bluuebunny/crossref_metadata_2025_split huggingface dataset:
Metastasiertes Plattenepithelkarzinom auf einem Ulkus bei Graft-versus-Host-Disease nach allogener Stammzelltransplantation
Authors: Hobelsberger S. , Meier F. , Beissert S. , Abraham S. 
Published: January 2022

ZusammenfassungWir berichten über einen 48-jährigen multimorbiden Patienten, der vor 26 Jahren eine allogene Knochenmarktransplantation aufgrund einer chronischen myeloischen Leukämie erhielt; 24 Jahre lang litt der Patient an einer sklerodermiformen chronischen Graft-versus-Host-Disease (GVHD) der Haut und der Lunge mit partieller Lungenresektion und immunsuppressiver Therapie. An den Unterschenkeln entwickelten sich rezidivierende Ulzerationen an den von der kutanen GVHD betroffenen Stellen. Der Patient stellte sich mit einem größenprogredienten Ulkus mit Therapieresistenz in unserer Klinik vor. Histologisch konnte ein Plattenepithelkarzinom diagnostiziert werden. Die Magnetresonanztomographie zeigte eine Knochenbeteiligung und eine kutane In-Transit-Metastase, und die Computertomographie ergab eine Metastase im Os sacrum. Bevor die Therapie eingeleitet wurde, verstarb der Patient plötzlich an den Folgen seiner Vorerkrankungen. Die Entwicklung einer kutanen GVHD ist häufig bei Patienten mit allogener Stammzelltransplantation. Hierbei ist das Risiko für die Entwicklung von Plattenepithelkarzinomen erhöht. Patienten sollten unter engmaschiger dermatologischer Kontrolle stehen. Bei Verdacht auf ein Plattenepithelkarzinom bei vorbestehender GVHD sollte zeitnah eine bioptische Sicherung erfolgen, um das Risiko einer Metastasierung zu senken.
Starkregenereignisse und ihre Auswirkungen auf das Einsatzgeschehen der Feuerwehr – Das Fallbeispiel Wuppertal
Authors: Wischott Valerie , Leuchner Michael 
Published: January 2022

ZusammenfassungStarkregen ist schwer vorhersagbar und geht deshalb oft mit schwerwiegenden Folgen in den Siedlungsräumen einher. Die Bewältigung von Schadenslagen erfolgt durch die Feuerwehr als eine der tätigen Organisationen im Bevölkerungsschutz, die bei solchen Ereignissen einer großen Einsatzbelastung ausgesetzt ist. Dieser Beitrag befasst sich mit der Frage, welche Auswirkungen Starkregenereignisse auf das Einsatzgeschehen der Feuerwehr Wuppertal haben und welche meteorologischen und nichtmeteorologischen Einflussfaktoren sich auf dieses auswirken. Dies wurde anhand von kartografischen Raum- und einfachen Korrelationsanalysen sowie 2 Befragungen für das Fallstudiengebiet untersucht. Es konnte ein Zusammenhang zu Versiegelungsgrad, Bevölkerungszahl und Topografie gefunden werden. Zu meteorologischen Faktoren wie Niederschlagshöhe konnte kein eindeutiger Zusammenhang identifiziert werden. Die Ergebnisse deuten auf ein Zusammenwirken unterschiedlicher Einflussfaktoren hin. Dies soll zum Anlass genommen werden, den Einfluss relevanter Faktoren weiterführend zu untersuchen sowie die gewonnenen Erkenntnisse in den praktischen Umgang mit der Starkregenthematik zu integrieren.
Deep learning versus iterative image reconstruction algorithm for head CT in trauma
Authors: Alagic Zlatan , Diaz Cardenas Jacqueline , Halldorsson Kolbeinn , Grozman Vitali , Wallgren Stig , Suzuki Chikako , Helmenkamp Johan , Koskinen Seppo K. 
Published: January 2022

Abstract
Purpose
To compare the image quality between a deep learning–based image reconstruction algorithm (DLIR) and an adaptive statistical iterative reconstruction algorithm (ASiR-V) in noncontrast trauma head CT.

Methods
Head CT scans from 94 consecutive trauma patients were included. Images were reconstructed with ASiR-V 50% and the DLIR strengths: low (DLIR-L), medium (DLIR-M), and high (DLIR-H). The image quality was assessed quantitatively and qualitatively and compared between the different reconstruction algorithms. Inter-reader agreement was assessed by weighted kappa.

