Δημοσιεύσεις υποψηφίων διδακτόρων, επιβλέπων: Μαργαρίτης Κωνσταντίνος, καθηγητής

PhD students' publications, supervisor: Margaritis Konstantinos, professor

Books/ Chapters

Kaskalis T.H., Margaritis K.G., Tsouros C.C, Systolic optimal linear associative memory ANN prototyping using the Ptolemy environment, High Performance Computers V, Information and Communication Technologies (18), WIT Press, 1997.

Kaskalis T.H., Margaritis K.G., Systolic artificial neural network design, simulation and implementation, Computational Methods and Neural Networks, Dynamic Publishers, pp 35-59, 1999.

Michailidis P.D.,  Margaritis K.G., Text Searching on a Heterogeneous Cluster of Workstations, Lecture Notes in Computer Science (2131), pp. 378-385,  2001.

Michailidis P.D.,  Margaritis K.G., A Performance Study of Load Balancing Strategies for Approximate String Matching on an MPI Heterogeneous System Environment, Lecture Notes in Computer Science (2474), pp. 432-440, 2002.

Michailidis P.D., Margaritis K.G., Performance Analysis of Approximate String Searching Implementations for Heterogeneous Computing Platform, Lecture Notes in Computer Science (2840), pp. 242-246, 2003.

Vozalis, M., Margaritis, K.G., Unison-CF: A multiple-component, adaptive collaborative filtering system, Lecture Notes in Computer Science (3137), Springer, pp. 255-264, 2004.

Toutios A., Margaritis K.G., On the Acoustic-to-Electropalatographic Mapping,  Lecture Notes in Computer Science (3817), Springer, pp. 186-195, 2005.

Toutios A., Margaritis K.G., Mapping the Speech Signal onto Electromagnetic Articulography Trajectories using Support Vector Regression, Lecture Notes in Computer Science (3658), pp. 318-325, 2005.

Michailidis P.D., Stefanidis V.K., Margaritis K.G., Performance analysis of overheads for matrix - Vector multiplication in cluster environment, Lecture Notes in Computer Science (3746), pp. 245-255, 2005.

Stefanidis V.K., Michailidis P.D,  Margaritis K.G., An improved performance prediction model for matrix-vector multiplication on clusters of workstations, HERMIS: The International Journal of Computer Mathematics and its Applications (8), pp. 77-83, 2006.

Paschaloudi V.N., Margaritis K.G., Multimodal Continuous Recognition System for Greek Sign Language using Various Grammars, Lecture Notes in Computer Science (3955), pp. 584-587, 2006.

Vozalis M.G., Markos A., Margaritis K.G., A Hybrid Approach for Improving Prediction Coverage of Collaborative Filtering,  Artificial Intelligence Applications and Innovations (IFIP AICT 296),  pp. 91-498, 2009.

Markos A., Vozalis M.G., Margaritis K.G,. An Optimal Scaling Approach to Collaborative Filtering Using Categorical Principal Component Analysis and Neighborhood Formation, Artificial Intelligence Applications and Innovations (IFIP AICT 339), Springer, pp. 22-29, 2010.

Kouzinopoulos C.S., Margaritis K.G., Parallel Implementation of Exact Two Dimensional Pattern Matching Algorithms using MPI and OpenMP, HERMIS: The International Journal of Computer Mathematics and its Applications (11), pp. 83-86, 2010.

Vozalis M.G., Markos A., Margaritis K.G., Collaborative filtering through SVD-based and hierarchical nonlinear PCA, Lecture Notes in Computer Science (6352), Springer, pp. 395-400, 2010.

Kouzinopoulos C.S., Michailidis P.D, Margaritis K.G., Parallel Processing of Multiple Pattern Matching Algorithms for Biological Sequences: Methods and Performance Results, Bioinformatics - Computational Biology and Modeling, Intech - Open Access Publisher, pp. 161-182,  2011.

Kokkinos Y., Margaritis K.G., Parallelism, localization and chain gradient tuning combinations for fast scalable Probabilistic Neural Networks in data mining applications, in Artificial Intelligence: Theories and Applications,  Lecture Notes in Computer Science (7297), pp 41-48, 2012.

Kokkinos Y., Margaritis K.G., A Regularization Network committee machine of isolated Regularization Networks for distributed privacy preserving data mining”, Artificial Intelligence Applications and Innovations (IFIP AICT 381), pp. 97–106, 2012.

Pyrgiotis T.K, Kouzinopoulos C.S., and Margaritis K.G, Parallel Implementation of the Wu-Manber Algorithm Using the OpenCL Framework, Artificial Intelligence Applications and Innovations (IFIP AICT 382), pp. 576–583, 2012.

Kokkinos Y., Margaritis K.G., Breaking ties of plurality voting in ensembles of distributed neural network classifiers using soft max accumulations, Artificial Intelligence Applications and Innovations (IFIP AICT 436), pp. 20-28, 2014.

