Publications

Ph.D. Thesis

Samaras, N. (2001). "Computational improvements and efficient implementation of two path pivoting algorithms", Ph.D. Dissertation, Department of Applied Informatics, University of Macedonia, (Thesis supervisor: Professor Konstantinos Paparizos). (In Greek)

B.Sc. Thesis

Samaras, N., Tsiplidis, K. (1995). "Marketing Decision Support Systems: Development of New Products", B.Sc. Thesis, Department of Applied Informatics, University of Macedonia. (In Greek)

Books

1. Ploskas, N., Samaras, N. (2017). "Introduction. In: Linear Programming Using MATLAB®", Series: Springer Optimization and Its Applications, vol 127. Springer, Cham. ISBN: 978-3-319-65917-6
2. Ploskas, N., Samaras, N. (2016). "GPU Programming in MATLAB", Morgan Kaufmann Publishers, Elsevier Inc., San Diego, U.S.A. ISBN: 978-0128051320 "(Mathworks site)"
3. Paparrizos, K., Samaras, N., Sifaleras, A. (2009). "Network Optimization", ZYGOS Publications, Thessaloniki. ISBN: 978-960-8065-68-0 (In Greek)
4. Stephanides, G., Samaras, N. (1999). "Computational Methods with Matlab", ZYGOS Publications, Thessaloniki. ISBN: 960-8065-05-4 (In Greek)

Edited Books

1. Bronson, R., Naadimuthu, G. (2010). "Operations Research", 2nd edition, McGraw-Hill, Samaras, N. (Ed.), Klidarithmos Publications, Athens. ISBN: 978-960-461-314-4 (In Greek)
2. Roiger, J. R., Geatz, W. M. (2008). "Data Mining. A tutorial based primer", Addison Wesley, Dervos, D., Evangelidis, G., Samaras, N. (Eds.), Klidarithmos Publications, Athens. ISBN: 978-960-461-206-2 (In Greek)

Book Chapters

1. Paparrizos, K., Samaras, N., Tsiplidis, K. (2001). "Pivoting algorithms for (LP) generating two paths", Pardalos, M.P., Floudas, A.C. (Eds), Encyclopedia of Optimization, Kluwer Academic Publishers, Vol. 4, pp. 302–306.
2. Paparrizos, K., Samaras, N., Zissopoulos, D. (2001). "Klee-Minty examples for (LP)", Pardalos, M.P., Floudas, A.C. (Eds), Encyclopedia of Optimization, Kluwer Academic Publishers, Vol. 3, pp. 193–199.
3. Achatz, H., Paparrizos, K., Samaras, N., Tsiplidis, K. (2002). "A forest exterior point algorithm for assignment problems", Pardalos, M.P., Midgalas, A., Buckard, R. (Eds), Combinatorial and Global Optimization, Word Scientific Publishing Co., pp. 1–10.
4. Fouliras, P., Samaras, N. (2008). "A generic framework for bluetooth promoted multimedia on demand (BlueProMoD)", Gutierrez, J. (Ed.), Selected Readings on Telecommunications and Networking, IGI Global, pp. 142–155.
5. Paparrizos, K., Samaras, N., Tsiplidis, K. (2008). "Pivoting algorithms for (LP) generating two paths", Pardalos, M.P., Floudas, A.C. (Eds), Encyclopedia of Optimization, 2nd edition, Springer, pp. 2965–2969.
6. Paparrizos, K., Samaras, N., Zissopoulos, D. (2008). "Klee-Minty examples for (LP)", Pardalos, M.P., Floudas, A.C. (Eds), Encyclopedia of Optimization, 2nd edition, Springer, pp. 1891–1897.
7. Ploskas, N., Samaras, N., Margaritis, K. (2013). "A parallel implementation of the revised simplex algorithm using OpenMP: some preliminary results", A. Migdalas et al. (Eds) Optimization Theory, Decision Making, and Operations Research Applications, Series Title: Springer Proceedings in Mathematics & Statistics 31, Springer New York, pp. 163–175.
8. Ploskas, N., Samaras, N., Papathanasiou, J. (2013). "A web-based decision support system using basis update on simplex type algorithms", T. Hernandez, et al. (Eds), Decision Support Systems II - Recent Developments Applied to DSS Network Environments, Lecture Notes in Business Information Processing (LNBIP 164), Springer New York, pp. 102–114.
9. Papathanasiou, J., Ploskas, N., Samaras, N. (2014). "A web-based decision support system for the multiple capacitated facility location problem", F. Dargam, et al. (Eds), Decision Support Systems III - Impact of Decision Support Systems for Global Environments, Lecture Notes in Business Information Processing (LNBIP 184), Springer New York, pp. 34–44.
10. Ploskas, N., Athanasiadis, I., Papathanasiou, J., Samaras, N. (2015). "A collaborative spatial decision support system for the capacitated vehicle routing problem on a tabletop display", I. Linden et al. (Eds), Decision Support Systems IV - Information and Knowledge Management in Decision Processes, Lecture Notes in Business Information Processing (LNBIP 221), Springer New York, pp. 26–36.
11. Ploskas, N., Athanasiadis, I., Papathanasiou, J., Samaras, N. (2015). "A Tangible Collaborative Decision Support System for Various Variants of the Vehicle Routing Problem", B. Delibasic et al. (Eds), Decision Support Systems V – Big Data Analytics for Decision Making, Lecture Notes in Business Information Processing (LNBIP 216), Springer New York, pp. 73–84.
12. Petraki, D., Samaras, N. (2016). "Component Matrices of a Square Matrix and their properties", Mathematical Analysis, Approximation Theory and their Applications, Th. Rassias, & V. Gupta (Eds), Springer Optimization and its Applications, Vol. 111, pp. 559–572.

