Theo Dimitrakos

76 papers B 5C 11Misc 3Journal 11Unranked 35

Year	Rank	Type	Title / Venue / Authors
2025	B	`conf`	An Optimized Framework for DSPG Synthesis and Trust Network Analysis with Subjective Logic. RuleML+RR Koffi Ismael Ouattara, Ana Petrovska, Ioannis Krontiris, Theo Dimitrakos, Frank Kargl
2025	J	`jnl`	Assessing Trustworthiness of AI Training Dataset using Subjective Logic - A Use Case on Bias. CoRR Koffi Ismael Ouattara, Ioannis Krontiris, Theo Dimitrakos, Frank Kargl
2025	C	`conf`	Coordinated Enforcement of Obligations in Distributed Usage Control Systems [Work In Progress Paper]. SACMAT Hussein Joumaa, Ali Hariri, Theo Dimitrakos, Bruno Crispo
2025	J	`jnl`	PaTAS: A Framework for Trust Propagation in Neural Networks Using Subjective Logic. CoRR Koffi Ismael Ouattara, Ioannis Krontiris, Theo Dimitrakos, Dennis Eisermann, Houda Labiod, Frank Kargl
2025	C	`conf`	Quantifying Calibration Error in Neural Networks Through Evidence-Based Theory. FUSION Koffi Ismael Ouattara, Ioannis Krontiris, Theo Dimitrakos, Frank Kargl
2024	C	`conf`	Obligation Management Framework for Usage Control. SACMAT Hussein Joumaa, Ali Hariri, Ana Petrovska, Oleksii Osliak, Theo Dimitrakos, Bruno Crispo
2024	C	`conf`	On Subjective Logic Trust Discount for Referral Paths. FUSION Koffi Ismael Ouattara, Ana Petrovska, Artur Hermann, Natasa Trkulja, Theo Dimitrakos, Frank Kargl
2024	—	`conf`	SecPol: Enabling Security Policy Control in Vehicle Networks using Intrusion Detection and Hardware Trust. CSCS Florian Fenzl, Jonathan Stancke, Christian Plappert, Roland Rieke, Felix Clemens Gail, Theo Dimitrakos, Hussein Joumaa
2024	C	`conf`	Static and Dynamic Analysis of a Usage Control System. SACMAT Ulrich Schöpp, Fathiyeh Faghih, Subhajit Bandopadhyay, Hussein Joumaa, Amjad Ibrahim, Chuangjie Xu, Xin Ye, Theo Dimitrakos
2024	—	`conf`	Towards Robust Trust Frameworks for Data Exchange: A Multidisciplinary Inquiry. Open Identity Summit Aytaj Badirova, Bithin Alangot, Theo Dimitrakos, Ramin Yahyapour
2023	—	`conf`	A shared responsibility model to support cross border and cross organizational federation on top of decentralized and self-sovereign identity: Architecture and first PoC. Open Identity Summit Michael Kubach, Isaac Henderson, Bithin Alangot, Theo Dimitrakos, Juan Vargas, Matthias Winterstetter, Ioannis Krontiris
2023	—	`conf`	Continuous Authorization Architecture for Dynamic Trust Evaluation. IFIPTM Hussein Joumaa, Ana Petrovska, Ali Hariri, Theo Dimitrakos, Bruno Crispo
2023	C	`conf`	Specifying a Usage Control System. SACMAT Ulrich Schöpp, Chuangjie Xu, Amjad Ibrahim, Fathiyeh Faghih, Theo Dimitrakos
2023	—	`conf`	Trust Level Evaluation Engine for Dynamic Trust Assessment with Reference to Subjective Logic. IFIPTM Ana Petrovska, Gabriele Gelardi, Hüseyin Demirci, Emre Kocyigit, Gabriele Lenzini, Artur Hermann, Natasa Trkulja, Frank Kargl, Ioannis Krontiris, Theo Dimitrakos
2022	C	`conf`	WiP: Metamodel for Continuous Authorisation and Usage Control. SACMAT Ali Hariri, Amjad Ibrahim, Theo Dimitrakos, Bruno Crispo
2021	J	`jnl`	Certification-Based Cloud Adaptation. IEEE Trans. Serv. Comput. Claudio A. Ardagna, Rasool Asal, Ernesto Damiani, Theo Dimitrakos, Nabil El Ioini, Claus Pahl
2021	—	`conf`	DataPAL: Data Protection and Authorization Lifecycle framework. SEEDA-CECNSM Subhajit Bandopadhyay, Theo Dimitrakos, Yair Diaz, Ali Hariri, Tezcan Dilshener, Antonio La Marra, Alessandro Rosetti
2021	—	`conf`	Handling Meta Attribute Information in Usage Control Policies (Short Paper). ETAA Theo Dimitrakos, Tezcan Dilshener, Alexander Kravtsov, Antonio La Marra, Fabio Martinelli, Athanasios Rizos, Alessandro Rosetti