Kokkinos Y., Margaritis K.G., Exemplar Selection via Leave-One-Out Kernel Averaged Gradient Descent and Subtractive Clustering, Artificial Intelligence Applications and Innovations (IFIP AICT 475), pp. 292–304, 2016.

Journals

Kaskalis T.H., Margaritis K.G., A reconfigurable systolic Torus for iterative matrix operations, Parallel Algorithms and Applications (10), pp. 79-92, 1996.

Kaskalis T.H., Margaritis K.G., A SIMD implementation of optimal linear associative memory Neural Networks, Neural Parallel and Scientific Computations (6), pp. 373-389, 1998.

Kaskalis T.H., Margaritis K.G., Systolic Artificial Neural Network Prototyping Using Ptolemy, Int. J. Computer Math. (67), pp. 139-153, 1998.

Tsinakos Α.Α. and Margaritis K.G., Student Models: the transit to distance education, European Journal of Open and Distance Learning (11), 2000.

Michailidis P.D. and Margaritis K.G., On-line string matching algorithms: survey and experimental results, Int. J. of Computer Math. (76), pp. 411-434, 2001.

Digalakis J., Margaritis K.G., On benchmarking functions for genetic algorithms, Int. J. Computer Math. (77), pp. 481-506, 2001.

Digalakis J., Margaritis K.G., An Experimental study of Benchmarking Functions for Evolutionary Algorithms, Int. J. Computer Math. (79), pp. 403-416, 2002.

Digalakis J., Margaritis K.G., A parallel cultural algorithm for the electrical generator scheduling problem, Mathematics and Computers in Simulation (60), pp. 293-301, 2002.

Michailidis P.D., Margaritis K.G., On-line Approximate String Searching Algorithms: Survey and Experimental Results, Int. J. Computer Math. (79), pp. 867-888, 2002.

Michailidis P.D., Margaritis K.G., Parallel Implementations for String Matching Problem on a Cluster of Distributed Workstations,  Neural, Parallel and Scientific Computations (10), pp.287-312, 2002.

Michailidis P.D., Margaritis K.G., Performance Evaluation of Load Balancing Strategies for Approximate String Matching Application on an MPI Cluster of Heterogeneous Workstations, Future Generation Computer Systems (19:7), pp. 1075-1104, 2003.

Digalakis J., Margaritis K.G., Performance comparison of memetic algorithms, Journal of Applied Mathematics and Computation, (158:1), pp. 237-252, 2004.

Pashaloudi V.,  Margaritis K.G. Isolated and Continuous Greek Sign Language Recognition with Hidden Markov Models, Neural, Parallel and Scientific Computations, (12), pp. 135-154, 2004.

Vozalis  M., Margaritis K.G, On the Combination of User-based and Item-based Collaborative Filtering, Int. J. Computer Math. (81), pp. 1077-1096, 2004.

Digalakis J., Margaritis K.G., Performance comparison of memetic algorithms, Complexity International (10), 2004.

Michailidis PD.,  Margaritis K.G., Parallel Flexible Text Searching Applications on a Heterogeneous Cluster Architecture, Int. J. of Computational Science and Engineering (1:1), pp. 45-59, 2005.

Michailidis P.D.,  Margaritis K.G., New Processor Array Architectures for the Longest Common Subsequence Problem, The Journal of Supercomputing (32:1), pp. 51-69, 2005.

Digalakis J., Margaritis K.G., Tsouros C.C.,  A Grid Cluster framework for memetic Algorithms, Neural, Parallel and Scientific Computations (14), pp.259-272, 2006.

Michailidis P.D., Typou T., Stefanidis V.K., Margaritis K.G., Performance Models for Matrix Computations on Networks of Heterogeneous Workstations, Neural, Parallel and Scientific Computations (14), pp.177-204, 2006.

Vozalis M.G., Margaritis K.G., On the Enhancement of Collaborative Filtering by Demographic Data, Web Intelligence and Agent Systems: An International Journal (4:2), pp. 117-138, 2006.

Vozalis M.G., Konstantinos G. Margaritis, Applying SVD on Generalized Item-based Filtering, International Journal of Computer Science and Applications (3:3), pp. 27-51, 2006.

Michailidis P.D., Margaritis K.G., A Programmable Array Processor Architecture for Flexible Approximate String Matching Algorithms, Journal of Parallel and Distributed Computing (67:2), pp. 131-141, 2007.

Kaskalis T., Tzidamis T., Margaritis K.G., Multimedia Authoring Tools: The Quest for and Educational Package, Journal of Educational Technology and Society (10:3), pp. 135-162, 2007.

Michailidis P.D., Margaritis K.G., Processor Array Architectures for Flexible Approximate String Matching, Journal of Systems Architecture, (54:1-2), pp. 35-54, 2007.

Vozalis M.G., Margaritis K.G., Using SVD and demographic data for the enhancement of generalized Collaborative Filtering, Information Sciences, (177:15), pp. 3017-3037, 2007.

