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Publications

2026 :

Joseline J. Sepúlveda-Araya, Valeria A. Orostiga Lazo, Armin Herrera, Cristian A. Martinez, Ricardo J. Barrientos.
"Ciencia de datos aplicada a prácticas de Gestión de Riesgo en sociedades chilenas que reportan a la Comisión de Mercados Financieros",
Journal of Globalization, Competitiveness and Governability, Georgetown University, 2026, Indexing: Scopus.

2025 :

Cristian A. Martínez; Diana M Hohl; María Gutiérrez; Sagnik Palmal; Pierre Faux; Kaustubh Adhikari; Rolando Gonzalez-Jose; Maria C Bortolini; Victor Acuña-Alonzo; Carla Gallo; Andres Ruiz Linares; Francisco Rothhammer; Cecilia I Catanesi; Ricardo J. Barrientos
"DNA-based prediction of eye color in Latin American population applying Machine Learning models",
Computers in Biology and Medicine, Elsevier, 2025, Indexing: WoS.
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J.A. Vélez, L.M. Pérez, A. E. Pizarro, L. Pedraja-Rejas, O.J. Suarez, R. Hernández-García, R.J. Barrientos, J. Bragardh, D. Laroze, R.M. Otxoa
"Characterization of quasi-periodic dynamics of a magnetic nanoparticle Communications in Nonlinear Science and Numerical Simulation",
Communications in Nonlinear Science and Numerical Simulation, Elsevier, 2025, Indexing: WoS.
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Sergio Baltierra, Magalí Nowik, Diana M. Hohl, Cristian A. Martínez, M. Florencia García di Marco, M. Gabriela García, Cecilia I. Catanesi, Ricardo J. Barrientos.
"RF y ELM aplicados a la predicción del color de cabello mediante ADN",
In 44th International Conference of the Chilean Computer Science Society (SCCC 2025), IEEE Xplore, Valparaíso, Chile, 2025, Indexing: Scopus.

2024 :

Edwin H. Salazar Jurado, Karina Vilches-Ponce, Ruber Hernández-García, Ricardo J. Barrientos.
"Palm vein modeling for generating synthetic images with biometric purposes: a geometrical approach",
Computational and Applied Mathematics, Springer, Volume 43, article number 108, 2024, Indexing: WoS.
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Elkin Gelvez-Almeida, Ricardo J. Barrientos, Karina Vilches-Ponce, Marco Mora.
"Parallel Ensemble of a Randomization-Based Online Sequential Neural Network for Classification Problems Using a Frequency Criterion",
Scientific Reports, DOI 10.1038/s41598-024-66676-9, 14(16104), 2024, Indexing: WoS.
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Oscar Valbuena Prada, Miguel Ángel Vera, Guillermo Ramirez, Ricardo Barrientos Rojel, David Mojica Maldonado.
"Statistical techniques for digital pre-processing of computed tomography medical images: A current review",
Displays, Elsevier, DOI 10.1016/j.displa.2024.102835, vol.85, 2024, Indexing:WoS.
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Elkin Gelvez-Almeida, Marco Mora, Ricardo J. Barrientos, Ruber Hernández-García, Karina Vilches-Ponce, Miguel A Vera.
"A Review on Large-Scale Data Processing with Parallel and Distributed Randomized Extreme Learning Machine Neural Networks",
Mathematical and Computational Applications, MDPI, DOI 10.3390/mca29030040, 29(3):40, 2024, Indexing: WoS.
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Martínez C, Hohl DM, González R, Nowik M, Catanesi CI, Barrientos RJ.
"Modelos de Machine Learning para la predicción del color de iris en la población de Buenos Aires (Argentina)",
XXIX Jornadas de Genética Forense GHEP-ISFG, International Society for Forensic Genetics, Salta, Argentina, June 2024.
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2023 :

