bluuebunny/crossref_metadata_2025_split huggingface dataset:
Twenty-First-Century Crises and the Social Turn of International Financial Institutions
Authors: Engström Viljam 
Published: June 2023

AbstractThe early twenty-first century will be remembered as a time of constant crisis. These crises have created repeated global states of emergency, revealing gaps, and inadequacies in social protection systems worldwide. Alongside these crises, and as a response to them, social protection has grown into a paradigm of global governance. This development is also noticeable in the practices of the World Bank and the International Monetary Fund. At the heart of all social protection policies is the protection of vulnerable groups. Crises create new vulnerabilities and deteriorate the situation of those already vulnerable. The article explores the social protection endorsement of the World Bank and the International Monetary Fund through the financial crisis and the COVID-19 pandemic. It shows how crises have fueled their social protection endorsement, making protection of vulnerable groups a central outspoken policy preference. The article asks whether the policies adopted in response to the pandemic confirm their social protection commitment and what challenges remain.
Comparison and predictors of implantable cardioverter-defibrillator therapy for primary and secondary prevention
Authors: Evertz Reinder , van der Heijden Tessa , Beukema Rypko , Westra Sjoerd , Meindersma Esther , van Deursen Caroline , Vernooy Kevin 
Published: June 2023

Abstract
Background
Implantable cardioverter-defibrillators (ICDs) are effective in detecting and treating ventricular arrhythmias. Studies on ICD therapy for different indications (primary and secondary prevention) and possible predictors of ICD therapy are limited. In this study, the incidence and type of ICD therapy were related to the indication and the underlying cardiac pathology.

Methods
A single-centre, retrospective and observational study was performed of 482 patients who underwent ICD implantation for primary (53.3%) or secondary prevention (46.7%) between 2015 and 2020 at the Radboud University Medical Centre.

Results
During a median follow-up of 2.4 years (interquartile range 0.2–3.9), the occurrence of appropriate ICD therapy for primary versus secondary prevention was 9.7% and 27.6%, respectively (p < 0.001). Time to appropriate ICD therapy was significantly shorter in the secondary prevention group (p < 0.001). No difference in ICD therapy was seen for different underlying aetiologies. In the majority of cases (70%) ICD therapy was given for ventricular tachycardia (VT). The occurrence of adverse events (16.3% vs 17.3%, p = 0.772), hospitalisation for cardiovascular reasons (29.2% vs 35.1%, p = 0.559) and all-cause mortality (12.5% vs 11.6%, p = 0.763) were similar in both groups. Male gender (3.53, 95% confidence interval (CI) (1.003, 12.403), p = 0.049) and secondary prevention indication (4.90, 95% CI (1.495, 16.066), p = 0.009) were predictors of appropriate ICD therapy.

Conclusion
The risk associated with appropriate ICD therapy is higher in secondary prevention patients, who have their first therapy within a shorter time frame after device implantation. Rates of complications, hospitalisation and all-cause mortality are comparable. Future treatment options should target the prevention of ICD therapy, mainly by preventing the recurrence of VT.
The Interplay of Academic Hardiness, Passion for Studies and Affective Experiences in Undergraduates’ Happiness and GPA Scores: a Person-Oriented Approach
Authors: Kamtsios Spiridon 
Published: June 2023

AbstractThe purpose of the study was to investigate undergraduates’ profiles, taking into account personality traits (academic hardiness and test anxiety), motivational factors (passion for studies) and affective experiences (positive and negative affect). The study explored differences in outcomes such as happiness and grade point average (GPA) scores among student profiles. The sample comprised of 293 undergraduates, studying in a social science department. Participants completed the following scales: (a) Revised Academic Hardiness Scale (RAHS), (b) Test Anxiety Inventory (TAI), (c) Passion scale, (d) Positive and Negative Affect scale (PANAS), (e) Oxford Happiness Questionnaire (OHQ). Academic achievement was measured using students’ GPA. Results from hierarchical cluster analysis (which was used for clustering undergraduates into homogenous groups) revealed three profiles: (a) hardy, passionate and non-anxious undergraduates, emotionally positive, (b) anxious-committed, mid-passionate undergraduates, experiencing low positive and mid-negative affect and (c) low hardy, unpassionate and mid-anxious undergraduates, experiencing both positive and negative affect. These profiles were differentially related to student happiness and GPA scores. Hardy, passionate and non-anxious with positive affect undergraduates reported the highest GPA and happiness scores. Results of the study are discussed, practical implications, limitations and future research directions are presented.
New techniques versus standard mapping for sentinel lymph node biopsy in breast cancer: a systematic review and meta-analysis
Authors: Rocco Nicola , Velotti Nunzio , Pontillo Martina , Vitiello Antonio , Berardi Giovanna , Accurso Antonello , Masone Stefania , Musella Mario 
Published: June 2023

