Elias Z. Tragos

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 32

Top Topics

Matrix Factorisation

Sensor Networks

Compressive Sensing

Top Venues

Publications

Neil Hurley, Erika Duriakova, James Geraci, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Barry Smyth, Aonghus Lawlor
ALS Algorithm for Robust and Communication-Efficient Federated Learning. EuroMLSys@EuroSys (2024)
Diarmuid O'Reilly-Morgan, Elias Z. Tragos, James Geraci, Qinqin Wang, Neil Hurley, Barry Smyth, Aonghus Lawlor
A Hybrid Decentralised Learning Topology for Recommendations with Improved Privacy. EuroMLSys@EuroSys (2024)
Edoardo D'Amico, Khalil Muhammad, Elias Z. Tragos, Barry Smyth, Neil Hurley, Aonghus Lawlor
Item Graph Convolution Collaborative Filtering for Inductive Recommendations. CoRR (2023)
Elias Z. Tragos, Diarmuid O'Reilly-Morgan, James Geraci, Bichen Shi, Barry Smyth, Cailbhe Doherty, Aonghus Lawlor, Neil Hurley
Keeping People Active and Healthy at Home Using a Reinforcement Learning-based Fitness Recommendation Framework. IJCAI (2023)
Aayush Singha Roy, Edoardo D'Amico, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley
Scalable Deep Q-Learning for Session-Based Slate Recommendation. RecSys (2023)
Edoardo D'Amico, Khalil Muhammad, Elias Z. Tragos, Barry Smyth, Neil Hurley, Aonghus Lawlor
Item Graph Convolution Collaborative Filtering for Inductive Recommendations. ECIR (1) (2023)
Qinqin Wang, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor, Ruihai Dong
Learning Domain-Independent Representations via Shared Weight Auto-Encoder for Transfer Learning in Recommender Systems. IEEE Access 10 (2022)
Qinqin Wang, Khalil Muhammad, Diarmuid O'Reilly-Morgan, Barry Smyth, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley, Ruihai Dong
MARF: User-Item Mutual Aware Representation with Feedback. ICWE (2022)
Qinqin Wang, Elias Z. Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor, Ruihai Dong
Entity-Enhanced Graph Convolutional Network for Accurate and Explainable Recommendation. UMAP (2022)
Rachit Agarwal, Tarek Elsaleh, Elias Z. Tragos
GDPR-inspired IoT Ontology enabling Semantic Interoperability, Federation of Deployments and Privacy-Preserving Applications. WF-IoT (2022)
Bichen Shi, Elias Z. Tragos, Makbule Gulcin Ozsoy, Ruihai Dong, Neil Hurley, Barry Smyth, Aonghus Lawlor
DARES: An Asynchronous Distributed Recommender System Using Deep Reinforcement Learning. IEEE Access 9 (2021)
Erika Duriakova, Elias Z. Tragos, Aonghus Lawlor, Barry Smyth, Neil Hurley
Boosting the Training Time of Weakly Coordinated Distributed Machine Learning. IEEE BigData (2021)
Erika Duriakova, Weipéng Huáng, Elias Z. Tragos, Aonghus Lawlor, Barry Smyth, James Geraci, Neil Hurley
An Algorithmic Framework for Decentralised Matrix Factorisation. ECML/PKDD (2) (2020)
Rachit Agarwal, Tarek Elsaleh, Elias Z. Tragos
GDPR-inspired IoT Ontology enabling Semantic Interoperability, Federation of Deployments and Privacy-Preserving Applications. CoRR (2020)
Khalil Muhammad, Qinqin Wang, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Barry Smyth, Neil Hurley, James Geraci, Aonghus Lawlor
FedFast: Going Beyond Average for Faster Training of Federated Recommender Systems. KDD (2020)
Francisco J. Peña, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Neil Hurley, Erika Duriakova, Barry Smyth, Aonghus Lawlor
Combining Rating and Review Data by Initializing Latent Factor Models with Topic Models for Top-N Recommendation. RecSys (2020)
Makbule Gulcin Ozsoy, Diarmuid O'Reilly-Morgan, Panagiotis Symeonidis, Elias Z. Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor
