Papaioannou TG, Kochovski P, Shkembi K, Barelle C, Simonet-Boulogne A, Ciaramella M, Ciaramella A, Stankovski V. A Blockchain-based, Semantically-enriched Software Framework for Trustworthy Decentralized Applications. Submitted.

Kotsopoulos D, Bardaki C, Papaioannou TG. Determinants of Employees’ Personal and Collective Energy Consumption and Conservation at Work. Sustainability. 2023;15:4913.

Krasopoulos C, Papaioannou TG, Stamoulis GD. Flexibility Management for Residential Users Under Participation Uncertainty. In: IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm '22). ; 2022.

Papaioannou TG, Stamoulis GD. An Optimization Framework for Effective Flexibility Management for Prosumers. In: IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm '22). ; 2022.

Papaioannou TG, Stamoulis GD. A Business Model for Multi-Tiered Decentralized Software Frameworks: The Case of ONTOCHAIN. In: International Conference on the Economics of Grids, Clouds, Systems, and Services (GECON '22). ; 2022.

Arshad J, Azad MA, Prince A, Ali J, Papaioannou TG. REPUTABLE–A Decentralized Reputation System for Blockchain-Based Ecosystems. IEEE Access. 2022;10:79948–79961.

Shkembi K, Kochovski P, Papaioannou TG, Simonet-Boulogne A, Ciaramella M, Barelle C, Stankovski V. The semantic web and blockchain at a meeting point. In: Proceedings of the 30th International Electrotechnical and Computer Science Conference (ERK 2021). https://doi.org/10.5281/zenodo.7428085; 2021. pp. 313–316.

Papaioannou TG, Stankovski V, Kochovski P, Simonet-Boulogne A, Barelle C, Ciaramella A, Ciaramella M, Stamoulis GD. A New Blockchain Ecosystem for Trusted, Traceable and Transparent Ontological Knowledge Management: Position Paper. In: Economics of Grids, Clouds, Systems, and Services: 18th International Conference, GECON 2021, Virtual Event, September 21–23, 2021, Proceedings 18. Springer International Publishing; 2021. pp. 93–105.

Kotsopoulos D, Bardaki C, Papaioannou TG, Pramatari K, Stamoulis GD. User-centered gamification: The case of IoT-enabled energy conservation at work. International Journal of E-Services and Mobile Applications (IJESMA). 2020;12:15–39.

Kotsopoulos D, Bardaki C, Papaioannou TG, Lounis S, Stamoulis GD, Pramatari K. Designing a serious game to motivate energy savings in a museum: Opportunities & challenges. In: Games and Learning Alliance: 8th International Conference, GALA 2019, Athens, Greece, November 27–29, 2019, Proceedings 8. Springer International Publishing; 2019. pp. 572–584.

Papaioannou TG, Katsalis K, Sourlas V, Amditis A. Virtual CDN Providers: Profit Maximization through Collaboration. In: 2019 IEEE Global Communications Conference (GLOBECOM). IEEE; 2019. pp. 1–6.

Kotsopoulos D, Bardaki C, Papaioannou TG, Lounis S, Pramatari K. AGILE USER-CENTERED DESIGN OF AN IOT-ENABLED GAMIFIED INTERVENTION FOR ENERGY CONSERVATION AT THE WORKPLACE. IADIS International Journal on WWW/Internet. 2018;16.

Dimitriou N, Garbi A, Vasilakis K, Schoofs A, Taha A, Nikiforakis M, Kotsilitis S, Papaioannou TG, Kotsopoulos D, Bardaki C, et al. ChArGED: Implementing a framework for improving energy efficiency in public buildings through IoTenabled energy disaggregation and serious games. In: 2018 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops). IEEE; 2018. pp. 65–70.

Kotsopoulos D, Bardaki C, Thanasis PG, Lounis S, Pramatari K. Gamification at Work: Employee Motivations to Participate and Preference for Energy Conservation. 2018.

Papaioannou TG, Stamoulis GD, Minou M. Personalized feedback-based customer incentives in automated demand response. In: 2018 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm). IEEE; 2018. pp. 1–7.

Papaioannou TG, Vasilakis K, Dimitriou N, Garbi A, Schoofs A. A sensor-enabled rule engine for changing energy-wasting behaviours in public buildings. In: 2018 IEEE International Energy Conference (ENERGYCON). IEEE; 2018. pp. 1–6.

Papaioannou TG, Stamoulis GD, Minou M. Adequate feedback-based customer incentives in automated demand response. In: Proceedings of the Ninth International Conference on Future Energy Systems. ; 2018. pp. 38–42.