Vozalis M.G.,  Margaritis K.G., Identifying the effects of SVD and demographic data use on generalized Collaborative Filtering, Int. J. Computer Math., (85:12), pp. 1741-1763, 2008.

Toutios A. Margaritis K.G, Estimating Electropalatographic Patterns from the Speech Signal,  Computer, Speech and Language, (22:4), pp. 346-359, 2008.

Vozalis M.G., Markos A.I., Margaritis K.G., An Optimal Scaling Framework for Collaborative Filtering Recommendation Systems, International Journal on Artificial Intelligence Tools, (21:6), pp. , 2012

Kouzinopoulos C.S., Margaritis K.G., Exact On-Line Two-Dimensional Pattern Matching using Multiple Pattern Matching Algorithms, ACM Journal of Experimental Algorithmics, (18:2) pp. 1-34 (4.2), 2013.

Kokkinos Y., Margaritis K.G., A Distributed Privacy Preserving Regularization Network committee machine of isolated Regularization Networks for Peer-to-Peer data mining, Artificial Intelligence Review, (42:3) pp. 385-402, 2014.

Kouzinopoulos C.S., Margaritis K.G., Multiple Pattern Matching: Survey and Experimental Results, Neural, Parallel and Scientific Computations (22), pp. 563-593, 2014.

Kouzinopoulos C.S., Assael J.M., Pyrgiotis T.K., Margaritis K.G., A Hybrid Parallel Implementation of the Aho–Corasick and Wu–Manber Algorithms Using NVIDIA CUDA and MPI Evaluated on a Biological Sequence Database, International Journal on Artificial Intelligence Tools 24 (1), pp. 1-32, 2015.

Kokkinos Y., Margaritis K.G., Topology and simulations of a hierarchical Markovian radial basis function neural network classifier, Information Sciences (294), pp. 612-627, 2015.

Kokkinos Y., Margaritis K.G., Confidence ratio affinity propagation in ensemble selection of neural network classifiers for distributed privacy-preserving data mining, Neurocomputing (150), pp. 513-528, 2015.

Kouzinopoulos C.S., Michailidis P.D., Margaritis K.G., Multiple String Matching on a GPU using CUDA, Scalable Computing: Practice and Experience (16:2), pp. 121-137, 2015.

Kokkinos Y., Margaritis K.G., Local learning regularization networks for localized regression, Neural Computing and Applications, pp 1-20, 2016.

Kouzinopoulos C.S., Michailidis P.D., Margaritis K.G., Parallel Two-Dimensional Pattern Matching Algorithms Based on GPU, Neural, Parallel and Scientific Computations , accepted for publication, 2017.

Conferences

Kaskalis T., Margaritis K.G., Evans D.J., Data interleaving and c-slow automata for linear re-usable systolic arrays, Proc. Int. Conf. on Digital Signal Processing, Cyprus, pp. 760-766, 1995.

Kaskalis T.H., Margaritis K.G., Evans D.J., Data interleaving and c-slow automata on re-usable systolic arrays for matrix operations, Proc. 5th Panhellenic Conference on Informatics, Athens, pp. 791-801, 1995.

Kaskalis T.H.., Margaritis K.G., Matrix polynomial computations on Reconfigurable systolic Torus, Proc. 3rd Int. Workshop in Signal Image Processing, IWSIP '96, Manchester, pp. 687-690, 1996.

Kaskalis T.H., Margaritis K.G., Systolic array prototyping using the Ptolemy environment, Proc. 3rd IEEE Int. Conf. on Electronics, Circuits and Systems, Rhodes, pp. 663-666, 1996.

Kaskalis T.H., Margaritis K.G., Evans D.J., Data interleaving and 2-slow automata for re-usable systolic arrays, Proc. 2nd Int. Conf on Massively Parallel Systems, MPCS '96, Ischia, pp. 293-299, 1996.

Tsinakos A., Margaritis K.G., MENTOR: Inetrnet search advisor and information retrieval system, Proc. World Conf. of Web Society, WEBNET '96, San Francisco, pp. 583-584, 1996.

Kaskalis T.H., Margaritis K.G., Using the reconfigurable systolic torus for general matrix iterative methods, Proc. HERMIS '96, 3rd Hellenic-European Conf. in Mathematics and Informatics, Athens,  pp. 596-603, 1997.

Tsadiras A., Margaritis K.G., Recursive Certainty Neurons and an experimental study of their dynamical behaviour, Proc. European Congress on Intelligent Techniques and Soft Computing (EUFIT '97) pp. 510-515, Aachen, 1997.

Tsinakos A.A., Margaritis K.G., On the use of librarians selection routines in Web search, Proc. World Conf. of Web Society, WebNet '97, Toronto, pp. 546-551, 1997.

Tsinakos A.A., Margaritis K.G., Search Advisor: training Internet users towards search sessions, Proc. North America Web Conference, N.A.Web '97, Fredericton, pp. 195-202, 1997.

