Julio Ortega Lopera

Administrative data

Full member researcher

  • Position in UGR: Professor
    Department where s/he teaches: Arquitectura y Tecnología de Computadores
    Research group: TIC-117

Contributions and research experience

Publications in ISI SCI

  • Parallel high-dimensional multi-objective feature selection for EEG classification with dynamic workload balancing on CPU-GPU architectures
    Author-s: Escobar, Juan Jose; Ortega, Julio; Gonzalez, Jesus; Damas, Miguel; Diaz, Antonio F.
    Source: CLUSTER COMPUTING-THE JOURNAL OF NETWORKS SOFTWARE TOOLS AND APPLICATIONS 20 3 1881 1897 2017
  • High-throughput multi-multicast transfers in data center networks
    Author-s: Palacios, Raul H.; Diaz, Antonio F.; Anguita, Mancia; Ortega, Julio; Rodriguez-Quintana, Cristina
    Source: JOURNAL OF SUPERCOMPUTING 73 1 152 163 2017
  • Evaluation of redundant data storage in clusters based on multi-multicast and local storage
    Author-s: Palacios, Raul H.; Rodriguez-Quintana, Cristina; Diaz, Antonio F.; Anguita, Mancia; Ortega, Julio
    Source: JOURNAL OF SUPERCOMPUTING 73 1 576 590 2017
  • Neural networks: An overview of early research, current frameworks and new challenges
    Author-s: Prieto, Alberto; Prieto, Beatriz; Martinez Ortigosa, Eva; Ros, Eduardo; Pelayo, Francisco; Ortega, Julio; Rojas, Ignacio
    Source: NEUROCOMPUTING 214 242 268 2016
  • PCA filtering and probabilistic SOM for network intrusion detection
    Author-s: De la Hoz, Eduardo; De La Hoz, Emiro; Ortiz, Andres; Ortega, Julio; Prieto, Beatriz
    Source: NEUROCOMPUTING 164 71 81 12th International Work-Conference on Artificial N JUN 12-14, 2013 Puerto de la Cruz, SPAIN 2015
  • Parallel alternatives for evolutionary multi-objective optimization in unsupervised feature selection
    Author-s: Kimovski, Dragi; Ortega, Julio; Ortiz, Andres; Banos, Raul
    Source: EXPERT SYSTEMS WITH APPLICATIONS 42 9 10 2015
  • Leveraging bandwidth improvements to web servers through enhanced network interfaces
    Author-s: Ortiz, Andres; Ortega, Julio; Diaz, Antonio F.; Anguita, Mancia
    Source: JOURNAL OF SUPERCOMPUTING 65 3 1020 1036 2013
  • A hybrid meta-heuristic for multi-objective vehicle routing problems with time windows
    Author-s: Banos, Raul; Ortega, Julio; Gil, Consolacion; Marquez, Antonio L.; de Toro, Francisco
    Source: COMPUTERS & INDUSTRIAL ENGINEERING 65 2 286 296 2013
  • Affinity-Based Network Interfaces for Efficient Communication on Multicore Architectures
    Author-s: Ortiz, Andres; Ortega, Julio; Diaz, Antonio F.; Prieto, Alberto
    Source: JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY 28 3 508 524 2013
  • A Simulated Annealing-based parallel multi-objective approach to vehicle routing problems with time windows
    Author-s: Banos, Raul; Ortega, Julio; Gil, Consolacion; Fernandez, Antonio; de Toro, Francisco
    Source: EXPERT SYSTEMS WITH APPLICATIONS 40 5 1696 1707 2013
  • Two-level Hash/Table approach for metadata management in distributed file systems
    Author-s: Diaz, Antonio F.; Anguita, Mancia; Camacho, Hugo E.; Nieto, Erik; Ortega, Julio
    Source: JOURNAL OF SUPERCOMPUTING 64 1 144 155 2013
  • Accelerating network applications by distributed interfaces on heterogeneous multiprocessor architectures
    Author-s: Cascon, Pablo; Ortiz, Andres; Ortega, Julio; Diaz, Antonio F.; Rojas, Ignacio
    Source: JOURNAL OF SUPERCOMPUTING 58 3 302 313 2nd Minisymposium on High Performance Computing (H JUN, 2010 Almeria, Almeria 2011
  • Comparison of parallel multi-objective approaches to protein structure prediction
    Author-s: Calvo, J. C.; Ortega, J.; Anguita, M.
    Source: JOURNAL OF SUPERCOMPUTING 58 2 253 260 Symposium on High Performance Computing (HPC) Appl JUN, 2009 Gijon, Gijon 2011
  • PITAGORAS-PSP: Including domain knowledge in a multi-objective approach for protein structure prediction
    Author-s: Calvo, J. C.; Ortega, J.; Anguita, M.
    Source: NEUROCOMPUTING 74 16 2675 2682 2011
  • Method for prediction of protein-protein interactions in yeast using genomics/proteomics information and feature selection
