DR. THEODOROS TZOURAMANIS

Assistant Professor,

Department of Computer Science and Biomedical Informatics,

University of Thessaly,

Greece

 

PERSONAL INFO

Phone : +30-22310-66725

e-mail: ttzouram AT uth DOT gr

URL   : http://ttzouram.users.uth.gr/

 

ACADEMIC EXPERIENCE

* February 2019 - today: Assistant Professor, Department of Computer Science and Biomedical Informatics, University of Thessaly, Greece.

* October 2005 - today: Teaching undergraduate courses in the Department of Informatics, Hellenic Open University, Greece.

* February 2018 - September 2018: Assistant Professor (temporary post), Department of Computer Science, University of Thessaly, Greece.

* June 2003 - May 2008: Lecturer, Department of Information & Communication Systems Engineering, University of the Aegean, Greece.

* May 2008 - February 2019: Assistant Professor, Department of Information & Communication Systems Engineering, University of the Aegean, Greece.

 

TEACHING EXPERIENCE

* Databases (undergraduate course), 2003 - today.

* Systems Analysis (undergraduate course), 2019 - today.

* Introduction to Computer Science (undergraduate course), 2019 - today.

* Information Systems for Biomedical Databases (postgraduate course), 2019 - today.

* Security in Database Systems (postgraduate course), 2003 - 2018.

* Multidimensional Databases and Internet-aware Applications (postgraduate course), 2005 - 2018.

* Databases - Data Mining (postgraduate course), 2004 - 2005.

* Databases II (undergraduate course), 2003 - 2007, 2017 - 2019.

* Advanced Methods for Data Management (undergraduate course), 2007 - 2018.

* Discrete Mathematics I (undergraduate course), 2003 - 2005, 2011 - 2019.

 

RESEARCH INTERESTS

Database theory and systems; data protection.

 

SELECTED PUBLICATIONS

[1] T. Tzouramanis: 'Access Methods and Query Processing Algorithms for Temporal and Spatio-Temporal Databases', pages 206. Doctoral Thesis, Department of Informatics, Aristotle University, Greece, June 2002, in Greek.

[2] A. Di Pasquale, L. Forlizzi, C.S. Jensen, Y. Manolopoulos, E. Nardelli, D. Pfoser, G. Proietti, S. Saltenis, Y. Theodoridis, T. Tzouramanis, and M. Vassilakopoulos: 'Access Methods and Query Processing Techniques',

Chapter 6, pp. 169-217, In M. Koubarakis, T. Sellis et al. (eds.): 'Spatio-Temporal Databases: The Chorochronos Approach', Springer Verlag, Lecture Notes in Computer Science (LNCS), Vol. 2520, 2003.

[3] T.  Tzouramanis: 'Benchmarking and Data Generation in Moving Objects Databases', pp. 23-28, In L. Rivero, J. Doorn, and E.V. Ferraggine (eds.): 'Encyclopedia of Database Technologies and Applications', Idea Group Reference, April 2005.

[4] T. Evdoridis and T. Tzouramanis: 'Security Issues in Legally Sensitive Web Portals'. In A. Tatnall (ed.): 'Encyclopedia of Portal Technology and Applications', Idea Group Reference, 2007.

[5] T. Tzouramanis: 'SQL Injection Attack: an Insidious and Pervasive Threat of Web Portals'. In A. Tatnall (ed.): 'Encyclopedia of Portal Technology and Applications', Idea Group Reference, 2007.

[6] K. Robotis and T. Tzouramanis: 'Electronic Money Management in Modern Online Businesses'. In L.J. Janczewski & A.M. Colarik (ed.): 'Encyclopaedia of Cyber Warfare and Cyber Terrorism', Idea Group Reference, April 2007.

[7] T. Tzouramanis, M. Vassilakopoulos, and Y. Manolopoulos: 'Overlapping Linear Quadtrees: A Spatio-Temporal Access Method', In Proceedings of the 6th ACM Workshop on Advances in Geographical Information Systems (ACM-GIS '98), ACM Press #605982, pp.1-7, Bethesda, MD, USA, November 1998.

[8] T. Tzouramanis, Y. Manolopoulos and N. Lorentzos: 'Overlapping B+-Trees: An Implementation of a Transaction Time Access Method', Data and Knowledge Engineering, Vol.29, No.3, pp.381-404, 1999.

[9] T. Tzouramanis, M. Vassilakopoulos and Y. Manolopoulos: 'On the Generation of Time-evolving Regional Data', GeoInformatica, Vol.6, No.3, pp.207-231, 2002.

[10] T. Tzouramanis, M. Vassilakopoulos and Y. Manolopoulos: 'Benchmarking access methods for Time-Evolving Regional Data', Data and Knowledge Engineering, Vol.49, No.3, pp.243-286, 2005.

