New algorithms for reconfiguring VLSI/WSI arrays. - Theodora A. Varvarigou; Vwani P. Roychowdhury; Thomas Kailath (J. VLSI Signal Process., 1991)

Scheduling in and Out Forests in the Presence of Communication Delays. - Theodora A. Varvarigou; Vwani P. Roychowdhury; Thomas Kailath (IPPS, 1993)

A Polynomial Time Algorithm for Reconfiguring Multiple-Track Models. - Theodora A. Varvarigou; Vwani P. Roychowdhury; Thomas Kailath (IEEE Trans. Computers, 1993)

Reconfiguring Processor Arrays Using Multiple-Track Models: The 3-Track-1-Spare-Approach. - Theodora A. Varvarigou; Vwani P. Roychowdhury; Thomas Kailath (IEEE Trans. Computers, 1993)

Distributed Reconfiguration of Multiprocessor Systems. - Theodora A. Varvarigou; John A. Trotter (SRDS, 1994)

Scheduling In and Out Forests in the Presence of Communication Delays. - Theodora A. Varvarigou; Vwani P. Roychowdhury; Thomas Kailath; Eugene L. Lawler (IEEE Trans. Parallel Distributed Syst., 1996)

EFTOS: A Software Framework for More Dependable Embedded HPC Applications. - Geert Deconinck; Vincenzo De Florio; Rudy Lauwereins; Theodora A. Varvarigou (Euro-Par, 1997)

Remote Operations on Post Production Applications. - Apostolos Meliones; Theodora A. Varvarigou; Emmanuel N. Protonotarios (HPCN Europe, 1997)

Rendering post production applications in distributed environments. - Apostolos Meliones; Theodora A. Varvarigou; Emmanuel N. Protonotarios (ISCC, 1997)

A new model for fault and availability in complex multimedia services. - Theodora A. Varvarigou; Sid Ahuja (Telecommun. Syst., 1997)

Efficient Distributed Execution of Computationally Intensive Tasks. - Apostolos Meliones; Ion Barosan; Theodora A. Varvarigou (HPCN Europe, 1998)

Incentive-Compatible Pricing Strategies in Noncooperative Networks. - Yannis A. Korilis; Theodora A. Varvarigou; Sudhir R. Ahuja (INFOCOM, 1998)

A metacomputing environment for demanding applications: design, implementation, experiments and business benefit. - Apostolos Meliones; Theodora A. Varvarigou (ISCC, 1998)

A market based approach for efficient resource management in an intranet. - Theodora A. Varvarigou; Yannis A. Korilis; Giorgos A. Efthivoulidis; Sudhir R. Ahuja (ISCC, 1998)

Fault-tolerant communication in embedded supercomputing. - Giorgos A. Efthivoulidis; Evangelos Verentziotis; Apostolos Meliones; Theodora A. Varvarigou; Antonios Kontizas; Geert Deconinck; Vincenzo De Florio (IEEE Micro, 1998)

Scheduling Multimedia Applications with Quality of Service Requirements to Multiprocessor Systems. - Athanasios G. Malamos; Theodora A. Varvarigou; Elias N. Malamas (Applied Informatics, 1999)

On the Definition, Modelling, and Implementation of Quality of Service (QoS) in Distributed Multimedia Systems. - Athanasios G. Malamos; Elias N. Malamas; Theodora A. Varvarigou; Sudhir R. Ahuja (ISCC, 1999)

Vehicle routing with time windows and stochastic demand. - Matthew Protonotarios; Ioannis Vyridis; C. Nikolaidis; Theodora A. Varvarigou (PARCO, 1999)

A metacomputing environment for demanding applications: design, implementation, experiments and business benefit. - Apostolos Meliones; Theodora A. Varvarigou; P. Tsagronis; Ad Emmen; Ion Barosan (Future Gener. Comput. Syst., 1999)

Reconfiguration Models and Algorithms for Stateful Interactive Processes. - Theodora A. Varvarigou; Miltiades E. Anagnostou; Sudhir R. Ahuja (IEEE Trans. Software Eng., 1999)

Very Large Scale Vehicle Routing with Time Windows and Stochastic Demand Using Genetic Algorithms with Parallel Fitness Evaluation. - Matthew Protonotarios; George Mourkousis; Ioannis Vyridis; Theodora A. Varvarigou (HPCN Europe, 2000)

Construction of the acoustic inventory for a Greek text-to-speech concatenative synthesis system. - Costas Christogiannis; Theodora A. Varvarigou; Agatha Zappa; Yiannis Vamvakoulas; Chilin Shih; Amalia Arvaniti (ICASSP, 2000)

Design and implementation of a Greek text-to-speech system based on concatenative synthesis. - Costas Christogiannis; Yiannis Stavroulas; Yiannis Vamvakoulas; Theodora A. Varvarigou; Agatha Zappa; Chilin Shih; Amalia Arvaniti (INTERSPEECH, 2000)

Fast Implementation of Binary Morphological Operations on Hardware-Efficient Systolic Architectures. - Elias N. Malamas; Athanasios G. Malamos; Theodora A. Varvarigou (J. VLSI Signal Process., 2000)

RACE: A Software-Based Fault Tolerance Scheme for Systematically Transforming Ordinary Algorithms to Robust Algorithms. - Chi-Hsiang Yeh; Behrooz Parhami; Emmanouel A. Varvarigos; Theodora A. Varvarigou (IPDPS, 2001)

Automated inspection of gaps on the automobile production line through stereo vision and specular reflection. - Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (Comput. Ind., 2001)

Ozone : An Insulating Layer Between Ontologies, Databases And Object-oriented Applications. - Yiannis Stavroulas; Theodora A. Varvarigou; Yiannis Kouroupis; Katerina Tsiara (ECIS, 2002)

A Method Which Enables the Assessment of Provate Data by an Untrusted Third Party Using Arbitrary Algorithms But Prevents Disclosure of Their Content. - Angelos Yannopoulos; Yiannis Stavroulas; Nikolaos Papadakis; Dimitrios Halkos; Theodora A. Varvarigou (International Conference on Internet Computing, 2002)

Adaptable neural networks for modeling recursive non-linear systems. - Nikolaos D. Doulamis; Anastasios D. Doulamis; Theodora A. Varvarigou (DSP, 2002)

A Technique for Semi-automatic Database Integration in Database Federations. - Yiannis Stavroulas; Theodora A. Varvarigou (ISDB, 2002)

A Model for Availability of Quality of Service in Distributed Multimedia Systems. - Athanasios G. Malamos; Elias N. Malamas; Theodora A. Varvarigou; Sudhir R. Ahuja (Multim. Tools Appl., 2002)

The EFTOS approach to dependability in embedded supercomputing. - Geert Deconinck; Vincenzo De Florio; Theodora A. Varvarigou; Evangelos Verentziotis (IEEE Trans. Reliab., 2002)

Reliable Network of Omega - Interconnected Identical Processing Elements. - Dimitrios I. Kosmopoulos; Anastasios D. Doulamis; Nikolaos D. Doulamis; Theodora A. Varvarigou (PDPTA, 2003)

Adaptive Algorithms for Interactive Multimedia. - Nikolaos D. Doulamis; Anastasios D. Doulamis; Theodora A. Varvarigou (IEEE Multim., 2003)

Application of Genetic Algorithms to a Large-Scale Multiple-Constraint Vehicle Routing Problem. - George Mourkousis; Matthew Protonotarios; Theodora A. Varvarigou (Int. J. Comput. Intell. Appl., 2003)

Efficient Content-Based Image Retrieval Using Fuzzy Organization and Optimal Relevance Feedback. - Anastasios D. Doulamis; Nikolaos D. Doulamis; Theodora A. Varvarigou (Int. J. Image Graph., 2003)

An Advanced Architecture for a Commercial Grid Infrastructure. - Antonios Litke; Athanasios Panagakis; Anastasios D. Doulamis; Nikolaos D. Doulamis; Theodora A. Varvarigou; Emmanouel A. Varvarigos (European Across Grids Conference, 2004)

Polymnia: Personalised Leisure and Entertainment over Cross Media Intelligent Platforms. - Anastasios D. Doulamis; Dimitrios I. Kosmopoulos; Costis Christogiannis; Dora Varvarigou (EWIMT, 2004)

Moving E-Commerce with PIVOTS: Private Information Viewing Offering Total Safety. - Angelos Yannopoulos; Yiannis Stavroulas; Theodora A. Varvarigou (IEEE Trans. Knowl. Data Eng., 2004)

A combined fuzzy-neural network model for non-linear prediction of 3-D rendering workload in Grid computing. - Nikolaos D. Doulamis; Anastasios D. Doulamis; Athanasios Panagakis; Konstantinos Dolkas; Theodora A. Varvarigou; Emmanouel A. Varvarigos (IEEE Trans. Syst. Man Cybern. Part B, 2004)