    Author-s: Urquiza, J. M.; Rojas, I.; Pomares, H.; Herrera, L. J.; Ortega, J.; Prieto, A.
    Source: NEUROCOMPUTING 74 16 2683 2690 2011
  • Improving IPS by network processors
    Author-s: Cascon, Pablo; Ortega, Julio; Luo, Yan; Murray, Eric; Diaz, Antonio; Rojas, Ignacio
    Source: JOURNAL OF SUPERCOMPUTING 57 1 99 108 2011
  • A single front genetic algorithm for parallel multi-objective optimization in dynamic environments
    Author-s: Camara, Mario; Ortega, Julio; de Toro, Francisco
    Source: NEUROCOMPUTING 72 16-18 3570 3579 2009
  • Protocol offload analysis by simulation
    Author-s: Ortiz, Andres; Ortega, Julio; Diaz, Antonio F.; Cascon, Pablo; Prieto, Alberto
    Source: JOURNAL OF SYSTEMS ARCHITECTURE 55 1 25 42 2009
  • A new hybrid methodology for cooperative-coevolutionary optimization of radial basis function networks
    Author-s: Rivera, A. J.; Rojas, I.; Ortega, J.; del Jesus, M. J.
    Source: SOFT COMPUTING 11 7 655 668 2007
  • Parallelization of population-based multi-objective meta-heuristics: An empirical study
    Author-s: Banos, R; Gil, C; Paechter, B; Ortega, J
    Source: APPLIED MATHEMATICAL MODELLING 30 7 578 592 2006
  • Evolutionary algorithms for multiobjective and multimodal optimization of diagnostic schemes
    Author-s: de Toro, F; Ros, E; Mota, S; Ortega, J
    Source: IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING 53 2 178 189 2006
  • A parallel multilevel metaheuristic for graph partitioning
    Author-s: Banos, R; Gil, C; Ortega, J; Montoya, FG
    Source: JOURNAL OF HEURISTICS 10 3 315 336 2004
  • Multiobjective evolutionary optimization of the size, shape, and position parameters of radial basis function networks for function approximation
    Author-s: Gonzalez, J; Rojas, I; Ortega, J; Pomares, H; Fernandez, J; Diaz, AF
    Source: IEEE TRANSACTIONS ON NEURAL NETWORKS 14 6 1478 1495 2003
  • Assessing the noise immunity and generalization of radial basis function networks
    Author-s: Bernier, JL; Diaz, AF; Fernandez, FJ; Canas, A; Gonzalez, J; Martin-Smith, P; Ortega, J
    Source: NEURAL PROCESSING LETTERS 18 1 35 48 2003
  • Time series analysis using normalized PG-RBF network with regression weights
    Author-s: Rojas, I; Pomares, H; Bernier, JL; Ortega, J; Pino, B; Pelayo, FJ; Prieto, A
    Source: NEUROCOMPUTING 42 267 285 2002
  • A new clustering technique for function approximation
    Author-s: Gonzalez, J; Rojas, I; Pomares, H; Ortega, J; Prieto, A
    Source: IEEE TRANSACTIONS ON NEURAL NETWORKS 13 1 132 142 2002
  • Improved RAN sequential prediction using orthogonal techniques
    Author-s: Salmeron, M; Ortega, J; Puntonet, CG; Prieto, A
    Source: NEUROCOMPUTING 41 153 172 2001
  • A quantitative study of fault tolerance, noise immunity, and generalization ability of MLPs
    Author-s: Bernier, JL; Ortega, J; Ros, E; Rojas, I; Prieto, A
    Source: NEURAL COMPUTATION 12 12 2941 2964 2000
  • Obtaining fault tolerant multilayer perceptrons using an explicit regularization
    Author-s: Bernier, JL; Ortega, J; Rojas, I; Ros, E; Prieto, A
    Source: NEURAL PROCESSING LETTERS 12 2 107 113 2000
  • A systematic approach to a self-generating fuzzy rule-table for function approximation
    Author-s: Pomares, H; Rojas, I; Ortega, J; Gonzalez, J; Prieto, A
    Source: IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART B-CYBERNETICS 30 3 431 447 2000
  • Improving the tolerance of multilayer perceptrons by minimizing the statistical sensitivity to weight deviations
    Author-s: Bernier, JL; Ortega, J; Rojas, I; Prieto, A
    Source: NEUROCOMPUTING 31 1-4 87 103 2000
  • Self-organized fuzzy system generation from training examples
    Author-s: Rojas, I; Pomares, H; Ortega, J; Prieto, A
    Source: IEEE TRANSACTIONS ON FUZZY SYSTEMS 8 1 23 36 2000
  • Statistical analysis of the main parameters in the fuzzy inference process
    Author-s: Rojas, I; Ortega, J; Pelayo, FJ; Prieto, A
    Source: FUZZY SETS AND SYSTEMS 102 2 157 173 1999
  • Nondeterministic AND-EXOR minimisation by using rewrite rules and simulated annealing