Edwin H. Salazar Jurado, Ruber Hernández-García, Karina Vilches-Ponce, Ricardo J. Barrientos, Marco Mora, Gaurav Jaswal.
"Towards the generation of synthetic images of palm vein patterns: A review",
Information Fusion, Elsevier, 2023, Indexing: WoS.
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Elkin Gelvez-Almeida, Ricardo J. Barrientos, Karina Vilches-Ponce, Marco Mora.
"A Parallel Computing Method for the Computation of the Moore-Penrose Generalized Inverse for Shared-Memory Architectures",
IEEE Access, IEEE, Volume 11, 2023, DOI 10.1109/ACCESS.2023.3338544, Indexing: WoS.
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David Zabala-Blanco, Ruber Hernández-García, Ricardo J. Barrientos.
"SoftVein-WELM: A Weighted Extreme Learning Machine Model for Soft Biometrics on Palm Vein Images",
Electronics 12(7):3608, MDPI, 2023, Indexing: WoS.
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Ruber Hernández-García, Edwin H. Salazar-Jurado, Ricardo J. Barrientos, Francisco Manuel Castro, Julián Ramos-Cózar, Nicolás Guil.
"From synthetic data to real palm vein identification: a fine-tuning approach",
13th International Conference on Pattern Recognition Systems (ICPRS 2023), IEEE, 2023, Indexing: Scopus.
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Edwin H. Salazar-Jurado, Ruber Hernández-García, Karina Vilches Ponce, Ricardo J. Barrientos.
"Mathematical palm vein modeling for large-scale biometric recognition",
13th International Conference on Pattern Recognition Systems (ICPRS 2023), IEEE, 2023, Indexing: Scopus.
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Felipe A. Romero, Ruber Hernández-García, Ricardo J. Barrientos.
"Computer Mouse Control Using Iris Tracking: An Accessible and Cost-Effective Approach for People With Mobility Disabilities",
In 42th International Conference of the Chilean Computer Science Society (SCCC 2023), IEEE Xplore, Concepción, Chile, October 2023, Indexing: Scopus.
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Ricardo J. Barrientos, Ruber Hernández-García, Marco Mora, Javier Riquleme Pizarro, David Laroze.
"Accelerated Biometric Fingerprint Search on a multi-GPU environment",
In Chilean Conference on Electrical Electronic Engineering, Informatics and Communications Technology (CHILECON 2023), IEEE, Valdivia, Chile, December 2023, Indexing: Scopus.
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Agustín Mascaró-Muñoz, David Zabala-Blanco, Ruber Hernández-García, Roberto Ahumada-García, Ricardo J. Barrientos.
"Multi-task Extreme Learning Machine for Palm Vein Multiclassification",
In Chilean Conference on Electrical Electronic Engineering, Informatics and Communications Technology (CHILECON 2023), IEEE, Valdivia, Chile, December 2023, Indexing: Scopus.
[pdf]

Elkin Gelvez-Almeida, Ricardo J. Barrientos, Karina Vilches-Ponce, Marco Mora.
"Parallel model of online sequential extreme learning machines for classification problems with large-scale databases",
XI Jornadas de Cloud Computing, Big Data & Emerging Topics (JCC-BD&ET 2023), 2023.
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Neftalí Guzmán, Benjamín González , Ricardo J. Barrientos , Ruber Hernández-García, Felipe Garrido, Francisco Quiñones, Andrés San Martín, Mauricio Sáez, Pablo Letelier.
"Desarrollo de una herramienta de inteligencia artificial basada en morfología sanguínea para establecer riesgo de covid-19 severo en pacientes chilenos",
XXIII Congreso Chileno de Hematología y XIII Congreso de Medicina Transfusional, Coquimbo, Chile, 2023.
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2022 :

