Hristu - Varsakelis Dimitrios
Professor
Department of Applied Informatics
Professor, Academic Staff (MSc in Artificial Intelligence and Data Analytics)
Curriculum Vitae
Academic Titles
- B.S. Electrical Engineering and Computer Science, University of California Berkeley, U.S.A. (1992)
- M.Sc. Electrical Engineering, Rensselaer Polytechnic Institute, U.S.A. (1994)
- M.Sc. Applied Mathematics, Harvard University, U.S.A. (1997)
- Ph. D. Engineering Sciences, Harvard University, U.S.A. (1999)
Teaching
- DECISION SUPPORT SYSTEMS
(AIE802)
Type
ELECTIVE
Department Abbreviation
AI
Department
DEPARTMENT OF APPLIED INFORMATICS
Course Outlines
Η περιγραφή του μαθήματος δεν είναι διαθέσιμη
- MATHEMATICS
(ΜΟΕ103)
Type
COMPULSORY
Department Abbreviation
ΜΟΕ
Department
INTERDEPARTMENTAL PROGRAMME OF POSTGRADUATE STUDIES IN ECONOMICS
Course Outlines
Η περιγραφή του μαθήματος δεν είναι διαθέσιμη
- OPERATIONS RESEARCH
(AIC602)
Type
COMPULSORY
Department Abbreviation
AI
Department
DEPARTMENT OF APPLIED INFORMATICS
Course Outlines
Η περιγραφή του μαθήματος δεν είναι διαθέσιμη
- PROBABILISTIC MODELLING AND REASONING
(AIDA101)
Type
COMPULSORY
Department Abbreviation
ΜΤΝΑΔ
Department
MSC IN ARTIFICIAL INTELLIGENCE AND DATA ANALYTICS
Course Outlines
Η περιγραφή του μαθήματος δεν είναι διαθέσιμη
Publications
- Books (4 records)
Περιλαμβάνει Βιβλία ή/και μονογραφίες σε διεθνείς ή ελληνικούς εκδοτικούς οίκους. Κεφάλαια ή άρθρα συλλογικών τόμων ή επιμέλεια τόμων σε διεθνείς ή ελληνικούς εκδοτικούς οίκους.
2019
- . P. Papadopoulou and D. Hristu-Varsakelis, “Tax evasion as an optimal solution to a partially observable Markov decision process”, in Approximation and Optimization: Algorithms, Complexity and Applications, I. Demetriou and P. Pardalos (eds.), Springer 2019. (Proc. Conference on Approximation and Optimization: Algorithms, Complexity and Applications).
2009
- S. B. Andersson, D. Hristu-Varsakelis, M. Lahijanian, "Observers in Language-Based Control", Communications in Information and Systems, v. 8, n. 2, p., 85-106, 2009
2005
- D. Hristu-Varsakelis, "Feedback Control with Communication Constraints",Handbook of Networked and Embedded Control Systems/, D.Hristu-Varsakelis and W. S. Levine (eds), p.575-599, Birkhaüser, 2005.
- D. Hristu-Varsakelis and W. S. Levine, "Control of Single-Input Single-Output Systems" , to appear in the Handbook of Networked and Embedded Control Systems, D. Hristu-Varsakelis and W. S. Levine (eds.), Birkhauser, 2005.
- Scientific Journals (25 records)
Περιλαμβάνει Άρθρα σε διεθνή ή ελληνικά επιστημονικά περιοδικά (με κριτές).
2022
- E. Myrovali, D. Hristu-Varsakelis, D. Tachmatzidis, A. Antoniadis, V. Vassilikos “Identifying patients with paroxysmal atrial fibrillation from sinus rhythm ECG using random forests”, Expert Systems with Applications, 118948, Oct. 2022.
