bluuebunny/crossref_metadata_2025_split huggingface dataset:
General finite-element framework of the Virtual Fields Method in Nonlinear Elasticity
Authors: Mei Yue , Liu Jiahao , Guo Xu , Zimmerman Brandon , Nguyen Thao D. , Avril Stéphane 
Published: May 2021

AbstractThis paper presents a method to derive the virtual fields for identifying constitutive model parameters using the Virtual Fields Method (VFM). The VFM is an approach to identify unknown constitutive parameters using deformation fields measured across a given volume of interest. The general principle for solving identification problems with the VFM is first to derive parametric stress field, where the stress components at any point depend on the unknown constitutive parameters, across the volume of interest from the measured deformation fields. Applying the principle of virtual work to the parametric stress fields, one can write scalar equations of the unknown parameters and solve the obtained system of equations to deduce the values of unknown parameters. However, no rules have been proposed to select the virtual fields in identification problems related to nonlinear elasticity and there are multiple strategies possible that can yield different results. In this work, we propose a systematic, robust and automatic approach to reconstruct the systems of scalar equations with the VFM. This approach is well suited to finite-element implementation and can be applied to any problem provided that full-field deformation data are available across a volume of interest. We also successfully demonstrate the feasibility of the novel approach by multiple numerical examples. Potential applications of the proposed approach are numerous in biomedical engineering where imaging techniques are commonly used to observe soft tissues and where alterations of material properties are markers of diseased states.List of symbols
Minimal functional alignment of ventromedial prefrontal cortex intracranial EEG signals during naturalistic viewing
Authors: Xie Tiankang , Cheong Jin Hyun , Manning Jeremy R. , Brandt Amanda M. , Aronson Joshua P. , Jobst Barbara C. , Bujarski Krzysztof A. , Chang Luke J. 
Published: May 2021

AbstractThe ventromedial prefrontal cortex (vmPFC) has been thought to play an important role in processing endogenous information such as generating subjective affective meaning. Unlike sensory cortex, which processes exogenous information about the external world similarly across individuals, prior work has posited that vmPFC activity may be idiosyncratic to each individual, even when exposed to the same external stimulus. In this study, we recorded local field potentials (LFPs) from intracranial stereotactic electrodes implanted in patients with intractable epilepsy while they watched an emotionally engaging television show episode and evaluated temporal synchronization of these signals across participants in auditory cortex and vmPFC. Overall, we observed markedly lower intersubject synchronization of signals recorded from electrodes implanted in vmPFC compared to auditory cortex. A subset of patients, however, appeared to share similar vmPFC states during the more emotionally salient scenes. This work suggests that the vmPFC is involved in processing affective responses to ongoing experience in a state-like manner, but the specific states and temporal sequences are idiosyncratic to each individual, even when viewing the same television episode.
Comprehensive analysis of meiosis-derived cDNA libraries reveals gene isoforms and mitochondrial proteins important for competitive fitness
Authors: Sing Tina L. , Conlon Katie , Lu Stephanie H. , Madrazo Nicole , Barker Juliet C. , Hollerer Ina , Brar Gloria A. , Sudmant Peter H. , Ünal Elçin 
Published: May 2021

ABSTRACTGametogenesis is a highly regulated and dynamic developmental program where a diploid progenitor cell differentiates into haploid gametes, the precursors for sexual reproduction. During meiosis, several pathways converge to initiate ploidy reduction and organelle remodelling to render gametes competent for zygote formation and subsequent organismal development. Additionally, meiosis inherently rejuvenates the newly formed gametes resulting in lifespan resetting. Here, we construct five stage-specific, inducible meiotic cDNA libraries that represent over 84% of the yeast genome. We employ computational strategies to detect stage-specific meiotic transcript isoforms in each library and develop a robust screening pipeline to test the effect of each cDNA on competitive fitness. Our multi-day proof-of-principle time course reveals gene isoforms that are important for competitive fitness as well as mitochondrial proteins that cause dose-dependent disruption of respiration. Together, these novel meiotic cDNA libraries provide an important resource for systematically studying meiotic genes and gene isoforms in future studies.HIGHLIGHTSConstruction of five stage-specific, inducible meiotic cDNA libraries in budding yeast that collectively represent 5563 genes, which is over 84% of the genomeAnalysis of the cDNA libraries reveal the presence of meiosis-specific transcript isoforms that are largely uncharacterizedDevelopment of a robust gain-of-function screening pipeline identifies previously characterized genes and novel gene isoforms important for competitive fitnessMulti-day proof-of-principle screen reveals mitochondrial proteins that cause dosage-specific respiration defects
Managing teaching and learning: integrating instructional and transformational leadership in South African schools context
Authors: Shava George , Heystek Jan 
Published: May 2021