    Author-s: Parrilla, L; Ortega, J; Lloris, A
    Source: IEE PROCEEDINGS-COMPUTERS AND DIGITAL TECHNIQUES 146 1 1 8 1999
  • Annealing-based heuristics and genetic algorithms for circuit partitioning in parallel test generation
    Author-s: Gil, C; Ortega, J; Diaz, AF; Montoya, MDG
    Source: FUTURE GENERATION COMPUTER SYSTEMS 14 5-6 439 451 1998
  • Algebraic test-pattern generation based on the Reed-Muller spectrum
    Author-s: Gil, C; Ortega, J
    Source: IEE PROCEEDINGS-COMPUTERS AND DIGITAL TECHNIQUES 145 4 308 316 1998
  • SEPARATION OF SOURCES - A GEOMETRY-BASED PROCEDURE FOR RECONSTRUCTION OF N-VALUED SIGNALS
    Author-s: PUNTONET, CG; PRIETO, A; JUTTEN, C; RODRIGUEZALVAREZ, M; ORTEGA, J
    Source: SIGNAL PROCESSING 46 3 267 284 1995
  • GENERALIZED HOPFIELD NEURAL-NETWORK FOR CONCURRENT TESTING
    Author-s: ORTEGA, J; PRIETO, A; LLORIS, A; PELAYO, FJ
    Source: IEEE TRANSACTIONS ON COMPUTERS 42 8 898 912 1993
  • TEST-PATTERN GENERATION BASED ON REED-MULLER COEFFICIENTS
    Author-s: ORTEGA, J; RUIZ, AL; PRIETO, A; PELAYO, FJ
    Source: IEEE TRANSACTIONS ON COMPUTERS 42 8 968 980 1993
  • ANALOG CMOS IMPLEMENTATION OF A DISCRETE-TIME CNN WITH PROGRAMMABLE CLONING TEMPLATES
    Author-s: ANGUITA, M; PELAYO, FJ; PRIETO, A; ORTEGA, J
    Source: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING 40 3 215 219 1993
  • UNIVERSAL BUILT-IN SELF-TEST PROCEDURE FOR CMOS PLAS
    Author-s: ORTEGA, J; PRIETO, A; LLORIS, A; PELAYO, F
    Source: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS 38 8 941 945 1991
  • USING REED-MULLER COEFFICIENTS TO SYNTHESIZE OPTIMAL PREDICTION MODULES FOR CONCURRENT TESTING
    Author-s: ORTEGA, J; LLORIS, A; PRIETO, A; PELAYO, FJ
    Source: ELECTRONICS LETTERS 27 14 1243 1245 1991
  • THE FAST TAMARI TRANSFORM
    Author-s: LLORIS, A; ORTEGA, J; PRIETO, A
    Source: IEE PROCEEDINGS-E COMPUTERS AND DIGITAL TECHNIQUES 138 3 147 153 1991
  • CMOS CURRENT-MODE MULTIVALUED PLAS
    Author-s: PELAYO, FJ; PRIETO, A; LLORIS, A; ORTEGA, J
    Source: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS 38 4 434 441 1991
  • AN ANALYSIS OF MULTIOBJECTIVE EVOLUTIONARY ALGORITHMS FOR OPTIMIZATION PROBLEMS WITH TIME CONSTRAINTS
    Author-s: Camara, M.; de Toro, F.; Ortega, J.
    Source: APPLIED ARTIFICIAL INTELLIGENCE 27 9 851 879 2013
  • Network interfaces for programmable NICs and multicore platforms
    Author-s: Ortiz, Andres; Ortega, Julio; Diaz, Antonio F.; Prieto, Alberto
    Source: COMPUTER NETWORKS 54 3 357 376 2010
  • Parallel dynamic water supply scheduling in a cluster of computers
    Author-s: Damas, A; Salmeron, M; Ortega, J; Olivares, G; Pomares, H
    Source: CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE 13 15 1281 1302 2001
  • Parallel VLSI test in a shared-memory multiprocessor
    Author-s: Gil, C; Ortega, J; Montoya, MG
    Source: CONCURRENCY-PRACTICE AND EXPERIENCE 12 5 311 326 2000
  • USING SIMULATED ANNEALING IN THE MINIMIZATION OF AND-EXOR FUNCTIONS
    Author-s: PARRILLA, L; ORTEGA, J; LLORIS, A
    Source: ELECTRONICS LETTERS 30 22 1838 1839 1994
  • CURRENT-MODE ANALOG DEFUZZIFIER
    Author-s: PELAYO, FJ; ROJAS, I; ORTEGA, J; PRIETO, A
    Source: ELECTRONICS LETTERS 29 9 743 744 1993
  • Compact CMOS fuzzy controllers using the normalised product of adaptive membership functions
    Author-s: Rojas, I; Pelayo, FJ; Ortega, J; Prieto, A
    Source: ELECTRONICS LETTERS 33 3 221 223 1997
  • A Pareto-based memetic algorithm for optimization of looped water distribution systems
    Author-s: Banos, Raul; Gil, Consolacion; Reca, Juan; Ortega, Julio
    Source: ENGINEERING OPTIMIZATION 42 3 223 240 2010
  • PSFGA: Parallel processing and evolutionary computation for multiobjective optimisation
    Author-s: Negro, FD; Ortega, J; Ros, E; Mota, S; Paechter, B; Martin, JM
    Source: PARALLEL COMPUTING 30 5-6 721 739 2004
  • An accurate measure for multilayer perceptron tolerance to weight deviations
    Author-s: Bernier, JL; Ortega, J; Rodriguez, MM; Rojas, I; Prieto, A
    Source: NEURAL PROCESSING LETTERS 10 2 121 130 1999