2020
- C. Chalvatzis, D. Hristu-Varsakelis “High-performance stock index trading via neural networks and trees”, Applied Soft Computing, vol. 96, Nov. 2020
2019
- D. Papachristoudis, D. Hristu-Varsakelis, F. Baldimtsi, G. Stephanidis “Leakage Resilient Lattice-Based Partially Blind Signatures”, IET Information Security, July 2019
2018
- N. Goumagias, D. Hristu-Varsakelis, J. Assael “Using Deep Q-learning to understand the tax evasion behavior of risk-averse firms”, Expert Systems with Applications 101, 258-270, 2018
2017
- C. Kotsavasiloglou, N. Kostikis, D. Hristu-Varsakelis, M. Arnaoutoglou “Machine Learning-based Classification of Simple Drawing Movements in Parkinson's Disease”, Biomedical Signal Processing and Control, vol. 31, Jan. 2017, p. 174-180
2015
- N. Kostikis, D. Hristu-Varsakelis, M. Arnaoutoglou, and C. Kotsavasiloglou, “A Smartphone-based Tool for Assessing Parkinsonian Hand Tremor”, IEEE Journal of Biomedical and Health Informatics, 19(6) p. 1835-1842, 2015
2013
- N. Goumagias and D. Hristu-Varsakelis, “Tax evasion by risk-averse firms in Greece: a discrete Markov-based optimization Model”, Optimization, 62(8), p. 1153-1167, 2013
2012
- D. Hristu-Varsakelis, S. Karagianni, M. Pempetzoglou, A. Sfetsos, "Optimizing production in the Greek economy: Exploring the Interaction between Greenhouse Gas emissions and Solid Waste via Input-Output Analysis", Economic Systems Research, 24(1), p. 57-75, 2012
- N. Goumagias, D. Hristu-Varsakelis, A. Saraidaris, “A Decision Support Model for Tax Revenue Collection in Greece”, Decision Support Systems vol. 53 (2012), p. 76-96.
2011
- D. Hristu-Varsakelis, S. Karagianni, A. Saraidaris “Equilibrium Conditions in Corporate Tax Competition and Foreign Direct Investment Flows", Economic Modeling, v. 28, (1-2), 2011, p. 13-21
2010
- D. Hristu-Varsakelis, S. Karagianni, M. Pempetzoglou, T. Sfetsos " Optimizing Production with energy and GHG emission constraints in Greece: An Input-Output Analysis", Energy Policy, (38): 3, 2010, p. 1566-1577.
- Hristu-Varsakelis and C. Kyrtsou "Testing for Granger Causality in the presence of Chaotic Dynamics", Brussels Economic Review, (53): 2, 2010, p. 323-327.
2008
- D. Hristu-Varsakelis and L. Zhang, “LQG Control of Networked Control Systems with Access Constraints and Delays”, International Journal of Control, vol. 81, nr. 8, Aug. 2008, p. 1266-1280.
- D. Hristu-Varsakelis and C. Kyrtsou, “Evidence for Nonlinear Asymmetric Causality in US Inflation, Metal and Stock returns”, Discrete Dynamics in Nature and Society, vol. 2008, Article ID 138547, May 2008.
- D. Hristu-Varsakelis, “Short-Period Communication and the Role of Zero-Order Holding in Networked Control Systems”, IEEE Trans. Automatic Control, 53(5), p. 1285-1290, June 2008
- D. Hristu-Varsakelis, K. Chalkias, and G. Stephanides, “A Versatile Secure Protocol for Anonymous Timed-Release Encryption”, Journal of Information Assurance and Security, vol. 3, no. 5, p. 80-89, June 2008.
2007
- D. Hristu-Varsakelis and C. Shao, "A Bio-Inspired Pursuit Strategy for Optimal Control with Partially-Constrained Final State", Automatica 43(7), July 2007.
2006
- L. Zhang and D. Hristu-Varsakelis, "Communication and Control Co-design for Networked Control Systems", Automatica, 42(6), p. 953-958, June 2006.
- S. Andersson and D. Hristu-Varsakelis, "Symbolic Feedback Control for Navigation", IEEE Trans. Automatic Control, vol. 51 (6), p. 926-937, June 2006.
2005
- D. Hristu-Varsakelis and C. Shao. "Corrections to: Biologically-inspiredoptimal control: Learning from social insects", Int'l Journal ofControl, 78(2):157, Jan. 2005.
- D. Hristu-Varsakelis and W. S. Levine, "An Undergraduate Laboratory for Networked Digital Control Systems", IEEE Control Systems Magazine, vol 25, no 1, p.60-62, Feb. 2005.
2004
- D. Hristu-Varsakelis and C. Shao, "Biologically-inspired optimal control: learning from social insects" , International Journal of Control, vol. 77, no. 18, p. 1549-1566, Dec. 2004.
2002
- D. Hristu-Varsakelis and R. W. Brockett, "Experimenting with Hybrid Control", IEEE Control Systems Magazine vol. 22 (1) p.82-95, Feb. 2002.
2001
- D. Hristu-Varsakelis, "The Dynamics of a Forced Sphere-Plate System", IEEE Trans. Automatic Control, (46) 5, April 2001, pp.678-687.
1999
- D. Hristu and K. Morgansen, "Limited Communication Control", Systems and Control Letters, 37 (4), p.193-205, July 1999.
- Conferences (41 records)
Περιλαμβάνει Άρθρα σε δημοσιευμένα πρακτικά διεθνών ή ελληνικών συνεδρίων (με κριτές).