Tsinakos A.A., Margaritis K.G., E-WISD, an ITS high-school classroom training, Proc. 8th Int. PEG Conference, Sozopol, pp. 105-110, 1997.

Tsadiras A.K., Margaritis K.G., Experimental study of dynamical behaviour of fuzzy cognitive maps for various transfer functions, Proc. 6th Panhellenic Conference on Informatics, Athens, pp. 238-248, 1997.

Kaskalis T.H., Margaritis K.G., inimum singular value estimation of bipolar matrices, Proc. HERCMA ’98, Hellenic-European Conf. on Computer Mathematics and its Applications, pp. 371-377, 1998.

Tsadiras A.K., Margaritis K.G, A new balance degree for fuzzy cognitive maps, Proc. European Symposium on Intelligent Techniques (ESIT'99), Crete, 1999.

Tsadiras A.K., Margaritis K.G., Comparing the inference capabilities of three fuzzy congitive map systems, Proc. 3rd IMACS International Multiconference on Circuits, Systems, Communications and Computers, (CSCC'99), pp. 133-137, Athens, 1999.

Tsinakos A.A. , Margaritis K.G., Student modelling review - what can be learned for distance education?, Proc. World Conf. of Web Society, WebNet ’99, Honolulu, pp. 1071-1076, 1999.

Digalakis J., Margaritis K.G., An experimental study of genetic algorithms using PGAPack, 7th Hellenic Conference on Informatics, Ioannina.,  pp 34-40, 1999.

Digalakis J., Margaritis K.G., An experimental study of benchmarking functions for genetic algorithms, Proc. IEEE Conference on Transactions, Systems Man and Cybernetics, Nashville-Tennessee, pp. 3810-3815, 2000.

Digalakis J., Margaritis K.G., A parallel memetic algorithm for solving optimization problems, Proc. 4th Meta-heuristics International Conference, 2001 Porto, pp. 121-125, 2001.

Digalakis J., Margaritis K.G., A Parallel memetic algorithm for the maintenance scheduling problem, 5th World Multiconference on Systemics, Cybernetics and Informatics (SCI 2001) and the 7th International Conference on Information Systems Analysis and Synthesis (ISAS 2001), 2001, Orlando-Florida, (VII), pp. 343-347, 2001.

Digalakis J., Margaritis K.G., A Parallel hybrid evolutionary algorithm for the electrical generator scheduling problem, Proc. 5th World Multiconference on Systemics, Cybernetics and Informatics and the 7th International Conference on Information Systems Analysis and Synthesis, Orlando-Florida, (XVI), pp. 397-402, 2001.

Michailidis, P.D., Margaritis K.G., String matching problem on a cluster of personal computers: experimental results, Proc. 15th International Conference Systems for Automation of Engineering and Research (SAER'2001), Sofia, pp. 71-75, 2001.

Michailidis P.D., Margaritis, K.G., String matching problem on a cluster of personal computers: performance modeling, Proc.15th International Conference Systems for Automation of Engineering and Research (SAER'2001), Sofia, pp 76-81, 2001.

Michailidis P.D., Margaritis K.G., Parallel Text Searching Application on a Heterogeneous Cluster of Workstations, Proc. 3rd International Conference on Parallel Processing Workshops (ICPPW'01), Valencia, Spain, pp. 169-175, 2001.

Tsinakos A.A., Margaritis K.G., See Yourself IMprove (SYIM) Implementing an educational environment for the provision of personalized distance education services and the formulation of student models, Proc. of the WebNet - World Conference of the Web Society, Orlando, Florida, 2001.

Digalakis J., Margaritis K.G., A parallel environment for Optimization Problems, First Cracow Grid Workshop, Cracow, Poland, November 5-7, 2001.

Michailidis P.D., Margaritis K.G., Implementation of the String Matching Problem on a Cluster of Workstations, in Proceedings of the 8th Panhellenic Conference on Informatics, Nicosia, Cyprus, Vol. 2, pp. 72-81, 2001.

Kaptan A.N., Margaritis K.G., Computer simulators for teaching concurrent programming,  Proc  5th Hellenic-European Conference on Computer Mathematics and its Applications (HERCMA 2001), Athens, pp.335-337, 2001.

Pashaloudi V.N, Margaritis K.G., On Greek sign language alphabet character recognition: using back-propagation neural networks, Proc HERCMA 2001, 5th Hellenic-European Conference on Computer Mathematics and its Applications, Athens, pp. 347-352, 2001.

Michailidis P.D.,  Margaritis K.G., Implementation of the Approximate String Matching Application on a Cluster of Heterogeneous Workstations, Proc. of the 2002 International Symposium on Parallel and Distributed Computing (ISPDC'2002), 2002, pp. 193-204, 2002.

Michailidis P.D., Margaritis K.G., A Processor Array for Approximate Limited Expression Matching, Proc. 1st Workshop on Application Specific Processors (WASP'2002), Istanbul, pp. 137-144, 2002.