Journal Papers

1. Paparrizos, K. Stephanides, G., Samaras, N. (2001). "Improved criteria for identifying optimal basic and nonbasic variables in LP", Journal of Computational Analysis and Applications, Vol. 3(1), pp. 75–82.
2. Paparrizos, K., Samaras, N., Stephanides, G. (2003). "An efficient simplex type algorithm for sparse and dense linear programs", European Journal of Operational Research, Vol. 148(2), pp. 323–334.
3. Paparrizos, K., Samaras, N., Stephanides, G. (2003). "A new efficient primal dual simplex algorithm", Computers and Operations Research, Vol. 30(9), pp. 1383–1399.
4. Papamanthou, Ch., Paparrizos, K., Samaras, N. (2004). "Computational experience with exterior point algorithms for the transportation problem", Applied Mathematics and Computation, Vol. 158, pp. 459–475.
5. Andreou, D., Paparrizos, K., Samaras, N., Sifaleras, A. (2005). "Application of a new network-enabled solver for the assignment problem in computer-aided education", Journal of Computer Science, Vol. 1(1), pp. 19–23.
6. Papamanthou, Ch., Paparrizos, K., Samaras, N. (2005). "A parametric visualization software for the assignment problem", Yugoslav Journal of Operations Research, Vol. 15(1), pp. 147–158.
7. Samaras, N., Stergiou, K. (2005). "Binary encodings of non-binary constraint satisfaction problems: Algorithms and experimental results", Journal of Artificial Intelligence Research, Vol. 24, pp. 641–684.
8. Karagiannis, P., Markelis, I., Paparrizos, K., Samaras, N., Sifaleras, A. (2006). "E-learning technologies: employing matlab web server to facilitate the education of mathematical programming", International Journal of Mathematical Education in Science and Technology, Vol. 37(7), pp. 765–782.
9. Lazaridis, V., Paparrizos, K., Samaras, N., Sifaleras, K. (2007). "Visual LinProg: A web-based educational software for Linear Programming", Computer Applications in Engineering Education, Vol. 15(1), pp. 1–14.
10. Andreou, D., Paparrizos, K., Samaras, N., Sifaleras, A. (2007). "Visualization software of the network exterior primal simplex algorithm for the minimum cost network flow problem", Operational Research. An International Journal, Vol. 7(3), pp. 449–463.
11. Fouliras, P., Samaras, N. (2008). "A generic framework for bluetooth promoted multimedia on demand (BlueProMoD)", Journal of Information Technology Research, Vol. 1(1), pp. 1–13.
12. Papamanthou, Ch., Paparrizos, K., Samaras, N., Stergiou, K. (2008). "Worst case examples of an exterior point algorithm for the assignment problem", Discrete Optimization, Vol. 5(3), pp. 605–614.
13. Paparrizos, K., Samaras, N., Sifaleras, A. (2009). "An exterior simplex type algorithm for the minimum cost network flow problem", Computers and Operations Research, Vol. 36(4), pp. 1176–1190.
14. Samaras, N., Sifaleras, A., Triantafyllidis, Ch. (2009). "A primal-dual exterior point algorithm for linear programming problems", Yugoslav Journal of Operations Research, Vol. 19(1), pp. 123–132.
15. Tzolakis, G., Papanikolaou, P., Kolokotronis, D., Samaras, N., Tomboulides, A., Tourlidakis, A. (2010). "Emissions’ reduction of a coal-fired power plant via reduction of consumption through simulation and optimization of its mathematical model", Operational Research. An International Journal, Vol. 10(1), pp. 71–89.
16. Harhalakis, S., Samaras, N., Vitsas, V. (2010). "Reconsidering the usage of stand-alone packets for congestion indication", Electronics Letters, Vol. 46(11), pp. 765–766.
17. Papamanthou, Ch., Paparrizos, K., Samaras, N., Sifaleras, A. (2010). "On the initialization methods of an exterior point algorithm for the assignment problem", International Journal of Computer Mathematics, Vol. 87(8), pp. 1831–1846.