PurposeThe purpose of this study was to examine the integration of instructional and transformational leadership models of leadership in sustaining quality teaching and learning in schools. The study sought to establish how principals integrate instructional and transformational leadership in enhancing learner performance.Design/methodology/approachThe study employed qualitative methods of collecting and analysing data. The principal sources of data were six face-to-face semi-structured interview questions with school principals from selected schools in rural South Africa. Qualitative evidence was collected from six principals selected through purposive sampling. The selection of participants was based on the criteria that there was evidence of employing instructional and transformational leadership.FindingsFindings from the study provided evidence that instructional and transformational leadership approaches were used to change under performing schools. There was evidence of individualised consideration and principals supporting teachers through providing rewards and motivation. It was established that principals build a school culture that promotes successful academic improvement. The study showed that the integration of instructional and transformational models of leadership leads to a climate that promotes a culture of teaching and learning.Research limitations/implicationsThe study covered six schools in South Africa. Findings from the study have implications that principals are cornerstones to achieving quality teaching and learning in schools.Practical implicationsThe study was conducted in schools that were seen to adopt instructional and transformational leadership. This study is among the most important studies that were conducted in South Africa on the role of leadership in enhancing a culture of teaching and learning.Social implicationsThe study has critical implications for policy making and influences on school leadership in general and the adoption of strategies, policies and models that can improve teaching and learning. The study highlights the importance of integrating leadership models.Originality/valueThis is an original study conducted in South Africa and data was conducted through face-to-face interviews to seek for opinions from participants in their original settings.
NFC and IoT-based electronic health card for elementary students using sensor fusion method
Authors: Basjaruddin Noor Cholis , Rifqi Fakhrudin Faris , Sudarsa Yana , Noor Fatimah 
Published: May 2021

Purpose
In the context of overcoming malnutrition in elementary school children and increasing public awareness of this issue, the Indonesian Government has created a “Card for Healthy School Children” (KMS-AS) program in the form of a paper health card. However, currently, the KMS-AS record data are still written on paper, which is less effective in terms of the health process. An integrated measuring device and an online data-recording system are needed to promote children’s health and facilitate access and transfer of data from one place to another. This study aims to develop NFC and IoT-based KMS-AS using sensor fusion method.

Design/methodology/approach
The results of this study show that an integrated measuring device for weight, height, body temperature and Spo2 level can be connected with mobile and Web applications using IoT technology, facilitating data recording and monitoring of children’s nutritional status. The sensor fusion method was used for the classification of nutritional status and health status, based on the results of measurement tools. Near field communication (NFC) technology was used to facilitate user identification when making measurements.

Findings
The results show that KMS-AS can facilitate classification of nutritional status and children's health status. Measurement and classification data can be monitored via Web and mobile applications. The accuracy of height, weight, body temperature and Spo2 measurements was 98.21%, 98.59%, 98.93% and 98.93%, respectively.

Originality/value
In this research, the authors successfully produced a system using sensor fusion method for measuring body weight, height, temperature and Spo2 level, which is integrated and can be connected to mobile applications and the Web using the IoT and NFC.
Human resource management (HRM) in the performance measurement and management (PMM) domain: a bibliometric review
Authors: Garengo Patrizia , Sardi Alberto , Nudurupati Sai Sudhakar 
Published: May 2021

PurposeThe literature highlights the key role of human resource management in developing effective organizational performance measurement and management. To understand the state of the art of this role, the paper reviews the literature on human resource management in the performance measurement and management domain.Design/methodology/approachThe paper conducts a bibliometric literature review on 1,252 articles to identify the prevailing research trends and the conceptual structure of human resource management in the performance measurement and management domain.FindingsThe study highlights a growing number of publications and four themes related to human resource management in performance measurement and management. It also underlines the shift from static to the dynamic performance measurement and management systems within organization which is expected to be more suited to current and future contexts.Practical implicationsThe paper highlights the need to manage the identified themes as strategic organizational assets and further develop the strategic dimension of human resource management practices leveraging on project management and information systems.Originality/valueThe paper goes beyond the traditional focus on performance appraisal of human resource management studies and assumes the challenge of connecting two research fields: human resource management and performance measurement and management.
Disappearing natural resources: what flowers tell us about new value chains
Authors: Carton Guillaume , Parigot Julia 
Published: May 2021

Purpose
This paper aims to question the capacity of firms embedded in global value chains to manage their natural resources in a sustainable way. Thus, it offers guidelines for more sustainable value chains.