Patente "Dispositivo móvil de Identificación de Personas mediante Huella Digital".
Inventores: Ricardo J. Barrientos, Ruber Hernández-García, Marco Mora Cofré, Wladimir Soto-Silva, Daniel Peralta Camara.
Nro. Registro: 65.809, INAPI.
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Ricardo J. Barrientos, Javier A. Riquelme, Ruber Hernández-García, Cristóbal A. Navarro, Wladimir Soto-Silva.
"Fast kNN query processing over a multi-node GPU environment",
The Journal of Supercomputing, Springer, DOI 10.1007/s11227-021-03975-2, 2022, Indexing: WoS.
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R. Hernández-García, Z. Feng, R.J. Barrientos, F.M. Castro, J. Ramos-Cózar, Nicolás Guil.
"CNN-based Model for Gender and Age Classification based on Palm Vein Images",
12th International Conference on Pattern Recognition Systems (ICPRS 2022), IEEE, 2022, Indexing: Scopus.
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Roberto Ahumada-García, David Zabala-Blanco, Ismael Soto, Xaviera A. López-Cortés and Ricardo J. Barrientos.
"Classification of Diseased and Healthy Apple Leaves through Extreme Learning Machines",
IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA 2022), IEEE, 2022, Indexing: Scopus.
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David Zabala-Blanco, Ruber Hernández-García, Ricardo J. Barrientos, Roberto Ahumada-García.
"PVEIN-MLELM: a Novel Palm Vein Identification Approach through Multilayer Extreme Learning Machine",
IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA 2022), IEEE, 2022, Indexing: Scopus.
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Sebastián Guidet, Axel Quinteros, Ruber Hernández-García, Fernando Emmanuel Frati, Ricardo J. Barrientos.
"A comparative analysis of massive finger-vein recognition algorithms: from energy consumption perspective",
In 41th International Conference of the Chilean Computer Science Society (SCCC 2022), IEEE Xplore, Santiago, Chile, November 2022, Indexing: Scopus.
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Elkin Gelvez-Almeida, Ricardo J. Barrientos, Karina Vilches-Ponce and Marco Mora.
"Parallel Training of a Set of Online Sequential Extreme Learning Machines",
In 41th International Conference of the Chilean Computer Science Society (SCCC 2022), IEEE Xplore, Santiago, Chile, November 2022, Indexing: Scopus.
[pdf]

Ricardo J. Barrientos, Fabián Silva-Pavez, Ruber Hernández-García, Marco Mora.
"Using Heaps on GPU",
In 41th International Conference of the Chilean Computer Science Society (SCCC 2022), IEEE Xplore, Santiago, Chile, November 2022, Indexing: Scopus.
[pdf]

S. Guidet, R. Hernández-García, F.E. Frati, R.J. Barrientos.
"Comparative analysis of exhaustive searching on a massive finger-vein database over multi-node/multi-core and multi-GPU platforms",
X Jornadas de Cloud Computing, Big Data & Emerging Topics (JCC-BD&ET 2023), La Plata, 2022.
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2021 :

Cristóbal A. Navarro, Roberto Carrasco, Ricardo J. Barrientos, Javier A. Riquelme, Raimundo Vega.
"GPU Tensor Cores for fast Arithmetic Reductions",
IEEE Transanctions on Paralell and Distributed Systems, IEEE, volume 32, number 1, pages 72-84, DOI 10.3390/app10103443, 2021, Indexing: WoS.
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Jean Bragard, Javier A. Vélez, Javier A. Riquelme, Laura M. Perez, Ruber Hernández-García, Ricardo J. Barrientos, David Laroze.
"Study of type-III intermittency in the Landau-Lifshitz-Gilbert",
Physica Scripta, IOP, Volume 96, Number 12, 2021, Indexing: WoS.
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Edwin Salazar, Ruber Hernández-García, Ricardo J. Barrientos, Karina Vilches, Marco Mora, Angel Vásquez.
"Generating Style-based Palm Vein Synthetic Images for the Creation of Large-Scale Datasets",
In 11th International Conference of Pattern Recognition Systems (ICPRS 2021), IEEE Xplore, Curicó, Chile, March 2021, Indexing: Scopus.
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Edwin Salazar, Ruber Hernández-García, Ricardo J. Barrientos, Karina Vilches, Marco Mora, Angel Vásquez.
"Automatic Generation of Synthetic Palm Vein Images: a Nature-based Approach",
In 11th International Conference of Pattern Recognition Systems (ICPRS 2021), IEEE Xplore, Curicó, Chile, March 2021, Indexing: Scopus.
[pdf]

