Publications

Displaying 676 - 700 of 1351

Publication	Date
An Isoperimetric-Type Inequality for Electrostatic Shell Interactions for Dirac Operators Authors: Arrizabalaga, Naiara,Mas, Albert,Vega, Luis 21 pages Springer Science and Business Media LLC	2015-10-17
Path Planning for Single Unmanned Aerial Vehicle by Separately Evolving Waypoints Authors: Yang, Peng,Tang, Ke,Lozano, Jose A.,Cao, Xianbin Evolutionary algorithm-based unmanned aerial vehicle (UAV) path planners have been extensively studied for their effectiveness and flexibility. However, they still suffer from a drawback that the high-quality waypoints in previous candidate paths can hardly be exploited for further evolution, since… Institute of Electrical and Electronics Engineers (IEEE)	2015-10-01
Short-term effects on antioxidant enzymes and long-term genotoxic and carcinogenic potential of CuO nanoparticles compared to bulk CuO and ionic copper in mussels Mytilus galloprovincialis Authors: Pamela Ruiz,Alberto Katsumiti,Jose A. Nieto,Jaume Bori,Alba Jimeno-Romero,Paul Reip,Inmaculada Arostegui,Amaia Orbea,Miren P. Cajaraville The aim of this work was to study short-term effects on antioxidant enzyme activities and long-term genotoxic and carcinogenic potential of CuO nanoparticles (NPs) in comparison to bulk CuO and ionic copper in mussels Mytilus galloprovincialis after 21 days exposure to 10 μg Cu L(-1). Then, mussels… Elsevier BV	2015-10-01
A novel machine learning approach to the detection of identity theft in social networks based on emulated attack instances and support vector machines Authors: Villar-Rodríguez, E.,Del Ser, Javier,Torre-Bastida, A. I.,Bilbao, M. N.,Salcedo-Sanz, Sancho SummaryThe proliferation of social networks and their usage by a wide spectrum of user profiles has been specially notable in the last decade. A social network is frequently conceived as a strongly interlinked community of users, each featuring a compact neighborhood tightly and actively connected… Wiley	2015-09-20
A new approach to categorising continuous variables in prediction models: Proposal and validation Authors: Irantzu Barrio,Inmaculada Arostegui,Inmaculada Arostegui,María Xosé Rodríguez-Álvarez,José-María Quintana When developing prediction models for application in clinical practice, health practitioners usually categorise clinical variables that are continuous in nature. Although categorisation is not regarded as advisable from a statistical point of view, due to loss of information and power, it is a… SAGE Publications	2015-09-18
On the arrangement of a small scale field experiment of a spar-type support for offshore wind turbine Authors: Arena F.,Ruzzo C.,Strati F. M.,Nava V. The aim of this work is to investigate the dynamic behavior of a spar-type support for offshore wind turbines under the action of irregular waves in ultimate design conditions. The structure chosen is the U-Maine Hywind Spar Buoy, supporting the NREL 5MW turbine. A 1:30 scale field experiment is… Informa UK Limited	2015-09-07
Experimental studies on the hydrodynamic behavior of a semi-submersible offshore wind platform Authors: Nava V.,Aguirre G.,Galvan J.,Sanchez-Lara M.,Mendikoa I.,Perez-Moran G. In this paper, the major results of an experimental tank test campaign on the hydrodynamics and dynamics of a floating offshore semisubmersible platform supporting a wind energy turbine are presented. The tests were performed by TECNALIA at the HMRC wave tank in Cork within the framework of the… Informa UK Limited	2015-09-07
An agent-oriented hierarchic strategy for solving inverse problems Authors: Smołka, Maciej,Schaefer, Robert,Paszyński, Maciej,Pardo, David,Álvarez-Aramberri, Julen Abstract The paper discusses the complex, agent-oriented hierarchic memetic strategy (HMS) dedicated to solving inverse parametric problems. The strategy goes beyond the idea of two-phase global optimization algorithms. The global search performed by a tree of dependent demes is… University of Zielona Góra, Poland	2015-09-01
