Εργαλεία
Βρείτε χρήσιμα εργαλεία και οδηγίες για:
 
 
Home People Staff Sotiris Gayialis

Skip to content. | Skip to navigation

Sotiris Gayialis

Dr. Eng. NTUA, Mech. Eng. NTUA

Studies

Dr, Sotiris P. Gayialis has graduated from the School of Mechanical Engineering of the National Technical University Athens in 1997. He holds a PhD (02/2009) at NTUA in the field of Decision Support Systems for Supply Chain Processes.

Experience

Dr. Sotiris P. Gayialis is a teaching and research associate at National Technical University of Athens (NTUA) since 12/2001. In the past he has worked as a consultant and later on, he was involved in research projects as a researcher at NTUA. He has participated in 28 projects at NTUA since 1998 and more than 15 projects as business consultant.

Research Interests

His research interests and publications are related in the areas of Business Process Management, Enterprise Modelling, Supply Chain Management, Decision Support Systems and Management Information Systems, mainly ERP and APS. His research has been published in more than 40 papers in peer reviewed journals, and conference proceedings, as well as in 3 book chapters. He is a co-author of the book "Business Process Management: Engineering, Re-engineering and Improvement". His published work has more than 240 citations and he is a reviewer at European Journal of Operational Research and Transportation Research Part E: Logistics (Elsevier) as well as Enterprise Information Systems journal (Taylor Francis).

Researchgate: https://www.researchgate.net/profile/Sotiris_Gayialis  

Linkedin: https://www.linkedin.com/in/sotiris-gayialis-38bb0b21 

PhD Thesis

 

Selected Publications

Book

Panayiotou N., Evangelopoulos N., Katimertzoglou P. and Gayialis S. (2013) "Business Process Management: Engineering, Reengineering and Improvement" (In Greek), ISBN: 978-960-461-516-2, 510 pages, Kleidarithmos Editions, Athens, Greece

Journals

Papadopoulos G.A, Zamer N., Gayialis S.P., Tatsiopoulos I.P (2016) Supply Chain Improvement in Construction Industry, Universal Journal of Management, Vol. 4, No. 10, pp.528-534

Gayialis S.P., Papadopoulos G.A., Ponis S.T., Vassilakopoulou P. and Tatsiopoulos I. P. (2016) Integrating Process Modeling and Simulation with Benchmarking using a Business Process Management System for Local Government, International Journal of Computer Theory and Engineering, vol. 8, no. 6, pp. 482-489.

Panayiotou N., Gayialis S., Evangelopoulos N. and Katimertzoglou P. (2015) A Business Process Modeling enabled Requirements Engineering Framework for ERP Implementation, Business Process Management Journal, Emerald, Vol. 21 No. 3, pp. 628-664.

Ponis S.T., Gayialis S.P., Tatsiopoulos I.P., Panayiotou N.A., Stamatiou D-R.I. and Ntalla A.C. (2014) An Application of AHP in the Development Process of a Supply Chain Reference Model focusing on Demand Variability, Operational Research - An International Journal, DOI 10.1007/s12351-014-0163-8.

Ponis S.T., Delis A., Gayialis S.P., Kasimatis P. and Tan J. (2013) Applying Discrete Event Simulation (DES) in Healthcare: The Case for Outpatient Facility Capacity Planning, International Journal of Healthcare Information Systems and Informatics, Vol. 8, No 3.

Panayiotou N., Gayialis S. and Evangelopoulos N. (2010) “Integrating Business Process Modelling and ERP Role Engineering”, International Journal of Business Information Systems, Special Issue “Enterprise Resource Planning (ERP) and IT Infrastructures: A Managerial and Technical Perspective”, Inderscience, accepted for publication.

Panayiotou N., Ponis S. and Gayialis S. (2009) “Designing an Industrial Maintenance System – A Proposed Methodological Framework”, International Journal of Information Technology and Management, Special Issue on: “Business Process Management: from Engineering to Execution”, Inderscience, Volume 8, No. 4, pp. 361-381.

Gayialis S., Spanos A., Tatsiopoulos I., (2008) «Α Decision Support System for Detailed Production Scheduling in a Greek Metal Forming Industry», MIBES Transactions, Volume 2, Issue 1, pp. 41-59.

Panayiotou N., Gayialis S., Tatsiopoulos I., (2006) “Reengineering of the Forecasting Process in a Greek Wood-Processing Company” Production Planning & Control, Special Issue on Development of Operations Management in SMEs, Taylor Francis, Volume 17, No. 3, p.p. 257–272.

