Elias Z. Tragos

82 papers A* 3A 8B 8C 5Journal 23Unranked 35

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Don't Get Bored: Enhancing Scalability and Diversity in Session-Based Slate Recommendation. Trans. Recomm. Syst. Aayush Singha Roy, Edoardo D'Amico, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley
2026	A	`conf`	Transfer Learning via User-Item Graph Convolution for Enhanced Cross-Domain Recommendation. WSDM Zheng Ju, Qinqin Wang, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Neil Hurley, Ruihai Dong, Aonghus Lawlor
2025	—	`conf`	DiffGR: A Discrete Diffusion-Based Model for Personalised Recommendation by Reconstructing User-Item Bipartite Graphs. ECIR (3) Zheng Ju, Honghui Du, Elias Z. Tragos, Neil Hurley, Aonghus Lawlor
2025	A*	`conf`	NodeRec+: A Lightweight Framework for Federated Recommender Systems. SIGIR Diarmuid O'Reilly-Morgan, Erika Duriakova, Elias Z. Tragos, Neil Hurley, Aonghus Lawlor
2025	A	`conf`	SlateLLM: Distilling LLM Semantics into Session-Aware Slate Recommendation without Inference Overhead. RecSys Aayush Singha Roy, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley
2025	C	`conf`	SplitFedEE: Balancing Communication and Accuracy. VCIP Erika Duriakova, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Neil Hurley, Aonghus Lawlor
2024	—	`conf`	A Hybrid Decentralised Learning Topology for Recommendations with Improved Privacy. EuroMLSys@EuroSys Diarmuid O'Reilly-Morgan, Elias Z. Tragos, James Geraci, Qinqin Wang, Neil Hurley, Barry Smyth, Aonghus Lawlor
2024	—	`conf`	ALS Algorithm for Robust and Communication-Efficient Federated Learning. EuroMLSys@EuroSys Neil Hurley, Erika Duriakova, James Geraci, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Barry Smyth, Aonghus Lawlor
2024	—	`conf`	Entity Matching with Large Language Models as Weak and Strong Labellers. ADBIS (Short Papers) Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Erika Duriakova, Honghui Du, Neil Hurley, Aonghus Lawlor
2024	A	`conf`	Exploring Coresets for Efficient Training and Consistent Evaluation of Recommender Systems. RecSys Zheng Ju, Honghui Du, Elias Z. Tragos, Neil Hurley, Aonghus Lawlor
2024	—	`conf`	Simulating Real-World News Consumption: Deep Q-Learning for Diverse User-Centric Slate Recommendations. INRA@RecSys Aayush Singha Roy, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley
2023	—	`conf`	Item Graph Convolution Collaborative Filtering for Inductive Recommendations. ECIR (1) Edoardo D'Amico, Khalil Muhammad, Elias Z. Tragos, Barry Smyth, Neil Hurley, Aonghus Lawlor
2023	J	`jnl`	Item Graph Convolution Collaborative Filtering for Inductive Recommendations. CoRR Edoardo D'Amico, Khalil Muhammad, Elias Z. Tragos, Barry Smyth, Neil Hurley, Aonghus Lawlor
2023	A*	`conf`	Keeping People Active and Healthy at Home Using a Reinforcement Learning-based Fitness Recommendation Framework. IJCAI Elias Z. Tragos, Diarmuid O'Reilly-Morgan, James Geraci, Bichen Shi, Barry Smyth, Cailbhe Doherty, Aonghus Lawlor, Neil Hurley
2023	A	`conf`	Scalable Deep Q-Learning for Session-Based Slate Recommendation. RecSys Aayush Singha Roy, Edoardo D'Amico, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley
