Theodora A. Varvarigou - researchr alias

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2011

An Industrial Visual Surveillance Framework Based on a Pre-Configured Behavior Repertoire: A Practical ApproachVasilios Anagnostopoulos, Emmanuel Sardis, Theodora A. Varvarigou. uksim 2011: 177-182 [doi]

Translation of application-level terms to resource-level attributes across the Cloud stack layersGeorge Kousiouris, Dimosthenis Kyriazis, Spyridon V. Gogouvitis, Andreas Menychtas, Kleopatra Konstanteli, Theodora A. Varvarigou. ISCC 2011: 153-160 [doi]

The effects of scheduling, workload type and consolidation scenarios on virtual machine performance and their prediction through optimized artificial neural networksGeorge Kousiouris, Tommaso Cucinotta, Theodora A. Varvarigou. jss, 84(8):1270-1291, 2011. [doi]

Multi-agent based Surveillance of Human WorkflowsEmmanuel Sardis, Vasilios Anagnostopoulos, Theodora A. Varvarigou. icaart 2011: 524-530

Online classification of visual tasks for industrial workflow monitoringAthanasios Voulodimos, Dimitrios I. Kosmopoulos, Galina I. Veres, Helmut Grabner, Luc J. Van Gool, Theodora A. Varvarigou. NN, 24(8):852-860, 2011. [doi]

Case-based approach using behavioural biometrics aimed at Assisted LivingStefanos Xefteris, Vassiliki Andronikou, Konstantinos Tserpes, Theodora A. Varvarigou. jaihc, 2(2):73-80, 2011. [doi]

2010

Semantically-enabled Intelligent Patient Recruitment in Clinical TrialsVassiliki Andronikou, Efstathios Karanastasis, Efthymios Chondrogiannis, Konstantinos Tserpes, Theodora A. Varvarigou. 3pgcic 2010: 326-331 [doi]

Virtualised e-Learning with real-time guarantees on the IRMOS platformTommaso 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, Manuel Stein. soca 2010: 1-8 [doi]

Networks for Grid Applications - Third International ICST Conference, GridNets 2009, Athens, Greece, September 8-9, 2009, Revised Selected PapersAnastasios D. Doulamis, Joe Mambretti, Ioannis Tomkos, Theodora A. Varvarigou, editors, Volume 25 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Springer, 2010. [doi]

Analysis and retrieval of events/actions and workflows in video streamsAnastasios D. Doulamis, Luc J. Van Gool, Mark Nixon, Nikolaos D. Doulamis, Theodora A. Varvarigou. mta, 50(1):1-6, 2010. [doi]

A Service Oriented Architecture for achieving QoSaware Workflow Management in Virtualized EnvironmentsSpyridon V. Gogouvitis, Kleopatra Konstanteli, George Kousiouris, Gregory Katsaros, Dimosthenis Kyriazis, Theodora A. Varvarigou. cnsm 2010: 398-401 [doi]

An Architectural Approach for Event-Based Execution Management in Service Oriented InfrastructuresSpyridon V. Gogouvitis, Kleopatra Konstanteli, Dimosthenis Kyriazis, Theodora A. Varvarigou. synasc 2010: 395-399 [doi]

A service oriented monitoring framework for soft real-time applicationsGregory Katsaros, George Kousiouris, Spyridon V. Gogouvitis, Dimosthenis Kyriazis, Theodora A. Varvarigou. soca 2010: 1-4 [doi]

Optimum allocation of distributed service workflows with probabilistic real-time guaranteesKleopatra Konstanteli, Tommaso Cucinotta, Theodora A. Varvarigou. soca, 4(4):229-243, 2010. [doi]

Execution Management for Mobile Service-Oriented EnvironmentsKleopatra Konstanteli, Tom Kirkham, Julian R. Gallop, Brian Matthews, Ian J. Johnson, Magdalini Kardara, Theodora A. Varvarigou. ijssoe, 1(3):39-59, 2010. [doi]