Conferences in ISI CPCI-Science

  • Issues on GPU Parallel Implementation of Evolutionary High-Dimensional Multi-objective Feature Selection
    Author-s: Jose Escobar, Juan; Ortega, Julio; Gonzalez, Jesus; Damas, Miguel; Prieto, Beatriz
    Source: APPLICATIONS OF EVOLUTIONARY COMPUTATION, EVOAPPLICATIONS 2017, PT I 10199 773 788 20th European Conference on the Applications of Ev APR 19-21, 2017 Amsterdam, NETHERLANDS 2017
  • A Label-Aided Filter Method for Multi-objective Feature Selection in EEG Classification for BCI
    Author-s: Martin-Smith, Pedro; Ortega, Julio; Asensio-Cubero, Javier; Gan, John Q.; Ortiz, Andres
    Source: ADVANCES IN COMPUTATIONAL INTELLIGENCE, PT I (IWANN 2015) 9094 133 144 13th International Work-Conference on Artificial N JUN 10-12, 2015 Palma de Mallorca, SPAIN 2015
  • Approaching Dynamic Multi-Objective Optimization Problems by Using Parallel Evolutionary Algorithms
    Author-s: Camara, Mario; Ortega, Julio; de Toro, Francisco
    Source: ADVANCES IN MULTI-OBJECTIVE NATURE INSPIRED COMPUTING 272 63 86 2010
  • A Hybrid Scheme to Solve the Protein Structure Prediction Problem
    Author-s: Calvo, Jose C.; Ortega, Julio; Anguita, Mancia
    Source: ADVANCES IN BIOINFORMATICS 74 233 240 4th International Workshop on Practical Applicatio JUN 16-18, 2010 Guimaraes, Guimaraes 2010
  • Performance Analysis by HDL Simulation of Network Interface Design Alternatives
    Author-s: Haider, Waseem M.; Ortega, Julio; Francisco Diaz, Antonio
    Source: INTERNATIONAL MULTICONFERENCE OF ENGINEERS AND COMPUTER SCIENTISTS (IMECS 2010), VOLS I-III 410 419 International Multi-Conference of Engineers and Co MAR 17-19, 2010 Hong Kong, Hong Kong 2010
  • A Multi-threaded network interface using network processors
    Author-s: Cascon, Pablo; Ortega, Julio; Haider, Waseem M.; Diaz, Antonio F.; Rojas, Ignacio
    Source: PROCEEDINGS OF THE PARALLEL, DISTRIBUTED AND NETWORK-BASED PROCESSING 196 200 17th Euromicro International Conference on Paralle FEB 18-20, 2009 Bauhaus Univ Weimar, Bauhaus Univ Weimar, Bauhaus Univ Weimar 2009
  • Parallel Protein Structure Prediction by Multiobjective Optimization
    Author-s: Calvo, J. C.; Ortega, J.
    Source: PROCEEDINGS OF THE PARALLEL, DISTRIBUTED AND NETWORK-BASED PROCESSING 268 275 17th Euromicro International Conference on Paralle FEB 18-20, 2009 Bauhaus Univ Weimar, Bauhaus Univ Weimar, Bauhaus Univ Weimar 2009
  • Performance Measures for Dynamic Multi-Objective Optimization
    Author-s: Camara, Mario; Ortega, Julio; de Toro, Francisco
    Source: BIO-INSPIRED SYSTEMS: COMPUTATIONAL AND AMBIENT INTELLIGENCE, PT 1 5517 760 767 10th International Work-Conference on Artificial N JUN 10-12, 2009 Salamanca, Salamanca 2009
  • Method for Prediction of Protein-Protein Interactions in Yeast Using Genomics/Proteomics Information and Feature Selection
    Author-s: Urquiza, J. M.; Rojas, I.; Pomares, H.; Florido, J. P.; Rubio, G.; Herrera, L. J.; Calvo, J. C.; Ortega, J.
    Source: BIO-INSPIRED SYSTEMS: COMPUTATIONAL AND AMBIENT INTELLIGENCE, PT 1 5517 853 860 10th International Work-Conference on Artificial N JUN 10-12, 2009 Salamanca, Salamanca 2009
  • Protein Structure Prediction by Evolutionary Multi-objective Optimization: Search Space Reduction by Using Rotamers
    Author-s: Calvo, J. C.; Ortega, J.; Anguita, M.; Urquiza, J. M.; Florido, J. P.
    Source: BIO-INSPIRED SYSTEMS: COMPUTATIONAL AND AMBIENT INTELLIGENCE, PT 1 5517 861 868 10th International Work-Conference on Artificial N JUN 10-12, 2009 Salamanca, Salamanca 2009
  • The Parallel Single Front Genetic Algorithm (PSFGA) in dynamic multi-objective optimization
    Author-s: Camara, Mario; Ortega, Julio; de Toro, Francisco
    Source: Computational and Ambient Intelligence 4507 300 307 9th International Work-Conference on Artificial Ne JUN 20-22, 2007 San Sebastian, San Sebastian 2007
  • Application of ANOVA to a cooperative-coevolutionary optimization of RBFNs
    Author-s: Rivera, AJ; Rojas, I; Ortega, J
    Source: COMPUTATIONAL INTELLIGENCE AND BIOINSPIRED SYSTEMS, PROCEEDINGS 3512 297 305 8th International Work-Conference on Artificial Ne JUN 08-10, 2005 Barcelona, Barcelona 2005
  • Synthesis of hybrid CBL/CMOS cell using multiobjective evolutionary algorithms
    Author-s: de Toro, R; Jimenez, R; Sanchez, M; Ortega, J
    Source: INTEGRATED CIRCUIT AND SYSTEM DESIGN 3728 629 637 15th International Workshop on Power and Timing Mo SEP 21-23, 2005 Leuven, Leuven 2005
  • Optimising graph partitions using parallel evolution
    Author-s: Banos, R; Gil, C; Ortega, J; Montoya, FG
    Source: ARTIFICIAL EVOLUTION 2936 91 102 6th International Conference on Artificial Evoluti OCT 27-30, 2003 Univ Provence, Univ Provence, Univ Provence 2004
  • A genetic exploration of dynamic load balancing algorithms
    Author-s: Aldasht, M; Ortega, J; Puntonet, CG; Diaz, AF
    Source: CEC2004: PROCEEDINGS OF THE 2004 CONGRESS ON EVOLUTIONARY COMPUTATION, VOLS 1 AND 2 1158 1163 Congress on Evolutionary Computation (CEC 2004) JUN 19-23, 2004 Portland, Portland 2004
  • A new pareto-based algorithm for multi-objective graph partitioning
    Author-s: Banos, R; Gil, C; Montoya, MG; Ortega, J
    Source: COMPUTER AND INFORMATION SCIENCES - ISCIS 2004, PROCEEDINGS 3280 779 788 19th International Symposium on Computer and Infor OCT 27-29, 2004 Kemer Antalya, Kemer Antalya 2004