Computational workload prediction for grid oriented industrial applications: the case of 3D-image rendering. - Antonios Litke; Konstantinos Tserpes; Theodora A. Varvarigou (CCGRID, 2005)

A Task Replication and Fair Resource Management Scheme for Fault Tolerant Grids. - Antonios Litke; Konstantinos Tserpes; Konstantinos Dolkas; Theodora A. Varvarigou (EGC, 2005)

Retrieving, Adapting and Delivering Multimedia Content Using a Mobile Agent Architecture. - Nikolaos Papadakis; Anastasios D. Doulamis; Dimitrios Skoutas 001; Antonios Litke; Nikolaos D. Doulamis; Theodora A. Varvarigou (ICME, 2005)

An Automatic Web Wrapper for Extracting Information from Web Sources, Using Clustering Techniques. - Nikolaos Papadakis; Dimitrios Skoutas 001; Konstantinos Raftopoulos; Theodora A. Varvarigou (SAINT, 2005)

Quality-Of-Service Adaptive Control Of Multimedia Services In Short-Term Resource Reservation Networks. - George A. Rovithakis; Athanasios G. Malamos; Theodora A. Varvarigou; Manolis A. Christodoulou (Cybern. Syst., 2005)

STAVIES: A System for Information Extraction from Unknown Web Data Sources through Automatic Web Wrapper Generation Using Clustering Techniques. - Nikolaos Papadakis; Dimitrios Skoutas 001; Konstantinos Raftopoulos; Theodora A. Varvarigou (IEEE Trans. Knowl. Data Eng., 2005)

A Cross Media Platform for Personalized Leisure & Entertainment: The POLYMNIA Approach. - Vasilios Anagnostopoulos; Sotirios Chatzis; Constantinos Lalos; Anastasios D. Doulamis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou; Helmut Neuschmied; Georg Thallinger; Stuart E. Middleton; Matthew Addis; Eduardo Bustos; Fabrizio Giorgini (AXMEDIS, 2006)

Video Representation and Retrieval Using Spatio-temporal Descriptors and Region Relations. - Sotirios Chatzis; Anastasios D. Doulamis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (ICANN (2), 2006)

MEMPHIS: A mobile agent-based system for enabling acquisition of multilingual content and providing flexible format internet premium services. - Nikolaos Papadakis; Antonios Litke; Dimitrios Skoutas 001; Theodora A. Varvarigou (J. Syst. Archit., 2006)

A content-based image retrieval scheme allowing for robust automatic personalization. - Sotirios Chatzis; Anastasios D. Doulamis; Theodora A. Varvarigou (CIVR, 2007)

An Open Architecture for QoS Information in Business Grids. - Konstantinos Tserpes; Dimosthenis Kyriazis; Andreas Menychtas; Theodora A. Varvarigou; Fabrizio Silvestri; Domenico Laforenza (CoreGRID, 2007)

Adjusted fair scheduling and non-linear workload prediction for QoS guarantees in grid computing. - Nikolaos D. Doulamis; Anastasios D. Doulamis; Antonios Litke; Athanasios Panagakis; Theodora A. Varvarigou; Emmanouel A. Varvarigos (Comput. Commun., 2007)

e-Business applications on the Grid: a toolkit for centralized workload prediction and access. - Konstantinos Dolkas; Dimosthenis Kyriazis; Andreas Menychtas; Theodora A. Varvarigou (Concurr. Comput. Pract. Exp., 2007)

Efficient task replication and management for adaptive fault tolerance in Mobile Grid environments. - Antonios Litke; Dimitrios Skoutas 001; Konstantinos Tserpes; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2007)

Fair Scheduling Algorithms in Grids. - Nikolaos D. Doulamis; Emmanouel A. Varvarigos; Theodora A. Varvarigou (IEEE Trans. Parallel Distributed Syst., 2007)

Biometric Profiling: Opportunities and Risks. - Vassiliki Andronikou; Angelos Yannopoulos; Theodora A. Varvarigou (Profiling the European Citizen, 2008)

Behavioural Biometric Profiling and Ambient Intelligence. - Angelos Yannopoulos; Vassiliki Andronikou; Theodora A. Varvarigou (Profiling the European Citizen, 2008)

Clinical trial simulation in Grid environments. - Dimosthenis Kyriazis; Andreas Menychtas; Dimitra D. Dionysiou; Georgios S. Stamatakos; Theodora A. Varvarigou (BIBE, 2008)

An innovative content-based indexing technique with linear response suitable for pervasive environments. - Constantinos Lalos; Anastasios D. Doulamis; Kleopatra Konstanteli; Pavlos Delias; Theodora A. Varvarigou (CBMI, 2008)

Evaluating Quality Provisioning Levels in Service Oriented Business Environments. - Konstantinos Tserpes; Dimosthenis Kyriazis; Andreas Menychtas; Antonios Litke; Costis Christogiannis; Theodora A. Varvarigou (EDOC, 2008)

Business Relationships in Grid Workflows. - Ioannis Papagiannis; Dimosthenis Kyriazis; Magdalini Kardara; Vassiliki Andronikou; Theodora A. Varvarigou (GECON, 2008)

A robust approach towards sequential data modeling and its application in automatic gesture recognition. - Sotirios Chatzis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (ICASSP, 2008)

Data Aggregation and Analysis: A Grid-Based Approach for Medicine and Biology. - Dimosthenis Kyriazis; Konstantinos Tserpes; George Kousiouris; Andreas Menychtas; Gregory Katsaros; Theodora A. Varvarigou (ISPA, 2008)

First ACM international workshop on analysis and retrieval of events, actions and workflows in video streams. - Anastasios D. Doulamis; Luc Van Gool; Mark S. Nixon; Theodora A. Varvarigou; Nikolaos D. Doulamis (ACM Multimedia, 2008)

An architecture for a self configurable video supervision. - Anastasios D. Doulamis; Dimitrios I. Kosmopoulos; Manolis Sardis; Theodora A. Varvarigou (AREA, 2008)

Realtime-enabled workflow management in service oriented infrastructures. - Spyridon V. Gogouvitis; George Kousiouris; Kleopatra Konstanteli; Theodoros Polychniatis; Andreas Menychtas; Dimosthenis Kyriazis; Theodora A. Varvarigou (AREA, 2008)

QoS-Based Decision Services in Grids. - Dimosthenis Kyriazis; Peer Hasselmeyer; Konstantinos Tserpes; Andreas Menychtas; Theodora A. Varvarigou (Panhellenic Conference on Informatics, 2008)

A grid-enabled toolkit for in silico oncology simulations. - Theodoros E. Athanaileas; Georgios S. Stamatakos; Andreas Menychtas; Dimitra I. Kaklamani; Dimitra D. Dionysiou; Theodora A. Varvarigou; Nikolaos K. Uzunoglu (SimuTools, 2008)

A novel mechanism for provisioning of high-level quality of service information in grid environments. - Konstantinos Tserpes; Dimosthenis Kyriazis; Andreas Menychtas; Theodora A. Varvarigou (Eur. J. Oper. Res., 2008)

An innovative workflow mapping mechanism for Grids in the frame of Quality of Service. - Dimosthenis Kyriazis; Konstantinos Tserpes; Andreas Menychtas; Antonios Litke; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2008)

Managing service level agreement contracts in OGSA-based Grids. - Antonios Litke; Kleopatra Konstanteli; Vassiliki Andronikou; Sotirios Chatzis; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2008)

MI-MERCURY: A mobile agent architecture for ubiquitous retrieval and delivery of multimedia information. - Nikolaos Papadakis; Anastasios D. Doulamis; Antonios Litke; Nikolaos D. Doulamis; Dimitrios Skoutas 001; Theodora A. Varvarigou (Multim. Tools Appl., 2008)

Robust fuzzy clustering using mixtures of Student's-t distributions. - Sotirios Chatzis; Theodora A. Varvarigou (Pattern Recognit. Lett., 2008)

A Fuzzy Clustering Approach Toward Hidden Markov Random Field Models for Enhanced Spatially Constrained Image Segmentation. - Sotirios Chatzis; Theodora A. Varvarigou (IEEE Trans. Fuzzy Syst., 2008)

Signal Modeling and Classification Using a Robust Latent Space Model Based on t Distributions. - Sotirios Chatzis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (IEEE Trans. Signal Process., 2008)

A Neural Network Approach Implementing Non-Linear Relevance Feedback to Improve the Performance of Medical Information Retrieval Systems. - Dimosthenis Kyriazis; Anastasios D. Doulamis; Theodora A. Varvarigou (Information Retrieval in Biomedicine, 2009)

Real-Time Guarantees in Flexible Advance Reservations. - Kleopatra Konstanteli; Dimosthenis Kyriazis; Theodora A. Varvarigou; Tommaso Cucinotta; Gaetano F. Anastasi (COMPSAC (2), 2009)

