Search Results - "Papaioannou, Thanasis G."

REPUTABLE-A Decentralized Reputation System for Blockchain-Based Ecosystems by Arshad, Junaid, Azad, Muhammad Ajmal, Prince, Alousseynou, Ali, Jahid, Papaioannou, Thanasis G.

“…Reputation systems are an important means to facilitate trustworthy interactions between on-and off-chain services and users. However, contemporary reputation…”
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Win–Win Coordination between RES and DR Aggregators for Mitigating Energy Imbalances under Flexibility Uncertainty by Krasopoulos, Christos T., Papaioannou, Thanasis G., Stamoulis, George D., Ntavarinos, Nikolaos, Patouni, Malamatenia D., Simoglou, Christos K., Papakonstantinou, Athanasios

“…The integration of renewable rnergy sources (RESs) into the power grid involves operational challenges due to the inherent RES energy-production variability…”
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User-side adaptive protection of location privacy in participatory sensing by Agir, Berker, Papaioannou, Thanasis G., Narendula, Rammohan, Aberer, Karl, Hubaux, Jean-Pierre

“…The participatory sensing paradigm, through the growing availability of cheap sensors in mobile devices, enables applications of great social and business…”
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An IoT-Based Gamified Approach for Reducing Occupants' Energy Wastage in Public Buildings by Papaioannou, Thanasis G, Dimitriou, Nikos, Vasilakis, Kostas, Schoofs, Anthony, Nikiforakis, Manolis, Pursche, Fabian, Deliyski, Nikolay, Taha, Amr, Kotsopoulos, Dimosthenis, Bardaki, Cleopatra, Kotsilitis, Sarantis, Garbi, Anastasia

“…Conserving energy amenable to the activities of occupants in public buildings is a particularly challenging objective that includes associating energy…”
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A mechanism that provides incentives for truthful feedback in peer-to-peer systems by Papaioannou, Thanasis G., Stamoulis, George D.

“…We propose a mechanism for providing the incentives for reporting truthful feedback in a peer-to-peer system for exchanging services (or content). This…”
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Reputation-based policies that provide the right incentives in peer-to-peer environments by Papaioannou, Thanasis G., Stamoulis, George D.

“…Peer-to-peer are popular environments for exchanging services. A reputation mechanism is a proper means of discovering low-performing peers that fail to…”
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Cost-efficient and differentiated data availability guarantees in data clouds by Bonvin, Nicolas, Papaioannou, Thanasis G, Aberer, Karl

“…Failures of any type are common in current datacenters. As data scales up, its availability becomes more complex, while different availability levels per…”
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Trustworthy Decentralized Management and Governance of Internet of Things Data Federations by Athanasakis, Evangelos, Sakellariou, Zisis, Darzanos, George, Polymeni, Sofia, Spanos, Georgios, Papaioannou, Thanasis G., Votis, Konstantinos, Tzovaras, Dimitrios

“…Without a doubt the Internet of Things (IoT) paradigm has been gaining attention over the last years. With the deployment of low cost sensors, a plethora of…”
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An Optimization Framework for Effective Flexibility Management for Prosumers by Papaioannou, Thanasis G., Stamoulis, George D.

“…Energy flexibility management can significantly support the smoother and more cost-effective green transformation of the energy mix. However, effective…”
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Flexibility Management for Residential Users Under Participation Uncertainty by Krasopoulos, Christos T., Papaioannou, Thanasis G., Stamoulis, George D.

“…Demand flexibility management, often by means of Demand Response (DR), can significantly enhance the stability of the electric grid and reduce the investment…”
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Virtual CDN Providers: Profit Maximization through Collaboration by Papaioannou, Thanasis G., Katsalis, Kostas, Sourlas, Vasilis, Amditis, Angelos

“…The proliferation of mobile devices with ubiquitous Internet access has made content access patterns highly volatile and spatio- temporally varying. At the…”
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Optimal Design of Serious Games for Consumer Engagement in the Smart Grid by Papaioannou, Thanasis G., Hatzi, Vassiliki, Koutsopoulos, Iordanis

“…Serious games are a promising approach for demand-side management that aims to higher user engagement and active participation. In this paper,<xref rid="fn1"…”
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Semantic Web and blockchain technologies: Convergence, challenges and research trends by Shkembi, Klevis, Kochovski, Petar, Papaioannou, Thanasis G., Barelle, Caroline, Stankovski, Vlado

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Design of a charging and accounting architecture for QoS-differentiated VPN services to mobile users by Papaioannou, Thanasis G, Stamoulis, George D

“…In the emerging context of mobile Internet, the importance of VPN services is rapidly increasing. Provision of such services was among the subjects of IST…”
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An Economic Approach for Scalable and Highly-Available Distributed Applications by Bonvin, Nicolas, Papaioannou, Thanasis G, Aberer, Karl

“…Service-oriented architecture (SOA) paradigm for orchestrating large-scale distributed applications offers significant cost savings by reusing existing…”
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Efficient Indexing and Query Processing of Model-View Sensor Data in the Cloud by Guo, Tian, Papaioannou, Thanasis G., Aberer, Karl

“…As the number of sensors that pervade our lives increases (e.g., environmental sensors, phone sensors, etc.), the efficient management of massive amount of…”
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Efficient Agent-Based Selection of DiffServ SLAs over MPLS Networks Within the ASP Service Model by Papaioannou, Thanasis G, Sartzetakis, Stelios, Stamoulis, George D

“…The demand for QoS provisioning support over Internet grows continuously. One of the factors contributing to this demand is the increasing penetration of…”
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Effective Metadata Management in Federated Sensor Networks by Hoyoung Jeung, Sarni, Sofiane, Paparrizos, Ioannis, Sathe, Saket, Aberer, Karl, Dawes, Nicholas, Papaioannou, Thanasis G, Lehning, Michael

“…As sensor networks become increasingly popular, heterogeneous sensor networks are being interconnected into federated sensor networks and provide huge volumes…”
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Reputation-based estimation of individual performance in collaborative and competitive grids by Papaioannou, Thanasis G., Stamoulis, George D.

“…Hidden information is a critical issue for the successful delivery of services in grid systems. It arises when the agents (hardware and software resources)…”
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Towards a Blockchain-Enabled Trustworthy Market Framework by Papaioannou, Thanasis G., Mantzonis, Dimitris, Ritas, Vaios

“…Transacting entities online may still become victims of fraud, cyber-threats, low quality or performance, privacy loss, unfair pricing, biases in matching…”
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