Kaskalis T.H., Margaritis K.G., Minimum Time Step Count for the Transposition of Matrices on the Reconfigurable Mesh, Proc. 1st Workshop on Application Specific Processors (WASP'2002), Istanbul, 2002.

Pashaloudi V.N., Margaritis K.G., Hidden Markov Models for Greek Sign Language Recognition, Proc. 2nd WSEAS International Conference on Signal, Speech and Image Processing, Skiathos, Greece,  pp. 265-270, 2002.

Digalakis J., Cecilia A.A., Margaritis K.G., A parallel memetic environment for non-linear and other unconstrained optimisation problems, Proc. XI Congreso Latino-Iberoamericano de Investigation de Operaciones, Concepcion, Chile, pp. 60-65, 2002.

Digalakis J., Margaritis K.G., A parallel memetic library for optimization problems, 4th GRACM Congress on on Computational Mechanincs, Patras, pp. 60-68, 2002.

Pashaloudi V.N., Margaritis K.G., Hidden Markov Models for Sign Language Recognition: a Review, 2nd Hellenic Conference on Artificial Intelligence, Thessaloniki, vol. II, pp.343-354, 2002.

Toutios A., Margaritis K.G., Development of a Text-Dependent Speaker Identification System with the OGI Toolkit, 2nd Hellenic Conference on Artificial Intelligence, Thessaloniki, vol. II, pp. 525-530, 2002.

Pashaloudi V., Margaritis K.G., On Feature Extraction and Sign Recognition for Greek Sign Language, Proc. 7th IASTED Conference on Artificial Intelligence and Soft Computing (ASC 2003),  Banff, Alberta, Canada, 2003.

Pashaloudi V., Margaritis K.G., Feature Extraction and Sign Recognition for Greek Sign Language, Proc. 11th IEEE Mediterranean Conference on Control and Automation (MED 2003), Rhodes, 2003.

Pashaloudi V., Margaritis K.G., Towards an Assistive Tool for Greek Sign Language Communication, Proceedings 3rd IEEE International Conference on Advanced Learning Technologies (ICALT 2003), Athens, pp.125-129, 2003.

Michailidis P.D., Margaritis K.G., Flexible Approximate String Matching Application on a Heterogeneous Distributed Environment, Proc.International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'03), vol. 1, pp. 164-172, 2003.

Michailidis P.D., Margaritis K.G., Performance Analysis of Approximate String Searching Implementations for Heterogeneous Computing Platform, Proc. 2003 International Conference on Parallel Processing (ICPP'2003), pp. 173-180, 2003.

Michailidis P.D., Margaritis K.G., Bit-Level Processor Array Architecture for Flexible String Matching, Proc. 1st Balkan Conference in Informatics (BCI'2003), Thessaloniki,  pp. 517-526, 2003.

Vozalis M.G., Margaritis K.G., Recommender Systems: An Experimental Comparison of two Filtering Algorithms, Proc. the 9th Panhellenic Conference on Informatics (PCI 2003), Thessaloniki, Greece, 2003.

Vozalis E., Margaritis K.G., Analysis of Recommender Systems' Algorithms, in Proceedings of the 6th Hellenic European Conference on Computer Mathematics and its Applications (HERCMA'2003),  Athens, 2003.

Toutios A., Margaritis K.G., A Rough Guide to the Acoustic-to-Articulatory Inversion of Speech, In Proceedings of the 6th Hellenic European Conference on Computer Mathematics and its Applications (HERCMA'2003), Athens, 2003.

Pashaloudi  V., Margaritis K.G. A performance study of a recognition system for Greek Sign Language alphabet letters,  Proc. 9th International Conference "Speech and Computer" (SPECOM'2004),  2004.

Toutios A., Margaritis K.G, Estimating Tongue-Palate Contact Patterns from the Speech Signal,  Proc. 9th International Conference "Speech and Computer" (SPECOM'2004), September 2004.

T. Typou, V. Stefanidis, P.D. Michailidis and Margaritis K.G, Matrix-Vector Multiplication on a Cluster of Workstations,  Proc. 1st International Conference "From Scientific Computing to Computational Engineering" (IC-SCCE'2004), Athens, 2004.

T. Typou, V. Stefanidis, P.D. Michailidis and Margaritis K.G, Implementing Matrix Multiplication on an MPI Cluster of Workstations, Proc. 1st International Conference "From Scientific Computing to Computational Engineering" (IC-SCCE'2004), Athens, 2004.

Vozalis M.G., Margaritis K.G, Enhancing Collaborative Filtering with Demographic Data: The case of Item-based Filtering,  Proc. 4th International Conference of Intelligent Systems Design and Applications (ISDA'04), Budapest, 2004.

M. G. Vozalis and Margaritis K.G, Collaborative Filtering enhanced by Demographic Correlation,  Proc. AIAI Symposium on Professional Practice in AI, 18th World Computer Congress, pp. 393-402, Toulouse, France, 2004.

