cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.30597677.v1
title: Temporal navigation for festival maps on mobile devices

description: Maps are powerful tools for communicating spatiotemporal data across different domains. However, their potential is often limited by insufficient emphasis on temporal aspects and the interaction challenges on mobile devices. This study, based on background research and needs assessment, presents an innovative approach to presenting and managing spatiotemporal data on event maps on mobile devices. The research uses the Glastonbury Festival 2024 lineup as a case study to develop and evaluate prototype interfaces. By incorporating navigation and time-based map symbologies, it aims to provide users with a smooth experience, helping them make quick decisions about where to go and when without having to switch between different screens. Findings demonstrate that integration of spatiotemporal data into mobile maps improves the usability of event maps during on-site use and offers an alternative to the traditional separation of maps and temporal information. Despite its limitations, the study provides valuable insights for future research on mobile event maps regarding the design interfaces for displaying and managing temporal information.
DOI: 10.21950/m4jwha
title: A First Approach to Co-Design a Multimodal Pedagogic Conversational Agent with Pre-Service Teachers to Teach Programming in Primary Education

description: Pedagogic Conversational Agents (PCAs) are interactive systems that engage the student in a dialogue to teach some domain. They can have the roles of a teacher, student, or companion, and adopt several shapes. In our previous work, a significant increase of students’ performance when learning programming was found when using PCAs in the teacher role. However, it is not common to find PCAs used in classrooms. In this paper, it is explored whether pre-service teachers would accept PCAs to teach programming better if they were co-designed with them. Pre-service teachers are chosen because they are still in training, so they can be taught what PCAs are and how this technology could be helpful. Moreover, pre-service teachers can choose whether they integrate PCAs in the teaching activities that they carry out as part of their degree’s course. An experiment with 35 pre-service primary education teachers was carried out during the 2021/2022 academic year to co-design a robotic PCA to teach programming. The experience validates the idea that involving pre-service teachers in the design of a PCA facilitates their involvement to integrate this technology in their classrooms. In total, 97% of the pre-service teachers that stated in a survey that they believed robot PCA could help children to learn programming, and 80% answered that they would like to use them in their classrooms.
DOI: 10.21950/2ljpit
title: Improving Motivation in Future Teachers: Flipped Classroom and Gamification Using Digital Badges

description: This dataset consists of the file "data.csv", which contains the research outcomes. The file includes the following information for each student: final evaluation scores, data on watched videos (H5P activity), completed tasks, and results from the final test (including the total grade and individual question grades).
This paper addresses the problem of low student engagement, motivation, and deep learning in traditional university teaching methods. It explores how integrating flipped classroom strategies and gamification through digital badges can effectively overcome some of these limitations.
With the consolidation of active methodologies in higher education, supported by blended learning environments and innovative tools, the flipped classroom and gamification have gained prominence as strategies to enhance participation and self-regulated learning. Yet, their joint application in teacher training programs remains underexplored, particularly regarding their impact on digital competence development.
The study employed a quantitative research approach, analyzing student performance data (grades, tasks completed, video viewing) and survey responses on perceptions of the teaching methods used. The research sample consisted of 63 first-year university students enrolled in an Early Childhood Education bachelor's degree at Universidad Rey Juan Carlos.
This paper contributes by providing empirical evidence on the effectiveness of combining flipped classroom methodologies with gamification elements, specifically digital badges, to enhance student motivation, engagement, and academic performance. It highlights how structured integration of technology-supported active learning strategies can successfully address challenges commonly associated with traditional educational methods.
description: R
description: R-Likert package
description: Each row in the dataset represents an individual student. The columns are structured as follows:

Column A: Student identification number.

Column B: Final subject grade (overall score).

Columns C to L: Grades for H5P activities (videos).

Column M: Number of videos watched by each student.

Columns N to AG: Grades for each task, followed by the name of the related lesson. Lessons 5, 9, and 10 include multiple tasks, differentiated by a subtask number in brackets (e.g., TaskName (1)). All tasks have a maximum grade of 2 points. A grade of 0 indicates a task was not submitted. Grades below 2 indicate partially completed tasks or tasks not performed correctly.

Column AH: Total number of tasks submitted by each student (maximum possible: 20).

Column AI: Total grade for all tasks (maximum possible: 40 points).