AbstractNew tracers for sentinel lymph node biopsy (SLNB), as indocyanine green (ICG), superparamagnetic iron oxide (SPIO) and micro bubbles, have been recently introduced in clinical practice showing promising but variable results. We reviewed the available evidence comparing these new techniques with the standard tracers to evaluate their safety. To identify all available studies, a systematic search was performed in all electronic databases. Data regarding sample size, mean number of SLN harvested for patient, number of metastatic SLN and SLN identification rate of all studies were extracted. No significant differences were found in terms of SLNs identification rates between SPIO, RI and BD but with a higher identification rate with the use of ICG. No significant differences were also found for the number of metastatic lymph nodes identified between SPIO, RI and BD and the mean number of SLNs identified between SPIO and ICG versus conventional tracers. A statistically significant differences in favor of ICG was reported for the comparison between ICG and conventional tracers for the number of metastatic lymph nodes identified. Our meta-analysis demonstrates that the use of both ICG and SPIO for the pre-operative mapping of sentinel lymph nodes in breast cancer treatment is adequately effective.
Content Moderation in the Metaverse Could Be a New Frontier to Attack Freedom of Expression
Authors: Hine Emmie 
Published: June 2023

AbstractThis commentary examines the challenges faced by metaverse platforms in cross-border content moderation, focusing on the implications for freedom of expression and nondiscrimination. It highlights the difficulties in determining what to remove for which users as well as how to do so, which has serious implications for freedom of expression and our shared sense of reality. Proto-metaverse platforms such as Roblox and Minecraft face similar questions, but have not yet encountered major cross-jurisdictional issues because, as looking at traditional social media platforms reveals, content moderation is not merely a question of law and policy, but also of geopolitics and government priorities. To avoid a “lowest common denominator effect” where freedom of expression is infringed upon worldwide and discrimination is entrenched, this commentary argues that metaverse platforms must clarify their moderation policies, assess their entry into specific markets based on local laws and their own values, and be prepared to exit overly restrictive markets.
Community-acquired and hospital-acquired bacterial co-infections in patients hospitalized with Covid-19 or influenza: a retrospective cohort study
Authors: Jorda Anselm , Gabler Cornelia , Blaschke Amelie , Wölfl-Duchek Michael , Gelbenegger Georg , Nussbaumer-Pröll Alina , Radtke Christine , Zeitlinger Markus , Bergmann Felix 
Published: June 2023

Abstract
Background
Bacterial co-infections are believed to be less frequent in patients with Covid-19 than influenza, but frequencies varied between studies.

Methods
This single-center retrospective, propensity score-matched analysis included adult patients with Covid-19 or influenza admitted to normal-care wards between 02/2014 and 12/2021. Covid-19 cases were propensity score matched to influenza cases at a 2:1 ratio. Community-acquired and hospital-acquired bacterial co-infections were defined as positive blood or respiratory cultures ≤ 48 h or > 48 h after hospital admission, respectively. The primary outcome was comparison of community-acquired and hospital-acquired bacterial infections between patients with Covid-19 and influenza in the propensity score-matched cohort. Secondary outcomes included frequency of early and late microbiological testing.