18. Glavelis, Th., Ploskas, N., Samaras, N. (2010). "A computational evaluation of some free mathematical software for scientific computing", Journal of Computational Science, Vol. 1(3), pp. 150–158.
19. Fragkiadaki, E., Evangelidis, G., Samaras, N., Dervos, D. (2011). "f-value: measuring an article’s scientific impact", Scientometrics, Vol. 86(3), pp. 671–686.
20. Karagiannis, P., Vouros, G., Stergiou, K., Samaras, N. (2012). "Overlay networks for task allocation and coordination in large-scale networks of cooperative agents", Journal of the International Foundation for Autonomous Agents and Multi-Agent Systems, Vol. 24(1), pp. 26–68.
21. Tzolakis, G., Papanikolaou, P., Kolokotronis, D., Samaras, N., Tourlidakis, A., Tomboulides, A. (2012). "Simulation of a coal-fired power plant using mathematical programming algorithms in order to optimize its efficiency", Applied Thermal Engineering, Vol. 48, pp. 256–267.
22. Samaras, N. (2012). "Commercial and open source software for mathematical programming", Journal of Computational Optimization in Economics and Finance, Vol. 4(1), pp. 31–44.
23. Lazaridis, V., Samaras, N., Sifaleras, A. (2013). "An empirical study on factors affecting the educational usefulness of algorithm visualization", Computer Applications in Engineering Education, Vol. 21(3), pp. 410–420.
24. Samaras, N. (2013). "Basis update methods in the revised simplex method", International Journal of Engineering and Management, Vol. 5(1), pp. 15–22.
25. Ploskas, N., Samaras, N. (2013). "A computational comparison of basis updating schemes for the simplex algorithm on a CPU-GPU system", American Journal of Operations Research, Vol. 3, pp. 497–505.
26. Glavelis, Th., Samaras, N. (2013). "An experimental investigation of a primal–dual exterior point simplex algorithm", Optimization: A Journal of Mathematical Programming and Operations Research, Vol. 62(8), pp. 1143–1152.
27. Ploskas, N., Samaras, N. (2014). "Pivoting rules for the revised simplex algorithm", Yugoslav Journal of Operations Research, Vol. 24(3), pp. 321–332.
28. Ploskas, N., Samaras, N. (2014). "GPU accelerated pivoting rules for the simplex algorithm", Journal of Systems and Software, Vol. 96, pp. 1–9.
29. Ploskas, N., Samaras, N., Papathanasiou, J. (2014). "A decision support system for solving linear programming problems", International Journal of Decision Support System Technology, Vol. 6(2), pp. 46–62.
30. Triantafyllidis, Ch., Samaras, N. (2015). "Three nearly scaling invariant versions of an exterior point algorithm for linear programming", Optimization: A Journal of Mathematical Programming and Operations Research, Vol. 64(10), pp. 2163–2181.
31. Paparrizos, K., Samaras, N., Sifaleras, A. (2015). "Exterior point simplex-type algorithms for linear and network optimization problems", Annals of Operations Research, Vol. 229(1), pp. 607–633.
32. Ploskas, N., Athanasiadis, I., Papathanasiou, J., Samaras, N. (2015). "An interactive spatial decision support system enabling co-located collaboration using tangible user interfaces for the multiple capacitated facility location problem", International Journal of Decision Support System Technology, Vol. 7(2), pp. 15–28.
33. Ploskas, N., Samaras, N. (2015) "A computational comparison of scaling techniques for linear optimization problems on a graphical processing unit", International Journal of Computer Mathematics, Vol. 92(2), pp. 319–336.
34. Ploskas, N., Samaras, N. (2015). "Efficient GPU-based implementations of simplex type algorithms", Applied Mathematics and Computation, Vol. 250, pp. 552–570.
35. Petraki, D., Samaras, N. (2016). "Solving the nth Degree Polynomial Matrix Equation", International Journal of Nonlinear Analysis and Applications. (Accepted for publication).