Panayiotou N., Gayialis S., Domenicos H., Vasilikiotis N., (2005) “An Application of Multicriteria Analysis for ERP Software Selection in a Greek Industrial Company” Operational Research, An International Journal, Springer, Volume 5, No 3, pp. 435-458.

Panayiotou N., Ponis S., Gayialis S., Panayiotou T., (2004) “Business Process Documentation for ERP- Supported Organisations”, WSEAS Transactions on Computers, Issue 5, Volume 3, November 2004, p.p. 1512-1519.

Panayiotou N., Gayialis S., Panayiotou T., Leopoulos V., (2004) “Risk Management Issues in the Implementation of an ERP System for a Large Greek Company”, WSEAS Transactions on Computers, Issue 4, Volume 3, October 2004, pp. 1005 - 1012.

Panayiotou N., Gayialis S., Tatsiopoulos I., (2004) “An E-Procurement System for Governmental Purchasing”, International Journal of Production Economics, Elsevier, Volume 90, Issue 1, p.p. 79-102.

Gayialis S.P., Tatsiopoulos I.P., (2004) “Design of an IT-driven Decision Support System for Vehicle Routing & Scheduling”, European Journal of Operational Research, Special Issue “New Technology in Transportation Systems”, Elsevier, Volume 152, Issue 2, p.p. 382–398.

Book Chapters

Gayialis S.P., Konstantakopoulos G., Tatsiopoulos I.P. (2018) Vehicle Routing Problem for Urban Freight Transportation: A Review of the Recent Literature. In: Sifaleras A., Petridis K. (eds) OR in the digital era - ICT challenges, Springer Proceedings in Business and Economics. Springer, Cham, Accepted for publication.

Panayiotou N.A., Stavrou V.P., Gayialis S.P. (2017) The Application of a Business Process Modeling Architecture in the Supply Chain of a Manufacturing Company: A Case Study. In: Grigoroudis E., Doumpos M. (eds) Operational Research in Business and Economics, p.p. 1-16. Springer Proceedings in Business and Economics. Springer, Cham, ISBN 978-3-319-33003-7.

Ponis, S. T., Delis, A., Gayialis, S. P., Kasimatis, P., & Tan, J. (2015). Applying Discrete Event Simulation (DES) in Healthcare: The Case for Outpatient Facility Capacity Planning. In Healthcare Administration: Concepts, Methodologies, Tools, and Applications (pp. 390-410). Hershey, PA: Medical Information Science Reference. doi:10.4018/978-1-4666-6339-8.ch020.

Panayiotou N., Economitsios S., Athanasiadou C. and Gayialis S. (2011) “Risk Assessment in Virtual Enterprise Networks: A Process-Driven Internal Audit Approach”, Chapter 4.1 in Information Resources Management Association (Ed.) Global Business: Concepts, Methodologies, Tools and Applications (4 Volumes), IGI Global, pp. 888-910.

Panayiotou N., Economitsios S., Athanasiadou C. and Gayialis S. (2010) “Risk Assessment in Virtual Enterprise Networks: A Process-Driven Internal Audit Approach”, in Ponis S. T. (Ed.) “Managing Risk in Virtual Enterprise Networks: Implementing Supply Chain Principles”, pp. 290-312.

Panayiotou N., Ponis S. and Gayialis S. (2007) “Transforming the Government Value Chain: Emerging Business Models and Enabling Technologies”, in Jung Η., Chen F.F. and Jeong Β. (Eds.) “Trends in Supply Chain Design and Management: Technologies and Methodologies”, Springer Series in Advanced Manufacturing, pp. 213-239.

Conference Proceedings

Konstantakopoulos G.D., Gayialis S.P., Tatsiopoulos I.P. (2017) Vehicle Routing Problem for Urban Freight Transportation: A Review, 6th International Symposium and 28th National Conference on Operational Research of HELORS: OR in the digital era - ICT Challenges, Thessaloniki, June 8-10, 2017, Greece.

Papadopoulos G.A., Gayialis S.P., Kechagias E., Zamer N. (2017) Business Process Management Integrated with Risk Management in Construction Industry, 6th International Symposium and 28th National Conference on Operational Research of HELORS: OR in the digital era - ICT Challenges, Thessaloniki, June 8-10, 2017, Greece.

Gayialis S.P., Togias K., Papadopoulos G. and Tatsiopoulos I. (2017) A Review of Modeling Methods and Business Process Modeling Systems, International Conference on Business & Economics of the Hellenic Open University (ICBE-HOU2017), April 21-22, Athens.

Papadopoulos G., Gayialis S.P., Stavropoulos G. and Tatsiopoulos I. (2017) An Application of Business Process Modeling in a Small-To-Medium Industrial Company, International Conference on Business & Economics of the Hellenic Open University (ICBE-HOU2017), April 21-22, Athens.

