Publications in refereed journals

1.  J.O. Gray, Z. El-Dhuaib and G. Hassapis, “Process Control with Sampled Feedback”, Trans. IChemE, Vol. 57, pp. 73-83, 1979.

 2.  D.N. Kleftouris, L.P. Petrou and G.D. Hassapis, “Computer-Aided Analysis and Design of MIMO Bilinear Control Systems”, Trans. Inst. Meas.&Control, Vol. 8,   pp. 51-56, 1986.

 3.  G. Hassapis, L. Petrou and D. Kleftouris, “A Computer Aided Shutdown System Analysis and Design Procedure”, Computers in Industry, Vol. 9, pp. 115-125, 1987.

 4.  G.D. Hassapis, “Configuration of Microcomputer-Based Instrumentation Systems Measuring Mass Consumption of Fuel Gas”, IEEE Trans. Instr. & Meas. IM-36, pp. 815-823, 1987.

 5.  G. Hassapis, “On the Configuration of Fault Tolerant Distributed Process Control Systems”, Fault Diagnostics, Reliability and Related Knowledge-Based  Approaches, D. Reidel Publ., Vol.2, pp. 327-344, 1987.

 6.  G.D. Hassapis, “A Microcomputer-Based Drip-Feed Unit”, IEEE Trans. Instr. & Meas. Vol. 37, pp. 39-44, 1988.

 7.  G. Hassapis, “Artificial intelligence and Expert Systems”, Τechnika, Vol. 35, June-July, 1988, pp.83-86 (in Greek).

 8.  G.D. Hassapis, “Availability Analysis of a Certain Class of Distributed Computer Systems under the Influence of Hardware and Software faults”, IEE , Proceedings,  Pt. E, Vol.136, pp. 524-529, 1989.

 9.  G.D. Hassapis, “A Multiple DSP Environment for On-Line Signature Analysis of Plant Instrumentation”, IEEE Trans. Instr. & Meas., Vol. 39, pp.126-128, 1990.

10. G. Hassapis, “Wastewater Flow Monitoring with a Personal Computer”, Computers in Industry, Vol. 17, pp. 359-366, 1991.

11. G. Hassapis, “Computer-based Measurement of wastewater BOD”, Industrial Metrology, Vol 2, pp. 71-84, 1991.

12. G. Hassapis, “Biological Oxygen Demand Monitoring by a Multiprocessing System”, IEEE Trans. Instr. & Meas., Vol. 40, December 1991.

13. G. Hassapis, “Simulation of Εmbedded VME multiprocessors”, Microprocessing and Microprogramming, Vol. 36, pp. 195-204, 1993.

14. G. Hassapis, “Technology of Industrial Computer Control Systems,” Bulletin of Pan-Hellenic Society of Chartered Electrical and Mechanical Engineers of Greece, December 1993, pp.54-60.

15. G. Hassapis, “High Level Petri-net modelling and analysis of VME-based multiprocessors”, Microprocessing and Microprogramming, Vol. 36, pp. 195-204, 1993.

16. G. Hassapis and J. Papadopoulos, “Support software for the development of PLC applications”, Real-Time-Systems Vol. 9, pp. 173-193, 1995.

17. K. Paraschidis, N. Fahantidis, V. Petridis, Z. Doulgeri, L. Petrou, G. Hassapis, “A robotic system for handling textile and non rigid flat materials,” Computers in Industry, Vol 26, pp. 303-313, 1995.

18. G. Hassapis, A. Moschopoulos and D. Theos, ” Simulation of Distributed Computer Control Systems”, Computers in Industry, Vol. 31, pp. 15-30, 1996.

19. K. Paraschidis, N. Fahantidis, V. Petridis, Z. Doulgeri, L. Petrou, G. Hassapis, “Robot Handling of Flat Textile Materials”, IEEE Robotics and Automation, Vol. 4, pp. 34-41, 1997.

20.  I. Kotini, G. Hassapis, “State Identification in  the Hybrid Automata Description of Dynamical Systems”, Software and Hardware Engineering for the 21st Century, World Scientific Engineering Society, pp. 39-43, 1999.

21.  D. Ananidou, G. Hassapis, and D. Kleftouris, “Evaluation of Real-Time Software Design with the Aid of a Petri-net Template Model,   Advances in Informatics, World Scientific Publishers, 2000.

22. G. Hassapis, ” Soft-testing of industrial control systems programmed in IEC 1131-3 languages,” ISA Transactions, Vol. 39 , pp. 345-355, 2000.