Conference Papers

1. Paparrizos, K., Samaras, N., Tsiplidis, K. (1995). "Some results on the finiteness of an Exterior Point Simplex Algorithm", in Proc. 3rd Balkan Conference on Operational Research (BALCOR 1995), 16–19 October 1995, Thessaloniki, Greece, Vol. I, pp. 402–414.
2. Dosios, K., Paparrizos, K., Samaras, N., Tsiplidis, K. (1996). "Simplex type algorithms generating two paths to the optimal solution", in Proc. 2nd Scandinavian Workshop on Linear Programming, 21–24 August, Copenhagen, Denmark, pp. 35–38.
3. Paparrizos, K., Samaras, N., Tsiplidis, K. (1997). "An algorithm for assignment problems initialized with a solution that is neither primal nor dual feasible", in Proc. Summer School, Conference in Complexity, August 1997, Peraia, Thessaloniki, Greece (In Greek)
4. Paparrizos, K., Samaras, N., Stephanides, G. (2000). "A method for generating random optimal linear problems and a comparative computational study", in Proc. 13th National Conference Hellenic Operational Research Society, 30 November – 2 December, University of Piraeus, Greece, pp. 785–794 (In Greek).
5. Lazaridis, V., Paparrizos, K., Samaras, N., Zissopoulos, D. (2000). "Visualization of linear programming algorithms", in Proc. 13th National Conference Hellenic Operational Research Society, 30 November – 2 December, University of Piraeus, Greece, pp. 729–737 (In Greek).
6. Lazaridis, V., Samaras, N., Zissopoulos, D. (2003). "Visualization and teaching simplex algorithm", ICALT03, in Proc. 3rd IEEE International Conference on Advanced Learning Technologies, 09–11 July, Athens, Greece, pp. 270–271.
7. Lazaridis, V., Paparrizos, K., Samaras, N., Zissopoulos, D. (2003). "A complete training system for teaching revised simplex algorithm", in Proc. 16th National Conference, Hellenic Operational Research Society, 25–27 September, Larisa, Greece. (In Greek).
8. Dosios, K., Paparrizos, K., Samaras, N., Sifaleras, A. (2003). "NetPro, an educational platform for network optimization", in Proc. 16th National Conference, Hellenic Operational Research Society, 25–27 September, Larisa, Greece, pp. 287–295.
9. Dosios, K., Paparrizos, K., Samaras, N., Sifaleras, A. (2003). "An efficient modification of the primal-dual two paths simplex algorithm", in Proc. International Conference on Computational Methods in Sciences and Engineering (ICCMSE 2003), 12–16 September, Kastoria, Greece, pp. 144–147.
10. Karagiannis, P., Paparrizos, K., Samaras, N., Sifaleras, A. (2004). "Employing mobile agents to secure local networks", in Proc. (electronic form) 1st International Conference on Information & Communication Technologies: From Theory to Applications (ICTTA 2004), IEEE (France), 19–23 April, Damascus, Syria.
11. Samaras, N., Stergiou, K. (2004). "Arc consistency in binary encodings of non-binary CSPs: Theoretical and experimental evaluation", in Proc. 3rd Hellenic Conference on Artificial Intelligence (SETN 2004), 05–08 May, Samos, Greece, Vouros, A.G., Panayiotopoulos, T. (Εds), Lecture Notes in Artificial Intelligence (Methods and Applications of Artificial Intelligence), Vol. 3025, Springer-Verlag, pp. 352–361.
12. Karagiannis, P., Samaras, N., Stergiou, K. (2004). "Arc consistency in the dual encoding of non-binary CSPs", in Proc. First International Workshop on Constraint Propagation and Implementation, 27 September – 1 October, Toronto, Canada, pp. 77–92.
13. Paparrizos, K., Samaras, N., Sifaleras, A., (2004). "A learning tool for the visualization of general, directed or undirected rooted trees", WIT Transactions on Information and Communication Technologies, Vol. 30, WIT Press, Morgan, K., Spector, J.M. (Eds), pp. 205–213, presented at the 1st International Conference on New Learning Paradigms and New Learning Tools, (New Learning 2004), 10–12 May, Skiathos, Greece.
14. Badr, S., Paparrizos, K., Samaras, N., Sifaleras, A. (2005). "On the basis inverse of the exterior simplex algorithm", in Proc. 17th National Conference, Hellenic Operational Research Society, 16–18 June, Rion, Greece, pp. 677–687.
. 15. Alexandraki, X., Koltsidas, N., Lazaridis, V., Samaras, N. (2005). "Computational optimization systems: A comparative evaluation", in Proc. 17th National Conference, Hellenic Operational Research Society, 16–18 June, Rion, Greece, pp. 665–675.
16. Lazaridis, V., Paparrizos, K., Samaras, N. (2005). "Visualization: An effective way for the improvement of understands the simplex algorithm", in Proc. 17th National Conference, Hellenic Operational Research Society, 16–18 June, Rion, Greece, pp. 701–710 (In Greek).
17. Karagiannis, P., Paparrizos, K., Samaras, N., Sifaleras, A. (2005). "A new simplex type algorithm for the minimum cost network flow problem", in Proc. 7th Balkan Conference on Operational Research (BALCOR 2005), 25–28 May, Constanta, Romania, pp. 133–139.