Behavior Recognition from Multiple Views Using Fused Hidden Markov ModelsDimitrios I. Kosmopoulos, Athanasios Voulodimos, Theodora A. Varvarigou. setn 2010: 345-350 [doi]

Robust Human Behavior Modeling from Multiple CamerasDimitrios I. Kosmopoulos, Athanasios Voulodimos, Theodora A. Varvarigou. icpr 2010: 3575-3578 [doi]

A Service-Oriented Framework for GNU Octave-Based Performance PredictionGeorge Kousiouris, Dimosthenis Kyriazis, Kleopatra Konstanteli, Spyridon V. Gogouvitis, Gregory Katsaros, Theodora A. Varvarigou. IEEEscc 2010: 114-121 [doi]

Minimizing Technical Complexities in Emerging Cloud Computing PlatformsAndreas Menychtas, George Kousiouris, Dimosthenis Kyriazis, Theodora A. Varvarigou. europar 2011: 603-610 [doi]

Multi-agent Based Surveillance of WorkflowsEmmanuel Sardis, Vasilios Anagnostopoulos, Theodora A. Varvarigou. iat 2010: 419-422 [doi]

Service Selection Decision Support in the Internet of ServicesKonstantinos Tserpes, Fotis Aisopos, Dimosthenis Kyriazis, Theodora A. Varvarigou. gecon 2010: 16-33 [doi]

A Study on the Effect of Application and Resource Characteristics on the QoS in Service Provisioning EnvironmentsTheodora A. Varvarigou, Konstantinos Tserpes, Dimosthenis Kyriazis, Fabrizio Silvestri, Nikolaos Psimogiannos. ijdst, 1(1):55-75, 2010. [doi]

Robust Workflow Recognition Using Holistic Features and Outlier-Tolerant Fused Hidden Markov ModelsAthanasios Voulodimos, Helmut Grabner, Dimitrios I. Kosmopoulos, Luc J. Van Gool, Theodora A. Varvarigou. icann 2010: 551-560 [doi]

Analysis of requirements and specifications for a monitoring system to support the self-management of dementia patients at homeStefanos Xefteris, Maria Haritou, Konstantinos Tserpes, Alessandro Serretti, Josep Ramon Llopart, Raffaella Calati, Theodora A. Varvarigou. petra 2010: [doi]

2009

Robust Sequential Data Modeling Using an Outlier Tolerant Hidden Markov ModelSotirios Chatzis, Dimitrios I. Kosmopoulos, Theodora A. Varvarigou. pami, 31(9):1657-1669, 2009. [doi]

Factor Analysis Latent Subspace Modeling and Robust Fuzzy Clustering Using t -DistributionsSotirios Chatzis, Theodora A. Varvarigou. tfs, 17(3):505-517, 2009. [doi]

Advance reservations for distributed real-time workflows with probabilistic service guaranteesTommaso Cucinotta, Kleopatra Konstanteli, Theodora A. Varvarigou. soca 2009: 1-8 [doi]

A secure framework exploiting content guided and automated algorithms for real time video searchingDimitrios Halkos, Nikolaos D. Doulamis, Anastasios D. Doulamis, Angelos A. Yannopoulos, Theodora A. Varvarigou, George Mourkousis, Katerina Tsiara. mta, 42(3):341, 2009. [doi]

Service oriented license providingGregory Katsaros, Savvas Antonopoulos, Dimosthenis Kyriazis, Theodora A. Varvarigou. soca 2009: 1-5 [doi]

Real-Time Guarantees in Flexible Advance ReservationsKleopatra Konstanteli, Dimosthenis Kyriazis, Theodora A. Varvarigou, Tommaso Cucinotta, Gaetano Anastasi. compsac 2009: 67-72 [doi]