Vozalis M.G., Margaritis K.G, On the Combination of Collaborative and Item-based Filtering, presented at 3rd Hellenic Conference on Artificial Intelligence (SETN 04), Samos, Greece, 5-8 May 2004.

P.D. Michailidis and K.G. Margaritis, A Programmable Array Processor Architecture for Flexible Approximate String Matching Algorithms, Proc. 2005 International Conference on Parallel Processing Workshops (ICPP'2005), pp. 201-209, Oslo, 2005.

Paschaloudi V.N., Margaritis K.G., Recognizing Mixed Sentences of Signs and Finger-Spelled Words for Greek Sign Language, Proc. 10th International Conference on Speech and Computing (SPECOM'2005), Patras, 2005.

Toutios A., Margaritis K.G.: "Learning Articulation from Cepstral Coefficients, Proc. 10th International Conference "Speech and Computer" (SPECOM'2005), Patras, 2005.

M. G. Vozalis and K. G. Margaritis, Applying SVD on Item-based Filtering, Proc. International Workshop on Recommender Agents and Adaptive Web-based Systems (RAAWS'05), 5th IEEE International Conference of Intelligent Systems Design and Applications (ISDA05), pp. 464-469, Wroclaw, Poland, 2005.

Toutios A., Margaritis K.G., Mapping between the Speech Signal and Articulatory Trajectories , Proc. 7th Hellenic European Conference on Computer Mathematics and its Applications (HERCMA 2005), Athens, 2005.

Michailidis P.D., Margaritis K.G., Implementation of a Programmable Array Processor Architecture for Approximate String Matching Algorithms on FPGAs, Proc. 13th Reconfigurable Architectures Workshop (RAW 2006), 20th IEEE International Parallel & Distributed Processing Symposium, Rhodes, 2006.

Toutios A., Margaritis K.G., Learning Electropalatograms from Acoustics, Proc. IEEE International Conference on Accoustics, Speech, and Signal Processing (ICASSP 2006), Toulouse, France, 2006.

Paschaloudi V.N., Margaritis K.G., Listening to deaf: A Greek sign language translator, 2nd IEEE International Conference on Information & Communication Technologies: from Theory to Applications, (ICTTA'06), volume I, pp. 859-863, Damascus, Syria, 2006.

Toutios A., Margaritis K.G., Enhancing Acoustic-to-EPG Mapping with Lip Position Information, Proc. 8th Annual Conference of the International Speech Communication Association (Interspeech 2007), pp. 1374-1377, Antwerp, Belgium, 2007.

Vozalis M.G., Margaritis K.G., A Recommender System using Principal Component Analysis, Proc. 11th Panhellenic Conference on Informatix (PCI'07), volume I, pp. 271-283, Patras, Greece, 2007.

Michailidis P.D, Margaritis K.G., Generalized Performance Model for Flexible Approximate String Matching on a Distributed System,  Proc. 11th Panhellenic Conference on Informatix (PCI'07),  volume II, pp. 279-288, Patras, Greece, 2007.

Toutios A., Margaritis K.G., Contribution to Statistical Acoustic-to-EMA Mapping, Proc. 16Th European Signal Processing Conference (EUSIPCO'2008), Lausanne, Switzerland, 2008.

Kouzinopoulos C.S., Margaritis K.G., Improving the Efficiency of Exact Two Dimensional On-Line Pattern Matching Algorithms, 12th Proc. Panhellenic Conference on Informatics (PCI '08), pp. 232-236, Samos, 2008.

Kouzinopoulos C.S., Margaritis K.G, String Matching on a multicore GPU using CUDA, Proc. 13th Panhellenic Conference on Informatics (PCI '09), pp. 14-18, Corfu, 2009.

Vozalis M.G. , Markos A., Margaritis K.G., On the Performance of SVD-based Algorithms for Collaborative Filtering, Proc. 4th Balkan Conference in Informatics (BCI'2009), pp. 245-250, Thessaloniki,  2009.

Vozalis M.G., Markos A., Margaritis K.G., Evaluation of standard SVD-based techniques for Collaborative Filtering, Proc. 9th Hellenic European Research on Computer Mathematics and its Applications Conference (HERCMA 2009), Athens, Greece, 24-26 September 2009.

Kouzinopoulos C.S., Margaritis K.G., Algorithms for Multiple Keyword Matching: Survey and Experimental Results, IADIS Multi Conference on Computer Science and Information Systems (MCCSIS '10), Freiburg, 2010.

Kouzinopoulos C.S., Michailidis P.D., Margaritis K.G., Experimental Results On Multiple Pattern Matching Algorithms For Biological Sequences, Proc. International Conference on Bioinformatics Models, Methods and Algorithms (BIOINFORMATICS '11), Rome, pp. 274-277, 2011.