2022
- 65. A. Lagopoulos and D. Hristu-Varsakelis, "Measuring the Left Ventricular Ejection Fraction using Geometric Features", IEEE 35th International Symposium on Computer-Based Medical Systems (CBMS), 2022, pp. 1-6, doi: 10.1109/CBMS55023.2022.00008.
2021
- Ketsetsis, A.P., Giannoutakis, K.M., Spanos, G., Samaras, N., Hristu-Varsakelis, D., Thomas, D., and Tzovaras, D., A Comparative Study of Deep Learning Techniques for Financial Indices Prediction. AIAI 2021. IFIP Advances in Information and Communication Technology, vol 627. Springer, Cham, 2021.
2014
- D. Hristu-Varsakelis, S. Karagianni, M. Pempetzoglou and A. Sfetsos, “Optimizing Production in Greece under Particulate Pollution Constraints with cross-Regional Transport Effects”, in 14th Input-Output Conference, 2014.
- N. Kostikis and D. Hristu-Varsakelis and M. Arnaoutoglou and C. Kotsavasiloglou, “Smartphone-based Evaluation of Movement Disorders: Quantitative Measurements vs Clinical Assessment Scores”, IEEE Conf. on Engineering in Medicine and Biology, 2014
2012
- D. Hristu-Varsakelis, S. Karagianni, M. Pempetzoglou, A. Sfetsos, “Regional optimization of air pollution in Greece via input-output analysis”, Proc. XIX Int’l Input-Output Conference, June 2012
- N. Goumagias and D. Hristu-Varsakelis, “A Markov-based Decision Model of Tax evasion by risk-averse firms in Greece”, in Optimization Theory, Decision Making and Operations Research Application, Springer Proceedings in Mathematics v.31, (Proceedings of BALCOR 2011), 2012.
2011
- N. Kostikis, D. Hristu-Varsakelis, M. Arnaoutoglou, C. Kotsavasiloglou, and S. Baloyiannis, “Towards Remote Evaluation of Movement Disorders via Smartphones”, IEEE Engineering in Medicine and Biology Confrence, 2011.
2009
- D. Hristu-Varsakelis, S. Karagianni, M. Pempetzoglou, A. Sfetsos, “Optimizing Production in Greece under GHG emission reduction constraints: a comparison of objective functions”, XVII Int’l Input-Output Conference, July 2009.
2008
- K. Chalkias, S. T. Halkidis, D. Hristu-Varsakelis, G. Stephanides, and A. Alexiadis, "A Provably Secure One-Pass Two-Party Key Establishment Protocol", Information Security and Cryptology, 3rd International SKLOIS Conference, INSCRYPT, 2007, LNCS vol. 4990, p. 108-122, Springer, 2008
- K. Chalkias , F. Mpaldimtzi, D. Hristu-Varsakelis, and G. Stephanides, “An Implementation Infrastructure for Server-Passive Timed-Release Cryptography”, Proc. of the Intl’ Symposium on Information Assurance and Security (IAS), p. 89-94, 2008.
- K. Chalkias, F. Baldimtsi, D. Hristu-Varsakelis, G. Stephanides, "Mathematical Problems and Algorithms for Timed-Release Encryption”, 9ème Colloque Franco-Roumain de Mathématiques Appliquées, Braşov, Romanie, 2008
2007
- D. Hristu-Varsakelis, “On the Period of Communication Policies for Networked Control Systems, and the Question of Zero-Order Holding”, Proc. of the 46th IEEE Conf. On Decision and Control, pp. 38-43, 2007.
- K. Chalkias, F. Baldimtzi, D. Hristu-Varsakelis and G. Stephanides, “On the Key-Compromise Impersonation vulnerability of One-pass key establishment protocols”, Int’l Conf. on Security and Cryptography (SECRYPT) 2007, pp.222-228
- D. Hristu-Varsakelis, K. Chalkias and G. Stephanides, “Low-cost Anonymous Timed-Release Encryption”, Proc. of the Intl’ Symp. on Information Assurance and Security (IAS), p. 77 - 82, 2007
- K. Chalkias, D. Hristu-Varsakelis and G. Stephanides, “Improved Anonymous Timed-Release Encryption”, Proc. of the 12th European Symposium On Research In Computer Security (ESORICS) LNCS Vol. 4734, pp. 311-326, Springer, 2007
- D. Hristu-Varsakelis, N. Samaras and C. Shao, "Local pursuit as a Bio-inspired Computational Optimal Control Tool", Proceedings of the European Control Conference, July 2-5, 2007 (to appear).
2006
- W. S. Levine and D. Hristu-Varsakelis, "Some uses for Computer-Aided Control System Design Software in Control Education", Proc. IEEE Int'l Symposium on Intelligent Control, pp. 2281-2285, Oct. 2006.