  • Performance of message-passing MATLAB toolboxes
    Author-s: Fernandez, J; Canas, A; Diaz, AF; Gonzalez, J; Ortega, J; Prieto, A
    Source: HIGH PERFORMANCE COMPUTING FOR COMPUTATIONAL SCIENCE - VECPAR 2002 2565 228 241 5th International Conference on High Performance C JUN 26-28, 2002 UNIV PORTO, UNIV PORTO, UNIV PORTO 2003
  • Multilevel heuristic algorithm for graph partitioning
    Author-s: Banos, R; Gil, C; Ortega, J; Montoya, FG
    Source: APPLICATIONS OF EVOLUTIONARY COMPUTING 2611 143 153 EvoWorkshops 2003 Conference APR 14-16, 2003 UNIV ESSEX, UNIV ESSEX, UNIV ESSEX 2003
  • Non-invasive atrial disease diagnosis using decision rules: A multi-objective optimization approach
    Author-s: de Toro, F; Ros, E; Mota, S; Ortega, J
    Source: EVOLUTIONARY MULTI-CRITERION OPTIMIZATION, PROCEEDINGS 2632 638 647 2nd International Conference on Evolutionary Multi APR 08-11, 2003 UNIV ALGARVE, UNIV ALGARVE, UNIV ALGARVE 2003
  • Paroxysmal Atrial Fibrillation Prediction application using genetic algorithms
    Author-s: Mota, S; Ros, E; de Toro, F; Ortega, J
    Source: COMPUTATIONAL SCIENCE - ICCS 2003, PT IV, PROCEEDINGS 2660 1011 1019 International Conference on Computational Science JUN 02-04, 2003 MELBOURNE, MELBOURNE 2003
  • Designing a phenotypic distance index for radial basis function neural networks
    Author-s: Gonzalez, J; Rojas, I; Pomares, H; Ortega, J
    Source: COMPUTATIONAL METHODS IN NEURAL MODELING, PT 1 2686 454 461 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • Co-evolutionary algorithm for RBF by self-organizing population of neurons
    Author-s: Rivera, AJ; Ortega, J; Rojas, I; del Jesus, MJ
    Source: COMPUTATIONAL METHODS IN NEURAL MODELING, PT 1 2686 470 477 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • Studying the convergence of the CFA algorithm
    Author-s: Gonzalez, J; Rojas, I; Pomares, H; Ortega, J
    Source: COMPUTATIONAL METHODS IN NEURAL MODELING, PT 1 2686 550 557 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • XMLP: a feed-forward neural network with two-dimensional layers and partial connectivity
    Author-s: Canas, A; Ortigosa, EM; Diaz, AF; Ortega, J
    Source: ARTIFICIAL NEURAL NETS PROBLEM SOLVING METHODS, PT II 2687 89 96 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • Genetic algorithm applied to paroxysmal atrial fibrillation prediction
    Author-s: Mota, S; Ros, E; de Toro, F; Ortega, J
    Source: ARTIFICIAL NEURAL NETS PROBLEM SOLVING METHODS, PT II 2687 345 352 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • Parallel computation of an adaptive optimal RBF network predictor
    Author-s: Salmeron, M; Ortega, J; Puntonet, CG; Damas, M
    Source: ARTIFICIAL NEURAL NETS PROBLEM SOLVING METHODS, PT II 2687 425 432 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • New method for filtered ICA signals applied to volatile time series
    Author-s: Gorriz, JM; Puntonet, CG; Salmeron, M; Ortega, J
    Source: ARTIFICIAL NEURAL NETS PROBLEM SOLVING METHODS, PT II 2687 433 440 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • Independent Component Analysis evolution based method for nonlinear speech processing
    Author-s: Rojas, F; Puntonet, CG; Rojas, I; Ortega, J
    Source: ARTIFICIAL NEURAL NETS PROBLEM SOLVING METHODS, PT II 2687 679 686 7th International Work Conference on Artificial an JUN 03-06, 2003 MENORCA, MENORCA 2003
  • FPGA implementation of multi-layer perceptrons for speech recognition
    Author-s: Ortigosa, EM; Ortigosa, PM; Canas, A; Ros, E; Agis, R; Ortega, J
    Source: FIELD-PROGRAMMABLE LOGIC AND APPLICATIONS, PROCEEDINGS 2778 1048 1052 13th International Conference on Field-Programmabl SEP 01-03, 2003 LISBON, LISBON 2003
  • Genetic Algorithm approach to nonlinear blind source separation
    Author-s: Rojas, F; Puntonet, CG; Rojas, I; Ortega, J; Prieto, A
    Source: CEC!02: PROCEEDINGS OF THE 2002 CONGRESS ON EVOLUTIONARY COMPUTATION, VOLS 1 AND 2 1098 1102 IEEE World Congress on Computational Intelligence MAY 12-17, 2002 HONOLULU, HONOLULU 2002
  • SSA, SVD, QR-cp, and RBF model reduction
    Author-s: Salmeron, M; Ortega, J; Puntonet, CG; Prieto, A; Rojas, I
    Source: ARTIFICIAL NEURAL NETWORKS - ICANN 2002 2415 589 594 12th International Conference on Artifical Neural AUG 28-30, 2002 MADRID, MADRID 2002
  • Multi-objective optimization evolutionary algorithms applied to paroxysmal atrial fibrillation diagnosis based on the k-nearest neighbours classifier
    Author-s: de Toro, F; Ros, E; Mota, S; Ortega, J
    Source: ADVANCES IN ARTIFICIAL INTELLIGENCE - IBERAMIA 2002, PROCEEDINGS 2527 313 318 8th Ibero-American Conference on Artifical Intelli NOV 12-15, 2002 SEVILLE, SEVILLE 2002
  • ANNs and GAs for predictive controlling of water supply networks
    Author-s: Damas, M; Salmeron, M; Ortega, J
    Source: IJCNN 2000: PROCEEDINGS OF THE IEEE-INNS-ENNS INTERNATIONAL JOINT CONFERENCE ON NEURAL NETWORKS, VOL 365 370 IEEE/INNS/ENNS International Joint Conference on N JUL 24-27, 2000 COMO, COMO 2000
  • A new radial basis function networks structure: Application to time series prediction.
    Author-s: Rojas, I; Pomares, H; Gonzalez, J; Ros, E; Salmeron, M; Ortega, J; Prieto, A