Column AJ: Total grade for the final test (out of 10 points).

Columns AK to BC: Individual grades for each test question (19 questions total). The maximum points per question varied between 0.13 and 0.5 points.
DOI: 10.21950/wdncty
title: Relationship between sensor size and optical bandwidth in perovskite-based solar cells as VLC receivers

description: This work focuses on the characterization of perovskite photovoltaic cells (PPVCs) for visible light communication (VLC) in terms of efficiency and bandwidth, especially for indoor and outdoor environments. Moreover, a comparison between different perovskite devices bandgap is carried out to observe the relationship between bandgap-bandwidth and bandgap-efficiency. The results demonstrate the viability of using PPVCs for VLC based on the achieved bandwidth of 4.85 MHz and 22% efficiency.
description: LabVIEW
description: Matlab
description: Origin
description: Excel
description: For taking the measurements we used an arbitrary waveform generator (RIGOL DG5102) and a green LD (OSRAM PLT5 510). The PDs were connected to a Tektronix TDS2012 oscilloscope in parallel with a 50 Ω resistor. The incident power on the PDs was 0.4 mW.
DOI: 10.21950/glqpdh
title: Efficient Self-Condensation of Cyclohexanone into Biojet Fuel Precursors over Sulfonic Acid-Modified Silicas: Insights on the Effect of Pore Size and Structure - Dataset

description: Mesoporous silica materials with different pore structures and sizes have been used for supporting aryl sulfonic acid catalytic sites via a postsynthetic grafting approach. The synthesized materials have been evaluated in the solventless acid-catalyzed self-condensation of cyclohexanone (CHO) to obtain the corresponding C12 adducts. These compounds display great potential as oxygenated fuel precursors as they can be transformed into jet fuel range alkanes in a subsequent hydrodeoxygenation process. In
this work, the synthesized catalysts have displayed high selectivity values toward monocondensed compounds (&gt;95%), thus limiting the formation of undesired heavier condensation products, together with CHO conversion values in the range 20−40% after 2 h of reaction at 100 °C. The structural and textural properties of the supports play an important role in the catalytic performance. Moreover, the activity per acid center is correlated with the textural properties of the supports, indicating that a lower surface density of the anchored aryl sulfonic groups affords an improvement in their specific activity. Finally, the benefit of using supports with large pore sizes and open structures, which limit the fouling of the catalysts by organic deposits, is demonstrated in a stability and reusability test.
DOI: 10.21950/bphpiw
title: Boosting the activity of UiO-66(Zr) by defect engineering: efficient aldol condensation of furfural and MIBK for the production of bio jet-fuel precursors - Dataset

description: The production of jet-fuel precursors from furfural via aldol-condensation with methyl-isobutyl ketone (MIBK) over defect-engineered UiO-66(Zr) catalysts is presented. The catalysts are prepared using formic acid (FA), trifluoroacetic acid (TFA) and HCl as synthesis modulators, leading to the incorporation of defects on the microcrystalline structure of the metalorganic framework (MOF) material, which dramatically boosts the catalytic performance. An extensive characterization of the modified catalysts by means of X-ray diffraction (XRD), argon adsorption isotherm, thermogravimetry (TGA), transmission electron microscopy, and FTIR spectroscopy of adsorbed acetonitrile, confirmed the incorporation of missing-linker and missing-node defects within the MOF structure, enabling the explanation of the enhancement in the catalytic process. The analysis of the reaction kinetics evidences that, working under moderate temperature conditions, conversion of furfural and selectivity to the desired adduct (FuMe) close to 100% can be achieved, avoiding the formation of degradation and bulkier compounds. Finally, despite the generation of defects within the UiO-66(Zr) structure, the resultant catalyst displays good reusability in low furfural concentration mediums.
DOI: 10.15468/dl.avggva
title: Occurrence Download

description: A dataset containing 24 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Naja oxiana",
 "HasCoordinate is TRUE"
 ]
}