Papaioannou TG, Dimitriou N, Vasilakis K, Schoofs A, Nikiforakis M, Pursche F, Deliyski N, Taha A, Kotsopoulos D, Bardaki C, et al. An IoT-based gamified approach for reducing occupants’ energy wastage in public buildings. Sensors. 2018;18:537.

Kotsopoulos D, Bardaki C, Papaioannou TG, andKaterina Pramatari SL. DESIGNING AN IOT-ENABLED GAMIFIED APP FOR EMPLOYEE ENERGY CONSERVATION AT THE WORKPLACE. e-Society 2018. 2018:55.

Kotsopoulos D, Thanasis PG, Stamoulis GD, Pramatari K. An Exploration Of Parameters Affecting Employee Energy Conversation Behaviour At The Workplace, Towards IOT-Enabled Behavioural Interventions. In: MCIS. ; 2017. pp. 27.

Kotsopoulos D, Bardaki C, Lounis S, Thanasis PG, Pramatari K. Designing an iot-enabled gamification application for energy conservation at the workplace: Exploring personal and contextual characteristics. 2017.

Minou M, Stamoulis GD, Papaioannou TG. The effect of altruism in automated demand response for residential users. In: 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe). IEEE; 2017. pp. 1–6.

Papaioannou TG, Kotsopoulos D, Bardaki C, Lounis S, Dimitriou N, Boultadakis G, Garbi A, Schoofs A. IoT-enabled gamification for energy conservation in public buildings. In: 2017 Global Internet of Things Summit (GIoTS). IEEE; 2017. pp. 1–6.

Katsomallos M, Lalis S, Papaioannou T, Theodorakopoulos G. An open framework for flexible plug-in privacy mechanisms in crowdsensing applications. In: 2017 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops). IEEE; 2017. pp. 237–242.

Papaioannou TG, Stamoulis GD. Teaming and competition for demand-side management in office buildings. In: 2017 IEEE International Conference on Smart Grid Communications (SmartGridComm). IEEE; 2017. pp. 332–337.

Lounis S, Kotsopoulos D, Bardaki C, Papaioannou TG, Pramatari K. Waste no more: Gamification for energy efficient behaviour at the workplace. In: GamiFIN. ; 2017. pp. 129–134.

Ağir B. Context and Semantic Aware Location Privacy. 2016.

Koutsopoulos I, Papaioannou TG, Hatzi V, others. Modeling and optimization of the smart grid ecosystem. Foundations and Trends® in Networking. 2016;10:115–316.

Papaioannou TG, Koutsopoulos I, Hatzi V. Optimal Design of Serious Games for Consumer Engagement in the Smart. Transactions on Smart Grid. 2016.

Papaioannou TG, Hatzi V, Koutsopoulos I. Optimal design of serious games for consumer engagement in the smart grid. IEEE Transactions on Smart Grid. 2016;9:1241–1249.

Katsalis K, Papaioannou TG, Nikaein N, Tassiulas L. SLA-driven VM Scheduling in Mobile Edge Computing. IEEE CLOUD. 2016.

Vakili G, Papaioannou TG, Aberer K. On the emergence of semantic agreement among rational agents. In: Web Intelligence. Vol. 13. IOS Press; 2015. pp. 295–312.

Katsalis K, Sourlas V, Papaioannou T, Korakis T, Tassiulas L. Content Placement in Heterogeneous End-to-End Virtual Networks. In: 30th Annual ACM Symposium on Applied Computing (SAC). ; 2015.

Wang X, Papaioannou TG, Tiropanis T, Morando F. EINS Evidence Base: A Semantic Catalogue for Internet Experimentation and Measurement. In: Internet Science: Second International Conference, INSCI 2015, Brussels, Belgium, May 27-29, 2015, Proceedings 2. Springer International Publishing; 2015. pp. 90–99.

Brown I, Bygrave L, de Meer H, He X, Herkenhöner R, Mantelero A, Niedermeier M, Papaioannou T, Pierson J, Prandini M, et al. A roadmap for IoT/cloud/distributed sensor net privacy mechanisms (D5. 2). 2014.

Guo T, Papaioannou TG, Aberer K. Efficient indexing and query processing of model-view sensor data in the cloud. Big Data Research. 2014;1:52–65.

Papaioannou TG, Hatzi V, Koutsopoulos I. Optimal Design of Serious Games for Demand Side Management. In: SmartGridComm. IEEE; 2014.

Wierzbicki A, Adamska P, Abramczuk K, Papaioannou T, Aberer K, Rejmund E. Studying web content credibility by social simulation. Journal of Artificial Societies and Social Simulation. 2014;17:6.