Kouzinopoulos C.S., Michailidis P.D. and K.G. Margaritis K.G., Performance Study of Parallel Hybrid Multiple Pattern Matching Algorithms for Biological Sequences, Proc. of International Conference on Bioinformatics Models, Methods and Algorithms (BIOINFORMATICS 2012), pp. 182-187, Vilamoura, Portugal, 2012.

Kokkinos Y., Margaritis K.G., A distributed asynchronous and privacy preserving neural network ensemble selection approach for peer-to-peer data mining, Proc. of the 5th Balkan Conference on Informatics (BCI'2012), pp. 46-51, Novi Sad, Serbia, 2012.

Kokkinos Y., Margaritis K.G., A Parallel Radial Basis Probabilistic Neural Network for Scalable Data Mining in Distributed Memory Machines, Proc. IEEE 24th International Conference on Tools with Artificial Intelligence (ICTAI), pp. 1094-1099, Athens, Greece, 2012.

Kokkinos Y., Margaritis K.G., Distributed privacy preserving P2P data mining via Probabilistic Neural Network Committee Machines, Proc. 4th Int. Conference on Information, Intelligence, Systems and Applications (IISA2013).

Kokkinos Y., Margaritis K.G., Parallel and local learning for fast Probabilistic Neural Networks in scalable data mining, Proc. 6th Balkan Conference in Informatics, (BCI 2013), pp. 47-52., 2013.

Kokkinos Y., Margaritis K.G., A Parallel and Hierarchical Markovian RBF Neural Network: preliminary performance evaluation, Proc. 14th Engineering Applications of Neural Networks Conference (EANN 2013), pp. 340-349, 2013.

Kokkinos Y., Margaritis K.G., A fast progressive local learning regression ensemble of generalized regression neural networks, Proc. of the 19th Panhellenic Conference on Informatics (PCI'2015), pp. 109-114, Greece, 2015.

Kokkinos Y., Margaritis K.G., Multithreaded local learning regularization neural networks for regression tasks, Proc. 16th Engineering Applications of Neural Networks Conference (EANN 2015), pp. 129-138, 2015.

Other Contributions

Kaskalis T.H., Margaritis K.G., Artificial neural network prototyping using the Ptolemy environment, Presented in 'Workshop on Neural Networks: from Biology to Harware implementations', Cagliari, 1996, poster presentation.

Tsinakos A.A.., Margaritis K.G., Distance education and entertainment: applications on the WWW, Presented in 8th Conf. Of Social Pediatrics: Children and Information Society, Thessaloniki, 1996.

Tsinakos A.A., Margaritis K.G., Student modelling review, Proc. C-LEMMAS: Roles of Communicative Interaction in Learning to Model in Mathematics and Science, Ajjacio Corsica, 1999.

Tsinakos A.A., Margaritis K.G., Employing Case Based Reasoning in Asynchronous distance education, Learning Technology Newsletter, IEEE Computer Society Learning Technology Task Force (LTTF), 2001(3:3), pp. 9-14.

Tsinakos A.A., Margaritis K.G., Results of employing Case Based Reasoning in SYIM, Learning Technology Newsletter, IEEE Computer Society Learning Technology Task Force (LTTF), 2001(4:3), pp. 41-46.

Kaptan A., Margaritis K.G., Executing Parallel and Distributed Algorithms with the the of MPWin V.2.0, Proc. Panhellenic Conference on Informatics and Education, Thessaloniki, 2000.

Tsadiras A.T., Margaritis K.G., Decision Making on Greek Educational Policy Using Fuzzy Congitive Maps, Proc. Hellenic Conference on Informatics and Education, Thessaloniki, 2000, pp.

Tsinakos A.A., Margaritis K.G., Eleftheriadis E., Uses of intelligent agents in education, Proc. 3rd Hellenic Conference on Informatics in Secondary Level Education, Athens, 2000, pp

Digalakis J., Margaritis K.G., A multipopulation memetic model for the maintenance scheduling problem, Proc HERCMA 2001, 5th Hellenic-European Conference on Computer Mathematics and its Applications, Athens, 2001.

Michailidis P.D, Margaritis K.G., Implementing string searching algorithms on a network of workstations using MPI, Proc. HERCMA 2001, 5th Hellenic-European Conference on Computer Mathematics and its Applications , 2001.

Kaskalis T.H, Dagdilelis V, Evangelidis G., Margaritis K.G., Evaluation of the educational capabilities of the Ptolemy general simulation environment, Proc. 1st Hellenic Conference on Open and Distance Education, Patras 2001.

Tsinakos A. A., Margaritis K.G., Teaching via See Yoursefl IMprove: a personalised distance education environment, Proc. 1st Panhellenic Conference on Open and Distance Education, Patras, Greece, 2001.

Digalakis J., Margaritis K.G., A parallel cultural algorithm for the electrical generator scheduling problem, Proc. 1st Hellenic Conference on Robotics, Factories and Industrial Automation (KTISIVIOS), Santorini, 2001.