MP4Rec: Explainable and Accurate Top-N Recommendations in Heterogeneous Information Networks. IEEE Access 8 (2020)
Erika Duriakova, Elias Z. Tragos, Barry Smyth, Neil Hurley, Francisco J. Peña, Panagiotis Symeonidis, James Geraci, Aonghus Lawlor
PDMFRec: a decentralised matrix factorisation with tunable user-centric privacy. RecSys (2019)
Bichen Shi, Makbule Gulcin Ozsoy, Neil Hurley, Barry Smyth, Elias Z. Tragos, James Geraci, Aonghus Lawlor
PyRecGym: a reinforcement learning gym for recommender systems. RecSys (2019)
Elias Z. Tragos, Antonio Ligñán, Alexandros G. Fragkiadakis, Marc Fàbregas
An experimental evaluation of network reliability in a secure Internet of Things deployment. EWSN (2018)
George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
Energy Efficient Policies for Data Transmission in Disruption Tolerant Heterogeneous IoT Networks. Sensors 18 (9) (2018)
Jorge Lanza, Luis Sánchez, Juan Ramón Santana, Rachit Agarwal, Nikos Kefalakis, Paul Grace, Tarek Elsaleh, Mengxuan Zhao, Elias Z. Tragos, Hung Nguyen Dang, Flavio Cirillo, Ronald Steinke, John Soldatos
Experimentation as a Service Over Semantically Interoperable Internet of Things Testbeds. IEEE Access 6 (2018)
Aqeel H. Kazmi, Elias Z. Tragos, Martin Serrano
Underpinning IoT for Road Traffic Noise Management in Smart Cities. PerCom Workshops (2018)
Martin Serrano, Amelie Gyrard, Elias Z. Tragos, Hung Nguyen Dang
FIESTAIoT Project: Federated Interoperable Semantic IoT/cloud Testbeds and Applications. WWW (Companion Volume) (2018)
Pavlos Charalampidis, Elias Z. Tragos, Alexandros G. Fragkiadakis
A fog-enabled IoT platform for efficient management and data collection. CAMAD (2017)
Tewelde Degefa Assefa, Rashedul Hoque, Elias Z. Tragos, Xenofontas A. Dimitropoulos
Poster abstract: SDN-based handover management in enterprise networked femtocells with X2-forwarding scheme. INFOCOM Workshops (2017)
Tewelde Degefa Assefa, Rashedul Hoque, Elias Z. Tragos, Xenofontas A. Dimitropoulos
SDN-based local mobility management with X2-interface in femtocell networks. CAMAD (2017)
Alexandros G. Fragkiadakis, Elias Z. Tragos
A trust-based scheme employing evidence reasoning for IoT architectures. WF-IoT (2016)
Elias Z. Tragos, Rasmus Nielsen, Adam Kapovits, Claudio Cicconetti, Enzo Mingozzi, Jaudelice Cavalcante de Oliveira, Xiaohua Jia, Stefano Iellamo, Vangelis Angelakis
Workshop message: IoT-SoS 2016. WoWMoM (2016)
Alexandros G. Fragkiadakis, Elias Z. Tragos, Luka Kovacevic, Pavlos Charalampidis
A practical implementation of an adaptive Compressive Sensing encryption scheme. WoWMoM (2016)
George Moldovan, Elias Z. Tragos, Alexandros G. Fragkiadakis, Henrich C. Pöhls, Daniel Calvo
An IoT Middleware for Enhanced Security and Privacy: The RERUM Approach. NTMS (2016)
Alexandros G. Fragkiadakis, Luka Kovacevic, Elias Z. Tragos
Enhancing compressive sensing encryption in constrained devices using chaotic sequences. SmartObjects@MobiCom (2016)
Pavlos Charalampidis, Alexandros G. Fragkiadakis, Elias Z. Tragos
Rate-Adaptive Compressive Sensing for IoT Applications. VTC Spring (2015)
George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
A two-stage power and QoS aware dynamic spectrum assignment scheme for cognitive wireless sensor networks. QoMEX (2015)
George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
Periodic collection of spectrum occupancy data by energy constrained cognitive IoT devices. IWCMC (2015)
Elias Z. Tragos, Vangelis Angelakis, Stefanos Papadakis
Fighting Networking Heterogeneity in the Internet of Things. ERCIM News 2015 (101) (2015)