Bonvin N, Papaioannou A, Aberer K. System and Method for Optimizing Data Storage in a Distributed Data Storage Environment. 2014.

Guo T, Papaioannou TG, Zhuang H, Aberer K. Online indexing and distributed querying model-view sensor data in the cloud. In: Database Systems for Advanced Applications: 19th International Conference, DASFAA 2014, Bali, Indonesia, April 21-24, 2014. Proceedings, Part I 19. Springer International Publishing; 2014. pp. 28–46.

Agir B, Papaioannou TG, Narendula R, Aberer K, Hubaux J-P. User-side adaptive protection of location privacy in participatory sensing. GeoInformatica. 2014;18:165–191.

Uttama-Nambi SN A, Papaioannou TG, Chakraborty D, Aberer K. Sustainable energy consumption monitoring in residential settings. 2013.

Lannoo B, Lambert S, Heddeghem WV, Pickavet M, Kuipers F, Koutitas G, Niavis H, Satsiou A, Beck MT, Fischer A, et al. Overview of ict energy consumption (deliverable 8.1). EU Project FP7-2888021, European Network of Excellence in Internet Science. 2013.

Lannoo B, Lambert S, Van Heddeghem W, Pickavet M, Kuipers F, Koutitas G, Niavis H, Satsiou A, Beck MT, Fischer A, et al. Overview of ict energy consumption (deliverable 8.1). Report of the EU FP7 Project FP7-2888021. 2013.

Lannoo B, Lambert S, Van Heddeghem W, Pickavet M, Kuipers F, Koutitas G, Niavis H, Satsiou A, Till M, Beck AF, et al. D8. 1. Overview of ICT energy consumption. 2013.

Wijaya TK, Banerjee D, Ganu T, Chakraborty D, Battacharya S, Papaioannou T, Seetharam DP, Aberer K. DRSim: A cyber physical simulator for demand response systems. In: 2013 IEEE International Conference on Smart Grid Communications (SmartGridComm). IEEE; 2013. pp. 217–222.

Wijaya TK, Papaioannou TG, Liu X, Aberer K. Effective consumption scheduling for demand-side management in the smart grid using non-uniform participation rate. In: 2013 Sustainable Internet and ICT for Sustainability (SustainIT). IEEE; 2013. pp. 1–8.

Guo T, Papaioannou TG, Aberer K. Model-view sensor data management in the cloud. In: 2013 IEEE International Conference on Big Data. IEEE; 2013. pp. 282–290.

Lannoo B, Lambert S, Van Heddeghem W, Pickavet M, Kuipers F, Koutitas G, Niavis H, Satsiou A, Beck MT, Fischer A, et al. Overview of ICT energy consumption (deliverable 8.1). Deliverable D8. 2013;1:2013.

Sathe S, Papaioannou TG, Jeung H, Aberer K. A survey of model-based sensor data acquisition and management. Managing and mining sensor data. 2013:9–50.

Nambi SNAU, Papaioannou TG, Chakraborty D, Aberer K. Sustainable energy consumption monitoring in residential settings. In: 2013 Proceedings Ieee Infocom. Ieee; 2013. pp. 3177–3182.

Riahi M, Papaioannou TG, Trummer I, Aberer K. Utility-driven data acquisition in participatory sensing. In: Proceedings of the 16th International Conference on Extending Database Technology. ; 2013. pp. 251–262.

Agir B, Papaioannou TG, Narendula R, Aberer K, Hubaux J-P. Adaptive personalized privacy in participatory sensing. In: 5th ACM Conference on Security and Privacy in Wireless and Mobile Networks. ; 2012.

Narendula R, Papaioannou TG, Aberer K. A decentralized online social network with efficient user-driven replication. In: 2012 International Conference on Privacy, Security, Risk and Trust and 2012 International Confernece on Social Computing. IEEE; 2012. pp. 166–175.

Papaioannou TG, Ranvier J-E, Olteanu A, Aberer K. A decentralized recommender system for effective web credibility assessment. In: Proceedings of the 21st ACM international conference on Information and knowledge management. ; 2012. pp. 704–713.

Lê Tu'n A, Quoc HMN, Serrano M, Hauswirth M, Soldatos J, Papaioannou T, Aberer K. Global sensor modeling and constrained application methods enabling cloud-based open space smart services. In: 2012 9th International Conference on Ubiquitous Intelligence and Computing and 9th International Conference on Autonomic and Trusted Computing. IEEE; 2012. pp. 196–203.

Papaioannou TG, Bonvin N, Aberer K. Scalia: An adaptive scheme for efficient multi-cloud storage. In: SC'12: Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis. IEEE; 2012. pp. 1–10.