18. Nanos, E., Panagiotides, I., Tomboulides, G. A., Tourlidakis, A., Samaras, N., Paparrizos, K. (2006). "Implementation of Artificial Neural Network (ANN) modeling in power plant operation optimization", In Proc. 18th National Conference, Hellenic Operational Research Society, 15–17 June, Kozani, Greece, pp. 307–315.
19. Fouliras, P., Samaras, N. (2006). "BlueProMoD: Bluetooth promoted multimedia on demand", In Proc. 18th National Conference, Hellenic Operational Research Society, 15–17 June, Kozani, Greece, pp. 319–325.
20. Fragiadaki E., Samaras, N., Harhalakis, S. (2006). "A depth first Search approach to finding the longest common subsequence", In Proc. 18th National Conference, Hellenic Operational Research Society, 15–17 June, Kozani, Greece, pp. 409–423.
21. Voutskidis, P., Samaras, N. (2006). "Investigating various pivoting rules for the revised simplex algorithm", In Proc. 18th National Conference, Hellenic Operational Research Society, 15–17 June, Kozani, Greece, pp. 487–499.
22. Harhalakis, S., Samaras, N., Fragiadaki E. (2006). "An extension to OSPF algorithm for avoiding overloaded nodes", In Proc. 18th National Conference, Hellenic Operational Research Society, 15–17 June, Kozani, Greece, pp. 995–1006.
23. Paparrizos K., Samaras N., Sifaleras A. (2006). "Some preliminary results on the cycling problem for the network exterior type simplex algorithm", In Proc. Seventh International Conference on Operations and Quantitative Management, (ICOQM-VII), 3–5 August, Jaipur, India, pp. 536–540.
24. Ainali, Ch., Kontogounis, G., Samaras N. (2006). "Pattern-matching in DNA sequences using WEKA", In Proc. First International Scientific Conference, e RA-1, 16–17 September, Tripoli, Greece, pp. 312–321.
25. Dervos, A. D., Samaras, N., Evangelidis, G., Hyvärinen, Y., Asmanidis, Y. (2006). "The Universal Author Identifier System (UAI_Sys)", In Proc. First International Scientific Conference, e RA-1, 16–17 September, Tripoli, Greece, pp. 330–337.
26. Dervos, Α. D., Samaras, N., Evangelidis, G., Folias, T. (2006). "A new framework for the citation indexing paradigm", In Proc. 69th ASIS&T Annual Meeting (ASIS&T’06), 3–8 November, Austin, Texas, U.S.A., Vol. 43(1), pp. 1–16.
27. Badr, S., Moussa, M., Paparrizos, K., Samaras, N., Sifaleras, A. (2006). "Some computational results on MPI parallel implementation of dense simplex method", Proc. of World Academy of Science, Engineering and Technology (PWASET) Vol. 23. Proc. 17th International Conference on Computer and Information Science and Engineering (CISE 2006), 08–10 December, Cairo, Egypt, pp. 39–42.
28. Papadopoulos, I., Samaras, N. (2007). "Geometrical solution of linear programs", In Proc. 1st Pan-Hellenic Student Conference on Informatics, Computer Engineering and Related Technologies (ΕΥΡΗΚΑ 2007), 18–20 May, Patras, Greece, pp. 313–322 (In Greek).
29. Ploskas, N., Samaras, N. (2007). "Development of software for computational studies", In Proc. 1st Pan-Hellenic Student Conference on Informatics, Computer Engineering and Related Technologies (ΕΥΡΗΚΑ 2007), 18–20 May, Patras, Greece, pp. 337–348 (In Greek).
. 30. Samaras, N., Sifaleras, A. (2007). "A comparative computational study of exterior point algorithms for the assignment problem", In Proc. (electronic form) 19th National Conference, Hellenic Operational Research Society, 21–23 June, Arta, Greece.
31. Samaras, N., Mazarakis, A. (2007). "Forecasting financial quantities using data mining techniques", In Proc. (electronic form) 19th National Conference, Hellenic Operational Research Society, 21–23 June, Arta, Greece (In Greek).
32. Hristu-Varsakelis, D., Shao, C., Samaras, N. (2007). "Local pursuit as a bio-inspired computational optimal control tool", In Proc. European Control Conference (ECC’07), 2–5 July, Kos, Greece, pp. 4576–4583.
33. Samaras, N., Sifaleras, A., Triantafyllidis, Ch. (2007). "A primal-dual exterior point algorithm for linear programming problems", In Proc. 8th Balkan Conference on Operational Research (BALCOR 2007), 14–17 September, Belgrade-Zlatibor, Serbia, pp. 75–83.
34. Folias, T., Dervos, D., Evangelidis, Y., Samaras, N. (2007). "Cascading citation indexing in action", In Proc. Second International Scientific Conference, e RA-2, 15–16 September, Athens, Greece, pp. 290–299.
35. Asmanidis, Y., Dervos, D., Evangelidis, Y., Samaras, N. (2007). "A pilot web environment implementing cascading citations", In Proc. Second International Scientific Conference, e RA-2, 15–16 September, Athens, Greece, pp. 328–335.
36. Harhalakis, S., Samaras, N., Frafiadaki, E. (2007). "An extended evaluation of a collection of TCP congestion control algorithms", In Proc. (electronic form) 8th Hellenic European Research on Computer Mathematics and its Applications Conference (HERCMA’07), 20–22 September, Athens, Greece.
37. Harhalakis, S., Samaras, N., Frafiadaki, E. (2007). "An improved method for experimental evaluations of TCP congestion control algorithms", In Proc. (electronic form) 8th Hellenic European Research on Computer Mathematics and its Applications Conference (HERCMA’07), 20–22 September, Athens, Greece.
