Christos Michalakelis

44 papers B 3C 1Journal 29Unranked 10

Year	Rank	Type	Title / Venue / Authors
2025	B	`conf`	Are Public Cloud Solutions Really Cheaper? Cost Analysis Findings from the Migration Project of a Large-Scale Governmental Organization. IC2E Vassilis Dalakas, Evangelia Filiopoulou, Cleopatra Bardaki, George Fragiadakis, Anargyros Tsadimas, Christos Michalakelis, Mara Nikolaidou, Dimosthenis Anagnostopoulos
2024	J	`jnl`	Assessing the Complexity of Cloud Pricing Policies: A Comparative Market Analysis. J. Grid Comput. Vasiliki Liagkou, George Fragiadakis, Evangelia Filiopoulou, Christos Michalakelis, Anargyros Tsadimas, Mara Nikolaidou
2024	J	`jnl`	Cloud Broker: Customizing Services for Cloud Market Requirements. Inf. Evangelia Filiopoulou, Georgios Chatzithanasis, Christos Michalakelis, Mara Nikolaidou
2024	J	`jnl`	Extending SysML to Integrate Cost Analysis Into Model-Based Systems Engineering. IEEE Trans. Engineering Management Christos Kotronis, Mara Nikolaidou, Anargyros Tsadimas, Christos Michalakelis, Dimosthenis Anagnostopoulos
2024	J	`jnl`	Game-theoretic analysis of competition between access service providers utilizing a Nash genetic algorithm. Oper. Res. Thomas Kamalakis, Georgia Dede, Christos Michalakelis, Mara Nikolaidou
2023	J	`jnl`	Analysis and Evaluation of Major COVID-19 Features: A Pairwise Comparison Approach. Oper. Res. Forum Georgia Dede, Evangelia Filiopoulou, Despo-Vaia Paroni, Christos Michalakelis, Thomas Kamalakis
2023	J	`jnl`	Applying Machine Learning in Cloud Service Price Prediction: The Case of Amazon IaaS. Future Internet George Fragiadakis, Evangelia Filiopoulou, Christos Michalakelis, Thomas Kamalakis, Mara Nikolaidou
2023	J	`jnl`	Cloud services cost comparison: a clustering analysis framework. Computing George Fragiadakis, Vasiliki Liagkou, Evangelia Filiopoulou, Dimitris Fragkakis, Christos Michalakelis, Mara Nikolaidou
2023	J	`jnl`	Information and Communication Technologies in Primary Education: Teachers' Perceptions in Greece. Informatics Marina Aivazidi, Christos Michalakelis
2023	J	`jnl`	Technoeconomic assessment of an FTTH network investment in the Greek telecommunications market. Telecommun. Syst. Angelos Skoufis, Georgios Chatzithanasis, Georgia Dede, Evangelia Filiopoulou, Thomas Kamalakis, Christos Michalakelis
2022	J	`jnl`	A pricing model for Container-as-a-Service, based on hedonic indices. Simul. Model. Pract. Theory Vasiliki Liagkou, George Fragiadakis, Evangelia Filiopoulou, Christos Michalakelis, Thomas Kamalakis, Mara Nikolaidou
2022	J	`jnl`	Comparing the Cost of IaaS and CaaS Services. Int. J. Technol. Diffusion Vasiliki Liagkou, George Fragiadakis, Evangelia Filiopoulou, Vagia Kyriakidou, Christos Michalakelis, Mara Nikolaidou
2022	J	`jnl`	Forecasting Competition in the Electricity Market of Greece: a Prey-Predator Approach. Oper. Res. Forum Persefoni Mitropoulou, Eirini Papadopoulou, Georgia Dede, Christos Michalakelis
2021	B	`conf`	A Brokering Model for the Cloud Market. CLOUD Georgios Chatzithanasis, Evangelia Filiopoulou, Christos Michalakelis, Mara Nikolaidou
2021	J	`jnl`	Evaluation of Technological Solutions and Requirements for Cloud TV Services Based on Decision Support Systems. Int. J. Technol. Diffusion Georgia Dede, Evangelia Filiopoulou, Georgios Chatzithanasis, Thomas Kamalakis, Christos Michalakelis
2021	J	`jnl`	Evaluation of end user requirements for Smart Home applications and services based on a decision support system. Internet Things Georgia Dede, Evangelia Filiopoulou, Georgios Chatzithanasis, Christos Michalakelis, Thomas Kamalakis
2021	J	`jnl`	Exploring cost-efficient bundling in a multi-cloud environment. Simul. Model. Pract. Theory Georgios Chatzithanasis, Evangelia Filiopoulou, Christos Michalakelis, Mara Nikolaidou
2021	B	`conf`	Exploring the Barriers of Educational Innovation. ITS Marina Aivazidi, Christos Michalakelis
2021	—	`conf`	Last Mile Delivery by Drone: a Technoeconomic Approach. GECON Evgenia Skoufi, Evangelia Filiopoulou, Angelos Skoufis, Christos Michalakelis
2021	J	`jnl`	On the Efficiency of Cloud Providers: A DEA Approach Incorporating Categorical Variables. IEEE Trans. Cloud Comput. Evangelia Filiopoulou, Persefoni Mitropoulou, Nikolas Lionis, Christos Michalakelis