2022	A	`conf`	Entity-Enhanced Graph Convolutional Network for Accurate and Explainable Recommendation. UMAP Qinqin Wang, Elias Z. Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor, Ruihai Dong
2022	—	`conf`	GDPR-inspired IoT Ontology enabling Semantic Interoperability, Federation of Deployments and Privacy-Preserving Applications. WF-IoT Rachit Agarwal, Tarek Elsaleh, Elias Z. Tragos
2022	J	`jnl`	Learning Domain-Independent Representations via Shared Weight Auto-Encoder for Transfer Learning in Recommender Systems. IEEE Access Qinqin Wang, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor, Ruihai Dong
2022	B	`conf`	MARF: User-Item Mutual Aware Representation with Feedback. ICWE Qinqin Wang, Khalil Muhammad, Diarmuid O'Reilly-Morgan, Barry Smyth, Elias Z. Tragos, Aonghus Lawlor, Neil Hurley, Ruihai Dong
2021	—	`conf`	Boosting the Training Time of Weakly Coordinated Distributed Machine Learning. IEEE BigData Erika Duriakova, Elias Z. Tragos, Aonghus Lawlor, Barry Smyth, Neil Hurley
2021	J	`jnl`	DARES: An Asynchronous Distributed Recommender System Using Deep Reinforcement Learning. IEEE Access Bichen Shi, Elias Z. Tragos, Makbule Gulcin Ozsoy, Ruihai Dong, Neil Hurley, Barry Smyth, Aonghus Lawlor
2020	—	`conf`	An Algorithmic Framework for Decentralised Matrix Factorisation. ECML/PKDD (2) Erika Duriakova, Weipéng Huáng, Elias Z. Tragos, Aonghus Lawlor, Barry Smyth, James Geraci, Neil Hurley
2020	A	`conf`	Combining Rating and Review Data by Initializing Latent Factor Models with Topic Models for Top-N Recommendation. RecSys Francisco J. Peña, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Neil Hurley, Erika Duriakova, Barry Smyth, Aonghus Lawlor
2020	A*	`conf`	FedFast: Going Beyond Average for Faster Training of Federated Recommender Systems. KDD Khalil Muhammad, Qinqin Wang, Diarmuid O'Reilly-Morgan, Elias Z. Tragos, Barry Smyth, Neil Hurley, James Geraci, Aonghus Lawlor
2020	J	`jnl`	GDPR-inspired IoT Ontology enabling Semantic Interoperability, Federation of Deployments and Privacy-Preserving Applications. CoRR Rachit Agarwal, Tarek Elsaleh, Elias Z. Tragos
2020	J	`jnl`	MP4Rec: Explainable and Accurate Top-N Recommendations in Heterogeneous Information Networks. IEEE Access Makbule Gulcin Ozsoy, Diarmuid O'Reilly-Morgan, Panagiotis Symeonidis, Elias Z. Tragos, Neil Hurley, Barry Smyth, Aonghus Lawlor
2019	A	`conf`	PDMFRec: a decentralised matrix factorisation with tunable user-centric privacy. RecSys Erika Duriakova, Elias Z. Tragos, Barry Smyth, Neil Hurley, Francisco J. Peña, Panagiotis Symeonidis, James Geraci, Aonghus Lawlor
2019	A	`conf`	PyRecGym: a reinforcement learning gym for recommender systems. RecSys Bichen Shi, Makbule Gulcin Ozsoy, Neil Hurley, Barry Smyth, Elias Z. Tragos, James Geraci, Aonghus Lawlor
2018	B	`conf`	An experimental evaluation of network reliability in a secure Internet of Things deployment. EWSN Elias Z. Tragos, Antonio Ligñán, Alexandros G. Fragkiadakis, Marc Fàbregas
2018	J	`jnl`	Energy Efficient Policies for Data Transmission in Disruption Tolerant Heterogeneous IoT Networks. Sensors George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
2018	J	`jnl`	Experimentation as a Service Over Semantically Interoperable Internet of Things Testbeds. IEEE Access 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