Elias Z. Tragos, Magda Foti, Manolis Surligas, George Labropoulos, Stelios Pournaras, Stefanos Papadakis, Vangelis Angelakis
An IoT based intelligent building management system for ambient assisted living. ICC Workshops (2015)
George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
A Two-Stage Spectrum Assignment Scheme for Power and QoS Constrained Cognitive CSMA/CA Networks. GLOBECOM Workshops (2015)
George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
Energy efficient collection of spectrum occupancy data in wireless cognitive sensor networks. VITAE (2014)
Alexandros G. Fragkiadakis, Elias Z. Tragos, Apostolos Traganitis
Lightweight and secure encryption using channel measurements. VITAE (2014)
Alexandros G. Fragkiadakis, Vangelis Angelakis, Elias Z. Tragos
Securing Cognitive Wireless Sensor Networks: A Survey. Int. J. Distributed Sens. Networks 10 (2014)
Alexandros G. Fragkiadakis, Pavlos Charalampidis, Stefanos Papadakis, Elias Z. Tragos
Experiences with deploying Compressive Sensing and Matrix Completion techniques in IoT devices. CAMAD (2014)
Henrich C. Pöhls, Vangelis Angelakis, Santiago Suppan, Kai Fischer, George C. Oikonomou, Elias Z. Tragos, Rodrigo Diaz Rodriguez, Theodoros Mouroutis
RERUM: Building a reliable IoT upon privacy- and security- enabled smart objects. WCNC Workshops (2014)
Alexandros G. Fragkiadakis, Pavlos Charalampidis, Elias Z. Tragos
Adaptive compressive sensing for energy efficient smart objects in IoT applications. VITAE (2014)
Elias Z. Tragos, Vangelis Angelakis, Alexandros G. Fragkiadakis, David Gundlegård, Septimiu-Cosmin Nechifor, George C. Oikonomou, Henrich C. Pöhls, Anastasius Gavras
Enabling reliable and secure IoT-based smart city applications. PerCom Workshops (2014)
George T. Karetsos, Elias Z. Tragos, George Tsiropoulos
A holistic approach to minimizing handover latency in heterogeneous wireless networking environments. Telecommun. Syst. 52 (4) (2013)
Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Elias Z. Tragos
Secure and Energy-Efficient Life-Logging in Wireless Pervasive Environments. HCI (27) (2013)
Alexandros G. Fragkiadakis, Elias Z. Tragos, Ioannis G. Askoxylakis
A Survey on Security Threats and Detection Techniques in Cognitive Radio Networks. IEEE Commun. Surv. Tutorials 15 (1) (2013)
Vangelis Angelakis, Antonio Capone, Alexandros G. Fragkiadakis, Stefano Napoli, Stefanos Papadakis, George Perantinos, Vassilis Spitadakis, Elias Z. Tragos, Di Yuan
Experience from testbeds and management platforms towards mesh networking with heterogeneous wireless access. WOWMOM (2013)
Nikolaos E. Petroulakis, Elias Z. Tragos, Alexandros G. Fragkiadakis, George Spanoudakis
A lightweight framework for secure life-logging in smart environments. Inf. Secur. Tech. Rep. 17 (3) (2013)
Elias Z. Tragos, Sherali Zeadally, Alexandros G. Fragkiadakis, Vasilios A. Siris
Spectrum Assignment in Cognitive Radio Networks: A Comprehensive Survey. IEEE Commun. Surv. Tutorials 15 (3) (2013)
Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Elias Z. Tragos
Joint compressed-sensing and matrix-completion for efficient data collection in WSNs. CAMAD (2013)
Elias Z. Tragos, Vangelis Angelakis
Cognitive radio inspired M2M communications. WPMC (2013)
Alexandros G. Fragkiadakis, Elias Z. Tragos, Theodore Tryfonas, Ioannis G. Askoxylakis
Design and performance evaluation of a lightweight wireless early warning intrusion detection prototype. EURASIP J. Wirel. Commun. Netw. 2012 (2012)
Vasilios A. Siris, Elias Z. Tragos, Nikos Petroulakis