 The dataset includes 24 records from 5 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0028539-251025141854904/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.21950/6cenv8
title: Aldol condensation of furfural and methyl isobutyl ketone over Zr-MOF-808/silica hybrid catalysts - Dataset

description: Mesoporous silica-supported Zr-MOF-808 catalysts have been synthesised and tested in the aldol condensation of (biomass-derived) furfural and methyl isobutyl ketone to bio-jet fuel precursors. Growth of Zr-MOF-808 nanocrystals over silica scaffolds results in well-dispersed Zr species which confer strong Lewis acidity as determined by FTIR of chemisorbed pyridine. Hybrid Zr-MOF-808/silica materials exhibit higher condensation activity than the unsupported crystalline Zr-MOF-808 (which is also prone to rapid deactivation). Textural properties of the silica support strongly influence the catalytic performance, with a high surface area and sufficiently large mesopore desirable. In the screening, the optimum Zr-MOF-808/MCM-41 catalyst delivered 68 % furfural conversion and 90 % selectivity to the C11 aldol adduct, 1-(furan-2-yl)-5-methylhex-1-en-3-one, at 130 ◦C and a furfural:Zr mass ratio of 150:1. Although more stable than the pure Zr-MOF-808, the Zr-MOF-808/MCM-41 also suffered significant deactivation over successive condensation reactions due to strongly adsorbed organic residues, however this was largely ameliorated by decreasing the furfural:Zr ratio to 75:1, which also led to an outstanding catalytic performance (100 % furfural conversion and adduct selectivity), likely because of the suppression of furfural polymerization.
DOI: 10.21950/praimc
title: Zr-modified USY zeolite as an efficient catalyst for the production of bio-jet fuel precursors from levulinic acid and furfural in the absence of solvent - Dataset

description: The high potential of using levulinic acid and furfural as platform molecules for the production of oxygenated adducts suitable as precursors for SAF synthesis is studied through the aldol condensation of both molecules. The research is the first-time demonstration of solventless acid-catalysed levulinic acid/furfural aldol condensation. The catalytic performance of a commercial H-USY zeolite and two post-synthetic variations thereof, with different dealumination degree and Zr loading, is analyzed, aiming at tuning the acid catalytic properties. The catalyst with an almost complete Al removal accompanied by the highest Zr wt% (Zr-USY-2) gave the best results in terms of selective conversion of furfural, pointing out to the Lewis acid sites as the main active sites to promote the aldol condensation reaction. An experimental design allowed to identify the optimal LA/FAL molar ratio (9/ 1) and reaction temperature (140 ◦C), while catalyst loading presented a minor significance. The optimization of the reaction parameters allowed to achieve a maximum furfural conversion of 88 %, combined with a yield towards the desired C10 adducts of 55 %. Furthermore, despite the catalytic performance of this material is slightly impaired in consecutive reaction cycles, it can be recovered with a thermal regeneration step, indicating a good reusability.
DOI: 10.21950/swcups
title: Insights into the influence of feed impurities on catalytic performance in the solvent-free dimerization of renewable levulinic acid - Dataset

description: Bio-jet fuel precursors can be produced from the solvent-free aldol dimerization of levulinic acid. The influence of the most common impurities accompanying the levulinic acid produced in lignocellulosic biorefineries (sulfuric acid, water, formic acid, and furfural) has been studied on the catalytic performance of different kinds of heterogeneous acid catalysts: (i) sulfonic acid-based materials, such as propyl-sulfonic acid-modified SBA-15, and the sulfonic acid resin Amberlyst-70, and (ii) commercial acid zeolites, such as H-Beta-19 and H-Beta-75. Furfural is the impurity that produces the greatest detrimental effect on the performances of all the catalysts tested. Catalyst deactivation is observed due to the formation of organic deposits on the catalyst surface (identified by TGA and acid-base titration), phenomenon that is accentuated when furfural is present in the reaction medium. Amberlyst-70 can recover almost totally the initial catalytic activity with a regeneration step based on washing with an acid solution under reflux. For Beta zeolites, the original activity of the catalyst can be easily and totally recovered through a regeneration process by calcination. H-Beta-19 zeolite is shown as the most suitable catalyst for the aldol dimerization of renewable LA, as its activity is not significantly affected by the presence of most of the impurities in the levels herein analyzed. In addition, a simultaneous mixture of all the impurities produces a synergistic effect, even improving the initial activity of the H-Beta-19 zeolite as a consequence of the sulfuric acid contribution to the catalytic effect.
DOI: 10.21950/uenmqx
title: Effects of building direction, process parameters and border scanning on the mechanical properties of Laser Powder Bed Fusion AlSi10Mg