23. S. Tzortzidou and G. Hassapis, “Assessment of the reading skill improvement in the computer-assisted teaching of foreign language”, Education and Information Technologies, Vol. 6, No2, 175-189, 2001.

24. Dimitra Ananidou, George Hassapis and Dimitrios Kleftouris, “High Level Timed Petri Net Templates for the Temporal Verification of  Real-Time Multiprocessor Applications”, Lecture Notes in Computer Science 2563, pp. 386-400, 2001.

25. G. Hassapis, “Teaching industrial control with the assistance of a web-based interactive simulator of distributed control systems,” the International Journal of Engineering Education, Vol. 18, No 5, pp. 576-583, 2002.

26. G. Hassapis, “An interactive electronic book approach for teaching computer implementation of industrial control systems,” IEEE Transactions on Education,  Vol. 40, No 1, pp. 1-6, February 2003.

27. G. Hassapis, D. Ananidou, “Modeling and verification of a class of real-time systems by the use of high level timed Petri nets,” The Journal of  Systems and  Software, vol. 68, pp. 153-165, 2003.

28. G. Hassapis, “Implementation of  model predictive control using real-time multiprocessing computing”,  Microprocessors and Microsystems, vol. 27,  pp. 327-340, 2003

29. G. Hassapis, Niovi Pavlidou, “A virtual laboratory exercise for teaching software development for industrial computers”,   World Transactions on Engineering  Education, Vol. 2 pp. 411-416,  2003.

30.  George Hassapis, Stella Tzortzidou, Abelardo Pardo, Carlos Delgado Kloos, “Teaching an Operating Systems Course over a Spatially Distributed Multinational Class: Lessons Learned “, Lectures notes in Computer Science, 2004

31.  Niovi Pavlidou and George Hassapis, “Two teaching experiments that are based on the use of an e-learning environment that supports collaborative work”, Lecture Notes in Computer Science, 2004.

32.  Kotini Isabella, Hassapis George, The Impact of Hybrid Automata on System Modeling and Analysis, Journal of Information Technology Impact. Vol. 4, no. 3, pp. 151-160. 2004

33. G. Hassapis & N. Pavlidou, “Teaching ICT courses to virtual classes by using e-learning environments that support collaborative work”,  World  Transactions on Engineering and Technology Education, Vol. 4, No  35-38, 2005

34.  Isabella Kotini and George Hassapis  “Verification of Rectangular Hybrid Automata Models”, The journal of Systems and Software  79, 1433-1443, 2006.

35.  Zoe Doulgeri, Stella Tzortzidou, George Hassapis, “Teaching Robotics through an E-Learning Environment that allows the Application of  E-Tutoring Guidelines and Supports Telelab Operations”, Transactions on Information Science and Applications, Vol. , Issue 11, 2107-2113, 2006.

36. Isabela Kotini and George Hassapis, “ A Hybrid Automata Model of A cement Plant,”  IEEE Transactions on Control Systems Technology, Vol. 16, No 4, July 2008, pp. 676-690.

37. D. Giakoumis, M. Lazaridis, J. Trnkoczy, A. Axenopoulos, G. Paravati, A. Sanna, F. Lamberti, D. Tzovaras, G. Hassapis, “Search and retrieval of multimedia objects over a distributed P2P network for mobile devices” , IEEE Wireless Communications, Vol.16:5 pp.42-49, Oct 2009

38. Vincent A. Aj kpan and George Hassapis, “Nonlinear model identification and adaptive model predictive control using neural networks”, ISA Transactions, Vol. 50, Issue 2, pp. 141-342, 2011

39. D. Giakoumis, D. Tzovaras, K. Moustakas, G. Hassapis, “Automatic Recognition of Boredom in Video Games using novel Biosignal Moment-based Features”. IEEE Transactions on Affective Computing, Accepted for Publication.

40. Akpan, V. A. and Hassapis, G. D. (2010). “Training dynamic feedforward neural networks for online nonlinear model identification  and control applications”.  International Reviews of Automatic Control, Vol.4, N. 3, May 2011, pp.

41. Ioakeim Samaras and George Hassapis, “A Modified DPWS protocol stack for 6LOWPAN Wireless Sensor Network,” IEEE Transactions on Industrial  Informatics (in print).

