bluuebunny/crossref_metadata_2025_split huggingface dataset:
Signatures of introgression across the allele frequency spectrum
Authors: Martin Simon H. , Amos William 
Published: July 2020

ABSTRCTThe detection of introgression from genomic data is transforming our view of species and the origins of adaptive variation. Among the most widely used approaches to detect introgression is the so-called ABBA BABA test orDstatistic, which identifies excess allele sharing between non-sister taxa. Part of the appeal ofDis its simplicity, but this also limits its informativeness, particularly about the timing and direction of introgression. Here we present a simple extension,Dfrequency spectrum orDFS, in whichDis partitioned according to the frequencies of derived alleles. We use simulations over a large parameter space to show howDFScaries information about various factors. In particular, recent introgression reliably leads to a peak inDFSamong low-frequency derived alleles, whereas violation of model assumptions can lead to a lack of signal at low-frequencies. We also reanalyse published empirical data from six different animal and plant taxa, and interpret the results in the light of our simulations, showing howDFSprovides novel insights. We currently seeDFSas a descriptive tool that will augment both simple and sophisticated tests for introgression, but in the future it may be usefully incorporated into probabilistic inference frameworks.
HMSIW based highly selective filter for radar applications
Authors: Mahant Keyur , Mewada Hiren K. , Patel Amit V. , Vala Alpesh , Chaudhari Jitendra 
Published: July 2020

Purpose
This paper aims to present, design and implement a novel half-mode substrate integrated waveguide (HMSIW)-based narrow bandpass filter, which offers advantages like low insertion loss, compact size and high selectivity. Proposed filter will be used in the K-band automotive radar application.

Design/methodology/approach
The filtering response in the proposed design is achieved by inserting inductive posts in the HMSIW cavity. Ansoft high frequency structure Simulator (HFSS) is used for the simulation of the proposed structure, which is a three-dimensional full-wave solver using the finite element method (FEM). The proposed filter is fabricated on the dielectric material RT duroid 5,880 with the dielectric constant ɛr = 2.2, dissipation factor t and = 4 × 10–4 and height h = 0.508 mm.

Findings
Frequency tuning is also carried out by changing the lateral distance between two inductive posts. Moreover, a comparison of the proposed structure with the previously published work is presented. Proposed method provides the unique advantages such as low insertion loss, high selectivity and compact in size.

Originality/value
Indigenous method has been used for the development of the filter. Proposed filter will be used in transmitter subsystem of the K-band radar system operating at the center frequency of 11.2 GHz. Measurement results are well-matched with the simulated one. Obtained measured result shows return loss of 20.39 dB and insertion loss of 1.59 dB with 3 dB fractional bandwidth (FBW) of 2.58% at the center frequency of 11.2 GHz.
BIM in the water industry: addressing challenges to improve the project delivery process
Authors: Kamunda Andrew , Renukappa Suresh , Suresh Subashini , Jallow Haddy 
Published: July 2020

PurposeThe UK water industry is a private sector that has no government mandate to implement building information modelling (BIM) but would benefit from its use. Research has identified that fragmentation and inefficiency still existed in the water industry project delivery processes. These issues can be addressed by harnessing the collaboration that BIM brings by using emerging information technology. The UK water industry has had little research in the use of BIM in the project delivery processes over the years.Design/methodology/approachThe aim of the research is to explore and examine BIM elements currently used in the water industry, as well as understand the organisational cultural support for BIM. It also investigated the adoption of BIM which will enable to improve water industry project delivery processes. An empirical study was performed in the UK given the relatively new and unexplored nature of the research problem, a qualitative research methodology was adopted. In total, 14 semi-structured interviews from six water sector organisations were conducted to collect data, which was then analysed using thematic analysis for inference and conclusion.FindingsThe study identified that BIM has already changed how projects are delivered by the water companies and their supply chain. Use of emerging technology such as Autodesk Revit, Civil 3D and virtual reality has gained traction and is leading organisations to continue investing in these areas to remain relevant. Although staff training was offered by all organisations within the study cohort, some interviews still thought that more can be done by their organisations as BIM is still maturing. Those interviewed regarded BIM models as data and information rich with the ability to enable the supply chain to obtain quicker approvals.Originality/valueThe paper provides a richer insight into the understanding and awareness of BIM elements used in the water industry to improve project delivery processes. This study suggests that the water industry supply chain has taken positive steps and started to benefit from BIM use. It also recommends that there is a need for cross-sector collaboration to capture and share best and worst practices relating to BIM adoption in the water sector.
The impact of relational governance on the adaptability of international contractors: a comparative study between China and Korea
Authors: Lin Yi-Hsin , Guo Yanzhe , Kim Chan-Joong , Chen Po-Han , Qian Mingwei 
Published: July 2020

