Listar RESULTADOS DE INVESTIGACIÓN por licencia "openAccess"
Mostrando ítems 1-20 de 2114
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2-Piece Cork Stoppers as Alternative for Valorization of Thin Cork Planks: Analysis by LCA Methodology
(Foods, 2021)Natural stoppers are a magnificent closure for the production of aging wines and unique wines, whose application is limited by the availability of raw materials and more specifically of cork sheets of different thickness ... -
2008-2017 Bogota River Water Quality Assessment Based on the Water Quality Index
(Sustainability, 02/03/2019)This article provides a deep analysis of the water quality at the upper basin of the Bogota River (Colombia) between 2008 and 2017. The Water Quality Index has been the indicator employed to determine the ecological status ... -
3D visualization through the hologram for the learning of area and volume concepts
(Mathematics, 26/02/2019)This study aims to implement and evaluate a methodological proposal using the hologram as a teaching medium for the learning of concepts related to areas and volumes of geometrical bodies. The study has been carried out ... -
A 14-year dataset of in situ glacier surface velocities for a tidewater and a land-terminating glacier in Livingston Island, Antarctica
(Earth System Science Data, 10/2017)We present a 14-year record of in situ glacier surface velocities determined by repeated global navigation satellite system (GNSS) measurements in a dense network of 52 stakes distributed across two glaciers, Johnsons ... -
A Case Study of Applying Open Educational Practices in Higher Education during COVID-19: Impacts on Learning Motivation and Perceptions
(Sustainability (Switzerland), 2020)Open Educational Resources (OER) have been researched for a long time in the open education field. Researchers are now shifting their focus from resources to practices for delivering open education, an area called Open ... -
A clustering WSN routing protocol based on k-d tree algorithm
(Sensors, 09/2018)Clustering in wireless sensor networks has been widely discussed in the literature as a strategy to reduce power consumption. However, aspects such as cluster formation and cluster head (CH) node assignment strategies have ... -
A Comparative Study on Power Flow Methods for Direct-Current Networks Considering Processing Time and Numerical Convergence Errors
(Electronics, 12/2020)This study analyzes the numerical convergence and processing time required by several classical and new solution methods proposed in the literature to solve the power-flow problem (PF) in direct-current (DC) networks ... -
A Comparison Between Recombinant Listeria GAPDH Proteins and GAPDH Encoding mRNA Conjugated to Lipids as Cross-Reactive Vaccines for Listeria, Mycobacterium, and Streptococcus
(Frontiers in immunology, 2021)Cross-reactive vaccines recognize common molecular patterns in pathogens and are able to confer broad spectrum protection against different infections. Antigens common to pathogenic bacteria that induce broad immune ... -
A corpus-based study of adverbs of frequency in a goal-oriented distance learning forum
(ELIA. Estudios de Lingüística Inglesa Aplicada, 2018)This paper reports on a corpus-based study that investigated the use of frequency adverbs in students' posts in a goal-oriented virtual forum. The participants in the study were undergraduate students enrolled in two ... -
A design process for balanced educational video games with collaborative activities
(Dyna, 2015)The efficiency of educational video games could be improved through the use of a specific development method that allows them to keep both their educational and recreational goals and maintains their playability. Accordingly, ... -
A Gap in Networked Publics? A Comparison of Younger and Older Journalists' Newsgathering Practices on Social Media
(Nordicom Review, 15/05/2018)Several recent studies have examined how professional journalists use social media at work. However, we know little about the differences between younger and older journalists' use of social media for newsgathering. We ... -
A global model for the estimation of transport costs
(Economic Research-Ekonomska Istrazivanja, 01/01/2020)This paper presents a model of transport cost determinants that corrects the specification problems observed in the transport cost equations in previous literature. The model includes freight transport supply and demand, ... -
A long-term view of knowledge agents as key enablers of environmental knowledge
(Proceedings of the European Conference on Knowledge Management, ECKM, 09/2017)Knowledge agents are individuals who contribute to the transformation and exchange of knowledge and who make active use of the knowledge derived from relevant information. From a hotel perspective, knowledge agents are ... -
A Mixed Methods Study to Examine the Influence of CLIL on Physical Education Lessons: Analysis of Social Interactions and Physical Activity Levels
(Frontiers in Psychology, 03/2020)Physical Education is often selected for applying multilingual initiatives through the use of a content and language integrated learning (CLIL) approach. However, it is still unclear whether the introduction of such an ... -
A Multi-step Process Approach for Estimating Public Sector Wages. The Spanish Experience
(Hacienda Pública Española-Review of Public Economics, 2021)We propose a semiparametric model including problems of sample selection and endogeneity. Concretely, we focus on studying the effect of tenure in public sector wages. Here we face two problems: Public wages are only ... -
A multicentre, randomised, controlled trial of a combined clinical treatment for first-episode psychosis
(MDPI AG, 2021)Introduction: There is evidence that early intervention contributes to improving the prognosis and course of first-episode psychosis (FEP). However, further randomised treatment clinical trials are needed. Objectives: The ... -
A new SEAIRD pandemic prediction model with clinical and epidemiological data analysis on COVID-19 outbreak
(Applied intelligence, 2021)Measuring the spread of disease during a pandemic is critically important for accurately and promptly applying various lockdown strategies, so to prevent the collapse of the medical system. The latest pandemic of COVID-19 ... -
A Nondisturbing Service to Automatically Customize Notification Sending Using Implicit-Feedback
(Scientific Programming, 2019)This paper addresses the problem of automatically customizing the sending of notifications in a nondisturbing way, that is, by using only implicit-feedback. Then, we build a hybrid filter that combines text mining content ... -
A penny for your words. Job insecurity as the chief problem affecting Spanish professional journalism
(Estudios sobre el mensaje periodistico, 2021)Given the challenging period professional journalism is going through and the challenges facing journalists in their day-today work, this paper seeks to identify the main problems affecting professional Spanish journalists ... -
A Predictive System Informed by Students’ Similar Behaviour
(Sustainability, 2020)It is quite complex to adapt instruction to student needs in view of online education owing to the ensuing communication disconnection in such learning environments. Decision support schemes offer assistance by automatically ...