Publications in conference proceedings

1. J.O.Gray, G. Hassapis, Microprocessor Control of a Drip Feed Unit”, IFAC/IFIP Conf. on Digital Computer Applications in Process Control,  North Holland  Publishing Co., pp. 273-279, 1977.

2. G.D. Hassapis, “Automation of Manual Safety Procedures by Using Programmable Controllers”, IEEE Melecon 83, May 24-26, Athens, 1983.

3. G.D. Hassapis, “A Microcomputer-Βased Device for On-Line Measurement of Fuel Mass Consumption”, MECO 83 Conf., August 29-September 2, Athens, 1983.

4. G. Hassapis, “A Multiple DSP Environment for On-Line Signature Analysis of Plant Instrumentation”, IEEE, IMTC 89, April 25-27, Washington D.C., pp. 377-382, 1989.

5. G. Hassapis, “A DSP-based active sensor interface performing on-line fault detection and identification”, IEEE Compeuro 89, May 8-12, Hamburg, pp. (3-148)-(3-151), 1989.

6. G. Hassapis, “Simulation of embedded VMEbus Multiprocessors”, Open Bus Systems 91, November 26-27, Paris, pp. 179-186, 1991.

7. K Paraschidis, N., Fahantidis, V. Petridis, Z. Doulgeri, L. Petrou, G. Hassapis, “A Robotic System for Handling Textile and Non-Rigid Flat Materials,” Advanced Summer Institute 94 in Computer Integrated Manufacturing & Industrial Automation (CIMIA), 26 June-1st July, Patras, Greece, 1994.

8. G. Hassapis, A. Moschopoulos and D. Theos, “A Software Testbed for Configuring Distributed Computer Control Systems,” Advanced Summer Institute 94 in CIMIA, 26 June 1st July, Patras, Greece, 1994.

9. G. Hassapis, A. Moschopoulos and D. Theos, “An Object- Oriented Design Method for Distributed Process Control Systems,” 12th IFAC Workshop on   Distributed Computer Control Systems, 28-30 September, Toledo, Spain, 1994.

10. G. Hassapis, “Design and Implementation of Industrial Control Systems based on Open Architecture PLCs”, Workshop on Developments in Industrial control Systems: Tools and Applications, October 10-11, Thessaloniki, Greece, 1996.

11. G. Hassapis, I Kotini and Z. Doulgeri, ” Validation of a SFC software specification by using hybrid automata”, INCOM 98, Nancy-Metz, France, June 24-26, 1998.

12. Hassapis G. “Tools for the Software Engineering of PLC applications”, 2nd  Conference on Technology and  Automation, October 2-3 Thesaloniki, 1998,119-135  (in Greek).

13. G. Hassapis, D. Anannidou, D. Kleftouris,  “A Timed High Level Petri Net Model for the Automation Scheme of a Chemical Process”, IEEE, ICECS_ 99, September 5-8, Pafos, Cyprus, 1999.

14. Kotini, G. Hassapis, “State Identification  in the Hybrid Automata Description of Dynamical Systems”, Software and Hardware Engineering for the 21st Century, pp. 39-43, World Scientific Publishers, 1999.

15. D. Ananidou, G. Hassapis, D. Kleftouris,  “Evaluation of Real-Time Software Design with the Aid of a Petri-Net Template Model”, 7th, Hellenic Conference on Informatics, August 1999, Ioannina, Greece.

16. G. Hassapis, “Monitoring Timing Behavior of Multi-Task Programs Running on Industrial Computers,” Proceedings IMTC /2001, Budapest Hungary,  21-23 May , 2001.

17. G.  Hassapis,  “Stability of Network-Controlled Processes” , 4th International  Conference on Technology and Information, 5&6 October, Thessaloniki, 2002, pp. 63-68, 2002 (in Greek)

18. Ε.Simeonidis,  D. Kleftouris, D. Ananidou and G. Hassapis, “ Using Colored Petri Nets to modeling the dynamic behavior of the application software of a real- time system”, 4th  International  Conference on Technology and Information, 5&6 October, Thessaloniki, 2002, pp. 100-106, 2002.

19. Ananidou  D.,  Hassapis G.,  Kleftouris  D., “A Petri Net formalism modeling the execution of application software on an industrial computer”, International Conference on Software Engineering Research and Practice (SERP 02), Las Vegas, June 24-27, 2002.

20. D. Ananidou, G. Hassapis and D. Kleftouris,  “Design, Testing and Verification of Application Software for Industrial Computers”, International Conference on  Computer Science and Information Technologies (CSIT 2002), Patras Greece, 29- 30 July, 2002.