David Zabala-Blanco, Ruber Hernández-García, Ricardo J. Barrientos, Marco Mora.
"Evaluation of the standard and regularized ELMs for gender and age classification based on palm vein images",
In 40th International Conference of the Chilean Computer Science Society (SCCC 2021), IEEE Xplore, La Serena, Chile, November 2021, Indexing: Scopus.
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José I. Santamaría, Ruber Hernández-García, Ricardo J. Barrientos, Francisco Manuel Castro, Julián Ramos-Cózar, Nicolás Guil.
"Evaluation of end-to-end CNN models for palm vein recognition",
In 40th International Conference of the Chilean Computer Science Society (SCCC 2021), IEEE Xplore, La Serena, Chile, November 2021, Indexing: Scopus.
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Ruber Hernández-García; José I. Santamaría, Ricardo J. Barrientos, Edwin H. Salazar Jurado, Francisco Manuel Castro, Julián Ramos-Cózar, Nicolás Guil.
"Large-scale palm vein recognition on synthetic datasets",
In 40th International Conference of the Chilean Computer Science Society (SCCC 2021), IEEE Xplore, La Serena, Chile, November 2021, Indexing: Scopus.
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2020 :

David Zabala-Blanco, Marco Mora, Ricardo J. Barrientos, Ruber Hernández-García, José Naranjo-Torres.
"Fingerprint Classification through Standard and Weighted Extreme Learning Machines",
Applied Sciences, MDPI, volume 10, number 12, DOI 10.3390/app10124125, 2020, Indexing: WoS.
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José Naranjo-Torres, Marco Mora, Ruber Hernández-García, Ricardo J. Barrientos, Claudio Fredes, Andres Valenzuela.
"A Review of Convolutional Neural Network Applied to Fruit Image Processing",
Applied Sciences, MDPI, volume 10, number 10, DOI 10.3390/app10103443, 2020, Indexing: WoS.
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Javier A. Riquelme, Ricardo J. Barrientos, Ruber Hernández-García, Cristóbal A. Navarro.
"An exhaustive algorithm based on GPU to process a kNN query",
In 39th International Conference of the Chilean Computer Science Society (SCCC 2020), IEEE, November 2020, Indexing: Scopus.
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David Zabala-Blanco, Marco Mora, Ruber Hernández-García, Ricardo J. Barrientos.
"The Extreme Learning Machine Algorithm for Classifying Fingerprints",
In 39th International Conference of the Chilean Computer Science Society (SCCC 2020), IEEE, November 2020, Indexing: Scopus.
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Sebastián Guidet, Ricardo J. Barrientos, Ruber Hernández-García, Fernando Enmanuel Frati.
"Exhaustive similarity search on a many-core architecture for finger-vein massive identification",
In Journal of Physics: Conference Series, Volume 1702, VII International Conference Days of Applied Mathematics, San José de Cúcuta, Colombia 2020, Indexing: Scopus.
[pdf]

Elkin Gelvez-Almeida, Yvan Baldera-Moreno, Yoleidy Hurfano, Miguel Vera, Marco Mora, Ricardo J. Barrientos.
"Parallel methods for linear systems solution in extreme learning machines: an overview",
In Journal of Physics: Conference Series, Volume 1702, VII International Conference Days of Applied Mathematics, San José de Cúcuta, Colombia 2020, Indexing: Scopus.
[pdf]

Angel Vásquez, Marco Mora, Verónica Aubin, Edwin Salazar, Ricardo J. Barrientos, Ruber Hernández-García, Karina Vilches.
"Writer verification based on simple graphemes and extreme learning machine approaches",
In Journal of Physics: Conference Series, Volume 1671, III Workshop on Modeling and Simulation for Science and Engineering (III WMSSE), Armenia, Colombia 2020, Indexing: Scopus.
[pdf]

2019 :