Stamatiou, D-R. Ι.,  Gayialis S.P., Ponis S.T., Panayiotou N.A., Tatsiopoulos, I.P., (2016). Supplier/Customer relationship management in construction supply chains, 5th International Symposium and 27th National Conference on Operational Research of HELORS, Athens, June 9-11, 2016, Greece. Accepted for publication.

Gayialis S.P., Stamatiou, D-R. Ι.,  Ponis S.T., Panayiotou N.A. (2016).Creating a partial supply chain reference model for the energy industry, 3rd International Open Conference on Business & Public Administration (IOCBPA 2016), 16-17 April 2016, Greece.

Gayialis S.P., Ponis S.T., Tatsiopoulos, I.P., Panayiotou N.A., Stamatiou,  D-R.,  I, & Ntalla A. (2015). Development of a Business Process -enabled Supply Chain Reference Model for Demand Uncertainty Management, 5th Multidisciplinary Academic Conference in Prague, 16-17 October, Prague, Chez, ISBN 978-80-88085-09-6.

Gayialis S.P., Ponis S.T., Panayiotou N.A., Tatsiopoulos I.P. (2015) Managing Demand in Supply Chain: The Business Process Modeling Approach, in Proceedings of the 4th International Symposium and 26th National Conference on Operational Research, June 4-6, 2015, Chania, ISBN: 978-618-80361-4-7, pp. 73-79.

Panayiotou N.A., Stavrou V., Gayialis S.P. (2015) The Application of A Business Process Modeling Architecture in the Supply Chain of a Manufacturing Company: A Case Study, in Proceedings of the 4th International Symposium and 26th National Conference on Operational Research, June 4-6, 2015, Chania, ISBN: 978-618-80361-4-7, pp. 86-90.

Papadopoulos G.A., Gayialis S.P., Raptis A.A.,Tatsiopoulos I.P. (2015) Matching Demand to Production using Period Batch Control Method: A Case Study, in Proceedings of the 4th International Symposium and 26th National Conference on Operational Research, June 4-6, 2015, Chania, ISBN: 978-618-80361-4-7, pp. 261-266.

Papadopoulos G., Zamer N., Gayialis S. (2015) Improvement Practices in Construction Supply Chain Management, 27th European Conference on Operational Research (EURO 2015), July 12-15, 2015, University of Strathclyde, Glasgow.

Ponis S., Gayialis S., Moschos G., Vasilakopoulou P., Tatsiopoulos I. (2015) An Application of Data Envelopment Analysis for Benchmarking of Local Government Public Services (in Greek),  Hellenic Open Business Administration (HOBA 2015) International Conference, ΙSBN: 97 8-9 60 -538-95 0-5, March 7-8, 2015, Greece.

Gayialis S.P., Papadopoulos G.A., Ponis S.T., Vassilakopoulou P., Tatsiopoulos I.P. (2015) Integrating Process Modeling and Simulation with Benchmarking using a Business Process Management System for Local Government, 6th International Conference on Computer Modeling and Simulation (ICCMS 2015), Feb. 12-13, 2015, Amsterdam, Netherlands.

Gayialis S.P., Ponis S.T., Papadopoulos G.A., Vassilakopoulou P., Tatsiopoulos I.P. (2015) A Web-based Benchmarking System of Public Services in Greek Municipalities, International Conference on Business & Economics of the Hellenic Open University 2015, February 6-7, Athens.

Ponis S.T., Vassilakopoulou, P., Gayialis S.P., and Tatsiopoulos, I.P., (2014), Tailoring Technology to Enhance Organizational Renewal: Insights from an Action Design Research Project, International Conference on Organizational Learning, Knowledge and Capabilities, April 22-24, Oslo, Norway. 

Gayialis S.P., Ponis, S.T., Tsigos, O., Tatsiopoulos, I.P. and Vassilakopoulou, P. (2014), A Business Process Management System for Benchmarking and Reengineering Purposes of Public Services,  Hellenic Open Business Administration (HOBA 2014) International Conference, March 8-9,  Greece.

Ponis S., Gayialis S., Tatsiopoulos I., Panayiotou N. and Stamatiou D-R. (2013) Modeling Supply Chain Processes: A Review and Critical Evaluation of Available Reference Models, in Siskos Y., Matsatsinis N. and Psarras J. (Eds.), Proceedings of the 24th National Conference on Operational Research, 26-28 September 2013, pp. 270-276, .