On the heritability of dandelion-encoded harmony search heuristics for tree optimization problems Authors: Perfecto, Cristina,Bilbao, Miren Nekane,Del Ser, Javier,Ferro, Armando Tree based optimization problems stand for those paradigms where solutions can be arranged within a tree-like graph whose nodes represent the optimization variables of the problem at hand and their interconnecting edges topological and/or hierarchical relationships between such variables. In this… IEEE	2015-09-01
Sample entropy as a shock outcome predictor during basis life support Authors: Beatriz Chicote,Carlos Corcuera,Elisabete Aramendi,Daniel Alonso,Unai Irusta,Carlos Jover Optimizing defibrillation times may improve survival from ventricular fibrillation (VF) cardiac arrest. VF waveform analysis is one of the best non-invasive decision tools for shock outcome prediction. This study introduces a VF-waveform feature based on the computation of the sample entropy (… IEEE	2015-09-01
Comprehensive characterization of the behaviors of estimation of distribution algorithms Authors: Carlos Echegoyen,Roberto Santana,Alexander Mendiburu,Jose A. Lozano Estimation of distribution algorithms (EDAs) are a successful example of how to use machine learning techniques for designing robust and efficient heuristic search algorithms. Understanding the relationship between EDAs and the space of optimization problems is a fundamental issue for the… Elsevier BV	2015-09-01
Is it possible to improve the prediction ability of the BODE index? Authors: Irantzu Barrio,Cristóbal Esteban,Alberto Capelastegui,Inmaculada Arostegui,Txomin Zabala,Francisco Javier Moraza,Myriam Aburto,Helena Azcuna,Amaia Aramburu Between January 2003-2004 543 patients with COPD (FEV1 Results: Out of the 543 patients, 96% were male (average age of 68 years, BMI 28.3, 2.4±1.4 in Charlson and FEV1 of 55.0±13.1%). Regarding dyspnea, 48.6% reported dyspnea grade 2(MRC). The average distance covered in the 6MWT was 408.9±92.… European Respiratory Society (ERS)	2015-09-01
A method to measure ventilation rate during cardiopulmonary resuscitation using the capnogram Authors: Elisabete Aramendi,Erik Alonso,James K. Russell,Beatriz Chicote,Mohamud Daya,Unai Irusta,Andoni Elola The survival rate in cardiac arrest is associated to the quality of the chest compressions (CCs) and ventilations provided during cardiopulmonary resuscitation (CPR). Hyperventilation remains common whenever ventilation is manual during resuscitation from cardiac arrest. The capnogram is used to… IEEE	2015-09-01
A Critical Review of Robustness in Power Grids Using Complex Networks Concepts Authors: Lucas Cuadra,Sancho Salcedo-Sanz,Javier Del Ser,Silvia Jiménez-Fernández,Zong Geem This paper reviews the most relevant works that have investigated robustness in power grids using Complex Networks (CN) concepts. In this broad field there are two different approaches. The first one is based solely on topological concepts, and uses metrics such as mean path length, clustering… MDPI AG	2015-08-28
Assessment of the Performance of Imputation Techniques in Observational Studies with Two Measurements Authors: Urko Aguirre,Jose MarÃa Quintana,Inmaculada Arostegui,CristÃ³bal Esteban In observational studies with two measurements when the measured outcome pertains to a health related quality of life (HRQoL) variable, one motivation of the research may be to determine the potential predictors of the mean change of the outcome of interest. It is very common in such studies for… Lifescience Global	2015-08-19
Dandelion-Encoded Harmony Search Heuristics for Opportunistic Traffic Offloading in Synthetically Modeled Mobile Networks Authors: Perfecto, Cristina,Bilbao, Miren Nekane,Del Ser, Javier,Ferro, Armando,Salcedo-Sanz, Sancho The high data volumes being managed by and transferred through mobile networks in the last few years are the main rationale for the upsurge of research aimed at finding efficient technical means to offload exceeding traffic to alternative communication infrastructures with higher transmission… Springer Berlin Heidelberg	2015-08-09
