Δρ. Δημητριος Ν. Βαρσαμης

A.  Δημοσιεύσεις σε διεθνή περιοδικά με κριτές

Varsamis, Dimitris and Fotios Chanlioglou, (2018). “A Parallel Approach of Best Fit Decreasing Algorithm”. In: WSEAS Transactions on Computers. 17 (9), pp. 79–85.

Varsamis, Dimitris, Evangelos Outsios and Paris Mastorocostas, (2018). “A hybrid learning algorithm for locally recurrent neural networks”. In: Contemporary Engineering Sciences. 11 (1), pp. 1–13.

Varsamis, Dimitris, (2017). “On the parallel implementation of best fit decreasing algorithm in Matlab”. In: Contemporary Engineering Sciences. 10 (19), pp. 945–952.

Varsamis, Dimitris, (2017). “The technique ”Evaluation-Interpolation” in parallel processing with Matlab”. In: Applied Mathematical Sciences. 11 (36), pp. 1793–1801.

Mastorocostas, Paris, Constantinos Hilas, Dimitris Varsamis and Stergiani Dova, (2017). “Telecommunications call volume forecasting with a block-diagonal recurrent fuzzy neural network”. In: Telecommunication Systems. 63 (1), pp. 15–25.

Papatsoris, Anastasios and Dimitris Varsamis, (2016). “Utilization of the MF band for providing digital radio services in Greece”. In: Journal of Engineering Science and Technology Review. 9 (5), pp. 68–71.

Varsamis, Dimitris, Nicholas Karampetakis and Paris Mastorocostas (2016). “Transformations between two-variable polynomial bases with applications”. In: Applied Mathematics and Information Sciences. 10 (4), pp. 1303–1311.

Varsamis, Dimitris and Apostolos Papakonstantinou (2016). “A numerical algorithm for the optimal placement of inset maps”. In: Applied Mathematical Sciences. 10 (61), pp. 3003–3017.

Varsamis, Dimitris and Nicholas Karampetakis (2015). “On the Numerical Computation of the Determinant of a Bivariate Polynomial Matrix”. In: Applied Mathematical Sciences. 9 (103), pp. 5107–5115.

Papakonstantinou, Apostolos, Christos Christodoulou, and Dimitris Varsamis (2014). “On the Automation of the Cartographic Insetting Procedure with Parallel Numerical Searching Algorithm”. In: Journal of Surveying and Mapping Engineering. 2 (3), pp. 56–64.

Varsamis, Dimitris and Nicholas Karampetakis (2014). “Optimal degree estimation of the determinant of a polynomial matrix”. In: Applied Mathematics and Information Sciences. 8 (2), pp. 827–831.

Varsamis, Dimitris and Nicholas Karampetakis (2014). “Transformations between Bivariate Polynomial Bases”. In: International Journal of Mathematical, Computational, Physical and Quantum Engineering. 8 (10), pp. 1204 –1207.

Varsamis, Dimitris and Nicholas Karampetakis (2014). “On the Newton bivariate polynomial interpolation with applications”. In: Multidimensional Systems and Signal Processing. 25 (1), pp. 179–209.

Varsamis, Dimitris, Nicholas Karampetakis and Paris Mastorocostas (2014). “An optimal bivariate polynomial interpolation basis for the application of the evaluation-interpolation technique”. In: Applied Mathematics and Information Sciences. 8 (1), pp. 117–125.

Mastorocostas, Paris, Constantinos Hilas, Dimitris Varsamis and Stergiani Dova (2013). “A Block-Diagonal Recurrent Neural Network for Telecommunications Call Volume Forecasting”. In: International Journal on Advances in Computing and Communication Technologies. 3 (1), pp. 7–12.

Mastorocostas, Paris, Constantinos Hilas, Dimitris Varsamis and Stergiani Dova (2013). “A recurrent neural network-based forecasting system for telecommunications call volume”. In: Applied Mathematics and Information Sciences. 7 (5), pp. 1643–1650.

Papakonstantinou, Apostolos, Dimitris Varsamis and Nikos Soulakellis (2011). “Inset Mapper: A software tool in Island cartography”. In: Cartography and Geographic Information Science. 38 (4), pp. 384–397.