PurposeIn the process of undertaking overseas construction projects, relational governance has become indispensable for project stakeholders. This study examines how relational governance influences contractors' adaptability to foreign situations and whether such associations are positively moderated by international environmental complexity.Design/methodology/approachA crosssectional survey methodology was applied to collect primary data through questionnaires sent to domestic contractors in China and South Korea (hereafter Korea). Multiple regression analysis was used to test the effects of four dimensions of relational governance on contractor adaptability. Thereafter, the Chinese and Korean subsamples were tested separately through moderated regression analysis to explore differences in the influence of relational governance on adaptability.FindingsThe results showed that quality communication, favor exchange and establishing an emotional relationship significantly and positively affected a contractor’s adaptability. However, there were significant differences between the Chinese and Korean international contractors in terms of the moderating effects of international environment complexity.Research limitations/implicationsEast Asian engagement in international development is not limited to China and Korea alone, and the study should be replicated using large representative samples from more countries, such as Japan, to gain a fuller understanding of the influence of relational governance.Originality/valueThe results have great significance for the managers of international contractors in East Asian countries and contribute to the research on relational governance and contractor adaptability.
Multicharacteristics optimization of electrical discharge micro hole drilling in Mg alloy using hybrid approach of GRA–regression–PSO
Authors: Ahuja Neeraj , Batra Uma , Kumar Kamal 
Published: July 2020

PurposeMagnesium alloys are becoming prominent as an alternative to the permanent biomedical implants. In present work, electric discharge drilling (EDD) process has been investigated and optimized for ZM21 Mg alloy that can be used for producing perforated bone implants having geometrically precise micro holes.Design/methodology/approachPlanning of experiments has been carried out in accordance to the Taguchi mixed L18 orthogonal array (OA). The hole overcut (HO), circularity at entrance (Cent) and circularity at exit (Cext) of drilled micro holes were measured as response characteristics during experimentation corresponding to different settings of EDD input parameters. For optimizing multiresponse characteristics, the hybrid approach of grey relational analysis, regression analysis and particle swarm optimization has been implemented.FindingsIt is found from hybrid approach that brass electrode along with Ip; 3 Amp, Ton; 50 µs and Toff; 52 µs outperformed over all other parametric settings against the collective result of response characteristics. The experimental values of response characteristics at suggested optimized setting are HO: 93.48 µm; Cent: 0.988 and Cext: 0.992, respectively.Originality/valueThe optimization of EDD process for developing perforated Mg alloy bone implants, using hybrid approach is still missing.
Understanding and supporting safe walking with purpose among people living with dementia in extra care, retirement and domestic housing
Authors: Barrett Julia , Evans Simon , Pritchard-Wilkes Vanessa 
Published: July 2020

PurposeThe purpose this paper is to explore walking with purpose in extra care, retirement and domestic housing settings to better understand and support people living with dementia in these settings, develop recommendations and inform practice.Design/methodology/approachA mixed-methods study was used: scoping literature review; online survey of extra care and retirement housing managers in the UK; case studies involving interviews with staff and family carers (n= 14) of ten individuals who engaged in walking with purpose in the different housing settings.FindingsAlthough residents who walk with purpose constitute a minority (0–2 residents), managing walking with purpose can be challenging and time consuming. Distraction or redirection was the most common response. Other strategies included identifying the resident’s motivations and accommodating their wishes or walking with them. Culture of care, staff training and dementia-friendly design are keys to effective support for safe walking with purpose. Responses to walking with purpose in the domestic housing settings have raised serious deprivation of liberty issues.Research limitations/implicationsThis study had a number of limitations. The completed survey questionnaires represent a self-selected sample of extra care and retirement housing settings, and responses are based on the perceptions of the staff members completing the survey. There were a relatively small number of case study sites (three extra care housing and three retirement housing), and it was not possible to interview family members for all of the residents who walked with purpose.Originality/valueThis study provides unique data on walking with purpose in extra care and retirement housing setting in the UK.
Neighborhood effects of housing program using Jeonse in Korea
Authors: Yun Sungjin 
Published: July 2020

Purpose
This study aims to introduce the Youth Jeonse Rental Housing Program using the unique characteristics of the Korean housing market to explain its theoretical value in the current theoretical landscape of public housing and to identify the effect of the program on the regional housing price.