Vakili G, Khorsandi S, Papaioannou TG. A Self-organized Mechanism of Resource Allocation in P2P Systems. International Journal of Computational Intelligence Systems. 2012;5:1148–1159.

Agir B, Papaioannou A, Narendula R, Aberer K, Hubaux J-P. Adaptive Personalized Privacy in Participatory Sensing. 2012.

Papaioannou TG, Aberer K, Abramczuk K, Adamska P, Wierzbicki A. Game-theoretic models of web credibility. In: Proceedings of the 2nd Joint WICOW/AIRWeb Workshop on Web Quality. ; 2012. pp. 27–34.

Narendula R, Papaioannou TG, Aberer K. Towards the realization of decentralized online social networks: An empirical study. In: 2012 32nd International Conference on Distributed Computing Systems Workshops. IEEE; 2012. pp. 155–162.

Bonvin N, Papaioannou TG, Aberer K. Autonomic SLA-driven Provisioning for Cloud Applications. In: ACM International Symposium on Cluster, Cloud and Grid Computing. ; 2011. pp. 1–5.

Papaioannou TG, Sarni S, Aberer K, Simoni S, Parlange M, Bavay M, Lehning M. Automated Model-driven Simulation and Visualization of Field Sensor Data. 2011.

Vakili G, Papaioannou TG, Aberer K, Khorsandi S, others. Analyzing the Emergence of Semantic Agreement among Rational Agents. In: 2011 IEEE 13th Conference on Commerce and Enterprise Computing. IEEE; 2011. pp. 161–166.

Narendula R, Papaioannou TG, Aberer K. My3: A highly-available P2P-based online social network. In: 2011 IEEE International Conference on Peer-to-Peer Computing. IEEE; 2011. pp. 166–167.

Papaioannou TG, Riahi M, Aberer K. Towards online multi-model approximation of time series. In: 2011 IEEE 12th International Conference on Mobile Data Management. Vol. 1. IEEE; 2011. pp. 33–38.

Narendula R, Papaioannou TG, Miklós Z, Aberer K. Tunable privacy for access controlled data in peer-to-peer systems. In: 2010 22nd International Teletraffic Congress (lTC 22). IEEE; 2010. pp. 1–8.

Rammohan N, Papaioannou TG, Aberer K. PANACEA: Tunable privacy for access controlled data in peer-to-peer systems. 2010.

Rammohan N, Papaioannou TG, Miklós Z, Aberer K. Tunable Privacy for Access Controlled Data in Peer-to-Peer Systems. In: Proceedings of the 22nd International Teletraffic Congress (ITC 22). ; 2010.

Vu HL, Papaioannou TG, Aberer K. Analyzing Trust Management Impact to Optimal Adversarial Attacks in Recommender Systems. 2010.

Vakili G, Papaioannou TG, Khorsandi S. A decision-analytic approach for P2P cooperation policy setting. In: Proceedings of the 2010 Workshop on Economics of Networks, Systems, and Computation. ; 2010. pp. 1–4.

Papaioannou TG, Stamoulis GD. A mechanism that provides incentives for truthful feedback in peer-to-peer systems. Electronic Commerce Research. 2010;10:331–362.

Rammohan N, Papaioannou T, Aberer K. Privacy-aware and highly-available osn profiles. In: Enabling Technologies: Infrastructures for Collaborative Enterprises (WETICE), 2010 19th IEEE International Workshop on. ; 2010.

Bonvin N, Papaioannou TG, Aberer K. Cost-efficient and differentiated data availability guarantees in data clouds. In: 2010 IEEE 26th International Conference on Data Engineering (ICDE 2010). IEEE; 2010. pp. 980–983.

Bonvin N, Papaioannou TG, Aberer K. An economic approach for scalable and highly-available distributed applications. In: 2010 IEEE 3rd International Conference on Cloud Computing. IEEE; 2010. pp. 498–505.

Vu L-H, Papaioannou TG, Aberer K. Impact of trust management and information sharing to adversarial cost in ranking systems. In: Trust Management IV: 4th IFIP WG 11.11 International Conference, IFIPTM 2010, Morioka, Japan, June 16-18, 2010. Proceedings 4. Springer Berlin Heidelberg; 2010. pp. 108–124.

Narendula R, Papaioannou TG, Aberer K. Privacy-aware and highly-available OSN profiles. In: 2010 19th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises. IEEE; 2010. pp. 211–216.

Papaioannou TG, Stamoulis GD. Reputation-based estimation of individual performance in collaborative and competitive grids. Future Generation Computer Systems. 2010;26:1327–1335.