2018	—	`conf`	FIESTAIoT Project: Federated Interoperable Semantic IoT/cloud Testbeds and Applications. WWW (Companion Volume) Martin Serrano, Amelie Gyrard, Elias Z. Tragos, Hung Nguyen Dang
2018	—	`conf`	Underpinning IoT for Road Traffic Noise Management in Smart Cities. PerCom Workshops Aqeel H. Kazmi, Elias Z. Tragos, Martin Serrano
2017	—	`conf`	A fog-enabled IoT platform for efficient management and data collection. CAMAD Pavlos Charalampidis, Elias Z. Tragos, Alexandros G. Fragkiadakis
2017	—	`conf`	Poster abstract: SDN-based handover management in enterprise networked femtocells with X2-forwarding scheme. INFOCOM Workshops Tewelde Degefa Assefa, Rashedul Hoque, Elias Z. Tragos, Xenofontas A. Dimitropoulos
2017	—	`conf`	SDN-based local mobility management with X2-interface in femtocell networks. CAMAD Tewelde Degefa Assefa, Rashedul Hoque, Elias Z. Tragos, Xenofontas A. Dimitropoulos
2016	C	`conf`	A practical implementation of an adaptive Compressive Sensing encryption scheme. WoWMoM Alexandros G. Fragkiadakis, Elias Z. Tragos, Luka Kovacevic, Pavlos Charalampidis
2016	—	`conf`	A trust-based scheme employing evidence reasoning for IoT architectures. WF-IoT Alexandros G. Fragkiadakis, Elias Z. Tragos
2016	—	`conf`	An IoT Middleware for Enhanced Security and Privacy: The RERUM Approach. NTMS George Moldovan, Elias Z. Tragos, Alexandros G. Fragkiadakis, Henrich C. Pöhls, Daniel Calvo
2016	—	`conf`	Enhancing compressive sensing encryption in constrained devices using chaotic sequences. SmartObjects@MobiCom Alexandros G. Fragkiadakis, Luka Kovacevic, Elias Z. Tragos
2016	C	`conf`	Workshop message: IoT-SoS 2016. WoWMoM Elias Z. Tragos, Rasmus Nielsen, Adam Kapovits, Claudio Cicconetti, Enzo Mingozzi, Jaudelice Cavalcante de Oliveira, Xiaohua Jia, Stefano Iellamo, Vangelis Angelakis
2015	—	`conf`	A Two-Stage Spectrum Assignment Scheme for Power and QoS Constrained Cognitive CSMA/CA Networks. GLOBECOM Workshops George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
2015	B	`conf`	A two-stage power and QoS aware dynamic spectrum assignment scheme for cognitive wireless sensor networks. QoMEX George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
2015	—	`conf`	An IoT based intelligent building management system for ambient assisted living. ICC Workshops Elias Z. Tragos, Magda Foti, Manolis Surligas, George Labropoulos, Stelios Pournaras, Stefanos Papadakis, Vangelis Angelakis
2015	J	`jnl`	Fighting Networking Heterogeneity in the Internet of Things. ERCIM News Elias Z. Tragos, Vangelis Angelakis, Stefanos Papadakis
2015	B	`conf`	Periodic collection of spectrum occupancy data by energy constrained cognitive IoT devices. IWCMC George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
2015	—	`conf`	Rate-Adaptive Compressive Sensing for IoT Applications. VTC Spring Pavlos Charalampidis, Alexandros G. Fragkiadakis, Elias Z. Tragos
2014	—	`conf`	Adaptive compressive sensing for energy efficient smart objects in IoT applications. VITAE Alexandros G. Fragkiadakis, Pavlos Charalampidis, Elias Z. Tragos
2014	—	`conf`	Enabling reliable and secure IoT-based smart city applications. PerCom Workshops Elias Z. Tragos, Vangelis Angelakis, Alexandros G. Fragkiadakis, David Gundlegård, Septimiu-Cosmin Nechifor, George C. Oikonomou, Henrich C. Pöhls, Anastasius Gavras