2021	Misc	`conf`	SIUV: A Smart Car Identity Management and Usage Control System Based on Verifiable Credentials. SEC Ali Hariri, Subhajit Bandopadhyay, Athanasios Rizos, Theo Dimitrakos, Bruno Crispo, Muttukrishnan Rajarajan
2021	C	`conf`	Towards Collaborative Cyber Threat Intelligence for Security Management. ICISSP Oleksii Osliak, Andrea Saracino, Fabio Martinelli, Theo Dimitrakos
2020	—	`conf`	A Comparison Among Policy Editors for Attributed Based Access Control Model. ETAA@ESORICS Fabio Martinelli, Christina Michailidou, Oleksii Osliak, Alessandro Rosetti, Antonio La Marra, Theo Dimitrakos
2020	J	`jnl`	Session-dependent Usage Control for Big Data. J. Internet Serv. Inf. Secur. Gabriele Baldi, Yair Diaz-Tellez, Theo Dimitrakos, Fabio Martinelli, Christina Michailidou, Paolo Mori, Oleksii Osliak, Andrea Saracino
2020	B	`conf`	Trust Aware Continuous Authorization for Zero Trust in Consumer Internet of Things. TrustCom Theo Dimitrakos, Tezcan Dilshener, Alexander Kravtsov, Antonio La Marra, Fabio Martinelli, Athanasios Rizos, Alessandro Rosetti, Andrea Saracino
2019	—	`conf`	A Framework for Blockchain-Based Verification of Integrity and Authenticity. IFIPTM Anirban Basu, Theo Dimitrakos, Yuto Nakano, Shinsaku Kiyomoto
2019	B	`conf`	Data Protection as a Service in the Multi-Cloud Environment. CLOUD Maurizio Colombo, Rasool Asal, Quang Hieu Hieu, Fadi Ali El-Moussa, Ali Sajjad, Theo Dimitrakos
2018	—	`conf`	How to Develop a Security Controls Oriented Reference Architecture for Cloud, IoT and SDN/NFV Platforms. IFIPTM Theo Dimitrakos
2016	—	`conf`	A Certification Technique for Cloud Security Adaptation. SCC Claudio A. Ardagna, Rasool Asal, Ernesto Damiani, Nabil El Ioini, Claus Pahl, Theo Dimitrakos
2016	—	`conf`	Deploying Visual Analytics Through a Multi-cloud Service Store with Encrypted Big Data (Short Paper). OTM Conferences Mark Shackleton, Fadi Ali El-Moussa, Robert Rowlingson, Alex Healing, John Crowther, Joshua Daniel, Theo Dimitrakos, Ali Sajjad
2016	—	`conf`	Managed security service distribution model. CCIS Gery Ducatel, Joshua Daniel, Theo Dimitrakos, Fadi Ali El-Moussa, Robert Rowlingson, Ali Sajjad
2015	—	`conf`	A Cloud Orchestrator for Deploying Public Services on the Cloud - The Case of STRATEGIC Project. IFIPTM Panagiotis Gouvas, Konstantinos Kalaboukas, Giannis Ledakis, Theo Dimitrakos, Joshua Daniel, Gery Ducatel, Nuria Rodriguez Dominguez
2015	J	`jnl`	A scalable and dynamic application-level secure communication framework for inter-cloud services. Future Gener. Comput. Syst. Ali Sajjad, Muttukrishnan Rajarajan, Andrea Zisman, Theo Dimitrakos
2015	—	`conf`	Foreword: Towards Trusted Cloud Ecosystems. IFIPTM Theo Dimitrakos
2015	—	`conf`	Integrating Security Services in Cloud Service Stores. IFIPTM Joshua Daniel, Fadi Ali El-Moussa, Gery Ducatel, Pramod S. Pawar, Ali Sajjad, Robert Rowlingson, Theo Dimitrakos
2015	—	`conf`	Secure Cloud Storage: A framework for Data Protection as a Service in the multi-cloud environment. CNS Quang Hieu Vu, Maurizio Colombo, Rasool Asal, Ali Sajjad, Fadi Ali El-Moussa, Theo Dimitrakos
2015	—	`conf`	Security-as-a-Service in Multi-cloud and Federated Cloud Environments. IFIPTM Pramod S. Pawar, Ali Sajjad, Theo Dimitrakos, David W. Chadwick
2015	—	`ed.`	Trust Management IX - 9th IFIP WG 11.11 International Conference, IFIPTM 2015, Hamburg, Germany, May 26-28, 2015, Proceedings IFIPTM Christian Damsgaard Jensen, Stephen Marsh, Theo Dimitrakos, Yuko Murayama
2014	—	`conf`	A Low-Overhead Secure Communication Framework for an Inter-cloud Environment. ICC Ali Sajjad, Muttukrishnan Rajarajan, Theo Dimitrakos