Service selection and workflow mapping for Grids: an approach exploiting quality-of-service informationDimosthenis Kyriazis, Konstantinos Tserpes, Andreas Menychtas, Ioannis Sarantidis, Theodora A. Varvarigou. concurrency, 21(6):739-766, 2009. [doi]

A QoS-Based Selection Mechanism Exploiting Business Relationships in WorkflowsDimosthenis Kyriazis, Konstantinos Tserpes, Ioannis Papagiannis, Kleopatra Konstanteli, Theodora A. Varvarigou. gecon 2009: 102-115 [doi]

Hybrid tracking approach for assistive environmentsConstantinos Lalos, Vasilios Anagnostopoulos, Kleopatra Konstanteli, Theodora A. Varvarigou. petra 2009: [doi]

Fault tolerant and prioritized scheduling in OGSA-based mobile GridsAntonios Litke, Dimitrios Halkos, Konstantinos Tserpes, Dimosthenis Kyriazis, Theodora A. Varvarigou. concurrency, 21(4):533-556, 2009. [doi]

Special section: Real-time attributes in gridsTheodora A. Varvarigou, Antonios Litke, Dimosthenis Kyriazis. fgcs, 25(7):756-757, 2009. [doi]

2008

A grid-enabled toolkit for in silico oncology simulationsTheodoros E. Athanaileas, Georgios S. Stamatakos, Andreas Menychtas, Dimitra I. Kaklamani, Dimitra D. Dionysiou, Theodora A. Varvarigou, Nikolaos K. Uzunoglu. simutools 2008: 58 [doi]

Robust fuzzy clustering using mixtures of Student s-t distributionsSotirios Chatzis, Theodora A. Varvarigou. prl, 29(13):1901-1905, 2008. [doi]

A Fuzzy Clustering Approach Toward Hidden Markov Random Field Models for Enhanced Spatially Constrained Image SegmentationSotirios Chatzis, Theodora A. Varvarigou. tfs, 16(5):1351-1361, 2008. [doi]

A robust approach towards sequential data modeling and its application in automatic gesture recognitionSotirios Chatzis, Dimitrios I. Kosmopoulos, Theodora A. Varvarigou. icassp 2008: 1937-1940 [doi]

Signal Modeling and Classification Using a Robust Latent Space Model Based on t DistributionsSotirios Chatzis, Dimitrios I. Kosmopoulos, Theodora A. Varvarigou. tsp, 56(3):949-963, 2008. [doi]

First ACM international workshop on analysis and retrieval of events, actions and workflows in video streamsAnastasios D. Doulamis, Luc J. Van Gool, Mark Nixon, Theodora A. Varvarigou, Nikolaos D. Doulamis. mm 2008: 1147-1148 [doi]

Proceedings of the 1st ACM Workshop on Analysis and Retrieval of Events/Actions and Workflows in Video Streams, AREA 2008, Vancouver, British Columbia, Canada, October 31, 2008Anastasios D. Doulamis, Luc J. Van Gool, Mark Nixon, Theodora A. Varvarigou, Nikolaos D. Doulamis, Manolis Sardis, editors, ACM, 2008.

An architecture for a self configurable video supervisionAnastasios D. Doulamis, Dimitrios I. Kosmopoulos, Manolis Sardis, Theodora A. Varvarigou. mm 2008: 97-104 [doi]

Realtime-enabled workflow management in service oriented infrastructuresSpyridon V. Gogouvitis, George Kousiouris, Kleopatra Konstanteli, Theodoros Polychniatis, Andreas Menychtas, Dimosthenis Kyriazis, Theodora A. Varvarigou. mm 2008: 119-124 [doi]

An innovative workflow mapping mechanism for Grids in the frame of Quality of ServiceDimosthenis Kyriazis, Konstantinos Tserpes, Andreas Menychtas, Antonios Litke, Theodora A. Varvarigou. fgcs, 24(6):498-511, 2008. [doi]

