritzalis
A game-theoretic analysis of preventing spam over Internet Telephony via audio CAPTCHA-based authentication. J. Comput. Secur. 22 (3) (2014)
George Drosatos, Pavlos S. Efraimidis, Ioannis N. Athanasiadis, Matthias Stevens, Ellie D'Hondt
Privacy-preserving computation of participatory noise maps in the cloud. J. Syst. Softw. 92 (2014)
George Drosatos, Pavlos S. Efraimidis
An efficient privacy-preserving solution for finding the nearest doctor. Pers. Ubiquitous Comput. 18 (1) (2014)
Ioannis Refanidis, Christos Emmanouilidis, Ilias Sakellariou, Anastasios Alexiadis, Remous-Aris Koutsiamanis, Konstantinos Agnantis, Aimilia Tasidou, Fotis Kokkoras, Pavlos S. Efraimidis
: Personalized Itinerary Planning System for Tourism. SETN (2014)
Matina Tsavli, Pavlos S. Efraimidis, Vasilios Katos
Reengineering the user: Privacy concerns about personal data on smartphones. HAISA (2014)
Avi Arampatzis, George Drosatos, Pavlos S. Efraimidis
A Versatile Tool for Privacy-Enhanced Web Search. ECIR (2013)
Pavlos S. Efraimidis, Remous-Aris Koutsiamanis
Money-Based Coordination of Network Packets. CIAC (2013)
George Drosatos, Giorgos Stamatelatos, Avi Arampatzis, Pavlos S. Efraimidis
DUTH at TREC 2013 Contextual Suggestion Track. TREC (2013)
Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos
A query scrambler for search privacy on the internet. Inf. Retr. 16 (6) (2013)
George Drosatos, Pavlos S. Efraimidis, Ioannis N. Athanasiadis, Ellie D'Hondt, Matthias Stevens
A Privacy-Preserving Cloud Computing System for Creating Participatory Noise Maps. COMPSAC (2012)
Pavlos S. Efraimidis, Remous-Aris Koutsiamanis
On Money as a Means of Coordination between Network Packets CoRR (2012)
Ioannis Psaroudakis, Vasilios Katos, Pavlos S. Efraimidis
A Framework for Anonymizing GSM Calls over a Smartphone VoIP Network. SEC (2012)
George Drosatos, Aimilia Tasidou, Pavlos S. Efraimidis
Privacy-Preserving Television Audience Measurement Using Smart TVs. SEC (2012)
Aimilia Tasidou, Pavlos S. Efraimidis, Yannis Soupionis, Lilian Mitrou, Vasilios Katos
User-centric, Privacy-Preserving Adaptation for VoIP CAPTCHA Challenges. HAISA (2012)
Aimilia Tasidou, Pavlos S. Efraimidis
Using Personal Portfolios to Manage Customer Data. DPM/SETOP (2011)
Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
An Exact and O(1) Time Heaviest and Lightest Hitters Algorithm for Sliding-Window Data Streams. MUE (2011)
Avi Arampatzis, Pavlos S. Efraimidis, George Drosatos
Enhancing Deniability against Query-Logs. ECIR (2011)
Remous-Aris Koutsiamanis, Pavlos S. Efraimidis
An exact and O(1) time heaviest and lightest hitters algorithm for sliding-window data streams CoRR (2011)
George Drosatos, Pavlos S. Efraimidis
Privacy-enhanced management of ubiquitous health monitoring data. PETRA (2011)
George Drosatos, Pavlos S. Efraimidis
Privacy-Preserving Statistical Analysis on Ubiquitous Health Data. TrustBus (2011)
Pavlos S. Efraimidis
Weighted Random Sampling over Data Streams CoRR (2010)
Pavlos S. Efraimidis
(\alpha, \beta) Fibonacci Search CoRR (2010)
George Drosatos, Pavlos S. Efraimidis
A privacy-preserving protocol for finding the nearest doctor in an emergency. PETRA (2010)
Pavlos S. Efraimidis, Lazaros Tsavlidis, George B. Mertzios
Window-games between TCP flows. Theor. Comput. Sci. 411 (31-33) (2010)
Pavlos S. Efraimidis, George Drosatos, Fotis Nalbadis, Aimilia Tasidou
Towards privacy in personal data management. Inf. Manag. Comput. Secur. 17 (4) (2009)
Aimilia Tasidou, Pavlos S. Efraimidis, Vasilios Katos
Economics of Personal Data Management: Fair Personal Information Trades. e-Democracy (2009)
Pavlos S. Efraimidis
The complexity of linear programming in (gamma, kappa)-form. Inf. Process. Lett. 105 (5) (2008)
Pavlos S. Efraimidis, Lazaros Tsavlidis
Window-Games between TCP Flows. SAGT (2008)
Pavlos S. Efraimidis, George Drosatos, Fotis Nalbadis, Aimilia Tasidou
Towards Privacy in Personal Data Management. Panhellenic Conference on Informatics (2008)
Garyfalos Papaschinopoulos, Gesthimani Stefanidou, Pavlos S. Efraimidis
Existence, uniqueness and asymptotic behavior of the solutions of a fuzzy differential equation with piecewise constant argument. Inf. Sci. 177 (18) (2007)
Pavlos S. Efraimidis, Paul G. Spirakis
Approximation schemes for scheduling and covering on unrelated machines. Theor. Comput. Sci. 359 (1-3) (2006)
Pavlos S. Efraimidis, Paul G. Spirakis
Weighted random sampling with a reservoir. Inf. Process. Lett. 97 (5) (2006)
Pavlos S. Efraimidis, Paul G. Spirakis
Randomized Approximation Schemes for Scheduling Unrelated Parallel Machines Electron. Colloquium Comput. Complex. 7 (7) (2000)
Pavlos S. Efraimidis, Paul G. Spirakis
Positive Linear Programming Extensions: Parallel Complexity and Applications (Research Note). Euro-Par (2000)
Pavlos S. Efraimidis, Christos Glymidakis, Basilis Mamalis, Paul G. Spirakis, Basil Tampakas
Parallel Text Retrieval on a High Performance Super Computer Using the Vector Space Model. SIGIR (1995)