2014	—	`conf`	CloudJet4BigData: Streamlining Big Data via an Accelerated Socket Interface. BigData Congress Frank Zhigang Wang, Theo Dimitrakos, Na Helian, Sining Wu, Ling Li, Rodric Yates
2014	Misc	`conf`	Context-Aware Multifactor Authentication Based on Dynamic Pin. SEC Yair Diaz-Tellez, Eliane L. Bodanese, Theo Dimitrakos, Michael Turner
2014	B	`conf`	Data Interface All-iN-A-Place (DIANA) for Big Data. TrustCom Frank Zhigang Wang, Theo Dimitrakos, Na Helian, Sining Wu, Yuhui Deng, Ling Li, Rodric Yates
2014	—	`conf`	Mirroring Mobile Phone in the Clouds. IEEE MS Bin Ye, Frank Zhigang Wang, Ling Li, Na Helian, Theo Dimitrakos
2014	—	`conf`	Trust Assessment Using Cloud Broker. IFIPTM Pramod S. Pawar, Muttukrishnan Rajarajan, Theo Dimitrakos, Andrea Zisman
2013	—	`conf`	Privacy-Preserving Collaborative Filtering on the Cloud and Practical Implementation Experiences. IEEE CLOUD Anirban Basu, Jaideep Vaidya, Hiroaki Kikuchi, Theo Dimitrakos
2013	—	`conf`	Secure Execution Context Enforcement Framework Based on Activity Detection on Data and Applications Hosted on Smart Devices. SocialCom Yair Diaz-Tellez, Eliane L. Bodanese, Fadi Ali El-Moussa, Theo Dimitrakos
2013	—	`conf`	Trust Model for Cloud Based on Cloud Characteristics. IFIPTM Pramod S. Pawar, Muttukrishnan Rajarajan, Theo Dimitrakos, Andrea Zisman
2012	—	`conf`	A Perspective on the Evolution of the International Trust Management Research Community in the Last Decade. IFIPTM Theo Dimitrakos
2012	B	`conf`	An Architecture for the Enforcement of Privacy and Security Requirements in Internet-Centric Services. TrustCom Yair Diaz-Tellez, Eliane L. Bodanese, Srijith K. Nair, Theo Dimitrakos
2012	Misc	`conf`	Feasibility of a privacy preserving collaborative filtering scheme on the Google App Engine: a performance case study. SAC Anirban Basu, Jaideep Vaidya, Theo Dimitrakos, Hiroaki Kikuchi
2012	J	`jnl`	OPTIMIS: A holistic approach to cloud service provisioning. Future Gener. Comput. Syst. Ana Juan Ferrer, Francisco Hernández-Rodriguez, Johan Tordsson, Erik Elmroth, Ahmed Ali-Eldin, Csilla Zsigri, Raül Sirvent, Jordi Guitart, Rosa M. Badia, Karim Djemame, Wolfgang Ziegler, Theo Dimitrakos, Srijith K. Nair, George Kousiouris, Kleopatra Konstanteli, Theodora A. Varvarigou, Benoit Hudzia, Alexander Kipp, Stefan Wesner, Marcelo Corrales, Nikolaus Forgó, Tabassum Sharif, Craig Sheridan
2012	—	`conf`	Opinion Model Based Security Reputation Enabling Cloud Broker Architecture. CloudComp Pramod S. Pawar, Srijith K. Nair, Fadi Ali El-Moussa, Theo Dimitrakos, Muttukrishnan Rajarajan, Andrea Zisman
2012	J	`jnl`	Privacy preserving collaborative filtering for SaaS enabling PaaS clouds. J. Cloud Comput. Anirban Basu, Jaideep Vaidya, Hiroaki Kikuchi, Theo Dimitrakos, Srijith K. Nair
2012	J	`jnl`	SOA-based security governance middleware CoRR Pierre de Leusse, Theo Dimitrakos
2012	—	`conf`	Secure communication using dynamic VPN provisioning in an Inter-Cloud environment. ICON Ali Sajjad, Andrea Zisman, Muttukrishnan Rajarajan, Srijith K. Nair, Theo Dimitrakos
2012	J	`jnl`	Securing business operations in an SOA CoRR Theo Dimitrakos, David Brossard, Pierre de Leusse
2012	J	`jnl`	Self Managed Security Cell, a security model for the Internet of Things and Services CoRR Pierre de Leusse, Panos Periorellis, Theo Dimitrakos, Srijith K. Nair
2012	—	`ed.`	Trust Management VI - 6th IFIP WG 11.11 International Conference, IFIPTM 2012, Surat, India, May 21-25, 2012. Proceedings IFIPTM Theo Dimitrakos, Rajat Moona, Dhiren R. Patel, D. Harrison McKnight