Clinical trial simulation in Grid environmentsDimosthenis Kyriazis, Andreas Menychtas, Dimitra D. Dionysiou, Georgios S. Stamatakos, Theodora A. Varvarigou. bibe 2008: 1-6 [doi]

QoS-Based Decision Services in GridsDimosthenis Kyriazis, Peer Hasselmeyer, Konstantinos Tserpes, Andreas Menychtas, Theodora A. Varvarigou. pci 2008: 78-82 [doi]

Data Aggregation and Analysis: A Grid-Based Approach for Medicine and BiologyDimosthenis Kyriazis, Konstantinos Tserpes, George Kousiouris, Andreas Menychtas, Gregory Katsaros, Theodora A. Varvarigou. ispa 2008: 841-848 [doi]

Managing service level agreement contracts in OGSA-based GridsAntonios Litke, Kleopatra Konstanteli, Vassiliki Andronikou, Sotirios Chatzis, Theodora A. Varvarigou. fgcs, 24(4):245-258, 2008. [doi]

MI-MERCURY: A mobile agent architecture for ubiquitous retrieval and delivery of multimedia informationNikolaos Papadakis, Anastasios D. Doulamis, Antonios Litke, Nikolaos D. Doulamis, Dimitrios Skoutas, Theodora A. Varvarigou. mta, 38(1):147-184, 2008. [doi]

Business Relationships in Grid WorkflowsIoannis Papagiannis, Dimosthenis Kyriazis, Magdalini Kardara, Vassiliki Andronikou, Theodora A. Varvarigou. gecon 2008: 28-40 [doi]

Evaluating Quality Provisioning Levels in Service Oriented Business EnvironmentsKonstantinos Tserpes, Dimosthenis Kyriazis, Andreas Menychtas, Antonios Litke, Costis Christogiannis, Theodora A. Varvarigou. edoc 2008: 309-315 [doi]

A novel mechanism for provisioning of high-level quality of service information in grid environmentsKonstantinos Tserpes, Dimosthenis Kyriazis, Andreas Menychtas, Theodora A. Varvarigou. eor, 191(3):1113-1131, 2008. [doi]

2007

A content-based image retrieval scheme allowing for robust automatic personalizationSotirios Chatzis, Anastasios D. Doulamis, Theodora A. Varvarigou. civr 2007: 1-8 [doi]

e-Business applications on the Grid: a toolkit for centralized workload prediction and accessKonstantinos Dolkas, Dimosthenis Kyriazis, Andreas Menychtas, Theodora A. Varvarigou. concurrency, 19(6):867-883, 2007. [doi]

Adjusted fair scheduling and non-linear workload prediction for QoS guarantees in grid computingNikolaos D. Doulamis, Anastasios D. Doulamis, Antonios Litke, Athanasios Panagakis, Theodora A. Varvarigou, Emmanouel A. Varvarigos. comcom, 30(3):499-515, 2007. [doi]

Fair Scheduling Algorithms in GridsNikolaos D. Doulamis, Emmanouel A. Varvarigos, Theodora A. Varvarigou. tpds, 18(11):1630-1648, 2007. [doi]

Efficient task replication and management for adaptive fault tolerance in Mobile Grid environmentsAntonios Litke, Dimitrios Skoutas, Konstantinos Tserpes, Theodora A. Varvarigou. fgcs, 23(2):163-178, 2007. [doi]

An Open Architecture for QoS Information in Business GridsKonstantinos Tserpes, Dimosthenis Kyriazis, Andreas Menychtas, Theodora A. Varvarigou, Fabrizio Silvestri, Domenico Laforenza. coregrid 2007: 37-49 [doi]

2006

2005

Computational workload prediction for grid oriented industrial applications: the case of 3D-image renderingAntonios Litke, Konstantinos Tserpes, Theodora A. Varvarigou. ccgrid 2005: 962-969 [doi]