- D. Hristu-Varsakelis, "Stabilization of Networked Control Systems with Access Constraints and Delays", Proc. of the 45th IEEE Conference on Decision and Control, Dec. 2006.
2005
- L. Zhang and D. Hristu-Varsakelis, "Stabilization of Networked Control Systems under Feedback-based Communication", Proc. of the American Control Conference, p.2933- 2938, June 2005.
- L. Zhang and D. Hristu-Varsakelis, "Stabilization of Networked Control Systems: Communication and Controller co-design", Proc. of the IFAC World Congress, 2005.
- C. Shao and D. Hristu-Varsakelis, "Optimal control through biologically inspired pursuit", Proc. of the IFAC World Congress, 2005.
- C. Shao and D. Hristu-Varsakelis, "Bio-inspired optimal control via intermittent cooperation", Proc. of the American Control Conference, p.1060- 1065, June 2005.
- S. Andersson and D. Hristu-Varsakelis, "Language-based Feedback Control using Monte Carlo Sensing" , Proc. of the IEEE Int'l Conference on Robotics and Automation, 2005, p. 3047- 3052.
- L. Zhang and D. Hristu-Varsakelis, "LQG Control under Limited Communication", Proc. of the 44th IEEE Conference on Decision and Control and the European Control Conference, p.185 - 190, Dec. 2005.
- L. Zhang and D. Hristu-Varsakelis, "Stabilization of Networked Control Systems under Feedback-based Communication", 2005 American Control Conference
- L. Zhang and D. Hristu-Varsakelis, "Stabilization of Networked Control Systems: Communication and Controller co-design", 2005 IFAC World Congress.
- C. Shao and D. Hristu-Varsakelis, "Optimal control through biologically inspired pursuit", 2005 IFAC World Congress.
- C. Shao and D. Hristu-Varsakelis, "Biologically-inspired optimal control via intermittent cooperation", 2005 American Control Conference.
- S. Andersson and D. Hristu-Varsakelis, "Language-based Feedback Control using Monte Carlo Sensing" , IEEE Int'l Conference on Robotics and Automation, 2005.
2003
- S. Andersson and D. Hristu-Varsakelis, "Stochastic Language-based Motion Control" , IEEE Conference on Decision and Control, p. 3313-8, Dec. 2003.
- D. Hristu-Varsakelis, M. Egerstedt and P. S. Krishnaprasad, "On the Complexity of the Motion Description Language MDLe" in IEEE Conference on Decision and Control, p. 3360-5, Dec. 2003.
2002
- D. Hristu-Varsakelis and S. Andersson, "Directed Graphs and Motion Description Languages for Robot Navigation and Control", IEEE Conference on Robotics and Automation, p. 2689-94 vol.3, 2002.
- M. Egerstedt and D. Hristu-Varsakelis, "Observability and Policy Optimization for Mobile Robots". IEEE Conference on Decision and Control, 2002, p. 3596-3601.
- D. Hristu-Varsakelis and P. R. Kumar, "Interrupt-based feedback control over a shared communication medium", IEEE Conference on Decision and Control, 2002, p. 3223-8.
2001
- D. Hristu-Varsakelis, "Feedback Control Systems as Users of a Shared Network: Communication Sequences that Guarantee Stability". IEEE Conference on Decision and Control, p. 3631-6 vol.4, 2001.
2000
- D. Hristu, "Stabilization of LTI systems with communication constraints" American Control Conference, 2000, p. 2342-6 (Best presentation in session award).
- D. Hristu-Varsakelis, "Robot Formations: Learning minimum-length Paths on Uneven Terrain", IEEE Mediterranean Conference on Control and Automation 2000.
- D. Hristu, N.J. Ferrier and R. W. Brockett, "The performance of a deformable-membrane tactile sensor: basic results on geometrically-defined tasks", IEEE Int'l Conf. on Robotics and Automation, 2000, p. 508-13 vol.1.
1999
- D. Hristu, "Generalized Inverses for Finite-horizon Tracking". Proc. of the 1999 IEEE CDC, p. 1397-402 vol 2.
1996
- D. Hristu, D. Kontarinis and R. D. Howe, 'A Comparison of Delay and Bandwidth Limitations in Tele-manipulation' , Proc. Int' l Federation for Automatic Control, p. 331-6, June 1996.
1994
- D. Hristu, J. Babb, H. Singh and S. N. Gottschlich, 'Position/Force Control of a Multi-fingered Hand: A Comparison of Fuzzy Logic to Traditional PID Control' , IEEE Conference on Intelligent Robots and Systems, p. 1391-8, 1994.