Παπακωνσταντίνου, Α., Δ. Βαρσάμης and Ν. Σουλακέλλης (2011). “Inset Mapper: Ένα λογισμικό για το πρόβλημα της «Χωρικής Ασυνέχειας του Γεωγραφικού Χώρου»”. In: ΧΩΡΟ-ΓΡΑΦΙΕΣ. 2 (2), pp. 79–87.

Mastorocostas, Paris, Dimitris Varsamis, Constantinos Hilas and Constantinos Mastorocostas (2008). “A generalized Takagi–Sugeno–Kang recurrent fuzzy-neural filter for adaptive noise cancelation”. In: Neural Computing and Applications. 17 (5), pp. 521–529.

Mastorocostas, P.A., D.N. Varsamis, C.A. Mastorocostas and C.S. Hilas (2007). “Dynamic fuzzy model for processing lung sounds”. In: Electronics Letters. 43 (6), pp. 320–322.

B.     Δημοσιεύσεις σε πρακτικά διεθνών συνεδρίων με κριτές

Varsamis, Dimitris and Fotios Chanlioglou. “A parallel approach of Best Fit Decreasing algorithm”. In: International Conference on Mathematics and Physics, Athens, Greece, December 28-30, 2017.

Varsamis, Dimitris, Christos Talagkozis, Alkiviadis Tsimpiris and Paris Mastorocostas. “A Parallel Implementation of k-Means in MATLAB”. In: ICADPC 2017: 19th International Conference on Advances in Distributed and Parallel Computing, Istanbul, Turkey October 26-27, 2017. Vol. 19. 10, pp. 2380–2383.

Papatsoris, Anastasios and Dimitris Varsamis. “Utilization of the MF band for Providing Digital Radio Services in Greece”. In: PACET 2015, Ioannina.

Papakonstantinou, Apostolos, Dimitris Varsamis and Nikolaos Soulakellis. “An Algorithm for Optimizing the Inset Map Procedure in Areas with Land Discontinuity Problem”. In: 5th Jubilee International Conference on Cartography and GIS, June 15-21, 2014, Riviera, Bulgaria.

Varsamis, Dimitris and Nicholas Karampetakis. “Transformations between Bivariate Polynomial Bases”. In: ICNA 2014: International Conference on Numerical Algorithms, London, United Kingdom, (Oct 24-25, 2014). Vol. 1. 10, pp. 227–231.

Varsamis, Dimitris, Christos Talagkozis, Paris Mastorocostas, Evangelos Outsios and Nicholas Karampetakis. “The performance of the MATLAB Parallel Computing Toolbox in specific problems”. In: Advanced Information Science and Applications – Volume I, 18th Int. Conf. on Circuits, Systems, Communications and Computers (CSCC 2014), July 17-21, 2014, Santorini Island, Greece. Vol. 1, pp. 145–150.

Mastorocostas, P.A., C.S. Hilas, D.N. Varsamis and S.C. Dova. “A Block-Diagonal Recurrent Neural Network for Telecommunications Call Volume Forecasting”. In: Proceedings of International Conference on Computer Science and Electronics Engineering, Dubai, U.A.E., 2013, pp. 7–11.

Mastorocostas, P.A., C.S. Hilas, D.N. Varsamis, and S.C. Dova. “A telecommunications call volume forecasting system based on a recurrent fuzzy neural network”. In: The 2013 International Joint Conference on Neural Networks (IJCNN), Dallas, Texas, 2013, pp. 1–6.

Mastorocostas, P.A., C.S. Hilas, S.C. Dova, and D.N. Varsamis. “Forecasting of telecommunications time-series via an Orthogonal Least Squares-based fuzzy model”. In: 2012 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), pp. 1–8.

Mastorocostas, Paris, Constantinos Hilas, Stergiani Dova and Dimitris Varsamis. “A TSK-based fuzzy system for telecommunications time-series forecasting”. In: 2012 6th IEEE International Conference Intelligent Systems (IS). IEEE, pp. 146–151.

Varsamis, Dimitris N. and Nicholas P. Karampetakis. “On a special case of the two-variable Newton interpolation polynomial”. In: 2nd International Conference on Communications, Computing and Control Applications (CCCA), 06-08 Dec 2012, Marseilles, France, pp. 1–6.

Varsamis, Dimitris N., Paris A. Mastorocostas, Apostolos K. Papakonstantinou and Nicholas P. Karampetakis. “A parallel searching algorithm for the insetting procedure in Matlab Parallel Toolbox”. In:
Federated Conference on Computer Science and Information Systems (FedCSIS), Wrocław, Poland, 9 – 12 September, 2012, pp. 587–593.