[11] K. Kemalis and T. Tzouramanis: 'SQL-IDS: A Specification-based Approach for SQL-Injection Detection', In Proceedings of the 23rd ACM Symposium on Applied Computing (ACM SAC 2008) - Computer Security Track, Fortaleza, Ceara, Brazil, March 2008.

[12] J. Margaronis, M. Christou, E. Kavallieratou, and T. Tzouramanis: 'GCDB: A Character Database System', In Proceedings of the ACM MOCR 2009, Barcelona, Spain, July 2009.

[13] T. Tzouramanis: 'A Robust Watermarking Scheme for Relational Databases', In Proceedings of the 6th IEEE International Conference on Internet Technology and Secured Transactions (ICITST 2011), pp.783-790, IEEE Press, Abu Dhabi, United Arab Emirates, 11-14 December, 2011.

[14] T. Tzouramanis: 'History-independence: A fresh look at the case of R-trees', In Proceedings of the 27th ACM Symposium on Applied Computing (ACM SAC 2012) - Advances in Spatial and Image-based Information Systems Track, pp.7-12, Riva del Garda (Trento), Italy, March 26-30, 2012.

[15] A. Kokkos and T. Tzouramanis: 'A Robust Gender Inference Model for Online Social Networks and its Application to LinkedIn and Twitter', First Monday, Vol.19, No.9, 2014.

[16] A. Kokkos, T. Tzouramanis, and Y. Manolopoulos: 'A Hybrid Model for Linking Multiple Social Identities Across Heterogeneous Online Social Networks', In Proceedings of the International Conference on Current Trends in Theory and Practice of Informatics (SOFSEM 2017), Springer, pp. 423-435, 2017.

[17] C. Kalyvas, T. Tzouramanis, and Y. Manolopoulos: 'Processing Skyline Queries in Temporal Databases', In Proceedings of the 32nd ACM Symposium on Applied Computing (SAC'2017), pp. 893-899, Marakesh, Morocco, 2017.

[18] C. Kalyvas, A. Kokkos, and T. Tzouramanis: 'A survey of official online sources of high-quality free-of-charge geospatial data for maritime geographic information systems applications', Information Systems, Vol.65, pp.36-51, 2017.

[19] S. Kyriakopoulos, T. Tzouramanis, and Y. Manolopoulos: 'The dbMark: A Benchmarking System for Watermarking Schemes for Relational Databases', In Proceedings of the 11th IEEE International Conference on Research Challenges in Information Science (RCIS 2017), pp. 110-119, Brighton, UK, 2017.

[20] T. Tzouramanis: 'Secure Range Query Processing over Untrustworthy Cloud Services', In Proceedings of the 21st International Database Engineering & Applications Symposium (IDEAS '17), pp. 108-117, Bristol, UK, 2017.

[21] T. Tzouramanis and Y. Manolopoulos: 'Secure Reverse k-Nearest Neighbours Search over Encrypted Multi-dimensional Databases', In Proceedings of the 22nd International Database Engineering & Applications Symposium (IDEAS '18), pp. 84-94, Calabria, Italy, 2018.

[22] T. Tzouramanis, E. Tiakas, A. N. Papadopoulos, and Y. Manolopoulos. 'The Range Skyline Query', In Proceedings of the 27th ACM International Conference on Information and Knowledge Management (CIKM '18), Torino, Italy, October 22-26, 2018.

 

SERVED IN INTERNATIONAL SCIENTIFIC JOURNALS AS:

* Reviewer for over 25 different international scientific journals since 2006.

* Editor for the Open Journal of Databases (OJDB), Research Online Publishing (RonPub) UG (haftungsbeschränkt), Germany, since 2013.

* Regional Editor for the journal IEEE Transactions on Professional Communication, since 2008.

 

SERVED IN INTERNATIONAL SCIENTIFIC CONFERENCES AS:

* Program Committee Member for over 150 international scientific conferences, since 2004.

* External Reviewer for over 50 international scientific conferences, since 2000.

* Publicity Co-Chair for the 11th International Conference on Management of Digital EcoSystems (MEDES), 2019.

* Co-Chair for the Doctoral Consortium of the 23rd International Conference on Advances in Databases and Information Systems, (ADBIS DC), 2019.

* Proceedings Editor for the IEEE/WIC/ACM International Conference on Web Intelligence (WI), 2019.

* Chair for the Students Research Forum of the International Conference on Current Trends in Theory and Practice of Computer Science, (SOFSEM SRF), 2020.

* Proceedings Editor for the 10th International Conference on Web Intelligence, Mining & Semantics (WIMS), 2020.

* Chair for the Doctoral Consortium of the 10th International Conference on Web Intelligence, Mining & Semantics (WIMS), 2020.

* Proceedings Editor for the 5th International Conference on Real-Time Intelligent Systems (RTIS).

* Chair for the Doctoral Consortium of the 5th International Conference on Real-Time Intelligent Systems (RTIS).