A QoS-Based Selection Mechanism Exploiting Business Relationships in Workflows. - Dimosthenis Kyriazis; Konstantinos Tserpes; Ioannis Papagiannis; Kleopatra Konstanteli; Theodora A. Varvarigou (GECON, 2009)

Hybrid tracking approach for assistive environments. - Constantinos Lalos; Vasilios Anagnostopoulos; Kleopatra Konstanteli; Theodora A. Varvarigou (PETRA, 2009)

Advance reservations for distributed real-time workflows with probabilistic service guarantees. - Tommaso Cucinotta; Kleopatra Konstanteli; Theodora A. Varvarigou (SOCA, 2009)

Service oriented license providing. - Gregory Katsaros; Savvas Antonopoulos; Dimosthenis Kyriazis; Theodora A. Varvarigou (SOCA, 2009)

Service selection and workflow mapping for Grids: an approach exploiting quality-of-service information. - Dimosthenis Kyriazis; Konstantinos Tserpes; Andreas Menychtas; Ioannis Sarantidis; Theodora A. Varvarigou (Concurr. Comput. Pract. Exp., 2009)

Fault tolerant and prioritized scheduling in OGSA-based mobile Grids. - Antonios Litke; Dimitrios Halkos; Konstantinos Tserpes; Dimosthenis Kyriazis; Theodora A. Varvarigou (Concurr. Comput. Pract. Exp., 2009)

Special section: Real-time attributes in grids. - Theodora A. Varvarigou; Antonios Litke; Dimosthenis Kyriazis (Future Gener. Comput. Syst., 2009)

A secure framework exploiting content guided and automated algorithms for real time video searching. - Dimitrios Halkos; Nikolaos D. Doulamis; Anastasios D. Doulamis; Angelos Yannopoulos; Theodora A. Varvarigou; George Mourkousis; Katerina Tsiara (Multim. Tools Appl., 2009)

Robust Sequential Data Modeling Using an Outlier Tolerant Hidden Markov Model. - Sotirios Chatzis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (IEEE Trans. Pattern Anal. Mach. Intell., 2009)

Factor Analysis Latent Subspace Modeling and Robust Fuzzy Clustering Using t -Distributions. - Sotirios Chatzis; Theodora A. Varvarigou (IEEE Trans. Fuzzy Syst., 2009)

Portals for Service Oriented Infrastructures. - Efstathios Karanastasis; Theodora A. Varvarigou; Piotr Grabowski (Service Oriented Infrastructures and Cloud Service Platforms for the Enterprise, 2010)

Semantically-enabled Intelligent Patient Recruitment in Clinical Trials. - Vassiliki Andronikou; Efstathios Karanastasis; Efthymios Chondrogiannis; Konstantinos Tserpes; Theodora A. Varvarigou (3PGCIC, 2010)

A Service-Oriented Framework for GNU Octave-Based Performance Prediction. - George Kousiouris; Dimosthenis Kyriazis; Kleopatra Konstanteli; Spyridon V. Gogouvitis; Gregory Katsaros; Theodora A. Varvarigou (IEEE SCC, 2010)

Object Flow: Learning Object Displacement. - Constantinos Lalos; Helmut Grabner; Luc Van Gool; Theodora A. Varvarigou (ACCV Workshops (1), 2010)

A Service Oriented Architecture for achieving QoSaware Workflow Management in Virtualized Environments. - Spyridon V. Gogouvitis; Kleopatra Konstanteli; George Kousiouris; Gregory Katsaros; Dimosthenis Kyriazis; Theodora A. Varvarigou (CNSM, 2010)

Minimizing Technical Complexities in Emerging Cloud Computing Platforms. - Andreas Menychtas; George Kousiouris; Dimosthenis Kyriazis; Theodora A. Varvarigou (Euro-Par Workshops, 2010)

Service Selection Decision Support in the Internet of Services. - Konstantinos Tserpes; Fotis Aisopos; Dimosthenis Kyriazis; Theodora A. Varvarigou (GECON, 2010)

Multi-agent Based Surveillance of Workflows. - Emmanuel Sardis; Vasilios Anagnostopoulos; Theodora A. Varvarigou (Web Intelligence/IAT Workshops, 2010)

Robust Workflow Recognition Using Holistic Features and Outlier-Tolerant Fused Hidden Markov Models. - Athanasios Voulodimos; Helmut Grabner; Dimitrios I. Kosmopoulos; Luc Van Gool; Theodora A. Varvarigou (ICANN (1), 2010)

Robust Human Behavior Modeling from Multiple Cameras. - Dimitrios I. Kosmopoulos; Athanasios Voulodimos; Theodora A. Varvarigou (ICPR, 2010)

Workflows Recognition through Multi Agents in Surveillance Systems. - Manolis Sardis; Vasilios Anagnostopoulos; Theodora A. Varvarigou (IFIP AI, 2010)

Industrial Workflows Recognition by Computer Vision and AI Technologies. - Emmanuel Sardis; Theodora A. Varvarigou (IIH-MSP, 2010)

Enhanced human behavior recognition using HMM and evaluative rectification. - Nikolaos D. Doulamis; Athanasios Voulodimos; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (ARTEMIS@ACM Multimedia, 2010)

Tools for semi-automatic monitoring of industrial workflows. - Roland Mörzinger; Manolis Sardis; Igor Rosenberg; Helmut Grabner; Galina V. Veres; Imed Bouchrika; Marcus Thaler; René Schuster; Albert Hofmann; Georg Thallinger; Vasileios Anagnostopoulos; Dimitrios I. Kosmopoulos; et al. (ARTEMIS@ACM Multimedia, 2010)

Analysis of requirements and specifications for a monitoring system to support the self-management of dementia patients at home. - Stefanos Xefteris; Maria Haritou; Konstantinos Tserpes; Alessandro Serretti; Josep Ramon Llopart; Raffaella Calati; Theodora A. Varvarigou (PETRA, 2010)

Behavior Recognition from Multiple Views Using Fused Hidden Markov Models. - Dimitrios I. Kosmopoulos; Athanasios Voulodimos; Theodora A. Varvarigou (SETN, 2010)

Virtualised e-Learning with real-time guarantees on the IRMOS platform. - Tommaso Cucinotta; Fabio Checconi; Zlatko Zlatev; Juri Papay; Mike J. Boniface; George Kousiouris; Dimosthenis Kyriazis; Theodora A. Varvarigou; Soeren Berger; Dominik Lamp; Alessandro Mazzetti; Thomas Voith; et al. (SOCA, 2010)

A service oriented monitoring framework for soft real-time applications. - Gregory Katsaros; George Kousiouris; Spyridon V. Gogouvitis; Dimosthenis Kyriazis; Theodora A. Varvarigou (SOCA, 2010)

An Architectural Approach for Event-Based Execution Management in Service Oriented Infrastructures. - Spyridon V. Gogouvitis; Kleopatra Konstanteli; Dimosthenis Kyriazis; Theodora A. Varvarigou (SYNASC, 2010)

A Study on the Effect of Application and Resource Characteristics on the QoS in Service Provisioning Environments. - Theodora A. Varvarigou; Konstantinos Tserpes; Dimosthenis Kyriazis; Fabrizio Silvestri; Nikolaos Psimogiannos (Int. J. Distributed Syst. Technol., 2010)

Execution Management for Mobile Service-Oriented Environments. - Kleopatra Konstanteli; Tom Kirkham; Julian R. Gallop; Brian Matthews; Ian J. Johnson; Magdalini Kardara; Theodora A. Varvarigou (Int. J. Syst. Serv. Oriented Eng., 2010)

Analysis and retrieval of events/actions and workflows in video streams. - Anastasios D. Doulamis; Luc Van Gool; Mark S. Nixon; Nikolaos D. Doulamis; Theodora A. Varvarigou (Multim. Tools Appl., 2010)

Optimum allocation of distributed service workflows with probabilistic real-time guarantees. - Kleopatra Konstanteli; Tommaso Cucinotta; Theodora A. Varvarigou (Serv. Oriented Comput. Appl., 2010)

Reasoner system for video creation having as input a conceptual video description. - Nikoletta Mavrogeorgi; Stefanos Koutsoutos; Angelos Yannopoulos; Theodora A. Varvarigou (CIVI, 2011)

A Front-end, Hadoop-based Data Management Service for Efficient Federated Clouds. - George Kousiouris; George Vafiadis; Theodora A. Varvarigou (CloudCom, 2011)

A Business Resolution Engine for Cloud Marketplaces. - Andreas Menychtas; Anna Gatzioura; Theodora A. Varvarigou (CloudCom, 2011)

Multi-agent based Surveillance of Human Workflows. - Emmanuel Sardis; Vasilios Anagnostopoulos; Theodora A. Varvarigou (ICAART (1), 2011)