Papakonstantinou, Apostolos, Dimitris Varsamis, Nikolaos Soulakellis and Phaedon Kyriakidis. “Inset mapper: A tool for scale selection and inset placing configuration of multiple insets in island cartography”. In: 25th International Cartographic Conference, 4-8 July, Paris, France.

Varsamis, Dimitris N. and Nicholas P. Karampetakis. “On the Newton multivariate polynomial interpolation with applications”. In: 7th International Workshop on Multidimensional (nD) Systems (nDs), 5-7 September 2011, Poitiers, France, pp. 1–8.

Papakonstantinou, Apostolos, Dimitris Varsamis and Soulakellis Nikolaos. “3D-Scale-Cube: A Software Tool for Visual Study of Scale Issues for Geographical Visualisation”. In: 06/2008; In proceeding of: Studying, Modeling and Sense Making of Planet Earth, 1 – 6 June, At Mytilini, Lesvos, Greece.

Varsamis, Dimitris and Nicholas Karampetakis. “PolyxGui : A new Graphical User Interface (GUI) for the polynomial toolbox Polyx”. In: 16th Mediterranean Conference on Control and Automation, June 25-27 2008, Congress Center, Ajaccio-Corsica, France, pp. 141–145.

Mastorocostas, Paris A., Dimitris N. Varsamis, Constantinos A. Mastorocostas and Constantinos S. Hilas. “A Locally Recurrent Globally Feed-Forward Fuzzy Neural Network for Processing Lung Sounds”. In: Artificial Neural Networks – ICANN 2007, 17th International Conference, Porto, Portugal, September 9-13, 2007, Proceedings, Part II, pp. 120–128.

 Mastorocostas, Paris A., Dimitris N. Varsamis and Constantinos A. Mastorocostas. “A Simulated Annealing-based Learning Algorithm for Block-Diagonal Recurrent Neural Networks”. In: IASTED International Conference on Artificial Intelligence and Applications, part of the 24th Multi-Conference on Applied Informatics, Innsbruck, Austria, February 13-16, 2006, pp. 244–249.

Mastorocostas, Paris A., Dimitris N. Varsamis, Constantinos A. Mastorocostas and Constantinos S. Hilas. “A Recurrent Neural Filter for Adaptive Noise Cancellation”. In: IASTED International Conference on Artificial Intelligence and Applications, part of the 24th Multi-Conference on Applied Informatics, Innsbruck, Austria, February 13-16, 2006, pp. 341–346.

Mastorocostas, Paris, Dimitris Varsamis, Constantinos Mastorocostas and Constantinos Hilas. “A Recurrent Fuzzy Filter for Adaptive Noise Cancellation”. In: International Conference on Computational Intelligence for Modelling, Control and Automation, 2005 and International Conference on Intelligent Agents, Web Technologies and Internet Commerce. Vol. 1, pp. 408–413.

Mastorocostas, Paris, Dimitris Varsamis, Constantinos Mastorocostas and Ioannis Rekanos. “An Accelerating Learning Algorithm for Block-Diagonal Recurrent Neural Networks”. In: International Conference on Computational Intelligence for Modelling, Control and Automation, 2005 and International Conference on Intelligent Agents, Web Technologies and Internet Commerce. Vol. 2, pp. 403–408.

C.    Δημοσιεύσεις σε βιβλία

Mastorocostas, Paris A., Dimitris N. Varsamis, Constantinos A. Mastorocostas and Constantinos S. Hilas, (2007). “A Dynamic Fuzzy Model for Processing Lung Sounds”. English. In: Advances and Innovations in Systems, Computing Sciences and Software Engineering. Ed. by Khaled Elleithy. Springer Netherlands, pp. 357–362.

Mastorocostas, Paris A., Dimitris N. Varsamis, Costas A. Mastorocostas and Costas S. Hilas, (2007). “A Locally Recurrent Globally Feed-Forward Fuzzy Neural Network for Processing Lung Sounds”. English. In: Artificial Neural Networks – ICANN 2007. Ed. by JoaquimMarques de Sá, LuísA. Alexandre, Włodzisław Duch, and Danilo Mandic. Vol. 4669. Lecture Notes in Computer Science. Springer Berlin Heidelberg, pp. 120–128.