description: In this study we present the analysis of the effect of building direction, process parameters and border scanning on the mechanical properties of LPBF manufactured AlSi10Mg alloy through hardness, tensile, shear and fracture testing.
description: Gom correlate
DOI: 10.21950/lshs4d
title: Synergization of LPBF shell‑infll lattice structures: experimental and modelling

description: This study aims to analyse the synergization between the shell and the lattice structure through compression testing and fnite element modelling (FEM), evaluating how diferent shell thicknesses and strut sizes contribute to the mechanical response of the 
integrated structures. Shell contribution was compared with that of the strut to examine where the added volume is more efective for resisting compressive loads. The results proved that thinner lattices with thicker shells were more efcient for resisting compression loads, doubling its resistance for the same volume fraction. In addition, the load application direction with respect to the lattice free surface has also been reported to infuence the mechanical response of the integrated structures. 
The results experimentally obtained agree with those obtained by FEM proving that the solid body model used is accurate enough to reproduce the mechanical response of the integrated structures.
DOI: 10.21950/xry2rf
title: Prosodic skills in Spanish-speaking adolescents and young adults with Down syndrome. Data set.

description: Dataset used in the following study: López-Riobóo, E., & Martínez-Castilla, P. (2024). Prosodic skills in Spanish-speaking adolescents and young adults with Down syndrome. International Journal of Language and Communication Disorders, 59(4), 1284-1295. https://doi.org/10.1111/1460-6984.13001
The study examined prosodic perception and production in Spanish-speaking adolescents and young adults with Down syndrome using the PEPS-C test. Compared with peers with other intellectual disabilities maatched on chronologial age and nonverbal cognition, the DS group showed significantly poorer performance on most prosodic tasks, except for emotional prosody, where results were comparable. The findings suggest that a generalization about a better profile in comprehension versus production is not possible.
DOI: 10.21950/m2eftp
title: Mechanically Recycled PLA - MLO formulations

description: &lt;p&gt;&lt;/p&gt;
 &lt;p&gt;INFORMACIÓN GENERAL&lt;/p&gt;
 &lt;p&gt;&lt;/p&gt;

 &lt;p&gt;3. Descripción del proyecto&lt;/p&gt;
 &lt;p&gt;Estudio del reciclado mecánico de bandejas de PLA de post-consumo con aceite maleinizado de linaza como aditivo plastificante.&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
 &lt;p&gt;4. Descripción del dataset&lt;/p&gt;
 &lt;p&gt;Datos experimentales obtenidos de la investigación del reciclado mecánico de PLA&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
 &lt;p&gt;METODOLOGÍA&lt;/p&gt;
 &lt;p&gt;&lt;/p&gt;

 &lt;p&gt;1. Metodología (empleada para la recogida o generación de los datos)&lt;/p&gt;
 &lt;p&gt;Los datos fueron obtenidos mediante diferentes técnicas experimentales incluyendo viscosimetría, calorimetría diferencial de barrido (DSC), análisis termogravimétrico (TGA), espectroscopía UV-Visible, espectroscopia FTIR, Resonancia Magnética Nuclear (1H-RMN), microscopía electrónica de barrido (SEM), microscopía de fuerza atómica (AFM), ensayos de tracción, ensayos de ángulo de contacto.&lt;/p&gt;
 &lt;p&gt;&lt;/p&gt;
 &lt;p&gt;2. Software&lt;/p&gt;
 &lt;p&gt;Archivos .tif: Fotografías SEM obtenidas mediante el software ZEISS SmartSEM.&lt;/p&gt;
 &lt;p&gt;Archivos .jpg: Fotografías AFM obtenidas mediante el software NanoScope Analysis 2.0.&lt;/p&gt;
 &lt;p&gt;Archivos .xlsx: Microsoft Excel&lt;/p&gt;
 &lt;p&gt;Archivos .opj: OriginPro 9&lt;/p&gt;

 &lt;p&gt;&lt;/p&gt;
 &lt;p&gt;FICHEROS&lt;/p&gt;
 &lt;p&gt;&lt;/p&gt;