    Source: IJCNN 2000: PROCEEDINGS OF THE IEEE-INNS-ENNS INTERNATIONAL JOINT CONFERENCE ON NEURAL NETWORKS, VOL 449 454 IEEE/INNS/ENNS International Joint Conference on N JUL 24-27, 2000 COMO, COMO 2000
  • Genetic algorithms and neuro-dynamic programming: Application to water supply networks
    Author-s: Damas, M; Salmeron, M; Diaz, A; Ortega, J; Prieto, A; Olivares, G
    Source: PROCEEDINGS OF THE 2000 CONGRESS ON EVOLUTIONARY COMPUTATION, VOLS 1 AND 2 7 14 2000 Congress on Evolutionary Computation (CEC2000 JUL 16-19, 2000 LA JOLLA, LA JOLLA 2000
  • Adaptive cooperation between processors in a parallel Boltzmann machine implementation
    Author-s: Ortega, J; Parrilla, L; Bernier, JL; Gil, C; Pino, B; Anguita, M
    Source: ENGINEERING APPLICATIONS OF BIO-INSPIRED ARTIFICIAL NEURAL NETWORKS, VOL II 1607 208 218 5th International Work-Conference on Artificial an JUN 02-04, 1999 ALICANTE, ALICANTE 1999
  • An accurate measure for multilayer perceptron tolerance to additive weight deviations
    Author-s: Bernier, JL; Ortega, J; Rodriguez, MM; Rojas, I; Prieto, A
    Source: ENGINEERING APPLICATIONS OF BIO-INSPIRED ARTIFICIAL NEURAL NETWORKS, VOL II 1607 853 862 5th International Work-Conference on Artificial an JUN 02-04, 1999 ALICANTE, ALICANTE 1999
  • On-line optimization of radial basis function networks with orthogonal techniques
    Author-s: Salmeron, M; Ortega, J; Puntonet, CG
    Source: FOUNDATIONS AND TOOLS FOR NEURAL MODELING, PROCEEDINGS, VOL I 1606 467 477 5th International Work-Conference on Artificial an JUN 02-04, 1999 ALICANTE, ALICANTE 1999
  • Sequential learning algorithm for PG-RBF network using regression weights for time series prediction
    Author-s: Rojas, I; Pomares, H; Bernier, JL; Ortega, J; Ros, E; Prieto, A
    Source: FOUNDATIONS AND TOOLS FOR NEURAL MODELING, PROCEEDINGS, VOL I 1606 631 640 5th International Work-Conference on Artificial an JUN 02-04, 1999 ALICANTE, ALICANTE 1999
  • Meta-heuristics for circuit partitioning in parallel test generation
    Author-s: Gil, C; Ortega, J; Diaz, AF; Montoya, MG
    Source: PARALLEL AND DISTRIBUTED PROCESSING 1388 315 323 10 IPPS/SPDP 98 Workshops Held in Conjunction with MAR 30-APR 03, 1998 ORLANDO, ORLANDO 1998
  • Load balancing in parallel circuit testing with annealing-based and genetic algorithms
    Author-s: Gil, C; Ortega, J; Diaz, AF; Montoya, MG; Prieto, A
    Source: PARALLEL PROBLEM SOLVING FROM NATURE - PPSN V 1498 835 844 5th International Conference on Parallel Problem S SEP 27-30, 1998 AMSTERDAM, AMSTERDAM 1998
  • Parallel test pattern generation using circuit partitioning in a shared-memory multiprocessor
    Author-s: Gil, C; Ortega, J; Bernier, JL; Gil, MD
    Source: APPLIED PARALLEL COMPUTING 1541 167 171 4th International Workshop on Applied Parallel Com JUN 14-17, 1998 UMEA UNIV, UMEA UNIV, UMEA UNIV 1998
  • A modified backpropagation algorithm to tolerate weight errors
    Author-s: Bernier, JL; Ortega, J; Prieto, A
    Source: BIOLOGICAL AND ARTIFICIAL COMPUTATION: FROM NEUROSCIENCE TO TECHNOLOGY 1240 763 771 4th International Work-Conference on Artificial Ne JUN 04-06, 1997 LANZAROTE, LANZAROTE 1997
  • Modified Boltzmann machine for an efficient distributed implementation
    Author-s: Ortega, J; Parrilla, L; Prieto, A; Lloris, A; Puntonet, CG
    Source: BIOLOGICAL AND ARTIFICIAL COMPUTATION: FROM NEUROSCIENCE TO TECHNOLOGY 1240 1221 1232 4th International Work-Conference on Artificial Ne JUN 04-06, 1997 LANZAROTE, LANZAROTE 1997
  • Asynchronously parallel Boltzmann machines mapped onto distributed-memory multiprocessors
    Author-s: Benitez, JM; Ortega, J; Requena, I
    Source: FROM NATURAL TO ARTIFICIAL NEURAL COMPUTATION 930 744 751 International Workshop on Artificial Neural Networ JUN 07-09, 1995 MALAGA-TORREMOLINOS, MALAGA-TORREMOLINOS 1995
  • Test pattern generation for analog circuits using neural networks and evolutive algorithms
    Author-s: Bernier, JL; Merelo, JJ; Ortega, J; Prieto, A
    Source: FROM NATURAL TO ARTIFICIAL NEURAL COMPUTATION 930 838 844 International Workshop on Artificial Neural Networ JUN 07-09, 1995 MALAGA-TORREMOLINOS, MALAGA-TORREMOLINOS 1995
  • CMOS IMPLEMENTATION OF A CELLULAR NEURAL NETWORK WITH DYNAMICALLY ALTERABLE CLONING TEMPLATES
    Author-s: ANGUITA, M; PRIETO, A; PELAYO, FJ; ORTEGA, J; DIAZ, A
    Source: ARTIFICIAL NEURAL NETWORKS / 540 260 267 INTERNATIONAL WORKSHOP ON ARTIFICIAL NEURAL NETWOR SEP 17-19, 1991 GRANADA, GRANADA 1991
  • CMOS IMPLEMENTATION OF SYNAPSE MATRICES WITH PROGRAMMABLE ANALOG WEIGHTS
    Author-s: PELAYO, FJ; PINO, B; PRIETO, A; ORTEGA, J; FERNANDEZ, FJ
    Source: ARTIFICIAL NEURAL NETWORKS / 540 307 314 INTERNATIONAL WORKSHOP ON ARTIFICIAL NEURAL NETWOR SEP 17-19, 1991 GRANADA, GRANADA 1991
  • AN APPROACH TO ISOLATED WORD RECOGNITION USING MULTILAYER PERCEPTRONS
    Author-s: CANAS, A; ORTEGA, J; FERNANDEZ, FJ; PRIETO, A; PELAYO, FJ
    Source: ARTIFICIAL NEURAL NETWORKS / 540 340 347 INTERNATIONAL WORKSHOP ON ARTIFICIAL NEURAL NETWOR SEP 17-19, 1991 GRANADA, GRANADA 1991
  • OPTIMIZATION PROBLEMS ON CONCURRENT TESTING SOLVED BY NEURAL NETWORKS
    Author-s: ORTEGA, J; PRIETO, A; PELAYO, FJ; LLORIS, A; MARTINSMITH, P
    Source: ARTIFICIAL NEURAL NETWORKS / 540 385 394 INTERNATIONAL WORKSHOP ON ARTIFICIAL NEURAL NETWOR SEP 17-19, 1991 GRANADA, GRANADA 1991