Results
DLIR-M and DLIR-H demonstrated lower image noise (p < 0.001 for all pairwise comparisons), higher SNR of up to 82.9% (p < 0.001), and higher CNR of up to 53.3% (p < 0.001) compared to ASiR-V. DLIR-H outperformed other DLIR strengths (p ranging from < 0.001 to 0.016). DLIR-M outperformed DLIR-L (p < 0.001) and ASiR-V (p < 0.001). The distribution of reader scores for DLIR-M and DLIR-H shifted towards higher scores compared to DLIR-L and ASiR-V. There was a tendency towards higher scores with increasing DLIR strengths. There were fewer non-diagnostic CT series for DLIR-M and DLIR-H compared to ASiR-V and DLIR-L. No images were graded as non-diagnostic for DLIR-H regarding intracranial hemorrhage. The inter-reader agreement was fair-good between the second most and the less experienced reader, poor-moderate between the most and the less experienced reader, and poor-fair between the most and the second most experienced reader.

Conclusion
The image quality of trauma head CT series reconstructed with DLIR outperformed those reconstructed with ASiR-V. In particular, DLIR-M and DLIR-H demonstrated significantly improved image quality and fewer non-diagnostic images. The improvement in qualitative image quality was greater for the second most and the less experienced readers compared to the most experienced reader.
Measuring language ability of students with compensatory multidimensional CAT: A post-hoc simulation study
Authors: Ozdemir Burhanettin , Gelbal Selahattin 
Published: January 2022

AbstractThe computerized adaptive tests (CAT) apply an adaptive process in which the items are tailored to individuals' ability scores. The multidimensional CAT (MCAT) designs differ in terms of different item selection, ability estimation, and termination methods being used. This study aims at investigating the performance of the MCAT designs used to measure the language ability of students and to compare the results of MCAT designs with the outcomes of corresponding paper–pencil tests. For this purpose, items in the English Proficiency Tests (EPT) were used to create a multi-dimensional item pool that consists of 599 items. The performance of the MCAT designs was evaluated and compared based on the reliability coefficients, root means square error (RMSE), test-length, and root means squared difference (RMSD) statistics, respectively. Therefore, 36 different conditions were investigated in total. The results of the post-hoc simulation designs indicate that the MCAT designs with the A-optimality item selection method outperformed MCAT designs with other item selection methods by decreasing the test length and RMSD values without any sacrifice in test reliability. Additionally, the best error variance stopping rule for each MCAT algorithm with A-optimality item selection could be considered as 0.25 with 27.9 average test length and 30 items for the fixed test-length stopping rule for the Bayesian MAP method. Overall, MCAT designs tend to decrease the test length by 60 to 65 percent and provide ability estimations with higher precision compared to the traditional paper–pencil tests with 65 to 75 items. Therefore, it is suggested to use the A-optimality method for item selection and the Bayesian MAP method for ability estimation for the MCAT designs since the MCAT algorithm with these specifications shows better performance than others.
Inter-team communication in large-scale co-located software engineering: a case study
Authors: Bjarnason Elizabeth , Gislason Bern Baldvin , Svedberg Linda 
Published: January 2022

AbstractLarge-scale software engineering is a collaborative effort where teams need to communicate to develop software products. Managers face the challenge of how to organise work to facilitate necessary communication between teams and individuals. This includes a range of decisions from distributing work over teams located in multiple buildings and sites, through work processes and tools for coordinating work, to softer issues including ensuring well-functioning teams. In this case study, we focus on inter-team communication by considering geographical, cognitive and psychological distances between teams, and factors and strategies that can affect this communication. Data was collected for ten test teams within a large development organisation, in two main phases: (1) measuring cognitive and psychological distance between teams using interactive posters, and (2) five focus group sessions where the obtained distance measurements were discussed. We present ten factors and five strategies, and how these relate to inter-team communication. We see three types of arenas that facilitate inter-team communication, namely physical, virtual and organisational arenas. Our findings can support managers in assessing and improving communication within large development organisations. In addition, the findings can provide insights into factors that may explain the challenges of scaling development organisations, in particular agile organisations that place a large emphasis on direct communication over written documentation.
Planetary polar explorer – the case for a next-generation remote sensing mission to low Mars orbit
Authors: Oberst Jürgen , Wickhusen Kai , Gwinner Klaus , Hauber Ernst , Stark Alexander , Elgner Stephan , Grott Matthias , Fanara Lida , Hussmann Hauke , Steinbrügge Gregor , Lewis Stephen , Balme Matthew , Maugeri Maurizio , Diolaiuti Guglielmina , Karlsson Nanna , Johnsson Andreas , Ivanov Anton , Hiesinger Harald 
Published: January 2022