Experiences with a metropolitan multiradio wireless mesh network: design, performance, and application. IEEE Commun. Mag. 50 (7) (2012)
Albena Mihovska, Ramjee Prasad, Elias Z. Tragos, Vangelis Angelakis
Design considerations for a cognitive radio trust and security framework. CAMAD (2012)
Nikos Petroulakis, Elias Z. Tragos, Ioannis G. Askoxylakis
An experimental investigation on energy consumption for secure life-logging in smart environments. CAMAD (2012)
Vasilios A. Siris, George Stamatakis, Elias Z. Tragos
A Simple End-to-End Throughput Model for 802.11 Multi-Radio Multi-Rate Wireless Mesh Networks. IEEE Commun. Lett. 15 (6) (2011)
Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Elias Z. Tragos, Christos V. Verikoukis
Ubiquitous robust communications for emergency response using multi-operator heterogeneous networks. EURASIP J. Wirel. Commun. Netw. 2011 (2011)
Alexandros G. Fragkiadakis, Elias Z. Tragos, Ioannis G. Askoxylakis
Video Streaming Performance in Wireless Hostile Environments. MUE (2011)
Vasilios A. Siris, George Stamatakis, Elias Z. Tragos
Channel Assignment Based on the End-to-End Throughput in Multi-hop Wireless Networks. WWIC (2011)
Elias Z. Tragos, Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Vasilios A. Siris
The impact of interference on the performance of a multi-path metropolitan wireless mesh network. ISCC (2011)
Elias Z. Tragos, Raffaele Bruno, Emilio Ancillotti, Krzysztof Grochla, Vasilios A. Siris
Automatically configured, optimised and QoS aware wireless mesh networks. PIMRC (2010)
Panagiotis T. Vlacheas, Eleni A. Kolokotroni, Elias Z. Tragos, Michael E. Theologou
Mobile Networks A hybrid multirate MAC protocol providing trade-off between throughput and fairness in future TD-CDMA networks. Eur. Trans. Telecommun. 21 (1) (2010)
Elias Z. Tragos, Albena Mihovska, Emilio Mino-Diaz, Pantelis N. Karamolegkos, Panagiotis T. Vlacheas, Jijun Luo
Access selection and mobility management in a beyond 3G RAN: The WINNER approach. Telecommun. Syst. 42 (3-4) (2009)
Albena Mihovska, Elias Z. Tragos, Emilio Mino-Diaz, Jijun Luo, Christian Mensing, Roberta Fracchia, Sana Horrich, Lin Hui, Annika Klockar, Sofoklis A. Kyriazakos
Requirements and Algorithms for Cooperation of Heterogeneous Radio Access Networks. Wirel. Pers. Commun. 50 (2) (2009)
Elias Z. Tragos, George Tsiropoulos, George T. Karetsos, Sofoklis A. Kyriazakos
Admission control for QoS support in heterogeneous 4G wireless networks. IEEE Netw. 22 (3) (2008)
Elias Z. Tragos, George T. Karetsos, Sofoklis A. Kyriazakos, Kostas Vlahodimitropoulos
Dynamic segmentation of cellular networks for improved handover performance. Wirel. Commun. Mob. Comput. 8 (7) (2008)
Dimitris E. Charilas, Ourania I. Markaki, Elias Z. Tragos
A theoretical scheme for applying game theory and network selection mechanisms in access admission control. ISWPC (2008)
Christian Mensing, Elias Z. Tragos, Jijun Luo, Emilio Mino-Diaz
Location Determination using In-Band Signaling for Mobility Management in Future Networks. PIMRC (2007)
Elias Z. Tragos, Albena Mihovska, Emilio Mino-Diaz, Jijun Luo, Roberta Fracchia, Guillaume Vivier, Xiaoyun Xue
Hybrid RRM Architecture for Future Wireless Networks. PIMRC (2007)
Elias Z. Tragos, Albena Mihovska, Emilio Mino-Diaz, Pantelis N. Karamolegkos, Panagiotis T. Vlacheas
Access selection and mobility management in a beyond 3G RAN: the winner approach. MOBIWAC (2007)
Pantelis N. Karamolegkos, Charalampos Z. Patrikakis, Nikolaos D. Doulamis, Elias Z. Tragos
User - Profile based Communities Assessment using Clustering Methods. PIMRC (2007)