Design/methodology/approach
While business strategies have focused on optimizing natural resource exploitation and on constructing global value chains to face sustainability issues, this study first explains why these strategies are not effective in preventing natural resource depletion. Second, it offers a model for anticipating resource depletion. The cut flower industry constitutes a central case to explain the model. Two other industry cases complement the demonstration.

Findings
To anticipate natural resource depletion and thus improve industry sustainability, firms must shift from the exploitation of endangered natural resources to the use of alternative local ones. This shift, however, encourages firms to reconstruct value chains and rethink how they create value within these new value chains. It also has an impact on firms’ growth strategy: they must replicate value chains on a local scale instead of taking part in global value chains.

Research limitations/implications
The findings rely on illustrations from the cut flower, fishing and textile fiber industries. Generalization to other industries may strengthen the argument.

Originality/value
This study offers a model of sustainable growth for firms willing to anticipate natural resource depletion by offering a shift in value chains. It consists of exploiting alternative natural resources and of rethinking the value offered to consumers. Thus, it goes against current models that merely focus on optimizing natural resource exploitation within global value chains.
Meeting you was a fake: investigating the increase in romance fraud during COVID-19
Authors: Buil-Gil David , Zeng Yongyu 
Published: May 2021

Purpose
Romance fraud refers to situations where an individual is deceived for financial gain by someone with whom the victim perceives to be in a romantic relationship. With the increase in internet use, the growth in loneliness and the increasing engagement in online dating sites during COVID-19, opportunities for romance fraud may have suffered an important increase. This paper aims to analyse changes in romance fraud, loneliness and internet use during the pandemic.

Design/methodology/approach
Data about romance fraud reported to the police in the UK, and survey data recorded by the Understanding Society longitudinal survey, are used to address our research questions. Auto regressive integrated moving average (ARIMA) modelling is used to analyse whether temporal changes observed are an effect of social changes associated with lockdown and stay-at-home orders.

Findings
The analysis shows that cyber-enabled romance fraud experienced a large increase after April 2020, which is greatly above any expected crime variation considering known pre-COVID trends. The increase in romance fraud was more abrupt among young adults than older persons. The results also indicate that only young adults experienced a significant increase in loneliness, while older adults reported a large increase in internet use during COVID.

Originality/value
To the best of the authors’ knowledge, this is a first-of-its-kind paper analysing the effect of rapid social changes on a growing type of cyber-enabled fraud. It is likely that the growth in romance fraud during COVID is due to a combined effect of an increase in internet use and growing loneliness rates experienced by many people during the pandemic.
Lower reversal limit of the European Central Bank deposit rate and sustainability of traditional banking business model
Authors: Gubareva Mariya 
Published: May 2021

Purpose
The purpose of this paper is to present an empirical analysis of the European Central Bank (ECB) deposit rate dynamics during 2014–2020, attempting to answer how deep could be cut further this rate without causing persistent yield curve inversions (YCI), i.e. lower yields for longer terms. It addresses the sustainability of the traditional banking and shows that inverted yield curves would require changing the banking-as-usual model to the government-guaranteed long-term-borrowing coupled with short-term-lending. This research poses the question of whether the banking sector should become a public utility.

Design/methodology/approach
The future scenarios of negative interest rate (NIR) behavior are modeled seeking to increase the understanding of NIR environment. Using an event-study design, empirical analyses of the ECB deposit rate cuts on the Euro Over-Night Index Average rates is performed at different maturities.

Findings
This study finds that, starting from the lower limit of 80 basis points below zero, the ECB deposit rate is likely to result in complete YCIs.

Social implications
This paper evidences that moving rates into a more negative territory is likely to be completely counterproductive for banking industry, implying that banking at such conditions would become heavily dependent on governmental support. The results shed light on the interdependence of the banking business, financial monetary policy and welfare of the society, providing policymakers with empirically defined milestones for policy implementations.