Jeung H, Sarni S, Paparrizos I, Sathe S, Aberer K, Dawes N, Papaioannou TG, Lehning M. Effective metadata management in federated sensor networks. In: 2010 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing. IEEE; 2010. pp. 107–114.

Bonvin N, Papaioannou TG, Aberer K. A self-organized, fault-tolerant and scalable replication scheme for cloud storage. In: Proceedings of the 1st ACM symposium on Cloud computing. ; 2010. pp. 205–216.

Bonvin N, Papaioannou TG, Aberer K. The costs and limits of availability for replicated services. ACDC. 2009;9.

Vu L-H, Papaioannou TG, Aberer K. Synergies of different reputation systems: challenges and opportunities. In: 2009 World Congress on Privacy, Security, Trust and the Management of e-Business. IEEE; 2009. pp. 218–226.

Bonvin N, Papaioannou TG, Aberer K. Dynamic cost-efficient replication in data clouds. In: Proceedings of the 1st Workshop on Automated Control for Datacenters and Clouds. ; 2009. pp. 49–56.

Papaioannou TG, Stamoulis GD. Reputation-based estimation of individual performance in grids. In: 2008 Eighth IEEE International Symposium on Cluster Computing and the Grid (CCGRID). IEEE; 2008. pp. 500–509.

Papaioannou TG, Stamoulis GD. Achieving honest ratings with reputation-based fines in electronic markets. In: IEEE INFOCOM 2008-The 27th Conference on Computer Communications. IEEE; 2008. pp. 1040–1048.

Papaioannou TG, Stamoulis GD. Enforcing truthful-rating equilibria in electronic marketplaces. In: 26th IEEE International Conference on Distributed Computing Systems Workshops (ICDCSW'06). IEEE; 2006. pp. 40–40.

Bintzios VG, Papaioannou TG, Stamoulis GD. An effective approach for accurate estimation of trust of distant information sources in the semantic Web. In: Second International Workshop on Security, Privacy and Trust in Pervasive and Ubiquitous Computing (SecPerU'06). IEEE; 2006. pp. 6–pp.

Papaioannou TG, Stamoulis GD. Optimizing an incentives’ mechanism for truthful feedback in virtual communities. In: Agents and Peer-to-Peer Computing: 4th International Workshop, AP2PC 2005, Utrecht, The Netherlands, July 25, 2005. Revised Papers 4. Springer Berlin Heidelberg; 2006. pp. 1–15.

Papaioannou TG, Stamoulis GD. Reputation-based policies that provide the right incentives in peer-to-peer environments. Computer Networks. 2006;50:563–578.

Papaioannou TG, Stamoulis GD. An incentives' mechanism promoting truthful feedback in peer-to-peer systems. In: CCGrid 2005. IEEE International Symposium on Cluster Computing and the Grid, 2005. Vol. 1. IEEE; 2005. pp. 275–283.

Papaioannou TG, Stamoulis GD. Enforcing credible reporting in peer-to-peer environments. In: Working paper, AUEB. ; 2004.

Papaioannou TG, Stamoulis GD. Design of a charging and accounting architecture for QoS-differentiated VPN services to mobile users. Computer Communications. 2004;27:364–373.

Papaioannou TG, Stamoulis GD. Effective use of reputation in peer-to-peer environments. In: IEEE International Symposium on Cluster Computing and the Grid, 2004. CCGrid 2004. IEEE; 2004. pp. 259–268.

Papaioannou TG, Stamoulis GD. Accounting Architecture for QoS-differentiated VPN. In: From QoS Provisioning to QoS Charging:.. COST 263 International Workshop on Quality of Future Internet Services, QofIS.. and.. International Workshop on Internet Charging and QoS Technologies, ICQT..: Proceedings. Springer; 2002. pp. 250.

Papaioannou TG, Stamoulis GD. Design and Implementation of a Charging and Accounting Architecture for QoS-differentiated VPN Services to Mobile Users. In: ICQT'02 Workshop, Lecture Notes in Computer Science. Vol. 2511. Berlin: Springer-Verlag, 1973-; 2002. pp. 250–262.

Papaioannou TG, Sartzetakis S, Stamoulis GD. Efficient agent-based selection of DiffServ SLAs over MPLS networks within the ASP service model. Journal of Network and Systems Management. 2002;10:63–90.

Papaioannou TG, Sartzetakis S, Stamoulis GD. Efficient agent-based selection of DiffServ SLAs over MPLS networks. Proc. SPIE 4211, Internet Quality and Performance and Control of Network Systems. 2001.