21. I. Kotini, G. Hassapis, I. Mavridis, “Verification of Hybrid System Specifications using Linear Hybrid Automata”, 7th  WSEAS Multiconference on Circuits, Systems, Communications and Computers (CSCC 2003), Corfu, Greece, July 7-10, 2003.

22. I. Kotini, G. Hassapis, “ Modelling and Performance Evaluation of Hybrid Systems, Proceedings of the 1st  South European Workshop on Formal Methods (SEEFM 2003), Thessaloniki, Greece, 20 November, 2003,  pp. 21-35.

23. George  Hassapis, Niovi Pavlidou and Stella Tzortzidou, “Synchronous teaching of ICT courses to virtual classes over the Internet” International Conference on Engineering Education, October  16–21, 2004, Gainesville, Florida.

24. George Hassapis,Spyridon Geronatsios, and John Grigoriadis, “Testbed Evaluation of  Networked Control Systems”, Proceedinfgs of the 2nd   International Conference on Informatics in Control, Automation and Robotics, ICINCO 2005, Vol. IV, Barcelona, Spain, September 14-17, 2005, 116-123.

25. Zoe Doulgeri, Stella Tzortzidou, Niovi Pavlidou, “Design and Delivery of Courses Based on the Constructivist Theoryu of Learning and Implemented by Virtual E-Learning Environments”, Proceedings of the 2nd  International Conference on Interdisciplinarity in Education ICIE Athens, Greece, May11-13, 2006,

26. George Hassapis, “Implementation of Predictive Control Algorithms on Networked Control Systems”, 2006 American Control Conference ACC 2006, Minneapolis,  Minnesota, June 14-16, 2006.

27. Zoe Doulgeri, Stella Tzortzidou, Niovi Pavlidou and George Hassapis, “ Teaching EngineeringCourses by Mixing Lectures, Simulation,Telelab Exercises and Group Work”,6th  International Conference on Applied Informatics and Communication , AIC’06, Elounda, Agios Nikolaos, Crete Island, Greece, August 18-20, 2006.

28.  Mavridou Ε., Kehagias D., Kalogirou K., Tzovaras D.: An Agent-Oriented Data Mining Framework for Mass Customization in the Automotive Industry. Web Intelligence/IAT Workshops, 575-578, Sydney, Australia, 9-12 Dec. 2008

29.  Ioakeim Samaras, John V. Gialelis, George D. Hassapis, “Integrating Wireless Sensor Networks into Enterprise Information Systems by Using Web Services’, SENSORCOMM 2009, June 18-23, Athens/Greece, 2009.

30. Vincent Akpan, George Hassapis, “Adaptive Predictive Control Using Recurrent Neural Network Identification”, 17th  Mediterranean Conference on Control &Automation, June 24-26, Thessaloniki, Greece, 2009.

31. Ioakeim Samaras, John V. Gialelis, George Hassapis and Vincent Akpa “Utilizing Semantic Web Services in Factory Automation towards Integrating Resource Constrained Devices into Enterprise Information Systems”, 14tt IEEE International Conference on Emerging Technologies in  Factory Automation (EFTA), September 22-26, Mallorca, Spain, 2009.

32. Mavridou Ε., Ioannidis D., Kehagias D., Tzovaras D., Hassapis G.,”Improving Automatic Web Service Classification to Semantic  Categories”, Poster in 1st OASIS International Conference, 4-5 Nov. 2009, Florence, Italy (best student poster award)

33. D. Giakoumis, D. Tzovaras, P. Daras, and G. Hassapis, “Provision of Multimedia Content Search and Retrieval Services to Users on the Move”, 1st International ICST Conference on User Centric Media – UCMedia 2009,  Venice, 9-11 December 2009.

34. George Hassapis, Stella Tzortzidou, Carlos Delgado Kloos, Vassil Alexandrov, “A trans_European Multi Departmental Course on Network  Computing Centered e-Business”,  1st WIETE Conference, . Patayya, Tailand, 22-25 February 2010.

35. D. Giakoumis, D. Tzovaras, P. Daras, and G. Hassapis, “Provision of Multimedia Content Search and Retrieval Services to Users on the Move”, 1st International ICST Conference on User Centric Media – UCMedia 2009, Venice, 9-11 December 2009

36. D. Giakoumis, A. Vogiannou, I. Kosunen, K. Moustakas, D. Tzovaras, G. Hassapis, “Identifying Psychophysiological Correlates of Boredom and Negative Mood induced during HCI”. 1st International Workshop on Bio-inspired Human-Machine Interfaces and Healthcare Applications – B-Interface 2010, Valencia, Spain, 21 – 22 Jan 2010.