Results
A total of 1337 patients were included in the overall analysis, of which 360 patients with Covid-19 were matched to 180 patients with influenza. Early (≤ 48 h) microbiological sampling was performed in 138 (38.3%) patients with Covid-19 and 75 (41.7%) patients with influenza. Community-acquired bacterial co-infections were found in 14 (3.9%) of 360 patients with Covid-19 and 7 (3.9%) of 180 patients with influenza (OR 1.0, 95% CI 0.3–2.7). Late (> 48 h) microbiological sampling was performed in 129 (35.8%) patients with Covid-19 and 74 (41.1%) patients with influenza. Hospital-acquired bacterial co-infections were found in 40 (11.1%) of 360 patients with Covid-19 and 20 (11.1%) of 180 patients with influenza (OR 1.0, 95% CI 0.5–1.8).

Conclusion
The rate of community-acquired and hospital-acquired bacterial co-infections was similar in hospitalized Covid-19 and influenza patients. These findings contrast previous literature reporting that bacterial co-infections are less common in Covid-19 than influenza.
Spectral narratives of microstructural restyling and their controls on hydrocarbon generation potential from coal
Authors: Adsul Tushar , Ghosh Santanu , Ojha Anwita , Bhattacharyya Sudip , Varma Atul Kumar 
Published: June 2023

AbstractThe low to medium-rank Tertiary coals from Meghalaya, India, are explored for the first time for their comprehensive microstructural characterization using the FTIR and Raman spectroscopy. Further, results from these coals are compared with the Permian medium and high-rank coals to understand the microstructural restyling during coalification and its controls on hydrocarbon generation. The coal samples are grouped based on the mean random vitrinite reflectance values to record the transformations in spectral attributes with increasing coal rank. The aliphatic carbon and the apparent aromaticity respond sharply to the first coalification jump ($${\bar{\rm R}}$$

R

¯

r: 0.50%) during low to medium-rank transition and anchizonal metamorphism of the high-rank coals. Moreover, the Raman band intensity ratio changes during the first coalification jump but remains invariable in the medium-rank coals and turns subtle again during the onset of pregraphitization in high-rank coals, revealing a polynomial trend with the coal metamorphism. The Rock–Eval hydrogen index and genetic potential also decline sharply at the first coalification jump. Besides, an attempt to comprehend the coal microstructural controls on the hydrocarbon potential reveals that the Tertiary coals comprise highly reactive aliphatic functionalities in the type II-S kerogen, along with the low paleotemperature (74.59–112.28 °C) may signify their potential to generate early-mature hydrocarbons. However, the presence of type II-III admixed kerogen, a lesser abundance of reactive moieties, and overall moderate paleotemperature (91.93–142.52 °C) of the Permian medium-rank coals may imply their mixed hydrocarbon potential. Meanwhile, anchizonal metamorphism, polycondensed aromatic microstructure, and high values of paleotemperature (~ 334.25 to  ~ 366.79 °C) of the high-rank coals indicate a negligible potential of producing any hydrocarbons.
The Amit–Ashurst conjecture for finite metacyclic p-groups
Authors: Camina Rachel D. , Cocke William L. , Thillaisundaram Anitha 
Published: June 2023

AbstractThe Amit conjecture about word maps on finite nilpotent groups has been shown to hold for certain classes of groups. The generalised Amit conjecture says that the probability of an element occurring in the image of a word map on a finite nilpotent group G is either 0, or at least 1/|G|. Noting the work of Ashurst, we name the generalised Amit conjecture the Amit–Ashurst conjecture and show that the Amit–Ashurst conjecture holds for finite p-groups with a cyclic maximal subgroup.
Reshaping the structure of the World Trade Network: a pivotal role for China?
Authors: Hoang Vu Phuong , Piccardi Carlo , Tajoli Lucia 
Published: June 2023

AbstractIn recent years, the global trade landscape has undergone significant changes, particularly in the aftermath of the 2008 financial crisis and more recently as a consequence of Covid-19 pandemic. To understand the structure of international trade and the impact of these changes, this study applies a combination of network analysis and causal inference techniques to the most extensive coverage of available data in terms of time span and spatial extension. The study is conducted in two phases. The first one explores the structure of international trade by providing a comprehensive analysis of the World Trade Network (WTN) from various perspectives, including the identification of key players and clusters of strongly interacting countries. The second phase investigates the impact of the rising role of China on the global structure of the WTN. Overall, the results highlight a structural change in the WTN, evidenced by a variety of network metrics, around China’s rapid growth years. Additionally, the reshaping of the WTN is not only accompanied by a significant increase in trade flows between China and its partners, but also by a corresponding decline in trade among non-China-partner countries. These results suggest that China played a pivotal role in the restructuring of the WTN in the first decades of this century. The findings of this study shed light on the interpretation of the rapidly changing landscape of global trade.
Attitude maneuvers avoiding forbidden directions
Authors: Ailabouni David , Meister Andreas , Spindler Karlheinz 
Published: June 2023

