Search results for "1103"
showing 10 items of 538 documents
Scalability of using Restricted Boltzmann Machines for Combinatorial Optimization
2014
Abstract Estimation of Distribution Algorithms (EDAs) require flexible probability models that can be efficiently learned and sampled. Restricted Boltzmann Machines (RBMs) are generative neural networks with these desired properties. We integrate an RBM into an EDA and evaluate the performance of this system in solving combinatorial optimization problems with a single objective. We assess how the number of fitness evaluations and the CPU time scale with problem size and complexity. The results are compared to the Bayesian Optimization Algorithm (BOA), a state-of-the-art multivariate EDA, and the Dependency Tree Algorithm (DTA), which uses a simpler probability model requiring less computati…
Isotonic regression for metallic microstructure data: estimation and testing under order restrictions
2021
Investigating the main determinants of the mechanical performance of metals is not a simple task. Already known physical inspired qualitative relations between 2D microstructure characteristics and 3D mechanical properties can act as the starting point of the investigation. Isotonic regression allows to take into account ordering relations and leads to more efficient and accurate results when the underlying assumptions actually hold. The main goal in this paper is to test order relations in a model inspired by a materials science application. The statistical estimation procedure is described considering three different scenarios according to the knowledge of the variances: known variance ra…
General framework for testing Poisson-Voronoi assumption for real microstructures
2020
Modeling microstructures is an interesting problem not just in Materials Science but also in Mathematics and Statistics. The most basic model for steel microstructure is the Poisson-Voronoi diagram. It has mathematically attractive properties and it has been used in the approximation of single phase steel microstructures. The aim of this paper is to develop methods that can be used to test whether a real steel microstructure can be approximated by such a model. Therefore, a general framework for testing the Poisson-Voronoi assumption based on images of 2D sections of real metals is set out. Following two different approaches, according to the use or not of periodic boundary conditions, thre…
Appendix_1 – Supplemental material for Operational Definition of Serious Mental Illness: Heterogeneity in a Review of the Research on Quality-of-Life…
2020
Supplemental material, Appendix_1 for Operational Definition of Serious Mental Illness: Heterogeneity in a Review of the Research on Quality-of-Life Interventions by Concepción Martínez-Martínez, Miguel Richart-Martínez and Juan Diego Ramos- Pichardo in Journal of the American Psychiatric Nurses Association
Supplemental Material, JEP059716_supplement - Sensory and affective components of symptom perception: A psychometric approach
2017
Supplemental Material, JEP059716_supplement for Sensory and affective components of symptom perception: A psychometric approach by Marta Walentynowicz, Michael Witthöft, Filip Raes, Ilse Van Diest, and Omer Van den Bergh in Journal of Experimental Psychopathology
sj-docx-1-isp-10.1177_00207640221137993 – Supplemental material for The association of physical multimorbidity with suicidal ideation and suicide att…
2022
Supplemental material, sj-docx-1-isp-10.1177_00207640221137993 for The association of physical multimorbidity with suicidal ideation and suicide attempts in England: A mediation analysis of influential factors by Lee Smith, Jae Il Shin, San Lee, Jae Won Oh, Guillermo F López Sánchez, Karel Kostev, Louis Jacob, Mark A. Tully, Felipe Schuch, Daragh T. McDermott, Damiano Pizzol, Nicola Veronese, Junmin Song, Pinar Soysal and Ai Koyanagi in International Journal of Social Psychiatry
Supplemental material for Migration, Identity, and Threatened Mental Health: Examples from Contemporary Fiction
2018
Supplemental material for Migration, Identity, and Threatened Mental Health: Examples from Contemporary Fiction by Moritz E. Wigand, Hauke F. Wiegand, Ertan Altintas, Markus Jäger and Thomas Becker in Transcultural Psychiatry
sj-pdf-1-cep-10.1177_0333102420928076 - Supplemental material for Determination of psychosocial factors in cluster headache – construction and psycho…
2020
Supplemental material, sj-pdf-1-cep-10.1177_0333102420928076 for Determination of psychosocial factors in cluster headache – construction and psychometric properties of the Cluster Headache Scales (CHS) by Timo Klan, Anne-Kathrin Bräscher, Annabella Vales, Eva Liesering-Latta, Michael Witthöft and Charly Gaul in Cephalalgia
sj-pdf-2-cep-10.1177_0333102420928076 - Supplemental material for Determination of psychosocial factors in cluster headache – construction and psycho…
2020
Supplemental material, sj-pdf-2-cep-10.1177_0333102420928076 for Determination of psychosocial factors in cluster headache – construction and psychometric properties of the Cluster Headache Scales (CHS) by Timo Klan, Anne-Kathrin Bräscher, Annabella Vales, Eva Liesering-Latta, Michael Witthöft and Charly Gaul in Cephalalgia
sj-pdf-2-cep-10.1177_0333102420928076 - Supplemental material for Determination of psychosocial factors in cluster headache – construction and psycho…
2020
Supplemental material, sj-pdf-2-cep-10.1177_0333102420928076 for Determination of psychosocial factors in cluster headache – construction and psychometric properties of the Cluster Headache Scales (CHS) by Timo Klan, Anne-Kathrin Bräscher, Annabella Vales, Eva Liesering-Latta, Michael Witthöft and Charly Gaul in Cephalalgia