Ruber Hernández-García, Ricardo J. Barrientos, Cristofher Rojas, Marco Mora.
"Individuals Identification based on Palm Vein Matching under a Parallel Environment",
Applied Sciences, MDPI, volume 9, number 14, DOI 10.3390/app9142805, 2019, Indexing: WoS.
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Ruber Hernández-García, Ricardo J. Barrientos, Cristofher Rojas, Wladimir E. Soto-Silva, Marco Mora, Paulo Gonzalez, Fernando Emmanuel Frati.
"Fast Finger Vein Recognition Based on Sparse Matching Algorithm under a Multicore Platform for Real-Time Individuals Identification",
Symmetry, MDPI, volume 11, number 9, DOI 10.3390/sym11091167, 2019, Indexing: WoS.
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Roberto Ahumada-García, Jorge Gozález-Puelma, Diego Alvarez-Saravia, Ricardo J. Barrientos, Roberto Uribe-Paredes, Xaviera A. López-Cortés, Marcelo A. Navarrete.
"Identification of Immunoglobulin Gene Usage in Immune Repertoires Sequenced by Nanopore Technology",
In 7th International Work-Conference on Bioinformatics and Biomedical Engineering (IWBBIO 2019), Springer, LNCS volume 11465, LNBI volume 11465. Granada, Spain, 2019. Indexing: Scopus.
[pdf]

Ricardo J. Barrientos, Ruber Hernández-García, Kevin Ortega, Emilio Luque, Daniel Peralta.
"Heap-based Algorithms to Accelerate Fingerprint Matching on Parallel Platforms",
In 7th International Conference on Cloud Computnig & Big Data (JCC&BD 2019), Springer. La Plata, Argentina, 2019. Indexing: Scopus.
[pdf]

Philip Iglesias, Ruber Hernández-García, Ricardo J. Barrientos, Emmanuel Goncalves, Marco Mora.
"Iris recognition based on displacement information using a sparse matching technique",
In 38th International Conference of the Chilean Computer Science Society (SCCC 2019), Concepción, Chile, November, 2019. Indexing: Scopus.
[pdf]

Hernán Campos, Ruber Hernández-García, Ricardo J. Barrientos.
"Evaluation of LBP-based descriptors for Iris Recognition based on Learning Vector Quantization Classifier under a Multi-core Platform",
In 38th International Conference of the Chilean Computer Science Society (SCCC 2019), Concepción, Chile, November, 2019. Indexing: Scopus.
[pdf]

Ruber Hernández-García, Sebastián Guidet, Ricardo J. Barrientos, Fernando Emmanuel Frati.
"Massive Finger-vein Identification based on Local Line Binary Pattern under Parallel and Distributed Systems",
In 38th International Conference of the Chilean Computer Science Society (SCCC 2019), Concepción, Chile, November, 2019. Indexing: Scopus.
[pdf]

2018 :

Cristofher Rojas, Ruber Hernández-García, Ricardo J. Barrientos.
"Individuals Identification Using Finger Veins under a Multi-core Platform",
In 37th International Conference of the Chilean Computer Science Society (SCCC 2018), Nov. 2018. Indexing: Scopus.
[pdf] [bibtex]

P. Gonzalez, F. Vasquez, B. Alcaino, R.J. Barrientos, M. Mora, F. Tirado.
"Heuristic Parametrization of Anisotropic Diffusion Filtering",
In 37th International Conference of the Chilean Computer Science Society (SCCC 2018), Nov. 2018. Indexing: Scopus.
[pdf] [bibtex]

P. Gonzalez, B. Alcaino, R.J. Barrientos, M. Mora, F. Tirado, C. Tauber.
"Dynamic PET Image Denoising",
In 9th International Conference on Pattern Recognition Systems (ICPRS 2018), IET Digital Library, May 2018. Indexing: Scopus.
[pdf] [bibtex]

2017 :