AbstractMany space missions require the execution of large-angle attitude slews during which stringent pointing constraints must be satisfied. For example, the pointing direction of a space telescope must be kept away from directions to bright objects, maintaining a prescribed safety margin. In this paper we propose an open-loop attitude control algorithm which determines a rest-to-rest maneuver between prescribed attitudes while ensuring that any of an arbitrary number of body-fixed directions of light-sensitive instruments stays clear of any of an arbitrary number of space-fixed directions. The approach is based on an application of a version of Pontryagin’s Maximum Principle tailor-made for optimal control problems on Lie groups, and the pointing constraints are ensured by a judicious choice of the cost functional. The existence of up to three first integrals of the resulting system equations is established, depending on the number of light-sensitive and forbidden directions. These first integrals can be exploited in the numerical implementation of the attitude control algorithm, as is shown in the case of one light-sensitive and several forbidden directions. The results of the test cases presented confirm the applicability of the proposed algorithm.
Space-time video super-resolution using long-term temporal feature aggregation
Authors: Chen Kuanhao , Yue Zijie , Shi Miaojing 
Published: June 2023

AbstractSpace-time video super-resolution (STVSR) serves the purpose to reconstruct high-resolution high-frame-rate videos from their low-resolution low-frame-rate counterparts. Recent approaches utilize end-to-end deep learning models to achieve STVSR. They first interpolate intermediate frame features between given frames, then perform local and global refinement among the feature sequence, and finally increase the spatial resolutions of these features. However, in the most important feature interpolation phase, they only capture spatial-temporal information from the most adjacent frame features, ignoring modelling long-term spatial-temporal correlations between multiple neighbouring frames to restore variable-speed object movements and maintain long-term motion continuity. In this paper, we propose a novel long-term temporal feature aggregation network (LTFA-Net) for STVSR. Specifically, we design a long-term mixture of experts (LTMoE) module for feature interpolation. LTMoE contains multiple experts to extract mutual and complementary spatial-temporal information from multiple consecutive adjacent frame features, which are then combined with different weights to obtain interpolation results using several gating nets. Next, we perform local and global feature refinement using the Locally-temporal Feature Comparison (LFC) module and bidirectional deformable ConvLSTM layer, respectively. Experimental results on two standard benchmarks, Adobe240 and GoPro, indicate the effectiveness and superiority of our approach over state of the art.
Influence of hydrodynamic parameters in plate heat exchangers in ice slurry transport
Authors: Jiménez Pacheco Hugo Guillermo , Milon Guzmán Juan José , Miranda Ramos Lilia Mary , Delgado Sarmiento Pavel Kewin , Linares Flores Castro Antonio Erick , Leal Braga Sergio 
Published: June 2023

AbstractIce slurry is applied in different refrigeration and air conditioning systems, and among its main advantages is the ability to store latent heat and be pumpable as cold water. This fluid can be used for thermal storage instead of cold water or solid ice, since, at certain concentrations, it can be pumped through heat exchangers. For this technology to be widely used, the equipment must be designed considering the heat exchange characteristics. This study developed an experimental system to study the parameters that influence heat exchange, using ice slurry in a plate heat exchanger and water as a thermal load. Several situations with different flows and initial fractions of ice in ice slurry were analyzed. The input conditions of the thermal load were kept constant, the temperature, the pressure drop and the flow of the ice slurry in the heat exchanger were controlled, according to the Nusselt, Prandtl, and Reynolds coefficients. Results show that the global heat exchange coefficient increases with the increase of the initial ice fraction; the cooling capacity of the heat exchanger increases when ice slurry is used as a fluid. For flow rates greater than 0.16 kg/s and ice fractions above 11%, ice crystals are generated at the heat exchanger outlet, due to the ice slurry’s higher viscosity, at approximately 0.003 Pa at the outlet, since the pressure drop increases as the initial ice fraction increases. Results show ice slurry thermohydraulic behavior. Its use shows favorable characteristics in heat exchange.
Artificial Ecosystem-Based Optimization with Dwarf Mongoose Optimization for Feature Selection and Global Optimization Problems
Authors: Al-Shourbaji Ibrahim , Kachare Pramod , Fadlelseed Sajid , Jabbari Abdoh , Hussien Abdelazim G. , Al-Saqqar Faisal , Abualigah Laith , Alameen Abdalla 
Published: June 2023