Video summarization guiding evaluative rectification for industrial activity recognition. - Athanasios Voulodimos; Anastasios D. Doulamis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (ICCV Workshops, 2011)

A dataset for workflow recognition in industrial scenes. - Athanasios Voulodimos; Dimitrios I. Kosmopoulos; Georgios Vasiliou; Emmanuel Sardis; Anastasios D. Doulamis; Vasilios Anagnostopoulos; Constantinos Lalos; Theodora A. Varvarigou (ICIP, 2011)

Translation of application-level terms to resource-level attributes across the Cloud stack layers. - George Kousiouris; Dimosthenis Kyriazis; Spyridon V. Gogouvitis; Andreas Menychtas; Kleopatra Konstanteli; Theodora A. Varvarigou (ISCC, 2011)

A Unified Management Model for Data Intensive Storage Clouds. - Athanasios Voulodimos; Spyridon V. Gogouvitis; Nikoletta Mavrogeorgi; Roman Talyansky; Dimosthenis Kyriazis; Stefanos Koutsoutos; Vasileios Alexandrou; Elliot K. Kolodner; Per Brand; Theodora A. Varvarigou (NCCA, 2011)

Enabling risk assessment and analysis by event detection in dementia patients using a reconfigurable rule set. - Stefanos Xefteris; Andrey Baboshin; Konstantinos Tserpes; Aggelos Androulidakis; Yuri Glickman; Theodora A. Varvarigou; Maria Haritou; Francesco D'Andria (PETRA, 2011)

Demonstration of the OPTIMIS Toolkit for Cloud Service Provisioning. - 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; et al. (ServiceWave, 2011)

Probabilistic admission control for elastic cloud computing. - Kleopatra Konstanteli; Theodora A. Varvarigou; Tommaso Cucinotta (SOCA, 2011)

QoS-oriented Service Management in clouds for large scale industrial activity recognition. - Athanasios Voulodimos; Dimosthenis Kyriazis; Spyridon V. Gogouvitis; Anastasios D. Doulamis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (SoCPaR, 2011)

An Industrial Visual Surveillance Framework Based on a Pre-Configured Behavior Repertoire: A Practical Approach. - Vasilios Anagnostopoulos; Emmanuel Sardis; Theodora A. Varvarigou (UKSim, 2011)

A Service Oriented Architecture Enabling Policy Simulation in Virtual Spaces. - Magdalini Kardara; Omri Fuchs; Fotis Aisopos; Athanasios Papaoikonomou; Konstantinos Tserpes; Theodora A. Varvarigou (VS-GAMES, 2011)

Interactive Social TV on Service Oriented Environments: Challenges and Enablers. - Dimosthenis Kyriazis; George Kousiouris; Andreas Menychtas; Anastasios D. Doulamis; Theodora A. Varvarigou (VS-GAMES, 2011)

Case-based approach using behavioural biometrics aimed at Assisted Living. - Stefanos Xefteris; Vassiliki Andronikou; Konstantinos Tserpes; Theodora A. Varvarigou (J. Ambient Intell. Humaniz. Comput., 2011)

The effects of scheduling, workload type and consolidation scenarios on virtual machine performance and their prediction through optimized artificial neural networks. - George Kousiouris; Tommaso Cucinotta; Theodora A. Varvarigou (J. Syst. Softw., 2011)

Online classification of visual tasks for industrial workflow monitoring. - Athanasios Voulodimos; Dimitrios I. Kosmopoulos; Galina V. Veres; Helmut Grabner; Luc Van Gool; Theodora A. Varvarigou (Neural Networks, 2011)

Exploiting grid technologies for the simulation of clinical trials: the paradigm of in silico radiation oncology. - Theodoros E. Athanaileas; Andreas Menychtas; Dimitra D. Dionysiou; Dimosthenis Kyriazis; Dimitra I. Kaklamani; Theodora A. Varvarigou; Nikolaos K. Uzunoglu; Georgios S. Stamatakos (Simul., 2011)

Service Quality Model Evaluation. - Fotis Aisopos; Magdalini Kardara; Vrettos Moulos; Athanasios Papaoikonomou; Konstantinos Tserpes; Theodora A. Varvarigou (Achieving Real-Time in Distributed Computing, 2012)

Taxonomy and State of the Art of Service Discovery Mechanisms and Their Relation to the Cloud Computing Stack. - George Kousiouris; Dimosthenis Kyriazis; Theodora A. Varvarigou; Eduardo Oliveros; Patrick Mandic (Achieving Real-Time in Distributed Computing, 2012)

Service Level Agreements for Real-Time Service-Oriented Infrastructures. - Roland Kübert; Georgina Gallizo; Theodoros Polychniatis; Theodora A. Varvarigou; Eduardo Oliveros; Stephen C. Phillips; Karsten Oberle (Achieving Real-Time in Distributed Computing, 2012)

A Holistic View of Information Management in Cloud Environments. - Gregory Katsaros; Spyridon V. Gogouvitis; Nikoletta Mavrogeorgi; Athanasios Voulodimos; Dimosthenis Kyriazis; Theodora A. Varvarigou; Roman Talyansky (IEEE CLOUD, 2012)

Admission Control for Elastic Cloud Services. - Kleopatra Konstanteli; Tommaso Cucinotta; Konstantinos Psychas; Theodora A. Varvarigou (IEEE CLOUD, 2012)

Content Based SLAs in Cloud Computing Environments. - Nikoletta Mavrogeorgi; Spyridon V. Gogouvitis; Athanasios Voulodimos; Gregory Katsaros; Stefanos Koutsoutos; Dimosthenis Kyriazis; Theodora A. Varvarigou; Elliot K. Kolodner (IEEE CLOUD, 2012)

A novel, algorithm metadata-aware architecture for biometric systems. - Vassiliki Andronikou; Stefanos Xefteris; Theodora A. Varvarigou (BioMS, 2012)

Legacy applications on the cloud: Challenges and enablers focusing on application performance analysis and providers characteristics. - George Kousiouris; Dimosthenis Kyriazis; Andreas Menychtas; Theodora A. Varvarigou (CCIS, 2012)

A Monitoring Mechanism for Storage Clouds. - Spyridon V. Gogouvitis; Vasileios Alexandrou; Nikoletta Mavrogeorgi; Stefanos Koutsoutos; Dimosthenis Kyriazis; Theodora A. Varvarigou (CGC, 2012)

ElaaS: An Innovative Elasticity as a Service Framework for Dynamic Management across the Cloud Stack Layers. - Pavlos Kranas; Vasilios Anagnostopoulos; Andreas Menychtas; Theodora A. Varvarigou (CISIS, 2012)

Social-like analysis on Virtual Machine communication traces. - Panagiotis C. Kokkinos; Theodora A. Varvarigou; Aristotelis Kretsis; Emmanouel A. Varvarigos (CloudNet, 2012)

Semantic Interoperability Between Clinical Research and Healthcare: The PONTE Approach. - Anastasios Tagaris; Efthymios Chondrogiannis; Vassiliki Andronikou; George Tsatsaronis 001; Konstantinos Mourtzoukos; Joseph Roumier; Nikolaos Matskanis; Michael Schroeder 001; Philippe Massonet; Dimitrios D. Koutsouris; Theodora A. Varvarigou (ESWC (Satellite Events), 2012)

Retrieving, Storing, Correlating and Distributing Information for Cloud Management. - Spyridon V. Gogouvitis; Gregory Katsaros; Dimosthenis Kyriazis; Athanasios Voulodimos; Roman Talyansky; Theodora A. Varvarigou (GECON, 2012)

Content vs. context for sentiment analysis: a comparative analysis over microblogs. - Fotis Aisopos; George Papadakis 001; Konstantinos Tserpes; Theodora A. Varvarigou (HT, 2012)

An Ontology for Social Networking Sites Interoperability. - Konstantinos Tserpes; George Papadakis 001; Magdalini Kardara; Athanasios Papaoikonomou; Fotis Aisopos; Emmanuel Sardis; Theodora A. Varvarigou (KEOD, 2012)

Building a virtual cluster using HPC-Europa2 live DVD. - Anthony Sulistio; Alexander Schulz 004; Rainer Keller; Panagiotis Kritikakos; Mourtzoukos Kostas; Theodora A. Varvarigou (HPCS, 2012)

Incorporating Business Intelligence in Cloud Marketplaces. - Anna Gatzioura; Andreas Menychtas; Vrettos Moulos; Theodora A. Varvarigou (ISPA, 2012)

SocIoS: A Social Media Application Ontology. - Konstantinos Tserpes; George Papadakis 001; Magdalini Kardara; Athanasios Papaoikonomou; Fotis Aisopos; Emmanuel Sardis; Theodora A. Varvarigou (OTM Workshops, 2012)