Gayialis S., Ponis S., Tatsiopoulos I., Panayiotou N. and Stamatiou D-R. (2013) A Knowledge-based Reference Model to Support Demand Management in Contemporary Supply Chains, In Proceedings of the 14th European Conference on Knowledge Management, Kaunas University of Technology, Lithuania, 5-6 September 2013, pp. 236-244.

Gayialis S.P., Spanos A.C., Fragkoudis K., Tatsiopoulos I.P., (2008) “An Applied Algorithmic Framework for Detailed Scheduling in Manufacturing Environment“, 20th Hellenic Conference on Operations Research (ΕΕΕΕ), “ΟR in Supply Chain Management”, Spetses, 19-21 June 2008.

Gayialis S., Spanos A., Tatsiopoulos I., (2008) “Α Decision Support System for Detailed Production Scheduling in a Greek Metal Forming Industry”, Management of International Business & Economic Systems (MIBES) Conference, Larissa, 4-6 July 2008.

Spanos A., Gayialis S., Papadopoulos G., Tatsiopoulos I. (2008) “An IT Enabled Production Planning and Control System: from Aggregate Plan to Detailed Schedules”, 4th National Conference of Hellenic Society of Systemic Studies (HSSS), Ioannina, 29-31 May 2008.

Spanos A., Gayialis S. and Tatsiopoulos I. (2007) “An Overview of Classical and Modern Algorithms for the Job Shop Scheduling Problem”, 19th Hellenic Conference on Operations Research (ΕΕΕΕ), “ΟR in Supply Chain Management”, Arta, 21-23 June 2007.

Panayiotou N. and Gayialis S. (2006) “Transforming Enterprise Knowledge: The Case of Data Design for ERP-Enabled Plant Maintenance Process”, 18th Hellenic Conference on Operations Research, “Planning, Information Retrieval and Knowledge Management”, Kozani, 15-17 June 2006, pp. 11-121.

Panayiotou N., Gayialis S., Domenikos H., Ponis S., (2005) “A Staged BPR Approach Driven By ERP Information Technology in A Large Greek Company” The 3rd International Workshop on Supply Chain Management & Information Systems (SCMIS 2005), Thessaloniki, 6 – 8 July 2005.

Panayiotou N., Gayialis S. and Ponis S., (2005) “Achieving Business Process Improvement in SMEs Using Open Source Content Management Systems”, The Seventh SMESME International Conference: Stimulating Manufacturing Excellence in Small and Medium Enterprises”, Glasgow, Scotland, June 12-15 2005, pp. 149-156.

Panayiotou N., Ponis S., Gayialis S., (2004) “An Integrated Business Modelling Approach for ERP-Supported Process Documentation”, International Carpathian Control Conference (ICCC) 2004, Zakopane, Poland, May 25-28, 2004.

Panayiotou N., Gayialis S. Ponis S., (2004) “A Structured Methodology and a Proposed Toolset for Reorganizing the Customer Service Process”, 7th International Conference of Business Information Systems (BIS), Poznań, Poland, April 21-23, 2004, p.p. 162-174.

Panayiotou N., Ponis S., Gayialis S., Panayiotou T, (2004) “Business Process Documentation for ERP- Supported Organisations”, 4th WSEAS International Conference on Information Science, Communications and Applications (ISA 2004), Miami, Florida, April 21-23, 2004.

Panayiotou N., Gayialis S., Panayiotou T., Leopoulos V., (2004) “Risk Management Issues in the Implementation of an ERP System for a Large Greek Company”, 3rd WSEAS Multiconference (SEPADS 2004), Salzburg, Austria, February 13-15, 2004.

Panayiotou N. A., Gayialis S. P., Tatsiopoulos I. P., (2003) “Reengineering of the Forecasting Process in a Greek Wood-Processing Company”, The Sixth SMESME International Conference: “Stimulating Manufacturing Excellence in Small and Medium Enterprise”, Athens, June 1-3, 2003, pp. 416-430.

Tatsiopoulos, I. P., Panayiotou N. A., Gayialis S. P., (2002) “An E-Procurement System for Governmental Purchasing”, 12th International Working Seminar on Production Economics, Igls/Innsbruck, Austria, February 18-22, 2002.

Tatsiopoulos I.P., Gayialis S.P., Hadzilias E.A., (2001) “Design of an IT-Driven System for Vehicle Routing and Scheduling in Oil Downstream Operations”, 17th International Logistics Congress and Exposition (ILC 2001) “Logistics from α to Ω - Strategies and Applications”, Thessaloniki, October 18- 20, 2001.

Citations

 
The file: " Gayialis Citations" include a  catalogue of Dr. Sotiris Gayialis' citations .
Document Actions