Felipe Tirado, Ricardo J. Barrientos, Paulo Gonzalez, Marco Mora.
"Efficient exploitation of the Xeon Phi architecture for the Ant Colony Optimization (ACO) metaheuristic",
Journal of Supercomputing, Springer, 73(11):5053–5070, DOI 10.1007/s11227-017-2124-5. Indexing: WoS.
[pdf] [bibtex]

Ricardo J. Barrientos, Fabricio Millaguir, José L. Sánchez, Enrique Arias.
"GPU-based exhaustive algorithms processing kNN queries",
Journal of Supercomputing, Springer 73(10):4611-4634, DOI 10.1007/s11227-017-2110-y. Indexing: WoS.
[pdf] [bibtex] [Algorihtms Source Codes]

2016 :

Carlos M. Toledo, Ricardo J. Barrientos, Andrés Ávila.
"Similarity (range and kNN) queries processing on an Intel Xeon Phi coprocessor",
Cluster Computing, Springer 19(1):57-71, DOI 10.1007/s10586-015-0515-z. Indexing: WoS.
[pdf] [bibtex]

2015 :

F. Tirado, R.J. Barrientos, A. Ávila.
"Solution for ACO using an Intel Xeon Phi coprocessor",
2nd Conference on Business Analytics in Finance and Industry (BAFI 2015). Santiago, Chile, December 2015.
[bibtex]

F. Tirado, R. Barrientos, A. Urrutia.
"Using a coprocessor to solve the Ant Colony Optimization algorithm",
XXXIV International Conference of the Chilean Computer Science Society (SCCC 2015). IEEE CPS. November, 2015. Indexing: Scopus.
[pdf] [bibtex]

F. Tirado, R.J. Barrientos, A. Urrutia, A. Ávila.
"Solución del Algortimo ACO (Ant Colony Optimization) mediante un coprocesador Intel Xeon Phi" (Poster),
XI Workshop of Copec-UC Fundation, November 2015.

2014 :

F. Millaguir, R.J. Barrientos. In Spanish.
"Resolviendo consultas kNN mediante algoritmos exhaustivos en GPU",
XXVI Encuentro Chileno de Computación (ECC 2014), Jornadas Chilenas de Computación. Talca, Chile, November 2014.
[pdf] [bibtex]

C. Toledo, R.J. Barrientos. In Spanish.
"Búsqueda exhaustiva utilizando el coprocesador Intel Xeon Phi",
XXVI Encuentro Chileno de Computación (ECC 2014), Jornadas Chilenas de Computación. Talca, Chile, November 2014.
[pdf] [bibtex]

2013 :

R.J. Barrientos, J.I. Gómez, C. Tenllado, M. Prieto, M. Marin
"Range query processing on single and multi GPU environments",
Computers and Electrical Engineering, 39(8):2656-2668 (2013). DOI http://dx.doi.org/10.1016/j.compeleceng.2013.05.012. Indexing: WoS.
[pdf] [bibtex]

R.J. Barrientos, J.I. Gómez, C. Tenllado, M. Prieto, P. Zezula
"Multi-level clustering on metric spaces using a multi-GPU platform",
In 19th International European Conference on Parallel and Distributed Computing (Euro-Par 2013). LNCS, vol. 8097, pp.216-228. Springer, Aachen, Germany (2013). DOI 10.1007/978-3-642-40047-6_24, Indexing: Scopus.
[pdf] [bibtex]

R.J. Barrientos
"Pipeline strategies to accelerate range query processing on a multi-GPU environment",
XXV Encuentro Chileno de Computación (ECC 2013), Jornadas Chilenas de Computación. Temuco, Chile, November 2013.
[pdf] [bibtex]

Ricardo J. Barrientos
"Similarity search in metric spaces on parallel multi-core and multi-GPU platforms",
PhD thesis, Dept. of Architecture of Computers and Automatic, Complutense University of Madrid, 2013.
Advisors: José I. Gómez, Manuel Prieto
[pdf] [bibtex]

2012 :