2011	—	`conf`	Demonstration of the OPTIMIS Toolkit for Cloud Service Provisioning. ServiceWave Rosa M. Badia, Marcelo Corrales, Theo Dimitrakos, Karim Djemame, Erik Elmroth, Ana Juan Ferrer, Nikolaus Forgó, Jordi Guitart, Francisco Hernández-Rodriguez, Benoit Hudzia, Alexander Kipp, Kleopatra Konstanteli, George Kousiouris, Srijith K. Nair, Tabassum Sharif, Craig Sheridan, Raül Sirvent, Johan Tordsson, Theodora A. Varvarigou, Stefan Wesner, Wolfgang Ziegler, Csilla Zsigri
2011	C	`conf`	Privacy-preserving Collaborative Filtering for the Cloud. CloudCom Anirban Basu, Jaideep Vaidya, Hiroaki Kikuchi, Theo Dimitrakos
2011	—	`conf`	Regulatory Impact of Data Protection and Privacy in the Cloud. IFIPTM Sakshi Porwal, Srijith K. Nair, Theo Dimitrakos
2010	—	`conf`	An Efficient Secure Shared Storage Service with Fault and Investigative Disruption Tolerance. ICPP Workshops Stelios Erotokritou, Srijith K. Nair, Theo Dimitrakos
2010	—	`ch.`	Approach Towards Technical Innovations for Service Oriented Infrastructures and Clouds. Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise Theo Dimitrakos, Angelo Gaeta, Craig Thomson
2010	—	`ch.`	Aspects of General Security & Trust. Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise David Brossard, Theo Dimitrakos, Angelo Gaeta, Stéphane Mouton
2010	—	`ch.`	Bringing it all Together. Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise Angelo Gaeta, Theo Dimitrakos, David Brossard, Robert B. Piotter, Horst Schwichtenberg, André Gemünd, Efstathios Karanastasis, Igor Rosenberg, Ana Maria Juan Ferrer, Craig Thomson
2010	—	`ch.`	Common Capabilities for Service Oriented Infrastructures - Grid and Cloud Computing. Grid and Cloud Computing Theo Dimitrakos
2010	—	`conf`	Common Capabilities for Service Oriented Infrastructures and Platforms: An Overview. ECOWS Theo Dimitrakos
2010	—	`ch.`	Introduction. Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise Theo Dimitrakos
2010	—	`conf`	SOA-Based Security Governance Middleware. SECURWARE Pierre de Leusse, Theo Dimitrakos
2010	—	`book`	Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise, A selection of common capabilities validated in real-life business trials by the BEinGRID consortium. Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise Theo Dimitrakos, Josep Martrat, Stefan Wesner
2010	J	`jnl`	Special issue on security and trust management for dynamic coalitions. Secur. Commun. Networks Theo Dimitrakos, Fabio Martinelli, Bruce Schneier
2010	—	`ch.`	The BEinGRID Project. Grid and Cloud Computing Theo Dimitrakos
2010	—	`conf`	Towards Secure Cloud Bursting, Brokerage and Aggregation. ECOWS Srijith K. Nair, Sakshi Porwal, Theo Dimitrakos, Ana Juan Ferrer, Johan Tordsson, Tabassum Sharif, Craig Sheridan, Muttukrishnan Rajarajan, Afnan Ullah Khan
2010	—	`ch.`	Virtual Hosting Environments for Online Gaming. Grid and Cloud Computing David Brossard, Francesco D'Andria, Theo Dimitrakos, Angelo Gaeta
2007	C	`conf`	Design patterns for secure virtual organization management architecture. SecureComm Angelo Gaeta, Matteo Gaeta, Alan Smith, Ivan Djordjevic, Theo Dimitrakos, Maurizio Colombo, Sergio Miranda
2006	—	`conf`	The TrustCoM Approach to Enforcing Agreements between Interoperating Enterprises. I-ESA Michael D. Wilson, Alvaro Arenas, David W. Chadwick, Theo Dimitrakos, Jürgen Doser, Pablo Giambiagi, David Golby, Christian Geuer-Pollmann, Jochen Haller, Ketil Stølen, Tobias Mahler, Lorenzo Martino, Xavier Parent, Santi Ristol, J. Sairamesh, Lutz Schubert, Nilufer Tuptuk
2005	C	`conf`	Toward Web Services Profiles for Trust and Security in Virtual Organisations. PRO-VE Alvaro E. Arenas, Ivan Djordjevic, Theo Dimitrakos, Leonid Titkov, Joris Claessens, Christian Geuer-Pollmann, Emil C. Lupu, Nilufer Tuptuk, Stefan Wesner, Lutz Schubert
1998	—	`—`	Formal support for specification, design and implementation. Theo Dimitrakos