38. Ampatzoglou, A., Chatzigeorgiou, A., Samaras, N. (2007). "Investigating the use of patterns in open-source games", In Proc. 3rd Balkan Conference in Informatics (BCI'2007), 27–29 September, Sofia, Bulgaria, Vol. 2, pp. 187–200.
39. Tzolakis, G., Kolokotronis, D., Samaras, N., Tourlidakis, A., Tomboulides, A. (2008). "Simulation and optimization of the working process of a coal – fired power plant", In Proc. 20th National Conference, Hellenic Operational Research Society, 19–21 June, Spetses Island, Greece, pp. 323–334.
40. Glavelis, Th., Ploskas, N., Samaras, N. (2008). "A peer review of the parallel and distributed toolboxes of matrix programming languages for mathematical programming", In Proc. 20th National Conference, Hellenic Operational Research Society, 19–21 June, Spetses Island, Greece, pp. 767–775.
41. Paparrizos, K., Samaras, N., Triantafyllidis, Ch. (2008). "A computational study of exterior point simplex algorithm variations", In Proc. 20th National Conference, Hellenic Operational Research Society, 19–21 June, Spetses Island, Greece, pp. 777–785.
42. Konstantinidis, N., Evangelidis, G., Samaras, N. (2008). "A new data compression algorithm", In Proc. 2nd Pan-Hellenic Student Conference on Informatics, Computer Engineering and Related Technologies (ΕΥΡΗΚΑ 2008), 29 August, Samos Island, Greece, pp. 230–241 (In Greek).
43. Tzolakis, G., Kolokotronis, D., Samaras, N., Tourlidakis, A., Tomboulides, A. (2008). "Emissions’ reduction of a coal-fired power plant via reduction of consumption through simulation and optimisation of its mathematical model", Energy Science Center – Smart Energy Strategies, Meeting the Climate Change Challenge, 08–10 September, ETH Zurich, Switzerland, pp. 131–133.
44. Stiakakis, E., Sifaleras, A., Samaras, N. (2009). "The transition from traditional healthcare to e-health: A case study on the evaluation of the performance of e-health providers", In Proc. 21th National Conference, Hellenic Operational Research Society, 28–30 May, Athens, Greece, pp. 48–70.
45. Glavelis, Th., Paparrizos, K., Samaras, N. (2009). "Computational experience with presolve techniques", In Proc. (electronic form) 9th Balkan Conference on Operational Research (BALCOR 2009), 02–06 September, Constanta, Romania.
46. Ploskas, N., Samaras, N., Sifaleras, A. (2009). "A parallel implementation of an exterior point algorithm for linear programming problems", In Proc. (electronic form) 9th Balkan Conference on Operational Research (BALCOR 2009), 02–06 September, Constanta, Romania.
47. Hadjikyriacou, E., Samaras, N. (2009). "Face recognition using open-source patterns", In Proc. 3rd Pan-Hellenic Student Conference on Informatics, Computer Engineering and Related Technologies (ΕΥΡΗΚΑ 2009), 10–12 September, Corfu, Greece, pp. 287–297.
48. Hadjikyriacou, E., Samaras, N., Margaritis, K. (2009). "An experimental evaluation of a parallel genetic algorithm using MPI", In IEEE Proc. 13th Panhellenic Conference in Informatics (PCI’09), 10–12 September, Corfu, Greece, pp. 75–79.
49. Fragkiadaki, E., Evangelidis, G., Samaras, N., Dervos, D. (2009). "Cascading citations indexing framework algorithm implementation and testing", In IEEE Proc. 13th Panhellenic Conference in Informatics (PCI’09), 10–12 September, Corfu, Greece, pp. 70–74.
50. Harhalakis, S., Samaras, N., Vitsas, V. (2009). "Exploiting the congestion control behaviour of the transmission control protocol", In IEEE Proc. 4th Balkan Conference in Informatics (BCI’09), 17–19 September, Thessaloniki, Greece, pp. 203–208.
51. Voulgaropoulou, S., Samaras, N. (2010). "An extended study of the computational behavior of the Simplex algorithm", In Proc. 4th Scientific Conference for Undergraduate and Postgraduate Students in Computer Engineering, Informatics, related Technologies and Applications (ΕΥΡΗΚΑ! 2010), 14–16 October, Patra/Ancient Olympia, Greece, pp. 97–108.
52. Orlis, Ch., Samaras, N. (2010). "Computational comparison of heuristics for the travelling salesman problem", In Proc. 4th Scientific Conference for Undergraduate and Postgraduate Students in Computer Engineering, Informatics, related Technologies and Applications (ΕΥΡΗΚΑ! 2010), 14–16 October, Patra/Ancient Olympia, Greece, pp. 117–126.
53. Glavelis, Th., Ploskas, N., Samaras, N. (2010). "A Computation evaluation of some software for mathematical programming", In Proc. IADIS Applied Computing 2010, 14-16 October, Timisoara, Romania, pp. 256–260.
54. Lantzaki, Ch., Samaras, N. (2010). "Web GIS using open-source technology and Google Maps API", In Proc. Εφαρμογές Πληροφορικής και Μεθοδολογίες Διοίκησης, 5 November, Thessaloniki, Greece, pp. 121–130.
55. Symeonidis, O., Samaras, N. (2010). "The Implementation of the Direct Stiffness Method in AutoCAD", In Proc. Εφαρμογές Πληροφορικής και Μεθοδολογίες Διοίκησης, 5 November, Thessaloniki, Greece, pp. 215–231.