Abstract
We propose the exploration of polar areas on Mars by a next-generation orbiter mission. In particular, we aim at studying the seasonal and regional variations in snow-deposits, which – in combination with measurements of temporal variations in rotation and gravity field – will improve models of the global planetary CO2 cycle. A monitoring of polar scarps for rock falls and avalanche events may provide insights into the dynamics of ice sheets. The mapping of the complex layering of polar deposits, believed to contain an important record of climate history, may help us understand the early climate collapse on the planet. Hence, we propose an innovative next-generation exploration mission in polar circular Low Mars Orbit, which will be of interest to scientists and challenging to engineers alike. Schemes will be developed to overcome atmosphere drag forces acting upon the spacecraft by an electric propulsion system. Based on the experience of missions of similar type in Earth orbit we believe that a two-year mission in circular orbit is possible at altitudes as low as 150 km. Such a mission opens new opportunities for novel remote sensing approaches, not requiring excessive telescope equipment or power. We anticipate precision altimetry, powerful radars, high-resolution imaging, and magnetic field mapping.
Raising Children in the Context of Rapid Social Change: Parenting Self-Efficacy of South Korean Mothers
Authors: Curtis Kaley N. , Nagase Ayumi , Kim Soojung , Holloway Susan D. 
Published: January 2022

AbstractGiven recent sociocultural and economic changes that have created significant pressures on South Korean mothers, we were interested in understanding the factors that might contribute to their sense of competence in taking on the challenges of childrearing. We examined several family conditions theoretically supportive of mothers’ parenting self-efficacy (PSE), specifically whether mothers’ PSE was associated with their marital satisfaction and with their children’s competence (social and academic). We then examined whether PSE was related to life stress, as well as whether life stress moderated the relationship of PSE to the proximal marital and child variables. Participants included 234 South Korean mothers of pre-primary-aged children. Mothers completed a survey reporting on PSE, life stress, and marital satisfaction. Teachers provided ratings of children’s competence. Regression analyses indicated that mothers who experienced lower life stress reported higher PSE after controlling for sociodemographic characteristics. Neither marital satisfaction nor child competence was associated with PSE. A second set of regressions tested the same set of predictors, in addition to the interactions of life stress with marital satisfaction and of life stress with child competence. Results indicated that for mothers reporting lower life stress, greater marital satisfaction was associated with higher PSE. Unexpectedly, for mothers experiencing higher life stress, lower marital satisfaction was associated with higher PSE. These findings support theoretical formulations linking PSE with marital support and life stress, while suggesting a need to further investigate the association among these factors in a variety of situational contexts, particularly those that are appraised as stressful.
eGHWT: The Extended Generalized Haar–Walsh Transform
Authors: Saito Naoki , Shao Yiqun 
Published: January 2022

AbstractExtending computational harmonic analysis tools from the classical setting of regular lattices to the more general setting of graphs and networks is very important, and much research has been done recently. The generalized Haar–Walsh transform (GHWT) developed by Irion and Saito (2014) is a multiscale transform for signals on graphs, which is a generalization of the classical Haar and Walsh–Hadamard transforms. We propose the extended generalized Haar–Walsh transform (eGHWT), which is a generalization of the adapted time–frequency tilings of Thiele and Villemoes (1996). The eGHWT examines not only the efficiency of graph-domain partitions but also that of “sequency-domain” partitions simultaneously. Consequently, the eGHWT and its associated best-basis selection algorithm for graph signals significantly improve the performance of the previous GHWT with the similar computational cost, $$O(N \log N)$$

O
(
N
log
N
)

, where N is the number of nodes of an input graph. While the GHWT best-basis algorithm seeks the most suitable orthonormal basis for a given task among more than $$(1.5)^N$$

