Ioannis Patiniotakis
National Technical University of Athens
33 Papers
155 Citations
Ioannis Patiniotakis is an academic researcher from National Technical University of Athens. The author has contributed to research in topics: Cloud computing & Access control. The author has an hindex of 10, co-authored 31 publications. Previous affiliations of Ioannis Patiniotakis include University of Sheffield & National and Kapodistrian University of Athens.
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Papers
PuLSaR: preference-based cloud service selection for cloud service brokers
TL;DR: This paper discusses the Preference-based cLoud Service Recommender (PuLSaR) that uses a holistic multi-criteria decision making (MCDM) approach for offering optimisation as a brokerage service and deals with the fuzziness of imprecise metrics.
Managing Imprecise Criteria in Cloud Service Ranking with a Fuzzy Multi-criteria Decision Making Method
Ioannis Patiniotakis,Stamatia Rizou,Yiannis Verginadis,Gregoris Mentzas +3 more
- 11 Sep 2013
TL;DR: An alternative classification of metrics used for ranking cloud services based on their level of fuzziness is discussed and an approach that allows cloud service evaluation based on a heterogeneous model of service characteristics is presented.
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AC-ABAC: Attribute-based access control for electronic medical records during acute care
Marcela T. de Oliveira,Yiannis Verginadis,Lucio H. A. Reis,Evgenia Psarra,Ioannis Patiniotakis,Silvia D. Olabarriaga +5 more
TL;DR: In this article , the authors proposed a methodology to define dynamic and fine-grained access control to medical data in acute care situations, and applied this methodology with the Amsterdam University Medical Center acute stroke care teams.
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Achieving security-by-design through ontology-driven attribute-based access control in cloud environments
Simeon Veloudis,Iraklis Paraskakis,Christos Petsos,Yannis Verginadis,Ioannis Patiniotakis,Panagiotis Gouvas,Gregoris Mentzas +6 more
TL;DR: The proposed approach enables stakeholders to accurately define the structure of their policies, in terms of relevant knowledge artefacts, and thus infuse into these policies their particular security and business requirements, which clearly leads to more effective policies.
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Context-aware Policy Enforcement for PaaS-enabled Access Control
Yiannis Verginadis,Ioannis Patiniotakis,Panagiotis Gouvas,Spyros Mantzouratos,Simeon Veloudis,Sebastian Thomas Schork,Ludwig Seitz,Iraklis Paraskakis,Gregoris Mentzas +8 more
TL;DR: This work presents PaaSword: a novel holistic access control framework—essentially a PaaS offering—that extends the popular XACML standard with semantic reasoning capabilities that support the federation of effective context-aware access control policies and their infusion into cloud applications with minimal manual intervention and effort.
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