2014	—	`conf`	Energy efficient collection of spectrum occupancy data in wireless cognitive sensor networks. VITAE George Stamatakis, Elias Z. Tragos, Apostolos Traganitis
2014	—	`conf`	Experiences with deploying Compressive Sensing and Matrix Completion techniques in IoT devices. CAMAD Alexandros G. Fragkiadakis, Pavlos Charalampidis, Stefanos Papadakis, Elias Z. Tragos
2014	—	`conf`	Lightweight and secure encryption using channel measurements. VITAE Alexandros G. Fragkiadakis, Elias Z. Tragos, Apostolos Traganitis
2014	—	`conf`	RERUM: Building a reliable IoT upon privacy- and security- enabled smart objects. WCNC Workshops Henrich C. Pöhls, Vangelis Angelakis, Santiago Suppan, Kai Fischer, George C. Oikonomou, Elias Z. Tragos, Rodrigo Diaz Rodriguez, Theodoros Mouroutis
2014	J	`jnl`	Securing Cognitive Wireless Sensor Networks: A Survey. Int. J. Distributed Sens. Networks Alexandros G. Fragkiadakis, Vangelis Angelakis, Elias Z. Tragos
2013	J	`jnl`	A Survey on Security Threats and Detection Techniques in Cognitive Radio Networks. IEEE Commun. Surv. Tutorials Alexandros G. Fragkiadakis, Elias Z. Tragos, Ioannis G. Askoxylakis
2013	J	`jnl`	A holistic approach to minimizing handover latency in heterogeneous wireless networking environments. Telecommun. Syst. George T. Karetsos, Elias Z. Tragos, George Tsiropoulos
2013	J	`jnl`	A lightweight framework for secure life-logging in smart environments. Inf. Secur. Tech. Rep. Nikolaos E. Petroulakis, Elias Z. Tragos, Alexandros G. Fragkiadakis, George Spanoudakis
2013	—	`conf`	Cognitive radio inspired M2M communications. WPMC Elias Z. Tragos, Vangelis Angelakis
2013	C	`conf`	Experience from testbeds and management platforms towards mesh networking with heterogeneous wireless access. WOWMOM Vangelis Angelakis, Antonio Capone, Alexandros G. Fragkiadakis, Stefano Napoli, Stefanos Papadakis, George Perantinos, Vassilis Spitadakis, Elias Z. Tragos, Di Yuan
2013	—	`conf`	Joint compressed-sensing and matrix-completion for efficient data collection in WSNs. CAMAD Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Elias Z. Tragos
2013	—	`conf`	Secure and Energy-Efficient Life-Logging in Wireless Pervasive Environments. HCI (27) Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Elias Z. Tragos
2013	J	`jnl`	Spectrum Assignment in Cognitive Radio Networks: A Comprehensive Survey. IEEE Commun. Surv. Tutorials Elias Z. Tragos, Sherali Zeadally, Alexandros G. Fragkiadakis, Vasilios A. Siris
2012	—	`conf`	An experimental investigation on energy consumption for secure life-logging in smart environments. CAMAD Nikos Petroulakis, Elias Z. Tragos, Ioannis G. Askoxylakis
2012	J	`jnl`	Design and performance evaluation of a lightweight wireless early warning intrusion detection prototype. EURASIP J. Wirel. Commun. Netw. Alexandros G. Fragkiadakis, Elias Z. Tragos, Theodore Tryfonas, Ioannis G. Askoxylakis
2012	—	`conf`	Design considerations for a cognitive radio trust and security framework. CAMAD Albena Mihovska, Ramjee Prasad, Elias Z. Tragos, Vangelis Angelakis
2012	J	`jnl`	Experiences with a metropolitan multiradio wireless mesh network: design, performance, and application. IEEE Commun. Mag. Vasilios A. Siris, Elias Z. Tragos, Nikos Petroulakis