Vozalis M., Giouvanakis T., Samara C., Nikolaou A., Tarabanis K., Margaritis K.G., “Intelligent Agents in Education: a review”, in Proceedings of the 5th National Conference on Mathematics and Informatics in Education , 2001.

Kaptan A.N., Margaritis K.G., An Environment for Teaching Parallel and Distributed Processing, 5th Hellenic Conference on Mathematics and Informatics in Education, 2001.

Digalakis J., Margaritis K.G., A parallel memetic Library for non-linear Optimization Problems, 3th meeting of European working group on Parallel Processing in Operations Research, France, 2002.

Pashaloudi V., Margaritis K.G., Comparison of Grammars used for Greek Sign Language Recognition, Proc. 12th Turkish Symposium on Artificial Intelligence and Neural Networks (TAINN 2003), Chanakkale, 2003.

Toutios A., Margaritis K.G., Acoustic-to-Articulatory Inversion of Speech: A Review, Proc. 12th Turkish Symposium on Artificial Intelligence and Neural Networks (TAINN 2003), Canakkale, 2003.

Digalakis J., Margaritis K.G., Parallel Evolutionary Algorithms using Message-Passing Interface,  Proc.  International Conference on Computer, Communication and Control Technologies, Orlando, 2003.

Michailidis P.D., Margaritis K.G., Parallel Architecturefor Flexible Approximate Text Searching, Proc. 7th WSEAS Int. Conf. On Cicuits, Systems, Communications and Computers (CSCC '03), Corfu, 2003. Also it is published in Recent Advances in Communications and Computer Science, pp. 384-391, WSEAS Press, 2003.

Κασκάλης Θ., Βαγιάνος Δ., Γρηγορόπουλος Ε., Μαργαρίτης Κ., "Εκπαιδευτικές Εφαρμογές Ελεύθερου Λογισμικού και Λογισμικού Ανοικτού Κώδικα", Δεκτή ως πλήρης εισήγηση στο 4ο Πανελλήνιο Συνέδριο με διεθνή συμμετοχή: "Οι Τεχνολογίες της Επικοινωνίας και της Πληροφορίας στην Εκπαίδευση" (ΕΤΠΕ 2004), Αθήνα, 29 Σεπτεμβρίου - 3 Οκτωβρίου 2004.

Καπτάν Ν. Αρετή, Μαργαρίτης Γ. Κωνσταντίνος. "Multi-Pascal για Windows: Ένα Προγραμματιστικό Περιβάλλον για την Διδασκαλία του Παράλληλου και Κατανεμημένου Προγραμματισμού", 3ο Πανελλήνιο Συνέδριο "Διδακτική της Πληροφορικής", Κόρινθος, 2005.

Digalakis Jason, Margaritis Konstantinos, Real Representation of Parallel Memetic Algorithms on Messages Passing Clusters, 5th International Conference on "Large-Scale Scientific Computation", 2005, Sofia, Bulgaria.

Stefanidis V., P.D. Michailidis P.D., K.G. Margaritis K.G., Parallelization of Matrix - Vector Multiplication on a Cluster Platform, Proc. of the 2nd International Conference of Applied Mathematics, Plovdiv, Bulgaria, pp. 258, 2005.

Toutios A., Konstantinos Margaritis K.G., Statistical Acoustic-to-Electropalatographic Mapping, Proc. 4th International EPG Symposium, Edinburgh, 2005.

Digalakis Jason, Margaritis Konstantinos, Parallel Memetic Algorithms for non-linear optimization problems, International Conference of Numerical Mathematics, Borovets, Bulgaria NM06, 2006.

Τζιδάµης, Θ., Κασκάλης, Θ., Μαργαρίτης, Κ., Ανάπτυξη εργαλείου συγγραφής εκπαιδευτικών πολυµεσικών εφαρµογών, Πρακτικά 5ου Πανελληνίου Συνεδρίου µε ∆ιεθνή Συµµετοχή, Οι Τεχνολογίες της Πληροφορίας και της Επικοινωνίας στην Εκπαίδευση, 139-146, 2006.

Τρίµµη, Φ., Γρηγορόπουλος, Ε., Κασκάλης, Θ. & Μαργαρίτης, Κ., ∆ικτυακή πύλη για το ελεύθερο λογισµικό και το λογισµικό ανοικτού κώδικα στην εκπαίδευση, Πρακτικά 5ου Πανελληνίου Συνεδρίου µε ∆ιεθνή Συµµετοχή, Οι Τεχνολογίες της Πληροφορίας και της Επικοινωνίας στην Εκπαίδευση, 227-234, 2006.

P.D. Michailidis, K.G. Margaritis, "Parallelization of multiple string matching on a cluster platform",  HERCMA '07, Athens, Greece, 2007.

Kokkinos Y., Margaritis, K.G.  “Large scale data mining models via parallel regularized Radial Basis Function Neural Networks”, Proc. of 10th Balkan Conference on Operational Research, (BALCOR 2011), Thessaloniki, Greece, 2011.