AbstractMeta-Heuristic (MH) algorithms have recently proven successful in a broad range of applications because of their strong capabilities in picking the optimal features and removing redundant and irrelevant features. Artificial Ecosystem-based Optimization (AEO) shows extraordinary ability in the exploration stage and poor exploitation because of its stochastic nature. Dwarf Mongoose Optimization Algorithm (DMOA) is a recent MH algorithm showing a high exploitation capability. This paper proposes AEO-DMOA Feature Selection (FS) by integrating AEO and DMOA to develop an efficient FS algorithm with a better equilibrium between exploration and exploitation. The performance of the AEO-DMOA is investigated on seven datasets from different domains and a collection of twenty-eight global optimization functions, eighteen CEC2017, and ten CEC2019 benchmark functions. Comparative study and statistical analysis demonstrate that AEO-DMOA gives competitive results and is statistically significant compared to other popular MH approaches. The benchmark function results also indicate enhanced performance in high-dimensional search space.
Middle East Respiratory Syndrome Coronavirus (MERS-CoV) is Not Circulating Among Hajj Pilgrims
Authors: Al-Tawfiq Jaffar A. , Memish Ziad A. 
Published: June 2023

AbstractSince the emergence of the middle east respiratory syndrome coronavirus (MERS-CoV) 2012, the virus had caused multiple healthcare-associated outbreaks. The initial 2012 Hajj season started few weeks after the first case of MERS-CoV, but there were no reported cases among pilgrims in 2012. Since then, there had been multiple studies examining the prevalence of MERS-CoV among Hajj pilgrims. Subsequently, multiple studies utilized screening of pilgrims for MERS-CoV and > 10,000 pilgrims were screened with no identifiable cases of MERS.
Avoidable Pitfalls: Another Encounter of Bilateral Ureter Complete Duplication with Impacted Calculus At Al Habib Hospital/Dubai
Authors: Shawish Fahmi Mohamed Abu , Kapsas Georgios 
Published: June 2023

AbstractThe ureter is commonly the subject of congenital anatomical variations involving either complete or incomplete duplication. Complete ureter duplication may not produce symptoms and therefore does not become apparent until later in life. This condition is most encountered incidentally during the extraction of impacted ureteric stones. This type of anomaly is more common in females. However, this condition is not the extremely rare incident as previously thought. Herein, we present our second case of bilateral complete ureter duplication. This aberration was encountered during the extraction of an impacted calculus which was found close to the vesico-ureteric junction of the medial limb of the right complete duplicated ureter. We also present a review of the related English literature. It is essential to emphasize the importance of our basic knowledge relating to most possible renal and ureteric surgical aberrations. A particular consideration prior to any procedure is the meticulous analysis of related radiological images. This clinical practice is a key priority if we are to avoid unpleasant surgical pitfalls. The in-depth diagnosis of an aberration basically remains a radiological entity. This case study provides learning points to complement our daily practice in the management of impacted ureteric calculi.
Weighted Hodge ideals of reduced divisors
Authors: Olano Sebastián 
Published: June 2023

AbstractWe study the Hodge and weight filtrations on the localization along a hypersurface, using methods from birational geometry and theV-filtration induced by a local defining equation. These filtrations give rise to ideal sheaves called weighted Hodge ideals, which include the adjoint ideal and a multiplier ideal. We analyze their local and global properties, from which we deduce applications related to singularities of hypersurfaces of smooth varieties.