Book chapters in ISI

  • A METHOD TO IMPROVE THE ACCURACY OF PROTEIN TORSION ANGLES
    Author-s: Calvo, J. C.; Ortega, J.; Anguita, M.; Taheri, J.; Zomaya, A.
    Source: BIOINFORMATICS 2011 297 300 International Conferene on Bioinformatics Models, JAN 26-29, 2011 Rome, Rome 2011
  • An efficient OS support for communication on Linux clusters
    Author-s: Diaz, AF; Ortega, J; Fernandez, FJ; Anguita, M; Canas, A; Prieto, A
    Source: INTERNATIONAL CONFERENCE ON PARALLEL PROCESSING WORKSHOPS, PROCEEDINGS 397 402 30th International Conference on Parallel Processi SEP 03-07, 2001 VALENCIA, VALENCIA 2001
  • CLIC: Fast communication on Linux clusters
    Author-s: Diaz, AF; Ferreira, J; Ortega, J; Canas, A; Prieto, A
    Source: CLUSTER 2000: IEEE INTERNATIONAL CONFERENCE ON CLUSTER COMPUTING, PROCEEDINGS 365 366 2nd Annual IEEE International Conference on Cluste NOV 28-DEC 01, 2000 CHEMNITZ, CHEMNITZ 2000
  • Design and evaluation of a reconfigurable digital architecture for self-organizing maps
    Author-s: Pino, B; Pelayo, FJ; Ortega, J; Prieto, A
    Source: PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON MICROELECTRONICS FOR NEURAL, FUZZY AND BIO-IN 395 402 7th International Conference on Microelectronics f APR 07-09, 1999 GRANADA, GRANADA 1999
  • New geometrical approach for blind separation of sources mapped to a neural network
    Author-s: Puntonet, CG; Prieto, A; Ortega, J
    Source: INTERNATIONAL WORKSHOP ON NEURAL NETWORKS FOR IDENTIFICATION, CONTROL, ROBOTICS, AND SIGNAL/IMAGE PR 174 182 International Workshop on Neural Networks for Iden AUG 21-23, 1996 VENICE, VENICE 1996