56. Papanikos, G., Samaras, N. (2011). "Computational complexity of primal exterior point algorithm", In Proc. (electronic form) 1st National Conference, Hellenic Operational Research Society and Hellenic Mathematical Society, 24–25 June, Athens, Greece (In Greek).
57. Harhalakis, S., Samaras, N., Vitsas, V. (2011). "The effects of active queue management and explicit congestion notification on DNS traffic", In Proc. 16th IEEE Symposium on Computer Communications (IEEE ISCC 2011), 28 June – 1 July, Corfu, Greece, pp. 906–911.
58. Glavelis, Th., Samaras, N., Paparrizos, K. (2011). "An experimental investigation of a primal-dual exterior point simplex algorithm", In Proc. 1st International Symposium & 10th Balkan Conference on Operational Research (BALCOR 2011), Vol. 2, 22–25 September, Thessaloniki, Greece, pp. 240–247.
59. Orlis, Ch., Kartsiotis, G., Samaras, N., Margaritis, K. (2011). "Two new variants of Christofides heuristic for the static TSP and a computational study of a nearest neighbour approach for the dynamic TSP", In Proc. 1st International Symposium & 10th Balkan Conference on Operational Research (BALCOR 2011), Vol. 2, 22–25 September, Thessaloniki, Greece, pp. 376–384.
60. Ploskas, N., Samaras, N., Margaritis, K. (2011). "A parallel implementation of the revised simplex algorithm using OpenMp in a shared memory multiprocessor architecture", In Proc. 1st International Symposium & 10th Balkan Conference on Operational Research (BALCOR 2011), Vol. 2, 22–25 September, Thessaloniki, Greece, pp. 385–392.
61. Harhalakis, S., Samaras, N., Vitsas, V. (2011). "An experimental study of the efficiency of explicit congestion notification", In IEEE Proc. 15th Panhellenic Conference in Informatics (PCI’11), 30 September – 2 October, Kastoria, Greece, pp. 122–126.
62. Ploskas, N., Samaras, N., Papathanasiou, J. (2012). "LU decomposition in revised simplex algorithm", In Proc. 23th National Conference, Hellenic Operational Research Society, 12–14 September, Athens, Greece, pp. 77–81. (In Greek).
63. Ploskas, N., Papathanasiou, J., Samaras, N. (2012). "Parallel implementation of an algorithm for the production units allocation problem", In Proc. 23th National Conference, Hellenic Operational Research Society, 12–14 September, Athens, Greece, pp. 82–86. (In Greek).
64. Tzolakis, G., Kolokotronis, D., Samaras, N., Tourlidakis, A., Tomboulides, A. (2013). "Tool for the simulation and optimization of the operation of a fossil fuel fired power plant", In Proc. (electronic form) 6th International Conference on Clean Coal Technologies (CCT2013), 12–16 May, Thessaloniki, Greece.
65. Ploskas, N., Samaras, N. (2013). "Computational comparison of pivoting rules for the revised simplex algorithm", In Proc. 11th Balkan Conference on Operational Research (BALCOR 2013), 07–10 September, Belgrade-Zlatibor, Serbia, pp. 309–317.
66. Ploskas, N., Samaras, N. (2013). "The impact of scaling on simplex type algorithms", In ACM Proc. 6th Balkan Conference in Informatics (BCI’13), 19–21 September, Thessaloniki, Greece, pp. 17–22.
67. Glavelis, Th., Ploskas, N., Samaras, N. (2013). "Combining interior and exterior simplex type algorithms", In ACM Proc. 17th Panhellenic Conference in Informatics (PCI’13), 19–21 September, Thessaloniki, Greece, pp. 174–179.
68. Giachanou, A., Salampasis, M., Satratzemi, M., Samaras, N. (2013). "Report on the CLEF-IP 2013 Experiments: Multilayer Collection Selection on Topically Organized Patents", In Proc. (electronic form) Conference and Labs of the Evaluation Form (CLEF 2013), Information Access Evaluation meets Multilinguality, Multimodality and Visualization, 23–26 September, Valencia, Spain.
69. Giachanou, A., Salampasis, M., Satratzemi, M., Samaras, N. (2014). "A User-Centered Evaluation of a Web Based Patent Classification Tool", In Proc. Workshop Beyond single-shot text queries: bridging the gap(s) between research communities (MindTheGap 2014), 4 March, Berlin, Germany, pp. 6–11.
70. Ploskas, N., Papathanasiou, J., Samaras, N. (2014). "Towards a Web-Based Spatial Decision Support System for the Multiple Capacitated Facility Location Problem", In Proc. Joint International Conference of the INFORMS GDN Section and the EURO Working Group on DSS (GDN 2014), 10–14 June, Toulouse, France, pp. 176–182.
71. Samaras, N., Madamas, S. (2016). "A review of the Hadoop ecosystem exploring the TFOCS optimization solver utilizing the data processing engine of Apache Spark", In Proc. 5th International Symposium and 27th National Conference on Operation Research, Hellenic Operational Research Society, 12–14 September, Aigaleo-Athens, Greece, pp. 143–147.
72. Georgoulakos, K., Tsakalidis, G., Vergidis, K., Samaras, N. (2017). "Evolutionary multi-objective optimization of business process designs with pre-processing", In Proc. IEEE Congress on Evolutionary Computation (IEEE CEC 2017), 05–08 June, Donostia-San Sebastian, Spain, pp. 897–904.