2011	J	`jnl`	A Simple End-to-End Throughput Model for 802.11 Multi-Radio Multi-Rate Wireless Mesh Networks. IEEE Commun. Lett. Vasilios A. Siris, George Stamatakis, Elias Z. Tragos
2011	—	`conf`	Channel Assignment Based on the End-to-End Throughput in Multi-hop Wireless Networks. WWIC Vasilios A. Siris, George Stamatakis, Elias Z. Tragos
2011	C	`conf`	The impact of interference on the performance of a multi-path metropolitan wireless mesh network. ISCC Elias Z. Tragos, Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Vasilios A. Siris
2011	J	`jnl`	Ubiquitous robust communications for emergency response using multi-operator heterogeneous networks. EURASIP J. Wirel. Commun. Netw. Alexandros G. Fragkiadakis, Ioannis G. Askoxylakis, Elias Z. Tragos, Christos V. Verikoukis
2011	—	`conf`	Video Streaming Performance in Wireless Hostile Environments. MUE Alexandros G. Fragkiadakis, Elias Z. Tragos, Ioannis G. Askoxylakis
2010	B	`conf`	Automatically configured, optimised and QoS aware wireless mesh networks. PIMRC Elias Z. Tragos, Raffaele Bruno, Emilio Ancillotti, Krzysztof Grochla, Vasilios A. Siris
2010	J	`jnl`	Mobile Networks A hybrid multirate MAC protocol providing trade-off between throughput and fairness in future TD-CDMA networks. Eur. Trans. Telecommun. Panagiotis T. Vlacheas, Eleni A. Kolokotroni, Elias Z. Tragos, Michael E. Theologou
2009	J	`jnl`	Access selection and mobility management in a beyond 3G RAN: The WINNER approach. Telecommun. Syst. Elias Z. Tragos, Albena Mihovska, Emilio Mino-Díaz, Pantelis N. Karamolegkos, Panagiotis T. Vlacheas, Jijun Luo
2009	J	`jnl`	Requirements and Algorithms for Cooperation of Heterogeneous Radio Access Networks. Wirel. Pers. Commun. Albena Mihovska, Elias Z. Tragos, Emilio Mino-Díaz, Jijun Luo, Christian Mensing, Roberta Fracchia, Sana Horrich, Lin Hui, Annika Klockar, Sofoklis A. Kyriazakos
2008	—	`conf`	A theoretical scheme for applying game theory and network selection mechanisms in access admission control. ISWPC Dimitris E. Charilas, Ourania I. Markaki, Elias Z. Tragos
2008	J	`jnl`	Admission control for QoS support in heterogeneous 4G wireless networks. IEEE Netw. Elias Z. Tragos, George Tsiropoulos, George T. Karetsos, Sofoklis A. Kyriazakos
2008	J	`jnl`	Dynamic segmentation of cellular networks for improved handover performance. Wirel. Commun. Mob. Comput. Elias Z. Tragos, George T. Karetsos, Sofoklis A. Kyriazakos, Kostas Vlahodimitropoulos
2007	—	`conf`	Access selection and mobility management in a beyond 3G RAN: the winner approach. MOBIWAC Elias Z. Tragos, Albena Mihovska, Emilio Mino-Díaz, Pantelis N. Karamolegkos, Panagiotis T. Vlacheas
2007	B	`conf`	Hybrid RRM Architecture for Future Wireless Networks. PIMRC Elias Z. Tragos, Albena Mihovska, Emilio Mino-Díaz, Jijun Luo, Roberta Fracchia, Guillaume Vivier, Xiaoyun Xue
2007	B	`conf`	Location Determination using In-Band Signaling for Mobility Management in Future Networks. PIMRC Christian Mensing, Elias Z. Tragos, Jijun Luo, Emilio Mino-Díaz
2007	B	`conf`	User - Profile based Communities Assessment using Clustering Methods. PIMRC Pantelis N. Karamolegkos, Charalampos Z. Patrikakis, Nikolaos D. Doulamis, Elias Z. Tragos