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Vassilis Tzouvaras
   
 

Contact Details
Personal Data
Studies
Research Interests
Research Projects
Teaching Experience
Employment History
Journals
Books
Conferences

 
 

Contact Details
E-mail tzouvaras@image.ntua.gr
Tel +30 210 772 4350
Fax +30 210 772 2492

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Personal Data
Date / Place of birth August 7th, 1975 / Remseint, Germany

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Studies
2000 - 2005 PhD , Department of Electrical and Computer Engineering, National Technical University of Athens
1998 -1999 M-eng in Automatic Control, Department of Automatic Control and Systems Engineering, University of Shefield, UK
1994 - 1998
B-eng in Electronics Systems Engineering , Department of Electronics Systems Engineering, University of Essex, UK

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Research Interests
Semantic Web Technologies: OWL, RDF, SPARQL
Ontological Representation: Description Logics, Fuzzy Description Logics, F-Logic
Metadata aggregation and Enrichment: XML, XSLT, Linked Data
Fuzzy Sets: Fuzzy Relational Equations, Sup-t inf-wt operators
Multimedia Semantics: MPEG-7, MPEG-21, Multimedia Ontologies, Multimedia Metadata Integration, Multimedia Reasoning,
Neural Networks: Neurofuzzy Networks, Support Vector Machines,
   

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Research Projects
2011-2013 CIP-ICT-PSP: DCA, Digitising Contemporary Art.
2011-2013 CIP-ICT-PSP: Linked Heritage, Coordination of Standards and Technologies for the enrichment of Europeana.
2010-2013 CIP-ICT-PSP: CARARE, Connecting Archaeology and Architecture in Europeana.
2010-2013 CIP-ICT-PSP: ECLAP, European Collected Library of Artistic Performance.
2010-2012 FP7-INFRASTRUCTURES-2010-2: INDICATE, International Network for a Digital Cultural Heritage e-Infrastructure.
2009-2012 eContentplus: EUscreen, Providing online access to Europe`s television heritage.
2009-2011 eContentplus: EuropeanaConnect.
2008-2011 eContentplus: ATHENA, Access to cultural heritage networks across Europe.
2006-2010 FP6-26978: XMEDIA, Knowledge Sharing and Reuse across.
2006-2010 FP6-027538: BOEMIE, Bootstrapping Ontology Evolution with Multimedia Information Extraction.
2006-2009 FP6-027026: K-Space, Knowledge Space of semantic inference for automatic annotation and retrieval of multimedia content.
2005-2008 FP6-027685: MESH, Multimedia Semantic Syndication for Enhanced News Services.
2006-2008 FP6-001765: aceMedia, Integrating Knowledge, Semantics and Content for User-Centred Intelligent Media Services.
2003-2005 EPAN: MULTI-MINE, Research and Technology Training Network in Multimedia Knowledge Discovery and Management.
2001-2003 IST-1999-20502: FAETHON, Unified Intelligent Access to Heterogeneous Audiovisual Content.
1999-2001 EPET II - EKBAN: PANORAMA, An Intelligent System for Retrieval and Mining of Audiovisual Material.

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Teaching Experience
2000- National Technical University of Athens, Department of Electrical and Computer Engineering, Lab assistant
  Digital Image Processing and Video Analysis [2002, 2001]

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Employment History
2006- Image, Video and Multimedia Systems Laboratory, Department of Electrical and Computer Engineering, National Technical University of Athens, Senior Researcher

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Journals • 2013

1.   N. Simou, J.P. Evain, A. Drosopoulos, V. Tzouvaras
save Linked European Television Heritage
Semantic Web Journal, IOS Press, DOI 10.3233/SW-130104
 
Journals • 2012

2.   I. Kollia, V. Tzouvaras, N. Drosopoulos, G. Stamou
A Systemic Approach for Effective Semantic Access to Cultural Content
Semantic Web Journal, vol. 3, no 1, pp. 65-83, 2012.
 