2021	J	`jnl`	Safety requirements for symbiotic human-robot collaboration systems in smart factories: a pairwise comparison approach to explore requirements dependencies. Requir. Eng. Georgia Dede, Persefoni Mitropoulou, Mara Nikolaidou, Thomas Kamalakis, Christos Michalakelis
2019	J	`jnl`	Brokering Intelligence as a Service for the Internet of Things. Int. J. Technol. Diffusion Georgia Dede, George Fragiadakis, Christos Michalakelis, Thomas Kamalakis
2019	J	`jnl`	End-User and Provider Requirements for Pricing Policies of Infrastructure as a Service. IEEE Internet Comput. Evangelia Filiopoulou, Georgia Dede, Christos Michalakelis, Thomas Kamalakis
2019	—	`conf`	Towards a Roadmap for Cloud TV Services in the Internet of Things Era. GECON Georgia Dede, D. Grigoropoulos, G. Loupatatzis, Thomas Kamalakis, Christos Michalakelis
2018	J	`jnl`	The Benefits of Cloud Computing: Evidence From Greece. Int. J. Technol. Diffusion Georgios Chatzithanasis, Christos Michalakelis
2017	—	`conf`	Pricing IaaS: A Hedonic Price Index Approach. GECON Persefoni Mitropoulou, Evangelia Filiopoulou, Mara Nikolaidou, Christos Michalakelis
2016	—	`conf`	CCTE Workshop Preface. IC2E Workshops Christos Michalakelis, Mara Nikolaidou, Jorge Barbosa, Katie Wood
2016	J	`jnl`	Pricing cloud IaaS services based on a hedonic price index. Computing Persefoni Mitropoulou, Evangelia Filiopoulou, Christos Michalakelis, Mara Nikolaidou
2016	—	`conf`	The Rise of Cloud Brokerage: Business Model, Profit Making and Cost Savings. GECON Evangelia Filiopoulou, Persefoni Mitropoulou, Christos Michalakelis, Mara Nikolaidou
2015	C	`conf`	A Hedonic Price Index for Cloud Computing Services. CLOSER Persefoni Mitropoulou, Evangelia Filiopoulou, Stavroula Tsaroucha, Christos Michalakelis, Mara Nikolaidou
2015	—	`conf`	A framework for the classification of could computing business models. Panhellenic Conference on Informatics Spyridoula Lakka, Christos Michalakelis, Teta Stamati, Dimosthenis Anagnostopoulos
2015	—	`conf`	Cloud computing and economic growth. Panhellenic Conference on Informatics Konstantinos Katsantonis, Persefoni Mitropoulou, Evangelia Filiopoulou, Christos Michalakelis, Mara Nikolaidou
2015	J	`jnl`	On the Efficiency of Grey Modeling in Early-Stage Technological Diffusion Forecasting. Int. J. Technol. Diffusion Charisios Christodoulos, Christos Michalakelis, Thomas Sphicopoulos
2014	—	`conf`	Cross country comparison on the factors determining OSS diffusion. Panhellenic Conference on Informatics Spyridoula Lakka, Teta Stamati, Christos Michalakelis
2014	J	`jnl`	Forecasting the Diffusion of Gigabit Home Networking In Europe. Int. J. Technol. Diffusion Michalis Fokas, Christos Michalakelis, Thomas Sphicopoulos
2012	J	`jnl`	Dynamic estimation of markets exhibiting a prey-predator behavior. Expert Syst. Appl. Christos Michalakelis, Charisios Christodoulos, Dimitris Varoutas, Thomas Sphicopoulos
2012	J	`jnl`	Utilization of communications network potential: Public practices and effects. Gov. Inf. Q. Vagia Kyriakidou, Christos Michalakelis, Thomas Sphicopoulos
2011	J	`jnl`	Modeling Competition in the Telecommunications Market Based on Concepts of Population Biology. IEEE Trans. Syst. Man Cybern. Part C Christos Michalakelis, Thomas Sphicopoulos, Dimitris Varoutas
2011	J	`jnl`	The Ontology of the OSS Business Model: An Exploratory Study. Int. J. Open Source Softw. Process. Spyridoula Lakka, Teta Stamati, Christos Michalakelis, Drakoulis Martakos
2010	—	`conf`	Estimation of future prepaid - postpaid mobile telephony equilibrium in the OECD area. CTTE Charisios Christodoulos, Christos Michalakelis, Dimitris Varoutas
2009	—	`—`	Τεχνοοικονομική ανάλυση τηλεπικοινωνιακών δικτύων: μοντέλα πρόβλεψης της ζήτησης και του ανταγωνισμού στην τηλεπικοινωνιακή αγορά Christos Michalakelis
2008	J	`jnl`	Impact of cross-national diffusion process in telecommunications demand forecasting. Telecommun. Syst. Christos Michalakelis, Georgia Dede, Dimitris Varoutas, Thomas Sphicopoulos
2007	—	`conf`	Development of a demand model for the simultaneous estimation of the interaction between a product's diffusion and price: an application to telecommunications. CTTE Christos Michalakelis, Georgia Dede, Antonia Zerva, Dimitris Varoutas, Thomas Sphicopoulos
2007	J	`jnl`	Nonparametric estimation of a hedonic price index for ADSL connections in the European market using the Akaike Information Criterion. Telecommun. Syst. C. Deligiorgi, Christos Michalakelis, Alexander Vavoulas, Dimitris Varoutas