 &lt;p&gt;1. Ficheros (Relación de todos los ficheros que se incluyen en el dataset, estructura breve descripción de su contenido, indicar formato, idioma, versión, etc.)&lt;/p&gt;
 &lt;p&gt;&lt;/p&gt;
 &lt;p&gt;Archivos .jpg (New-PLA, rPLA, rPLA1MLO, etc.): Fotografías AFM de las muestras&lt;/p&gt;
 &lt;p&gt;Archivos .tif (1MLO_01, 1MLO_02, etc.): Fotografías SEM de las muestras&lt;/p&gt;
 &lt;p&gt;Roughness.xlsx: Archivo con los valores de rugosidad de las diferentes muestras&lt;/p&gt;
 &lt;p&gt;Contact_Angle.xlsx: Archivo con los resultados de ángulo de contacto&lt;/p&gt;
 &lt;p&gt;Characteristic_Values_Tensile.xlsx: Archivo con los resultados de los ensayos de tracción&lt;/p&gt;
 &lt;p&gt;DSC_Data.opj: Archivo con los datos de calorimetría diferencial de barrido.&lt;/p&gt;
 &lt;p&gt;MFR and Thickness.xlsx: Archivo con espesores y valores de índice de fluidez&lt;/p&gt;
 &lt;p&gt;FTIR_UPM.opj: Archivo con los datos de espectroscopía FTIR.&lt;/p&gt;
 &lt;p&gt;SEM.zip: Carpeta con fotografías SEM de las muestras&lt;/p&gt;
 &lt;p&gt;TGA_Data.opj: Archivo con los datos de análisis termogravimétrico&lt;/p&gt;
 &lt;p&gt;UV-Vis.opj: Archivo con los datos de espectroscopía UV-Vis&lt;/p&gt;
 &lt;p&gt;Viscosity.opj: Archivos con datos de viscosidad intrínseca&lt;/p&gt;
description: ZEISS SmartSEM
description: NanoScope Analysis, 2.0
description: Microsoft Excel
description: OriginPro, 9
DOI: 10.21950/7kfjgs
title: Influence of process parameters in additive manufacturing of highly reinforced 316L / SiCp composites

description: We studied the influence of additive manufaturing process parameters such as laser power and scanning speed on the geometry, microstructure and hardness of 316L/SiC composites reinforced with 20-80 wt.% of reinforcement using Directed Laser Deposition.
DOI: 10.21950/xp2spq
title: Validating a first educational training system to teach ScratchJr to neurotypical and neurodivergent children according to their preferences and needs

description: Teaching programming to children at early age has been proven to be beneficial. Some research has focused on how to teach pro-gramming to children with special needs. According to Hu-man-Computer Interaction, all users should be involved in the design of their systems (including learning systems). However, evaluation procedures with young children are a complex task, which can be even harder when the young children have some special needs. This paper proposes a validation procedure which was applied with 50 children between 6-7 years to evaluate the usability of a training system to teach them Scratch Jr irrespec-tively whether they are neurotypical or neurodivergent.
DOI: 10.21950/erv4v7
title: Wear behavior of additively manufactured 316L/SiCp composites with up to 60 wt% SiCp

description: We studied the wear behavior of DED additively manufatured 316L/SiC composites reinforced with 20-80 wt.% of SiC ceramic particles and compared with 316L stainless Steel. The microstructure and microhardness of the samples were studied, and the friction coefficient, pin and disc mass loss, and wear rate have been correlated with them
description: Excel
description: Origin
description: X’Pert HighScore Plus software
description: Leica Application Suite software
DOI: 10.21950/j69m96
title: Indoor Energy Harvesting Enhancement: Pb-Free Perovskite Solar Cell with Nanostructured Grating Contact

description: Halide perovskite materials have spread in solar cells and photodetectors because of their excellent possibilities in tuning their absorption wavelengths, ease of fabrication, and low carbon footprint. However, their main drawbacks are related to their short device lifetime and stability problems in addition to limited efficiency at certain wavelength. For this reason, in this letter, we design a metasurface that can be integrated into a particularly long-life, stable and sustainable perovskite solar cell with the aim of enhancing its performance under indoor conditions. The metasurface has been designed and numerically simulated to enhance the halide perovskite response at the typical emission wavelengths of indoor LEDs. Adjusting the response of these solar cells to those specific spectral ranges by metasurfaces may create novel energy harvesting devices.
description: We have used a FDTD method to create the simulations to obtain the optimized results.
description: Lumerical
description: Python
description: Matlab
description: Origin
description: Excel