E-Government and Policy Simulation in Intelligent Virtual Environments. - Fotis Aisopos; Magdalini Kardara; Philipp Senger; Roman Klinger; Athanasios Papaoikonomou; Konstantinos Tserpes; Michael Gardner; Theodora A. Varvarigou (WEBIST, 2012)

A novel query rewriting mechanism for semantically interlinking clinical research with electronic health records. - Efthymios Chondrogiannis; Vassiliki Andronikou; Konstantinos Mourtzoukos; Anastasios Tagaris; Theodora A. Varvarigou (WIMS, 2012)

Influence patterns in topic communities of social media. - Mania Kardara; George Papadakis 001; Athanasios Papaoikonomou; Konstantinos Tserpes; Theodora A. Varvarigou (WIMS, 2012)

Textual and contextual patterns for sentiment analysis over microblogs. - Fotis Aisopos; George Papadakis 001; Konstantinos Tserpes; Theodora A. Varvarigou (WWW (Companion Volume), 2012)

Improving Multi-Camera Activity Recognition by Employing Neural Network Based Readjustment. - Athanasios Voulodimos; Nikolaos D. Doulamis; Dimitrios I. Kosmopoulos; Theodora A. Varvarigou (Appl. Artif. Intell., 2012)

Dynamic QoS-aware data replication in grid environments based on data "importance". - Vassiliki Andronikou; Konstantinos Mamouras; Konstantinos Tserpes; Dimosthenis Kyriazis; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2012)

OPTIMIS: A holistic approach to cloud service provisioning. - 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; et al. (Future Gener. Comput. Syst., 2012)

Workflow management for soft real-time interactive applications in virtualized environments. - Spyridon V. Gogouvitis; Kleopatra Konstanteli; Stefan Waldschmidt; George Kousiouris; Gregory Katsaros; Andreas Menychtas; Dimosthenis Kyriazis; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2012)

A recommender mechanism for service selection in service-oriented environments. - Konstantinos Tserpes; Fotis Aisopos; Dimosthenis Kyriazis; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2012)

Infrastructure and Network-aware Grids and Service Oriented Architectures. - Theodora A. Varvarigou; Anastasios D. Doulamis; Konstantinos Tserpes; Dimosthenis Kyriazis (Future Gener. Comput. Syst., 2012)

A Threefold Dataset for Activity and Workflow Recognition in Complex Industrial Environments. - Athanasios Voulodimos; Dimitrios I. Kosmopoulos; Georgios Vasiliou; Emmanuel Sardis; Vasilios Anagnostopoulos; Constantinos Lalos; Anastasios D. Doulamis; Theodora A. Varvarigou (IEEE Multim., 2012)

Policy Testing in Virtual Environments: Addressing Technical and Legal Challenges. - Magdalini Kardara; Omri Fuchs; Eleni Kosta; Fotis Aisopos; Ilias Spais; Theodora A. Varvarigou (Int. J. Electron. Gov. Res., 2012)

A Self-adaptive hierarchical monitoring mechanism for Clouds. - Gregory Katsaros; George Kousiouris; Spyridon V. Gogouvitis; Dimosthenis Kyriazis; Andreas Menychtas; Theodora A. Varvarigou (J. Syst. Softw., 2012)

Virtualised e-Learning on the IRMOS real-time Cloud. - Tommaso Cucinotta; Fabio Checconi; George Kousiouris; Kleopatra Konstanteli; Spyridon V. Gogouvitis; Dimosthenis Kyriazis; Theodora A. Varvarigou; Alessandro Mazzetti; Zlatko Zlatev; Juri Papay; Michael J. Boniface; Sören Berger; et al. (Serv. Oriented Comput. Appl., 2012)

Enabling Proactive Data Management in Virtualized Hadoop Clusters Based on Predicted Data Activity Patterns. - George Kousiouris; George Vafiadis; Theodora A. Varvarigou (3PGCIC, 2013)

Customized SLAs in Cloud Environments. - Nikoletta Mavrogeorgi; Vasileios Alexandrou; Spyridon V. Gogouvitis; Athanasios Voulodimos; Dimosthenis Kyriazis; Theodora A. Varvarigou; Elliot K. Kolodner (3PGCIC, 2013)

Secure Enterprise Interoperability Ontology for Semantic Integration of Business to Business Applications. - Emmanuel Sardis; Spyridon V. Gogouvitis; Thanassis Bouras; Panagiotis Gouvas; Theodora A. Varvarigou (3PGCIC, 2013)

Cost and Utilization Optimization of Amazon EC2 Instances. - Panagiotis C. Kokkinos; Theodora A. Varvarigou; Aristotelis Kretsis; Polyzois Soumplis; Emmanouel A. Varvarigos (IEEE CLOUD, 2013)

Dynamic Rule Based SLA Management in Clouds. - Nikoletta Mavrogeorgi; Spyridon V. Gogouvitis; Athanasios Voulodimos; Dimosthenis Kyriazis; Theodora A. Varvarigou; Alexandra Shulman-Peleg; Elliot K. Kolodner (IEEE CLOUD, 2013)

A social-aware multimedia system for interactive cultural and educational experiences. - Kleopatra Konstanteli; Athanasios Voulodimos; Konstantinos Psychas; Dimitri Nicolopoulos; Anthousis Andreadis; Simon Crowle; David Osbourne; Angelos Yannopoulos; Manolis Wallace; Theodora A. Varvarigou (ASONAM, 2013)

SLA Management in Clouds. - Nikoletta Mavrogeorgi; Spyridon V. Gogouvitis; Athanasios Voulodimos; Dimosthenis Kyriazis; Theodora A. Varvarigou; Elliot K. Kolodner (CLOSER, 2013)

The Strength of Negative Opinions. - Thanos Papaoikonomou; Mania Kardara; Konstantinos Tserpes; Theodora A. Varvarigou (EANN (2), 2013)

Smart, Autonomous and Reliable Internet of Things. - Dimosthenis Kyriazis; Theodora A. Varvarigou (EUSPN/ICTH, 2013)

Biopolis, Long Term Preservation of Digital User Content. - Emmanuel Sardis; Vasilios Anagnostopoulos; Anastasios D. Doulamis; Theodora A. Varvarigou (ICEBE, 2013)

Biopolis. - Vasilios Anagnostopoulos; Emmanuel Sardis; Anastasios D. Doulamis; Theodora A. Varvarigou (Intelligent Environments (Workshops), 2013)

QoS-oriented Service Management in large scale federated clouds. - Dimosthenis Kyriazis; Konstantinos Kostantos; Andrew Kapsalis; Spyridon V. Gogouvitis; Theodora A. Varvarigou (ISCC, 2013)

A Similarity-based Chinese Restaurant Process for Social Event Detection. - Athanasios Papaoikonomou; Konstantinos Tserpes; Magdalini Kardara; Theodora A. Varvarigou (MediaEval, 2013)

Leveraging Social Media and Multimedia Services for QoE Enhancement in Cultural Industries. - Kleopatra Konstanteli; Athanasios Voulodimos; Konstantinos Psychas; Dimitri Nicolopoulos; Anthousis Andreadis; Simon Crowle; David Salama Osborne; Manolis Wallace; Angelos Yannopoulos; Theodora A. Varvarigou (SMAP, 2013)

ARTIST Methodology and Framework: A Novel Approach for the Migration of Legacy Software on the Cloud. - Andreas Menychtas; Christina Santzaridou; George Kousiouris; Theodora A. Varvarigou; Leire Orue-Echevarria; Juncal Alonso; Jesús Gorroñogoitia; Hugo Bruneliere; Oliver Strauß; Tatiana Senkova; Bram Pellens; Peter Stuer (SYNASC, 2013)

Sustainable smart city IoT applications: Heat and electricity management & Eco-conscious cruise control for public transportation. - Dimosthenis Kyriazis; Theodora A. Varvarigou; Daniel White; Andrea Rossi 007; Joshua Cooper 001 (WOWMOM, 2013)

Estimation of Frame sequence noise with Removal of JPEG Artifacts. - Vasileios I. Anagnostopoulos; Emmanuel Sardis; Theodora A. Varvarigou (Int. J. Image Graph., 2013)

Parametric Design and Performance Analysis of a Decoupled Service-Oriented Prediction Framework Based on Embedded Numerical Software. - George Kousiouris; Andreas Menychtas; Dimosthenis Kyriazis; Kleopatra Konstanteli; Spyridon V. Gogouvitis; Gregory Katsaros; Theodora A. Varvarigou (IEEE Trans. Serv. Comput., 2013)

Video Annotation with Aggregate Social Network Data. - Georgios Palaiokrassas; Kleopatra Konstanteli; Athanasios Voulodimos; Konstantinos Psychas; Theodora A. Varvarigou; David Salama Osborne; Efstathia Chatzi (BDCloud, 2014)