A Task Replication and Fair Resource Management Scheme for Fault Tolerant GridsAntonios Litke, Konstantinos Tserpes, Konstantinos Dolkas, Theodora A. Varvarigou. egc 2005: 1022-1031 [doi]

STAVIES: A System for Information Extraction from Unknown Web Data Sources through Automatic Web Wrapper Generation Using Clustering TechniquesNikolaos Papadakis, Dimitrios Skoutas, Konstantinos Raftopoulos, Theodora A. Varvarigou. tkde, 17(12):1638-1652, 2005. [doi]

An Automatic Web Wrapper for Extracting Information from Web Sources, Using Clustering TechniquesNikolaos Papadakis, Dimitrios Skoutas, Konstantinos Raftopoulos, Theodora A. Varvarigou. saint 2005: 24-30 [doi]

Retrieving, Adapting and Delivering Multimedia Content Using a Mobile Agent ArchitectureNikolaos Papadakis, Anastasios D. Doulamis, Dimitrios Skoutas, Antonios Litke, Nikolaos D. Doulamis, Theodora A. Varvarigou. icmcs 2005: 458-461 [doi]

Quality-Of-Service Adaptive Control Of Multimedia Services In Short-Term Resource Reservation NetworksGeorge A. Rovithakis, Athanasios G. Malamos, Theodora A. Varvarigou, Manolis A. Christodoulou. cas, 36(3):251-281, 2005. [doi]

2004

2003

2002

2001

RACE: A Software-Based Fault Tolerance Scheme for Systematically Transforming Ordinary Algorithms to Robust AlgorithmsChi-Hsiang Yeh, Behrooz Parhami, Emmanouel A. Varvarigos, Theodora A. Varvarigou. ipps 2001: 32

2000

1999

1998

Incentive-Compatible Pricing Strategies in Noncooperative NetworksYannis A. Korilis, Theodora A. Varvarigou, Sudhir R. Ahuja. infocom 1998: 439-446

Efficient Distributed Execution of Computationally Intensive TasksApostolos Meliones, Ion Barosan, Theodora A. Varvarigou. hpcn 1998: 262-273

1997

EFTOS: A Software Framework for More Dependable Embedded HPC ApplicationsGeert Deconinck, Vincenzo De Florio, Rudy Lauwereins, Theodora A. Varvarigou. europar 1997: 1363-1368

Remote Operations on Post Production ApplicationsApostolos Meliones, Theodora A. Varvarigou, Emmanuel Prontonotarios. hpcn 1997: 994-996

A new model for fault and availability in complex multimedia servicesTheodora A. Varvarigou, Sid Ahuja. telsys, 7(1-3):75-94, 1997.

1996

Scheduling In and Out Forests in the Presence of Communication DelaysTheodora A. Varvarigou, Vwani P. Roychowdhury, Thomas Kailath, Eugene L. Lawler. tpds, 7(10):1065-1074, 1996. [doi]

1994

Distributed Reconfiguration of Multiprocessor SystemsTheodora A. Varvarigou, John A. Trotter. srds 1994: 212-221

1993

Scheduling in and Out Forests in the Presence of Communication DelaysTheodora A. Varvarigou, Vwani P. Roychowdhury, Thomas Kailath. ipps 1993: 222-229

A Polynomial Time Algorithm for Reconfiguring Multiple-Track ModelsTheodora A. Varvarigou, Vwani P. Roychowdhury, Thomas Kailath. TC, 42(4):385-395, 1993.

Reconfiguring Processor Arrays Using Multiple-Track Models: The 3-Track-1-Spare-ApproachTheodora A. Varvarigou, Vwani P. Roychowdhury, Thomas Kailath. TC, 42(11):1281-1293, 1993.

1991

New algorithms for reconfiguring VLSI/WSI arraysTheodora A. Varvarigou, Vwani P. Roychowdhury, Thomas Kailath. vlsisp, 3(4):329-344, 1991. [doi]