R.J. Barrientos, J.I. Gómez, C. Tenllado, M. Prieto, M. Marin
"Range query processing in a multi-GPU environment",
In 10th IEEE International Symposium on Parallel and Distributed Processing with Applications (ISPA 2012). IEEE. Madrid, Spain, July 2012, Indexing: Scopus.
[pdf] [bibtex]

Ricardo J. Barrientos,
"Similarity search in metric spaces on multi-core platforms (CPU and GPU)". In Spanish.
XXXVIII Latin American Conference on Informatics (CLEI 2012), Medellín, Colombia, Oct. 2012.
Second prize at XX CLEI Contest of Latin American Computer Science MSc. Theses.
[pdf] [bibtex]

2011 :

R.J. Barrientos, J.I. Gómez, C. Tenllado, M. Prieto, M. Marin,
"kNN Query Processing in Metric Spaces using GPUs",
In 17th International European Conference on Parallel and Distributed Computing (Euro-Par 2011), pp. 380--392. Springer, LNCS, vol. 6852. Bordeaux, France, Sept. 2011, Indexing: Scopus.
[pdf] [bibtex]

R.J. Barrientos, J.I. Gómez, C. Tenllado, M. Prieto,
"Query Processing in Metric Spaces using GPUs",
XXII Jornadas de Paralelismo, Tenerife, Spain, Sept. 2011.
[pdf] [bibtex]

Ricardo J. Barrientos,
"kNN query processing in metric spaces using GPUs". In Spanish.
MSc. thesis, Dept. of Architecture of Computers and Automatic, Complutense University of Madrid, 2011.
Advisors: José I. Gómez, Christian Tenllado
[pdf] [bibtex]

Ricardo J. Barrientos,
"Similarity search in metric spaces on multi-core platforms (CPU and GPU)". In Spanish.
MSc. thesis, Department of Computer Science, University of Chile, 2011.
Advisors: Mauricio Marin
[pdf] [bibtex]

2010 :

G.V. Costa, R. Barrientos, M. Marin and C. Bonacic,
"Scheduling Metric-Space Queries Processing on Multi-Core Processors",
In 18th Euromicro International Conference on Parallel, Distributed and Network-Based Computing (PDP 2010), pp.187--194. IEEE CS. Pisa, Italy, Feb. 2010, Indexing: Scopus.
[pdf] [bibtex]

R.J. Barrientos, J.I. Gómez, C. Tenllado, M. Prieto,
"Heap-Based k-Nearest Neighbor Search on GPUs",
XXI Jornadas de Paralelismo, pages 559-566, Valencia, Spain, 2010.
[pdf] [bibtex]

2009 :

G.V. Costa, M. Marin, R. Barrientos and C. Bonacic,
"Empirical Evaluation of the Parallel EGnat Index",
XIII Workwhop de Sistemas Distribuidos y Paralelismo (WSDP), Jornadas Chilenas de Computación. Santiago, Chile, Nov. 2009.
[pdf] [bibtex]

2007 :

M. Marin, R. Uribe, and R. Barrientos,
"Searching and Updating Metric Space Databases using the Parallel EGNAT",
In 7th International Conference on Computational Science (ICCS 2007). Springer, LNCS. Beijing, China, May 2007, Indexing: Scopus.
[pdf] [bibtex]

2006 :

R. Uribe, G. Navarro, R. Barrientos, M. Marin,
"An Index Data Structure for Searching in Metric Space Databases",
In 6th International Conference on Computational Science (ICCS 2006). Springer, LNCS. Reading, UK, May 2006, Indexing: Scopus.
[pdf] [bibtex]
Ricardo J. Barrientos, Roberto Uribe Paredes,
"Estrategias de paralelización para el egnat",
XXXII Conferencia Latinoamericana de la Informática (CLEI 2006), Santiago, Chile, Julio 2006.
[pdf] [bibtex]
Ricardo J. Barrientos,
"Parallel strategies of egnat index using a cluster of PCs". In Spanish.
Engineering thesis, University of Magallanes, Punta Arenas, Chile, Agosto 2006.
Advisors: Robero Uribe, Mauricio Marin
[pdf]