Experimenting with Application-Based Benchmarks on Different Cloud Providers via a Multi-cloud Execution and Modeling Framework. - Athanasia Evangelinou; Nunzio Andrea Galante; George Kousiouris; Gabriele Giammatteo; Elton Kevani; Christoforos Stampoltas; Andreas Menychtas; Aliki Kopaneli; Kanchanna Ramasamy Balraj; Dimosthenis Kyriazis; Theodora A. Varvarigou; Peter Stuer; et al. (CLOSER (Selected Papers), 2014)

A Multi-Cloud Framework for Measuring and Describing Performance Aspects of Cloud Services Across Different Application Types. - George Kousiouris; Gabriele Giammatteo; Athanasia Evangelinou; Nunzio Andrea Galante; Elton Kevani; Christoforos Stampoltas; Andreas Menychtas; Aliki Kopaneli; Kanchanna Ramasamy Balraj; Dimosthenis Kyriazis; Theodora A. Varvarigou; Peter Stuer; et al. (CLOSER, 2014)

Comparing Methods for Twitter Sentiment Analysis. - Evangelos Psomakelis; Konstantinos Tserpes; Dimosthenis Anagnostopoulos; Theodora A. Varvarigou (KDIR, 2014)

Multi-criteria Virtual Machines Migration Considering the Reconfiguration of Their Logical Topology. - Panagiotis C. Kokkinos; Theodora A. Varvarigou; Aristotelis Kretsis; Emmanouel A. Varvarigos (MASCOTS, 2014)

PAT: An Intelligent Authoring Tool for Facilitating Clinical Trial Design. - Anastasios Tagaris; Vassiliki Andronikou; Efstathios Karanastasis; Efthymios Chondrogiannis; Charalambos Tsirmpas; Theodora A. Varvarigou; Dimitris Koutsouris (MIE, 2014)

Intelligent Clouds: A Middleware Architecture Supporting Business Elasticity. - Vasileios Anagnostopoulos; Vrettos Moulos; Andreas Menychtas; Theodora A. Varvarigou; Anna Gatzioura (Panhellenic Conference on Informatics, 2014)

Clustering Documents using the 3-Gram Graph Representation Model. - John Violos; Konstantinos Tserpes; Athanasios Papaoikonomou; Magdalini Kardara; Theodora A. Varvarigou (Panhellenic Conference on Informatics, 2014)

Achieving Autonomicity in IoT systems via Situational-Aware, Cognitive and Social Things. - Orfefs Voutyras; Spyridon V. Gogouvitis; Achilleas Marinakis; Theodora A. Varvarigou (Panhellenic Conference on Informatics, 2014)

An adaptive score model for a policy-making education game. - Anna Xenaki; Konstantinos Tserpes; Theodora A. Varvarigou (Panhellenic Conference on Informatics, 2014)

An Intelligent Ontology Alignment Tool Dealing with Complicated Mismatches. - Efthymios Chondrogiannis; Vassiliki Andronikou; Efstathios Karanastasis; Theodora A. Varvarigou (SWAT4LS, 2014)

An architecture supporting knowledge flow in Social Internet of Things systems. - Orfefs Voutyras; Panagiotis Bourelos; Dimosthenis Kyriazis; Theodora A. Varvarigou (WiMob, 2014)

SocIoS API: A Data Aggregator for Accessing User Generated Content from Online Social Networks. - Magdalini Kardara; Vasilis Kalogirou; Athanasios Papaoikonomou; Theodora A. Varvarigou; Konstantinos Tserpes (WISE Workshops, 2014)

Dynamic, behavioral-based estimation of resource provisioning based on high-level application terms in Cloud platforms. - George Kousiouris; Andreas Menychtas; Dimosthenis Kyriazis; Spyridon V. Gogouvitis; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2014)

4CaaSt marketplace: An advanced business environment for trading cloud services. - Andreas Menychtas; Jürgen Vogel 001; Andrea Giessmann; Anna Gatzioura; Sergio García-Gómez; Vrettos Moulos; Frederic Junker; Mathias Müller; Dimosthenis Kyriazis; Katarina Stanoevska-Slabeva; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2014)

Predicting Edge Signs in Social Networks Using Frequent Subgraph Discovery. - Athanasios Papaoikonomou; Magdalini Kardara; Konstantinos Tserpes; Theodora A. Varvarigou (IEEE Internet Comput., 2014)

Efficient tracking using a robust motion estimation technique. - Constantinos Lalos; Athanasios Voulodimos; Anastasios D. Doulamis; Theodora A. Varvarigou (Multim. Tools Appl., 2014)

A top-down event-driven approach for concurrent activity recognition. - Athanasios Voulodimos; Dimitrios I. Kosmopoulos; Nikolaos D. Doulamis; Theodora A. Varvarigou (Multim. Tools Appl., 2014)

Software modernization and cloudification using the ARTIST migration methodology and framework. - Andreas Menychtas; Kleopatra Konstanteli; Juncal Alonso; Leire Orue-Echevarria; Jesús Gorroñogoitia; George Kousiouris; Christina Santzaridou; Hugo Bruneliere; Bram Pellens; Peter Stuer; Oliver Strauß; Tatiana Senkova; et al. (Scalable Comput. Pract. Exp., 2014)

Elastic Admission Control for Federated Cloud Services. - Kleopatra Konstanteli; Tommaso Cucinotta; Konstantinos Psychas; Theodora A. Varvarigou (IEEE Trans. Cloud Comput., 2014)

Comparison of Database and Workload Types Performance in Cloud Environments. - George Seriatos; George Kousiouris; Andreas Menychtas; Dimosthenis Kyriazis; Theodora A. Varvarigou (ALGOCLOUD, 2015)

Trust Inference in Online Social Networks. - Athanasios Papaoikonomou; Magdalini Kardara; Theodora A. Varvarigou (ASONAM, 2015)

A Model Driven Approach for Supporting the Cloud Target Selection Process. - Aliki Kopaneli; George Kousiouris; Gorka Mikel Echevarria Velez; Athanasia Evangelinou; Theodora A. Varvarigou (Cloud Forward, 2015)

Social monitoring and social analysis in internet of things virtual networks. - Orfefs Voutyras; Panagiotis Bourelos; Spyridon V. Gogouvitis; Dimosthenis Kyriazis; Theodora A. Varvarigou (ICIN, 2015)

Opportunistic Collaborative Service Networks: The Facilitator for Efficient Data and Services Exchange. - Dimosthenis Kyriazis; George Kousiouris; Alexandros Psychas; Andreas Menychtas; Theodora A. Varvarigou (IoT 360 (1), 2015)

High performance fault-tolerance for clouds. - Dimosthenis Kyriazis; Vasileios I. Anagnostopoulos; Andrea Arcangeli; David Gilbert; Dimitrios Kalogeras; Ronen I. Kat; Cristian Klein; Panagiotis C. Kokkinos; Yossi Kuperman; Joel Nider; Petter Svärd; Luis Tomás; et al. (ISCC, 2015)

An Advanced Query and Result Rewriting Mechanism for Information Retrieval Purposes from RDF Datasources. - Efthymios Chondrogiannis; Vassiliki Andronikou; Efstathios Karanastasis; Theodora A. Varvarigou (KESW, 2015)

Heating schedule management approach through decentralized knowledge diffusion in the context of social internet of things. - Panagiotis Bourelos; George Kousiouris; Orfefs Voutyras; Theodora A. Varvarigou (Panhellenic Conference on Informatics, 2015)

Meaning Inference of Abbreviations Appearing in Clinical Studies. - Efthymios Chondrogiannis; Vassiliki Andronikou; Efstathios Karanastasis; Theodora A. Varvarigou (SLATE, 2015)

Mantis: Cloud-based optical network planning and operation tool. - Aristotelis Kretsis; Panagiotis C. Kokkinos; Konstantinos Christodoulopoulos; Theodora A. Varvarigou; Emmanouel A. Varvarigos (Comput. Networks, 2015)

SuMo: Analysis and Optimization of Amazon EC2 Instances. - Panagiotis C. Kokkinos; Theodora A. Varvarigou; Aristotelis Kretsis; Polyzois Soumplis; Emmanouel A. Varvarigos (J. Grid Comput., 2015)

Large-scale evaluation framework for local influence theories in Twitter. - Magdalini Kardara; George Papadakis 001; Athanasios Papaoikonomou; Konstantinos Tserpes; Theodora A. Varvarigou (Inf. Process. Manag., 2015)

Combining Social, Audiovisual and Experiment Content for Enhanced Cultural Experiences. - Kleopatra Konstanteli; Athanasios Voulodimos; Georgios Palaiokrassas; Konstantinos Psychas; Simon Crowle; David Salama Osborne; Efstathia Chatzi; Theodora A. Varvarigou (Applications of Social Media and Social Network Analysis, 2015)