Conference Papers (only presentation)

1. Paparrizos, K., Samaras, N., Tsiplidis, K. (1997). "Warm starting procedures for an algorithm generating two paths to optimal solution", 4th Balkan Conference on Operations Research (BALCOR 1997), 20–23 October, Thessaloniki, Greece, Book of Abstracts, p. 62.
2. Paparrizos, K., Samaras, N., Tsiplidis, K. (1997). "A primal - dual two path algorithm for general linear programming problems", 4th Balkan Conference on Operations Research (BALCOR 1997), 20–23 October, Thessaloniki, Greece, Book of Abstracts, p. 50.
3. Stephanides, G., Samaras, N. (1999). "Teaching numerical linear algebra with MATLAB", Conference in Mathematics and New Technologies, 18–20 June, Thessaloniki, Greece.
4. Paparrizos, K., Samaras, N., Sifaleras, A. (2006). "On the empirical behavior of a new network exterior point simplex algorithm for the minimum cost network flow problem", The Veszprém Optimization Conference: Advanced Algorithms (VOCAL’06), 13–15 December, Veszprém, Hungary.
5. Dervos, D., Samaras, N., Evangelidis, G., Folias, T., Asmanidis, Y. (2007). "The Cascading Citations Analysis Project (C-CAP)", 5th Workshop on Innovations in Scholarly Communication, 18–20 April, CERN, Geneva, Switzerland.
6. Glavelis, Th., Margaritis, K., Ploskas, N., Samaras, N. (2008). "Using grid technologies for the mapping out of taxation policy", 1st HellasGrid User Forum, 10–11 January, Athens, Greece.
7. Glavelis, Th., Margaritis, K., Ploskas, N., Samaras, N. (2008). "Using grid technologies for the mapping out of taxation policy", 3rd EGEE User Forum, 11–14 February, Glermont-Ferrand, France.
8. Papathanasiou, J., Ploskas, N., Samaras, N. (2012). "A dynamic algorithm for the multiple capacitated facility location problem", 8th National & International Conference of the Hellenic Society for Systemic Studies (HSSS 2012): Systems Approach to Strategic Management, 5–7 July, Thessaloniki, Greece, Book of Abstracts.
9. Samaras, N., Sifaleras, A. (2012). "Exterior point simplex-type algorithms for linear and network programming", 21st International Symposium on Mathematical Programming (ISMP 2012), 19–24 August, Berlin, Germany, Book of Abstracts, p. 107.
10. Ploskas, N., Samaras, N. (2013). "Basis update on simplex type algorithms", In Proc. of the EWG-DSS Workshop, Exploring New Directions for Decisions in the Internet Age, 29–31 May, Thessaloniki, Greece, Book of Abstracts, p. 11.
11. Papathanasiou, J., Ploskas, N., Samaras, N. (2013). "A web-based decision support system for the capacitated facility location problem", In Proc. of the EWG-DSS Workshop, Exploring New Directions for Decisions in the Internet Age, 29–31 May, Thessaloniki, Greece, Book of Abstracts, p. 29.
12. Ploskas, N., Samaras, N., Papathanasiou, J. (2013). "A decision support system for solving linear programming problems", In Proc. of the EURO Mini-Conference on Collaborative Decision Systems in Economics, Complex Societal & Environmental Applications, 17–19 October, Graz, Austria, Book of Abstracts, p. 4.
13. Papathanasiou, J., Ploskas, N., Samaras, N. (2014). "Analysis and Design Considerations of a Web-Based Decision Support System for the Multiple Capacitated Facility Location Problem", International Workshop on Enterprise Information Systems, 15–17 May, Tirana, Albania, Book of Abstracts
14. Ploskas, N., Samaras, N., Sahinidis, N. (2016). "Accelerating the Simplex Algorithm via Novel Crash Procedures", 2016 AIChE Annual Meeting, 13–18 November, San Francisco, U.S.A., Book of Abstracts.
15. Ploskas, N., Samaras, N., Sahinidis, N. (2016). "An advanced starting basis for the simplex algorithm", INFORMS Annual Meeting 2016, 13–16 November, Nashville, U.S.A.
16. Ploskas, N., Samaras, N., Sahinidis, N. (2017). "An advanced starting basis for the simplex algorithm", Poster Presentation at the Center for Advanced Process Decision-Making (CAPD) Annual Meeting, Carnegie Mellon University, 13–14 March 2017, Pittsburgh, USA.

Technical Reports

1. Karagiannis, P., Paparrizos, K., Samaras, N., Sifaleras, A. (2004). "A short bibliography on the assignment problem and its applications", This research was supported in part by the Operational Programme "Education and Primary Vocational Training" (EPEAEK II), for the “Pythagoras I” Project "Computational Improvements in Combinatorial Optimization Algorithms", in cooperation with the InCoSys (In-telligent Co-operative Sys-tems) of the University of Aegean, Dept. of Information and Communication Systems Engineering.