37. Theodoroe Fronimos, Loukas Petrou and George Hassapis, “A Sensor Positioning Algorithm for the EMMON Large Scale Wireless Sensor Network Architecture,” IEEE ICIT 2012 Conference, Athens, March 19-21, 2012.

Books and book chapters

1. G. Hassapis, Architecture and programming of industrial control systems, Zitis Publications, Thessaloniki, 2001

2. D. Ananidou, G. Hassapis, and D. Kleftouris, “Evaluation of Real-Time Software

    Design with the Aid of a Petri-net Template Model, Advances in Informatics,

    World Scientific Publishers, 2000.

3. I. Kotini, G. Hassapis, “State Identification  in the Hybrid Automata Description of

    Dynamical Systems” Software and Hardware Engineering for the 21st Century, pp.

    39-43, World Scientific Publishers, 1999.

Supervised educational, research and development projects

1. Measurement instrumentation for flow rate and biological oxygen demand (General Secretariat of R&D, Greek Ministry of industry ).

2. Upgrade Study of the Thessaloniki Refinery Control Center Instrumentation (Esso Pappas Thessaloniki Refinery Company S.A).

3. Shutdown System of the Thessaloniki Refinery  (Esso Pappas, Thessaloniki Refinery Company S.A).

4. Integrated computer system for the architecture design of Computers and Robotics (Greek Ministry of Education)

5. Integrated Mediterranean Program on Information Systems (Greek Ministry of Industry).

6. Automatic handling techniques for non-rigid materials based on their properties (BRITE/EURAM program of the European Union(EU))

7. European community programme on co-operation between universities and industry regarding training in the field of technology   (COMMET program of the EU, 1990-1994).

8. Integrated System for Leather Cutting (BRITE/EURAM program of  EU).

9. Research on innovative mechatronic tools and systems for surgical procedures( BRITE/EURAM program of EU)

10. Integrated Energy Management System  (General Secretariat of R&D, Greek Ministry of Industry))

11.Assessment of the Educational and Research Services of the Electrical and Computer Engineering Dept. (Greek Ministry of Education)

12.Development of a M.Sc. course in scientific computation (EU, Erasmus /Socrates Program, 1996-1998).

13. Students and staff exchange program (EU, Socrates Program , 1999, 2000,   2001).

14. Simulation and Hypertext: Software for training on real-time systems (General Secretariat of R&D, Greek Ministry of Industry)

15. Organizational and operational improvement of the Aristotle University information systems infrastructure. (ΕΠΕΑΕΚ,  Greek Ministry of Education).

16. Career-Space Curriculum Development Project (European  Committee for the Standardization, 2001)

17. Generic e-learning environments and paradigms for the new pan-European information and communication technologies (EU, e-learning initiative, 2001)

18. eTutor-Innovative e-learning methodology for tutors in multi-cultural, collaborative and synchronous context (EU, e-learning initiative, 2004)

19. Satellite Communications Network of Excellence (EU-6th ISP, 2004)

20. Embedded Monitoring (FP7 ARTEMIS JU, March 2008, www.emmon-project.eu)

21. CESAR (FP7, ARTEMIS JU, March 2008,  http://www.cesarproject.eu)

22. SMECY (FP7, ARTEMIS JU, February 2009, www.smecy.eu)

Other selected publications

1. G. Hassapis, “Industrial Automation with Programmable Logic Controllers”, Proceedings of the Seminar on Programmable Controllers, Society of Electrical and Μechanical Engineers of Northern Greece, Thessaloniki 9-15, February, 1987 (in Greek).

2. G. Hassapis, Lecture notes on computer organization, ΑUTh. Publications November 1987 (in Greek).

3. G. Hassapis, Lecture notes on computer architecture, AUTh. Publications, February 1989 (in Greek).

4. G. Hassapis, Lecture notes on industrial informatics, AUTh. Publications, December 1992.(in Greek).

5. C. Eriksson, J. Gustafsson and G. Hassapis, “An environment for the object-oriented design of hard real-time systems,” Report CUS94RP10, Institut for Datateknic, University of Maelardalens, Sweden, 1994.