Using N-Gram Graphs for Sentiment Analysis: An Extended Study on Twitter. - Fotis Aisopos; Dimitrios Tzannetos; John Violos; Theodora A. Varvarigou (BigDataService, 2016)

TRM-SIoT: A scalable hybrid trust & reputation model for the social Internet of Things. - Eleftherios Kokoris-Kogias; Orfefs Voutyras; Theodora A. Varvarigou (ETFA, 2016)

Scalable and Efficient Big Data Analytics - The LeanBigData Approach. - Ricardo Jimenez; Marta Patiño 001; Valerio Vianello; Ivan Brondino; Ricardo Vilaça; Jorge Teixeira; Miguel Biscaia; Giannis Drossis; Damien Michel; Chryssi Birliraki; George Margetis; Antonis A. Argyros; et al. (EPS, 2016)

Efficient Context Management and Personalized User Recommendations in a Smart Social TV Environment. - Fotis Aisopos; Angelos Valsamis; Alexandros Psychas; Andreas Menychtas; Theodora A. Varvarigou (GECON, 2016)

Robust Content-Centric SLA Enforcement in Federated Cloud Environments. - Nikoletta Mavrogeorgi; Athanasios Voulodimos; Vassilios Alexandrou; Spyridon V. Gogouvitis; Theodora A. Varvarigou (GECON, 2016)

Second Screen User Profiling and Multi-level Smart Recommendations in the Context of Social TVs. - Angelos Valsamis; Alexandros Psychas; Fotis Aisopos; Andreas Menychtas; Theodora A. Varvarigou (SETE@ICWL, 2016)

Sentiment Analysis using Word-Graphs. - John Violos; Konstantinos Tserpes; Evangelos Psomakelis; Konstantinos Psychas; Theodora A. Varvarigou (WIMS, 2016)

Social Media Interaction and Analytics for Enhanced Educational Experiences. - Georgios Palaiokrassas; Athanasios Voulodimos; Kleopatra Konstanteli; Nicholas Vretos; David Salama Osborne; Efstathia Chatzi; Petros Daras; Dora Varvarigou (IEEE Multim., 2016)

Ontology-Driven Interactive Visualization of Film Production Complexity Using a Visual Language. - Yannis Christodoulou; Angelos Yannopoulos; Effie J. Bountris; Theodora A. Varvarigou (Int. J. Semantic Web Inf. Syst., 2016)

An IoT Architecture for Personalized Recommendations over Big Data Oriented Applications. - Georgios Palaiokrassas; Ilias Karlis; Antonios Litke; Vassilios Charlaftis; Theodora A. Varvarigou (COMPSAC (2), 2017)

User Behavior and Application Modeling in Decentralized Edge Cloud Infrastructures. - John Violos; Vinicius Monteiro de Lira; Patrizio Dazzi; Jörn Altmann; Baseem Al-athwari; Antonia Schwichtenberg; Young-Woo Jung; Theodora A. Varvarigou; Konstantinos Tserpes (GECON, 2017)

Semantically-Enabled Context-Aware Abbreviations Expansion in the Clinical Domain. - Efthymios Chondrogiannis; Vassiliki Andronikou; Theodora A. Varvarigou; Efstathios Karanastasis (ICBBT, 2017)

A Toolkit Based Architecture for Optimizing Cloud Management, Performance Evaluation and Provider Selection Processes. - George Kousiouris; Fotis Aisopos; Alexandros Psychas; Theodora A. Varvarigou; Jörg Domaschka; Daniel Baur; Frank Griesinger; V. Nikolov; George L. Lyberopoulos; Eleni Theodoropoulou; Ioanna Mesogiti; Dimitrios Charilas; et al. (HPCS, 2017)

Recommendation Service for Big Data Applications in Smart Cities. - Georgios Palaiokrassas; Vassilios Charlaftis; Antonios Litke; Theodora A. Varvarigou (HPCS, 2017)

A novel semantic representation for eligibility criteria in clinical trials. - Efthymios Chondrogiannis; Vassiliki Andronikou; Anastasios Tagaris; Efstathios Karanastasis; Theodora A. Varvarigou; Masatsugu Tsuji (J. Biomed. Informatics, 2017)

Building a Repository for Inferring the Meaning of Abbreviations Used in Clinical Studies. - Efthymios Chondrogiannis; Efstathios Karanastasis; Vassiliki Andronikou; Theodora A. Varvarigou (J. Comput., 2017)

Employing traditional machine learning algorithms for big data streams analysis: The case of object trajectory prediction. - Angelos Valsamis; Konstantinos Tserpes; Dimitrios Zissis; Dimosthenis Anagnostopoulos; Theodora A. Varvarigou (J. Syst. Softw., 2017)

Special issue on "Software architectures and systems for real time data stream analytics". - Theodora A. Varvarigou; Dimitrios Zissis; Konstantinos Tserpes (J. Syst. Softw., 2017)

BUDaMaF - Data Management in Cloud Federations. - Evangelos Psomakelis; Konstantinos Tserpes; Dimosthenis Anagnostopoulos; Theodora A. Varvarigou (CLOSER, 2018)

Towards the Establishment of a Biomedical Ontology for the Primary Sjögren's Syndrome. - Vasileios C. Pezoulas; Themis P. Exarchos; Vassiliki Andronikou; Theodora A. Varvarigou; Athanasios G. Tzioufas; Salvatore de Vita; Dimitrios I. Fotiadis (EMBC, 2018)

Deploying Blockchains for a New Paradigm of Media Experience. - Georgios Palaiokrassas; Antonios Litke; Georgios Fragkos; Vasileios Papaefthymiou; Theodora A. Varvarigou (GECON, 2018)

Dynamic Service Detection for Automated Patient Selection for Study Recruitment Purposes. - Efthymios Chondrogiannis; Vassiliki Andronikou; Efstathios Karanastasis; Theodora A. Varvarigou (ICDE Workshops, 2018)

Implementation of smart contracts for blockchain based IoT applications. - Georgios Papadodimas; Georgios Palaiokrassas; Antonios Litke; Theodora A. Varvarigou (NOF, 2018)

A De-centralized Framework for Data Sharing, Ontology Matching and Distributed Analytics. - Vasileios C. Pezoulas; Konstantina D. Kourou; Themis P. Exarchos; Vassiliki Andronikou; Theodora A. Varvarigou; Athanasios G. Tzioufas; Salvatore de Vita; Dimitrios I. Fotiadis (SWH@ISWC, 2018)

Text Classification Using the N-Gram Graph Representation Model Over High Frequency Data Streams. - John Violos; Konstantinos Tserpes; Iraklis Varlamis; Theodora A. Varvarigou (Frontiers Appl. Math. Stat., 2018)

Enterprise applications cloud rightsizing through a joint benchmarking and optimization approach. - Athanasia Evangelinou; Michele Ciavotta; Danilo Ardagna; Aliki Kopaneli; George Kousiouris; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2018)

An integrated information lifecycle management framework for exploiting social network data to identify dynamic large crowd concentration events in smart cities applications. - George Kousiouris; Adnan Akbar; Juan Sancho; Paula Ta-Shma; Alexandros Psychas; Dimosthenis Kyriazis; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2018)

A Novel Approach for Clinical Data Harmonization. - Efthymios Chondrogiannis; Vassiliki Andronikou; Efstathios Karanastasis; Theodora A. Varvarigou (BigComp, 2019)

Predicting Visitor Distribution for Large Events in Smart Cities. - John Violos; Sotiris Pelekis; Anastasis Berdelis; Stylianos Tsanakas; Konstantinos Tserpes; Theodora A. Varvarigou (BigComp, 2019)

Mapping of Quality of Service Requirements to Resource Demands for IaaS. - Ioannis Bouras; Fotis Aisopos; John Violos; George Kousiouris; Alexandros Psychas; Theodora A. Varvarigou; Gerasimos Xydas; Dimitrios Charilas; Yiannis Stavroulas (CLOSER, 2019)

Leveraging User Mobility and Mobile App Services Behavior for Optimal Edge Resource Utilization. - John Violos; Evangelos Psomakelis; Konstantinos Tserpes; Fotis Aisopos; Theodora A. Varvarigou (COINS, 2019)

Data-empowered clinical trial design and eligible patient selection through the PONTE platform. - Efstathios Karanastasis; Vassiliki Andronikou; Efthymios Chondrogiannis; Anastasios Tagaris; Konstantinos Mourtzoukos; Alexandros Psychas; Theodora A. Varvarigou (Simul. Model. Pract. Theory, 2019)

Using LSTM Neural Networks as Resource Utilization Predictors: The Case of Training Deep Learning Models on the Edge. - John Violos; Evangelos Psomakelis; Dimitrios Danopoulos; Stylianos Tsanakas; Theodora A. Varvarigou (GECON, 2020)