Journals • 2007

3.   G. Stoilos, G. Stamou, J.Z. Pan, V. Tzouvaras, I. Horrocks
save Reasoning with Very Expressive Fuzzy Description Logics
Journal of Artificial Intelligence Research, 30, 8, 273-320
 
Journals • 2006

4.   Jeff Z. Pan, Giorgos Stoilos, Giorgos Stamou, Vassilis Tzouvaras, Ian Horrocks
save f-SWRL: A Fuzzy Extension of SWRL
Data Semantics, special issue on Emergent Semantics, vol. 4090, p. 28-46, 2006
 
5.   K. Petridis, S. Bloehdorn, C. Saathoff, N. Simou, S. Dasiopoulou, V. Tzouvaras, S. Handschuh, Y. Avrithis, I. Kompatsiaris and S. Staab
save Knowledge Representation and Semantic Annotation of Multimedia Content
IEE Proceedings on Vision Image and Signal Processing, Special issue on Knowledge-Based Digital Media Processing, Vol. 153, No. 3, pp. 255-262, June 2006.
 
Journals • 2005

6.   S. Ioannou, A. Raouzaiou, V. Tzouvaras, T. Mailis, K. Karpouzis, S. Kollias
save Emotion recognition through facial expression analysis based on a neurofuzzy network
Special Issue on Emotion: Understanding & Recognition, Neural Networks, Elsevier, Volume 18, Issue 4, May 2005, Pages 423-435
 
Journals • 2004

7.   Petros Maragos, Anastasia Sofou, Giorgos B. Stamou, Vassilis Tzouvaras, Efimia Papatheodorou, Giorgos P. Stamou
Image Analysis of Soil Micromorphology: Feature Extraction, Segmentation and Quality Inferrence
EURASIP Journal on Applied Signal Processing, in press (2004)
 
Books • 2011

1.   Kalliopi Dalakleidi, Stamatia Dassiopoulou, Giorgos Stoilos, Vassilis Tzouvaras, Giorgos Stamou and Yiannis Kompatsiaris
save Semantic Representation of Multimedia Content
in Knowledge-Driven Multimedia Extraction and Ontology Evolution, Paliouras Georgios, Spyropoulos Constantine, Tsatsaronis George eds, Springer
 
2.   N. Simou, G. Stoilos, C. Saathoff, J. Nemrava, V. Svatek, P. Berka, V. Tzouvaras
Reasoning for multimedia analysis
Multimedia Semantics: Metadata, Analysis and Interaction, R. Troncy, B. Huet and S. Schenk (eds.), Wiley, 2011
 
Books • 2008

3.   G. Stoilos, G Stamou, J.Z. Pan, N. Simou and V. Tzouvaras
save Reasoning with the Fuzzy Description Logic f-SHIN: Theory, Practice and Applications
In Paulo CG Costa, Claudia d'Amato et al. (eds) Uncertainty Reasoning for the Semantic Web I (Book)
 
Books • 2005

4.   S. Bloehdorn, K. Petridis, C. Saathoff, N. Simou, V. Tzouvaras, Y. Avrithis, S. Handschuh, Y. Kompatsiaris, S. Staab and M. G. Strintzis
save Semantic Annotation of Images and Videos for Multimedia Analysis
Lecture Notes in Computer Science – The Semantic Web: Research and Applications, Springer, Vol. 3532, 2005, pp. 592-607
 
Books • 2003

5.   V. Tzouvaras, G. Stamou and S. Kollias
Knowledge Refinement Using Fuzzy Compositional Neural Networks
ICANN 2003 Lecture Notes in Artificial Inteligence Springer Verlag, Istanbul
 
Conferences • 2012

1.   J. P. Evain, V. Tzouvaras, N. Simou and A. Drosopoulos
save Linked Television Heritage
5th International Workshop on Personalized Access to Cultural Heritage (PATCH 2012), Nara, Japan, 29 Oct – 2 Nov 2012
 
2.   N. Drosopoulos, V. Tzouvaras, N. Simou, A. Christaki, A. Stabenau, K. Pardalis, F. Xenikoudakis and S. Kollias
save A Metadata Interoperability Platform
Museums and the Web, April 2012, San Diego, USA
 