A Harmony Search Approach for the Selective Pick-Up and Delivery Problem with Delayed Drop-Off Authors: Del Ser, Javier,Bilbao, Miren Nekane,Perfecto, Cristina,Salcedo-Sanz, Sancho In the last years freight transportation has undergone a sharp increase in the scales of its underlying processes and protocols mainly due to the ever-growing community of users and the increasing number of on-line shopping stores. Furthermore, when dealing with the last stage of the shipping chain… Springer Berlin Heidelberg	2015-08-09
Six years of Venus winds at the upper cloud level from UV, visible and near infrared observations from VIRTIS on Venus Express Authors: Agustín Sánchez-Lavega,I. Garate-Lopez,Javier Peralta,T. V. Bandos,Ricardo Hueso Venus Express provided a long-term monitoring of Venus atmosphere. Several works focused on the dynamics of the upper cloud visible on the day-side in ultraviolet images sensitive to the 65-70 km altitude and in the lower cloud level (50 km height) observable in the night-side of the planet in 1.74… Elsevier BV	2015-08-01
The Total Cost of Water-Related Disasters Authors: BALBI, Stefano,GIUPPONI, Carlo,Olshewski, R.,MOJTAHED, Vahid Abstract Water-related disasters have caused increasing losses in recent years. Efficient risk reduction policies require accurate assessment approaches, with careful consideration of costs, beyond material damages, which are commonly used in practice. Faced with possible risk… Walter de Gruyter GmbH	2015-08-01
Semi-analytical response of acoustic logging measurements in frequency domain Authors: Muga, Ignacio,Pardo, David,Matuszyk, Paweł J.,Torres-Verdín, Carlos This work proposes a semi-analytical method for simulation of the acoustic response of multipole eccentered sources in a fluid-filled borehole. Assuming a geometry that is invariant with respect to the azimuthal and vertical directions, the solution in frequency domain is expressed in terms of a… Elsevier BV	2015-08-01
Direct solvers performance on h-adapted grids Authors: Paszynski, M.,Pardo, D.,Calo, Victor We analyse the performance of direct solvers when applied to a system of linear equations arising from an $h$-adapted, $C^0$ finite element space. Theoretical estimates are derived for typical $h$-refinement patterns arising as a result of a point, edge, or face singularity as well as boundary… Elsevier BV	2015-08-01
Non-Markovian models of the growth of a polymer chain Authors: Elena Akhmatskaya,Elena Akhmatskaya,Simone Rusconi,José M. Asua,Dmitri Sokolovski,Dmitri Sokolovski Using simple exactly solvable models, we show that event-dependent time delays may lead to significant non-Poisson effects in the statistics of polymer chain growth. The results are confirmed by stochastic simulation of various growth scenarios. Our interest in mathematical aspects of non-Markovian… The Royal Society	2015-08-01
Effect of various dietary regimens on oral challenge with Mycobacterium avium subsp. paratuberculosis in a rabbit model Authors: Maider Mateo-Abad,Joseba M. Garrido,Rakel Arrazuria,Ramón A. Juste,Inmaculada Arostegui,Inmaculada Arostegui,Elena Molina,Natalia Elguezabal Rabbits are susceptible to infection by Mycobacterium avium subspecies paratuberculosis (MAP) in both wildlife and experimental conditions. Under the hypotheses that nutrient balance might influence the establishment of infection, we designed an experiment where MAP intestinal colonization was… Elsevier BV	2015-08-01
An integrated approach of flood risk assessment in the eastern part of Dhaka City Authors: Gain, A.,Mojtahed, V.,Biscaro, C.,Balbi, S.,Giupponi, C. The flood risk is a function of the flood hazard, the exposed values, and their vulnerability. In addition to extreme hydrological events, different anthropogenic activities such as extensive urbanization and land use play an important role in producing catastrophic floods. Considerations of both… Springer Science and Business Media LLC	2015-07-25
Kernels of Mallows Models for Solving Permutation-based Problems Authors: Josu Ceberio,Alexander Mendiburu,Jose A. Lozano Recently, distance-based exponential probability models, such as Mallows and Generalized Mallows, have demonstrated their validity in the context of estimation of distribution algorithms (EDAs) for solving permutation problems. However, despite their successful performance, these models are… ACM	2015-07-11