Next Position Prediction using LSTM Neural Networks. - John Violos; Stylianos Tsanakas; Maro Androutsopoulou; Georgios Palaiokrassas; Theodora A. Varvarigou (SETN, 2020)

A Graph Model Based Blockchain Implementation for Increasing Performance and Security in Decentralized Ledger Systems. - Konstantinos Tsoulias; Georgios Palaiokrassas; Georgios Fragkos; Antonios Litke; Theodora A. Varvarigou (IEEE Access, 2020)

Smart heating in collaborative and reasoning-enabled housing units. - Panagiotis Bourelos; George Kousiouris; Orfefs Voutyras; Achilleas Marinakis; Theodora A. Varvarigou; Vrettos Moulos (Future Gener. Comput. Syst., 2020)

Context agnostic trajectory prediction based on λ-architecture. - Evangelos Psomakelis; Konstantinos Tserpes; Dimitris Zissis; Dimosthenis Anagnostopoulos; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2020)

Cloud toolkit for Provider assessment, optimized Application Cloudification and deployment on IaaS. - Alexandros Psychas; John Violos; Fotis Aisopos; Athanasia Evangelinou; George Kousiouris; Ioannis Bouras; Theodora A. Varvarigou; G. Xidas; Dimitrios Charilas; Yiannis Stavroulas (Future Gener. Comput. Syst., 2020)

Know Your Customer (KYC) Implementation with Smart Contracts on a Privacy-Oriented Decentralized Architecture. - Nikolaos Kapsoulis; Alexandros Psychas; Georgios Palaiokrassas; Achilleas Marinakis; Antonios Litke; Theodora A. Varvarigou (Future Internet, 2020)

Consortium Blockchain Smart Contracts for Musical Rights Governance in a Collective Management Organizations (CMOs) Use Case. - Nikolaos Kapsoulis; Alexandros Psychas; Georgios Palaiokrassas; Achilleas Marinakis; Antonios Litke; Theodora A. Varvarigou; Charalampos Bouchlis; Amaryllis Raouzaiou; Gonçal Calvo; Jordi Escudero Subirana (Future Internet, 2020)

A Scalable and Semantic Data as a Service Marketplace for Enhancing Cloud-Based Applications. - Evangelos Psomakelis; Anastasios Nikolakopoulos; Achilleas Marinakis; Alexandros Psychas; Vrettos Moulos; Theodora A. Varvarigou; Andreas Christou (Future Internet, 2020)

Disaster Recovery Layer for Distributed OpenStack Deployments. - Luis Tomás; Panagiotis C. Kokkinos; Vasilios Anagnostopoulos; Oshrit Feder; Dimosthenis Kyriazis; Kalman Z. Meth; Emmanouel A. Varvarigos; Theodora A. Varvarigou (IEEE Trans. Cloud Comput., 2020)

Hypertuming GRU Neural Networks for Edge Resource Usage Prediction. - John Violos; Stylianos Tsanakas; Theodoros Theodoropoulos; Aris Leivadeas; Konstantinos Tserpes; Theodora A. Varvarigou (ISCC, 2021)

Predicting Resource Usage in Edge Computing Infrastructures with CNN and a Hybrid Bayesian Particle Swarm Hyper-parameter Optimization Model. - John Violos; Tita Pagoulatou; Stylianos Tsanakas; Konstantinos Tserpes; Theodora A. Varvarigou (SAI (2), 2021)

Hoplite Antivirus for Adversarial Attacks: A Theoretical Approach. - Anastasios Nikolakopoulos; Achilleas Marinakis; Vrettos Moulos; Theodora A. Varvarigou (WEBIST, 2021)

Reinforcing SLA Consensus on Blockchain. - Nikolaos Kapsoulis; Alexandros Psychas; Antonios Litke; Theodora A. Varvarigou (Comput., 2021)

Combining Blockchains, Smart Contracts, and Complex Sensors Management Platform for Hyper-Connected SmartCities: An IoT Data Marketplace Use Case. - Georgios Palaiokrassas; Petros Skoufis; Orfefs Voutyras; Takafumi Kawasaki; Mathieu Gallissot; Radhouene Azzabi; Akira Tsuge; Antonios Litke; Tadashi Okoshi; Jin Nakazawa; Theodora A. Varvarigou (Comput., 2021)

A Methodology for Generating Systems Architectural Glimpse Statements Using the 5W1H Maxim. - Orfefs Voutyras; Aamir H. Bokhari; Akira Tsuge; Georgios Palaiokrassas; Takafumi Kawasaki; Xavier Cases-Camats; Jin Nakazawa; Antonios Litke; Tadashi Okoshi; Theodora A. Varvarigou (Comput., 2021)

SCAL-E: An Auto Scaling Agent for Optimum Big Data Load Balancing in Kubernetes Environments. - Efstratios Karypiadis; Anastasios Nikolakopoulos; Achilleas Marinakis; Vrettos Moulos; Theodora A. Varvarigou (CITS, 2022)

Efficient Data Management and Interoperability Middleware in Business-Oriented Smart Port Use Cases. - Achilleas Marinakis; Matilde Julián Segui; Andreu Belsa Pellicer; Carlos Enrique Palau; Christos-Antonios Gizelis; Anastasios Nikolakopoulos; Antonios M. Misargopoulos; Filippos Nikolopoulos-Gkamatsis; Michalis Kefalogiannis; Theodora A. Varvarigou; Konstantinos Nestorakis; Vrettos Moulos (AIAI (Workshops), 2022)

Intelligent Horizontal Autoscaling in Edge Computing using a Double Tower Neural Network. - John Violos; Stylianos Tsanakas; Theodoros Theodoropoulos; Aris Leivadeas; Konstantinos Tserpes; Theodora A. Varvarigou (Comput. Networks, 2022)

GPU accelerated blockchain over key-value database transactions. - Konstantinos Iliakis; Konstantina Koliogeorgi; Antonios Litke; Theodora A. Varvarigou; Dimitrios Soudris (IET Blockchain, 2022)

HLF-Kubed: Blockchain-Based Resource Monitoring for Edge Clusters. - Achilleas Tzenetopoulos; Dimosthenis Masouros; Nikolaos Kapsoulis; Antonios Litke; Dimitrios Soudris; Theodora A. Varvarigou (Ledger, 2022)

Intelligent Proactive Fault Tolerance at the Edge through Resource Usage Prediction. - Theodoros Theodoropoulos; John Violos; Stylianos Tsanakas; Aris Leivadeas; Konstantinos Tserpes; Theodora A. Varvarigou (CoRR, 2023)

An evaluation of time series forecasting models on water consumption data: A case study of Greece. - Ioannis Kontopoulos; Antonios Makris; Konstantinos Tserpes; Theodora A. Varvarigou (CoRR, 2023)

BigDaM: Efficient Big Data Management and Interoperability Middleware for Seaports as Critical Infrastructures. - Anastasios Nikolakopoulos; Matilde Julián Segui; Andreu Belsa Pellicer; Michalis Kefalogiannis; Christos-Antonios Gizelis; Achilleas Marinakis; Konstantinos Nestorakis; Theodora A. Varvarigou (Comput., 2023)

Reinforcement learning with smart contracts on blockchains. - Theodoros-Thirimachos Davarakis; Georgios Palaiokrassas; Antonios Litke; Theodora A. Varvarigou (Future Gener. Comput. Syst., 2023)

Optimizing Resource Allocation in the Edge: A Minimum Weighted Vertex Cover Approach. - Antonios Makris; Emmanouil Maragkoudakis; Ioannis Kontopoulos; Theodoros Theodoropoulos; Ioannis Korontanis; Emanuele Carlini; Matteo Mordacchini; Patrizio Dazzi; Theodora A. Varvarigou (FRAME@HPDC, 2024)

A Network-Based Intrusion Detection System Based on Widely Used Cybersecurity Datasets and State of the Art ML Techniques. - Efthymios Chondrogiannis; Efstathios Karanastasis; Vassiliki Andronikou; Theodora A. Varvarigou (AIAI (1), 2024)

Scalable Data Profiling for Quality Analytics Extraction. - Anastasios Nikolakopoulos; Efthymios Chondrogiannis; Efstathios Karanastasis; María José López Osa; Jordi Arjona Aroca; Michalis Kefalogiannis; Vasiliki Apostolopoulou; Efstathia Deligeorgi; Vasileios Siopidis; Theodora A. Varvarigou (AIAI (Workshops), 2024)

Blockchain privacy: Fundamental aspects and challenges for the future Internet data sharing. - Nikolaos Kapsoulis; Alexandros Psychas; Antonios Litke; Theodora A. Varvarigou (IET Blockchain, 2024)

Exploring the Potential of Offline LLMs in Data Science: A Study on Code Generation for Data Analysis. - Anastasios Nikolakopoulos; Antonios Litke; Alexandros Psychas; Eleni Veroni; Theodora A. Varvarigou (IEEE Access, 2025)