3.   N. Simou, J. P. Evain, V. Tzouvaras, M. Rendina, N. Drosopoulos and J. Oomen
save Linking Europe's Television Heritage
Museums and the Web, April 2012, San Diego, USA
 
Conferences • 2011

4.   N. Drosopoulos, V. Tzouvaras, N. Simou, A. Christaki, A. Stabenau, K. Pardalis, F. Xenikoudakis, E. Tsalapati and S. Kollias
save An aggregation system for cultural heritage content
CIDOC Conference, September 2011, Sibiu, Romania
 
Conferences • 2009

5.   Th. Athanasiadis, N. Simou, G. Papadopoulos, R. Benmokhtar, K. Chandramouli, V. Tzouvaras, V. Mezaris, M. Phiniketos, Y. Avrithis, Y. Kompatsiaris, B. Huet, E. Izquierdo
save Integrating Image Segmentation and Classification for Fuzzy Knowledge-based Multimedia Indexing
15th International MultiMedia Modeling Conference (MMM2009), Sophia Antipolis, France, 2009
 
Conferences • 2008

6.   A. Ferrara, D. Lorusso, G. Stamou, G. Stoilos, V. Tzouvaras, T. Venetis
save Resolution of conflicts among ontology mappings: a fuzzy approach
International Workshop on Ontology Matching (OM2008), Karlsruhe, October 26, 2008
 
7.   G. Papadopoulos, Th. Athanasiadis, N. Simou, R. Benmokhtar, K. Chrandramouli, V. Tzouvaras, V. Mezaris, M. Phiniketos, Y. Avrithis, I. Kompatsiaris, B. Huet, E. Izquierdo
save Combining Segmentation and Classification Techniques for Fuzzy Knowledge-based Semantic Image Annotation
3rd international conference on Semantics And digital Media Technologies (SAMT), Koblenz, December 2008
 
8.   N. Simou, G. Stoilos, V. Tzouvaras, G. Stamou, S. Kollias
save Storing and Querying Fuzzy Knowledge in the Semantic Web
7th International Workshop on Uncertainty Reasoning For the Semantic Web, Karlsruhe, Germany, October 2008
 
9.   P. Cimiano, P. Haase, Q. Ji, T. Mailis, G. Stamou, G. Stoilos, T. Tran, V. Tzouvaras
save Reasoning with Large A-Boxes in Fuzzy Description Logics using DL reasoners: An experimental evaluation
Workshop on Advancing Reasoning on the Web: Scalability and Commonsense
 
Conferences • 2007

10.   J. Nemrava, P. Buitelaar, N. Simou, D. Sadlier, V. Svatek, T. Declerck, A. Cobet, T. Sikora, N. O¢Connor, V. Tzouvaras, H. Zeiner, J. Petrak
save An Architecture for Mining Resources Complementary to Audio-Visual Streams
Knowledge Acquisition from Multimedia Content Workshop, co-located with the 2nd International Conference on Semantics and Digital Media Technologies (SAMT 2007)
 
11.   N. Simou, Th. Athanasiadis, V. Tzouvaras, S. Kollias
save Multimedia Reasoning with f-SHIN
2nd International Workshop on Semantic Media Adaptation and Personalization, London, December 17-18, 2007, London, United Kingdom (SMAP 2007)
 
12.   Ph. Mylonas, N. Simou, V. Tzouvaras and Y. Avrithis
save Towards Semantic Multimedia Indexing by Classification & Reasoning on Textual Metadata
Knowledge Acquisition from Multimedia Content Workshop, co-located with the 2nd International Conference on Semantics and Digital Media Technologies (SAMT 2007)
 
Conferences • 2005

13.   G. Stoilos, G. Stamou, V. Tzouvaras, J.Z. Pan
save Uncertainty and RuleML rulebases: A Preliminary Report
International Conference on Rules and Rule Markup Languages for the Semantic Web, Galway, 2005, (Short Paper)
 