National Projects

  • OPTIMIZACION MULTI-OBJETIVO DE ALTAS PRESTACIONES Y ENERGETICAMENTE EFICIENTE EN ARQUITECTURAS DE COMPUTADOR HETEROGENEAS. APLICACIONES EN INGENIERIA BIOMEDICA
    Principal Investigator: Julio Ortega Lopera
    Reference: TIN2015-67020-P
    Start date: 2016-01-01
    End date: 2018-12-31
    Research Group: TIC-117
    Amount to UGR: 94864.00
    Funding Agency: Ministerio de Economía y Competitividad
    Program: Programa Estatal de Fomento de la Investigación Científica y Técnica de Excelencia. Subpograma Estatal de Generación de Conocimiento
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  • Optimización multiobjetivo de altas prestaciones y aplicaciones en neuroingeniería y técnicas para rehabilitación (hpMooN)
    Principal Investigator: Julio Ortega Lopera
    Reference: TIN2012-32039
    Start date: 2013-02-01
    End date: 2016-01-31
    Research Group: TIC-117
    Amount to UGR: 40903.00
    Funding Agency: Ministerio de Economía y Competitividad
    Program: Proyectos nacionales de investigación (MINECO)
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Research Contracts through OTRI

  • OTRI-2515
    Principal Investigator: Julio Ortega Lopera
    Start date: 2007-09-03
    End date: 2009-10-31
    Research Group: TIC-117
    Company: CATON

Doctoral Dissertations supervised

  • Portabilidad de Aplicaciones en Astrofísica a la Infraestructura de Computación Grid
    Author: José Ramón Rodón Ortiz
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2016-01-15
    Supervision: Juan Carlos Suárez Yanes, Julio Ortega Lopera
  • Sistemas de Detección de Intrusos con Mapas Autorganizativos Probabilísticos y Optimización Multiobjetivo
    Author: Emiro de la Hoz Franco
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2016-02-09
    Supervision: Andrés Ortiz García, Julio Ortega Lopera
  • Mapas Auto-organizativos probabilísticos y análisis en componentes de conexiones para la detección de anomalías en redes de computadores
    Author: Eduardo Miguel de la Hoz Correa
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2016-06-23
    Supervision: Andrés Ortiz García, Julio Ortega Lopera
  • Applying Real-Time Calculus and HDL Simulation for Network Interfaces Evaluation.
    Author: Godofredo Ramón Garay Álvarez
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2012-06-01
    Supervision: Julio Ortega Lopera, Antonio Francisco Díaz García, Luis Corrales Barrios
    Special mention: europea
  • Improving Communications By Using Network Processors
    Author: Pablo Guillermo Cascón Katchadourian
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2010-02-17
    Supervision: Julio Ortega Lopera, Antonio Javier Díaz Alonso
    Special mention: europea
  • Parallel processing for dynamic multi-objective optimization
    Author: Mario Cámara Sola
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2010-06-22
    Supervision: Julio Ortega Lopera, Francisco Jesús del Toro Negro
    Special mention: europea
  • Alternativas de Externalización para la Interfaz de Red. Análisis y Optimización Mediante Simulación de Sistema Completo. (Doctorado con **Mención Europea**)
    Author: Andrés Ortiz García
    Institution: Arquitectura y Tecnología de Computadores (UGR), Universidad de Málaga
    Dissertation date: 2008-11-11
    Supervision: Julio Ortega Lopera, Alberto Prieto Espinosa
    Special mention: europea
  • Aproximación Funcional Mediante Redes de Funciones de Base Radial, Una alternativa para la Predicción en el Proceso de Reducción de Mineral de la Tecnología Caron de Producción de Níquel
    Author: Francisco Fernández Periche
    Institution: Arquitectura y Tecnología de Computadores (UGR),
    Dissertation date: 2008-01-25
    Supervision: Julio Ortega Lopera, Ignacio Rojas Ruiz

Research visits

  • UNIVERSIDAD DE DORTMUND (DEPARTAMENTO DE ELECTRÓNICA)
    Visiting researcher: Ortega Lopera, Julio
    Research group: TIC-117
    Place: DORTMUND; ALEMANIA
    Start date: 1993-10-01
    End date: 1993-11-01
    Visiting category: POSTD
  • UNIVERSIDAD DE DORTMUND (DEPARTAMENTO DE ELECTRÓNICA)
    Visiting researcher: Ortega Lopera, Julio
    Research group: TIC-117
    Place: DORTMUND; ALEMANIA
    Start date: 1992-06-01
    End date: 1992-07-01
    Visiting category: POSTD
  • OPEN UNIVERSITY
    Visiting researcher: Ortega Lopera, Julio
    Research group: TIC-117
    Place: MILTON KEYNES; REINO UNIDO
    Start date: 1988-02-20
    End date: 1988-03-20
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