(
1.5
)

N

possible orthonormal bases in $$\mathbb {R}^N$$

R

N

, the eGHWT best-basis algorithm can find a better one by searching through more than $$0.618\cdot (1.84)^N$$

0.618
·

(
1.84
)

N

possible orthonormal bases in $$\mathbb {R}^N$$

R

N

. This article describes the details of the eGHWT best-basis algorithm and demonstrates its superiority using several examples including genuine graph signals as well as conventional digital images viewed as graph signals. Furthermore, we also show how the eGHWT can be extended to 2D signals and matrix-form data by viewing them as a tensor product of graphs generated from their columns and rows and demonstrate its effectiveness on applications such as image approximation.
Zeptometer Metrology Using the Casimir Effect
Authors: Javor Joshua , Imboden Matthias , Stange Alexander , Yao Zhancheng , Campbell David K. , Bishop David J. 
Published: January 2022

AbstractIn this paper, we discuss using the Casimir force in conjunction with a MEMS parametric amplifier to construct a quantum displacement amplifier. Such a mechanical amplifier converts DC displacements into much larger AC oscillations via the quantum gain of the system which, in some cases, can be a factor of a million or more. This would allow one to build chip scale metrology systems with zeptometer positional resolution. This approach leverages quantum fluctuations to build a device with a sensitivity that can’t be obtained with classical systems.
Bus ridership and its determinants in Beijing: A spatial econometric perspective
Authors: Wang Jiaoe , Li Yanan , Jiao Jingjuan , Jin Haitao , Du Fangye 
Published: January 2022

AbstractUnderstanding the temporal and spatial dynamics and determinants of public transport ridership play an important role in urban planning. Previous studies have focused on exploring the determinants at the station level using global models, or a local model, geographically weighted regression (GWR), which cannot reveal spatial autocorrelation at the global level. This study explores the factors affecting bus ridership considering spatial autocorrelation using the spatial Durbin model (SDM). Taking the community in Beijing as the basic study unit, this study aims to explore the temporal and spatial dynamics of bus ridership and identify its key determinants considering neighboring effects. The results show the following: (1) The temporal dynamics are quite distinct on weekdays and weekends as well as at different time slots of the day. (2) The spatial patterns of bus ridership varied across different time slots, and the hot areas are mainly located near the central business district (CBD), transport hubs, and residential areas. (3) Key determinants of bus ridership varied across weekends and weekdays and varied at different time slots per day. (4) The spatial neighboring effects had been verified. This study provides a common analytical framework for analyzing the spatiotemporal dynamics and determinants of bus ridership at the community level.
Preschool predictors of learning to read and spell in an additional language: a two-wave longitudinal study in a multilingual context
Authors: Wealer Cyril , Fricke Silke , Loff Ariana , Engel de Abreu Pascale M. J. 
Published: January 2022

AbstractThe study explores whether foundational skills of reading and spelling in preschool (age 5–6) predict literacy skills cross-linguistically in an additional language in Grade 1 (age 6–7). A sample of linguistically diverse preschool children completed tasks of phonological awareness, letter-sound knowledge, verbal-short term memory, rapid automatized naming, and lexical knowledge in the language of preschool instruction Luxembourgish. The children were followed-up in Grade 1 where literacy skills were assessed in the language of schooling, i.e., German, after five months of literacy instruction. German was a non-native language for all children. Longitudinal correlations confirm that individual differences in single word/pseudoword reading and spelling in German in Grade 1 can be predicted by all the foundational literacy skills that were assessed in Luxembourgish. Path analyses showed that phonological awareness in Luxembourgish emerged as the strongest unique predictor of Grade 1 literacy skills in German. The second unique preschool predictor of Grade 1 literacy skills was letter-sound knowledge. Results are consistent with the view that literacy development in an additional language builds upon similar building blocks as literacy acquisition in a first language, at least for languages that are typologically close. However, current findings suggest that respective contributions between predictors and literacy skills in children learning to read in an additional language may vary from patterns observed in studies with children acquiring literacy in their first language.
Wer Wissen hat, hat Autorität?
Authors: Prigge Jessica , Schildknecht Lukas 
Published: January 2022