Originality/value
This paper clarifies the impact of the ECB deposit rate on the overall shape of yield curves. The novelty of this research resides in investigation of YCI by simulating NIR dynamics.
Employees as influencers: measuring employee brand equity in a social media age
Authors: Smith Donna , Jacobson Jenna , Rudkowski Janice L. 
Published: May 2021

Purpose
The practice of frontline employees articulating their brand voice and posting work-related content on social media has emerged; however, employee brand equity (EBE) research has yet to be linked to employees’ social media activity. This paper aims to take a methods-based approach to better understand employees’ roles as influencers. As such, its objective is to operationalize and apply the three EBE dimensions – brand consistent behavior, brand endorsement and brand allegiance – using Instagram data.

Design/methodology/approach
This qualitative research uses a case study of employee influencers at SoulCycle, a leading North American fitness company and examines 100 Instagram images and 100 captions from these influential employees to assess the three EBE dimensions.

Findings
Brand consistent behavior (what employees do) was the most important EBE dimension indicating that employees’ social media activities align with their employer’s values. Brand allegiance (what employees intend to do in the future) whereby employees self-identify with their employer on social media, followed. Brand endorsement (what employees say) was the least influential of the three EBE dimensions, which may indicate a higher level of perceived authenticity from a consumer perspective.

Originality/value
This research makes three contributions. First, it presents a novel measure of EBE using public Instagram data. Second, it represents a unique expansion and an evolution of King et al.’s (2012) model. Third, it considers employees’ work-related content on social media to understand employees’ role as influencers and their co-creation of EBE, which is currently an under-represented perspective in the internal branding literature.
A professional development practice to enhance principals' instructional leadership – enabling and constraining arrangements
Authors: Liljenberg Mette 
Published: May 2021

PurposeThe purpose of this paper is to increase the knowledge of principals' professional development (PD) by focusing on the arrangements that shape a PD practice initiated to enhance principals' instructional leadership.Design/methodology/approachThe paper draws on findings from a three-year PD initiative in a Swedish school district. The data consist of field notes and semi-structured interviews with principals and managers. Theoretically, the paper takes its starting point in the theory of practice architectures and the cultural-discursive, material-economic and social-political arrangements that shape practices.FindingsPractices for principals' PD require a fine balance to prevent the perception of hierarchical control. Designated time, common artifacts and external expertise are arrangements of practice that enable principals' PD. High expectations and relations between principals and managers both enable and constrain principals' PD. As trustful relations are of particular importance, the implication for managers and others organizing for principals' PD is to make sure that collaborative work settings also become a natural way of working for principals. As building relations takes time, a longer time perspective is also recommended.Practical implicationsThe findings have practical implications for educational leaders responsible for organizing PD practices for principals in any context.Originality/valueThis paper adopts a practice theory approach to its study of principals' PD and provide an elaborated illustration of arrangements that enable and constrain principals' PD in collegial settings.
A mixed-methods investigation of mental health stigma, absenteeism and presenteeism among UK postgraduate researchers
Authors: Berry Clio , Niven Jeremy E. , Chapman Laura A. , Valeix Sophie , Roberts Paul E. , Hazell Cassie Marie 
Published: May 2021

Purpose
Postgraduate researchers (PGRs) appear to be particularly vulnerable to mental health problems. Mental health-related stigma and discrimination may be endemic within universities, creating a threatening environment that undermines PGRs’ health and well-being. These environmental characteristics may increase PGRs’ absenteeism and presenteeism, attendance behaviours that have great personal and institutional consequences. The study of this issue, however, has been limited to date.

Design/methodology/approach
This was a mixed methods psychological study using cross-sectional data provided by 3,352 UK-based PGRs. Data were collected in a new national survey (U-DOC) led by a British University in 2018–2019. We used structural equation modelling techniques to test associations between workplace mental health-related stigma and discrimination, presenteeism, absenteeism and demographic characteristics. The authors analysed qualitative survey data with framework analysis to deductively and inductively explore associations between workplace culture, stigma and discrimination, and attendance behaviours.

Findings
The authors found that some PGRs report positive perceptions and experiences of the academic mental health-related workplace culture. However, experiences of mental health stigma and discrimination appear widespread. Both quantitative and qualitative results show that experiences of mental health-related stigma are associated with greater absenteeism and presenteeism. People with mental health problems appear especially vulnerable to experiencing stigma and its impacts.

Practical implications
Key implications include recommendations for universities to improve support for PGR mental health, and to encourage taking annual leave and necessary sickness absences, by providing a more inclusive environment with enhanced mental health service provision and training for faculty and administrative staff.

Originality/value
This study presents the first large-scale survey of PGR experiences of mental health-related stigma and discrimination, and their associations with absenteeism and presenteeism.