14.   G. Stoilos, G. Stamou, V. Tzouvaras, J.Z. Pan, I. Horrocks
save A Fuzzy Description Logic for Multimedia Knowledge Representation
Proc. of the International Workshop on Multimedia and the Semantic Web
 
15.   G. Stoilos, G. Stamou, V. Tzouvaras, J.Z. Pan, I. Horrocks
save Fuzzy OWL: Uncertainty and the Semantic Web
International Workshop of OWL: Experiences and Directions, Galway, 2005
 
16.   G. Stoilos, G. Stamou, V. Tzouvaras, J.Z. Pan, I. Horrocks
save The Fuzzy Description Logic f-SHIN
International Workshop on Uncertainty Reasoning For the Semantic Web (2005).
 
17.   N.Simou, C.Saathoff, S.Dasiopoulou, E.Spyrou, N.Voisine, V.Tzouvaras, I.Kompatsiaris, Y.Avrithis, S.Staab
save An Ontology Infrastructure for Multimedia Reasoning
International Workshop VLBV05, Sardinia, Italy, 15-16 September 2005
 
18.   N. Simou, V. Tzouvaras, Y. Avrithis, G. Stamou and S. Kollias
save A Visual Descriptor Ontology for Multimedia Reasoning
In Proc. of Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS ¢05), Montreux, Switzerland, April 13-15, 2005.
 
19.   S. Bloehdorn, K. Petridis, C. Saathoff, N. Simou, V.Tzouvaras, Y. Avrithis, S. Handschuh, Y. Kompatsiaris, S. Staab and M. G. Strintzis
save Semantic Annotation of Images and Videos for Multimedia
in Proc. of 2nd European Semantic Web Conference, (ESWC '05),Heraklion, Greece, May 29 - June 1, 2005.
 
20.   Th. Athanasiadis, V. Tzouvaras, K. Petridis, F. Precioso, Y. Avrithis and Y. Kompatsiaris
save Using a Multimedia Ontology Infrastructure for Semantic Annotation of Multimedia Content
Proc. of 5th International Workshop on Knowledge Markup and Semantic Annotation (SemAnnot '05), Galway, Ireland, November 2005
 
Conferences • 2004

21.   S. Bloehdorn, N. Simou, V. Tzouvaras, K. Petridis, S. Handschuh, Y. Avrithis, I. Kompatsiaris, S. Staab and M. G. Strintzis
save Knowledge Representation for Semantic Multimedia Content Analysis and Reasoning
Proc. of European Workshop on the Integration of Knowledge, Semantics and Digital Media Technology (EWIMT), London, U.K., November 25-26, 2004
 
Conferences • 2003

22.   P. Maragos, V. Tzouvaras and G. Stamou
Lattice Fuzzy Signal Operators and Generalized Image Gradients
IFSA 2003 Lecture Notes in Artificial Inteligence Springer Verlag, Istanbul
 
23.   V. Tzouvaras, G. Tsechpenakis, G. Stamou and S. Kollias
Adaptive Rule-based Recognition of Events in Video Sequences
International Conference of Image Processing, Barcelona, Spain
 
Conferences • 2002

24.   A. Raouzaiou, N. Tsapatsoulis, V. Tzouvaras, G. Stamou and S. Kollias
save A Hybrid Intelligence System for Facial Expression Recognition
Eunite 2002, European Symposium on Intelligent Technologies, Hybrid Systems and their implementation on Smart Adaptive Systems, Algarve, Portugal
 
Conferences • 2001

25.   P. Maragos, V. Tzouvaras and G. Stamou
Synthesis and Applications of Lattice Image Operators based on Fuzzy Norms
Proceedings on International Conference of Image Processing, Thesaloniki
 
Conferences • 2000

26.   G. Votsis, A. Drosopoulos, G. Akrivas, V. Tzouvaras, and Y. Xirouhakis
save An MPEG-7 Compliant Integrated System for Video Archiving, Characterization and Retrieval
IASTED International Conference on Signal and Image Processing (SIP2000), Las Vegas, Nevada, November 2000
 
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