ZusammenfassungWissen ist in der modernen Sozialpädagogik in besonderem Maße mit Ungewissheiten konfrontiert, die jenseits bloßer Informationen liegen. In diesem den Themenschwerpunkt einleitenden Beitrag werden Herausforderungen auch am Beispiel der Pandemie veranschaulicht um dafür zu plädieren, dass eine steigende Komplexität nicht dazu führen muss und darf, Wissen in der Sozialpädagogik als ausschließlich relativ und willkürlich anzusehen. Auch anhand der Beiträge wird in verschiedenen Handlungsfeldern und -logiken das Besondere im Verhältnis von Wissen und Nicht-Wissen aufgezeigt, so dass vielmehr eine reflexive Arbeit mit den jeweiligen Wissensformen notwendig wird.
Coastal Vegetation and Bathymetry Influence Blue Crab Abundance Across Spatial Scales
Authors: Cheng Selina L. , Tedford Kinsey N. , Smith Rachel S. , Hardison Sean , Cornish Michael R. , Castorani Max C. N. 
Published: January 2022

AbstractBlue crabs (Callinectes sapidus) are highly mobile, ecologically-important mesopredators that support multimillion-dollar fisheries along the western Atlantic Ocean. Understanding how blue crabs respond to coastal landscape change is integral to conservation and management, but such insights have been limited to a narrow range of habitats and spatial scales. We examined how local-scale to landscape-scale habitat characteristics and bathymetric features (channels and oceanic inlets) affect the relative abundance (catch per unit effort, CPUE) of adult blue crabs across a > 33 km2 seagrass landscape in coastal Virginia, USA. We found that crab CPUE was 1.7 × higher in sparse (versus dense) seagrass, 2.4 × higher at sites farther from (versus nearer to) salt marshes, and unaffected by proximity to oyster reefs. The probability that a trapped crab was female was 5.1 × higher in sparse seagrass and 8 × higher near deep channels. The probability of a female crab being gravid was 2.8 × higher near seagrass meadow edges and 3.3 × higher near deep channels. Moreover, the likelihood of a gravid female having mature eggs was 16 × greater in sparse seagrass and 32 × greater near oceanic inlets. Overall, we discovered that adult blue crab CPUE is influenced by seagrass, salt marsh, and bathymetric features on scales from meters to kilometers, and that habitat associations depend on sex and reproductive stage. Hence, accelerating changes to coastal geomorphology and vegetation will likely alter the abundance and distribution of adult blue crabs, challenging marine spatial planning and ecosystem-based fisheries management.
The Synthetic Scaffolds for Ventral Hernia Repair: Perspectives for Regenerative Surgery—Systematic Review
Authors: Licari Leo , Viola Simona , Salamone Giuseppe 
Published: January 2022

Abstract
Ventral hernia (VH) frequently affects patients after abdominal surgery. The use of a mesh is often recommended. Different materials are described, from synthetic non-resorbable meshes to biological meshes. New generation meshes, also named scaffolds, aim to combine the advantages of both materials. The aim of this review is to provide an overview of the cytological, histological, biomechanical, and clinical outcomes of the use of the newest resorbable synthetic scaffolds in VH repair, based on experimental studies in a pre-clinical setting. A systematic review was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and to the Assessing the Methodological Quality of Systematic Reviews (AMSTAR) guidelines. Only experimental studies were included. Outcome parameters were building technique, in vitro cytocompatibility, in vivo histocompatibility, biomechanical analysis, and clinical outcomes. The articles included were nine. The total number of cases treated was 257. Materials analyzed included electrospun silk fibroin (SF)/poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) hybrid scaffolds, biodegradable polyester poly-ε-caprolactone (PCL) in the form of nanofibers, biodegradable mesh in poly-4-hydroxybutyrate (P4HB), nanofibrous polylactic acid (PLA) scaffold with a polypropylene (PP) material to generate a sandwich-like mesh, the collagen sponge (CS) group, the hybrid scaffold (HS) containing CS and poly-L-lactide (PLLA), and the hybrid scaffold (HS) + bone marrow (HSBM). Resorbable synthetic scaffolds are new, safe, surgical materials for the treatment or prevention of ventral hernia in animal models. Scaffolds should be tested in a contaminated surgical field for emergency use. Rigorous schematic indications for data collection are needed to improve the quality of the data in order to definitively clarify the pathway involved in inflammatory induced response.