Design/methodology/approach
This study uses three hedonic price models on the basis of Korea’s housing market, namely, own, jeonse and rent models. Moreover, it uses the hierarchical linear model to include both house- and region-level variables.

Findings
Analysis shows that youth rental housing has no effect on falling prices in the region unlike long-term rental housing. Thus, the policies using regional tenure system are more effective in the social mix than existing public housing policies.

Originality/value
This study introduces the program using Korea’s unique tenure system called jeonse, arguing its advantages for the supplier, recipients and regional neighborhoods. Suppliers can easily provide affordable housing at a low economic and administrative cost, whereas recipients can easily mix socially, have broad housing choices and a fighting chance for a stable life. Additionally, this policy has a low negative impact on the region. Furthermore, this study theoretically presents the potential for mixed paths other than demand or supply policies. It introduces and analyzes special policy objectives for youth housing problems.
Product quality information in supply chains: a performance-linked conceptual framework applied to the Australian red meat industry
Authors: Zhang Yue , Baker Derek , Griffith Garry 
Published: July 2020

PurposeThis paper aims to address the association between the quality and quantity of information in supply chains and the costs and benefits of generating, using and sharing it.Design/methodology/approachThe authors’ conceptual framework draws on multiple disciplines and theories of the value and use of product information. Controllable aspects of information, its quality and quantity, are the focus of the study as drivers of firm and chain performance. Structural equation models of constructs at two stages of the Australian red meat supply chain are employed, using data from a survey of 81 sheep and cattle breeders and commercial producers.FindingsInformation quality influences performance more for some product attributes than others and is more influential than is information quantity. Information sharing for many attributes generates benefits only at high cost. Investment in measurement and transmission technologies is supported for intrinsic and extrinsic measures of quality. Differences in respondents' evaluation of information quality are interpreted as evidence of persistent chain failure.Originality/valueTo the authors' knowledge, this is the first attempt at quantifying and comparing the benefits and costs of information sharing across multiple stages of a supply chain and the first to assess quantitatively the role played by information quality and quantity in generating costs and benefits.
A tale of two emerging market economies: evidence from payout smoothing in China and Taiwan
Authors: Hoang Edward C. , Hoxha Indrit 
Published: July 2020

PurposeThe purpose of this paper is to investigate payout smoothing in two emerging markets – China and Taiwan. The authors conduct a comparative study of two emerging market economies that have common cultural and historical characteristics but have experienced different government systems and different approach to the market-based system.Design/methodology/approachThe authors collect firm-level data from Standard and Poor's Compustat Global database, which covers 5,298 public firms in China and Taiwan during the period 1996–2015, and use a variance decomposition methodology to estimate the smoothness of corporate payout in a common empirical framework that includes net income, and debt and investment policies.FindingsOverall, the empirical findings support recently proposed theories of joint determination of corporate payout behavior with debt and investment policies. The authors find that debt and investment policies absorb the majority of shocks to net income, and that debt policy is the main shock absorber. Furthermore, the authors show that firms in China follow a similar strategy with their counterparts in United States and smooth their payout. In contrast to firms in China and US, the payout of the Taiwanese firms is relatively highly sensitive to net income shocks.Originality/valueTo the best of authors’ knowledge, this study is the first to use a joint model to empirically investigate the extent to which debt and investment policies are used to keep corporate payout smooth in emerging markets.
Maintaining stability while boosting growth? The long-term impact of environmental accreditations on firms' financial risk and sales growth
Authors: Ye Yuxiao , Yeung Andy C.L. , Huo Baofeng 
Published: July 2020

PurposeIn this research, we examine the impact of ISO 14001, an international environmental management accreditation, on the long-term financial risk and sales growth of firms.Design/methodology/approachWe employ a quasi-experimental design and construct 682 treated and control firms that are matched using propensity score matching. We then test our hypotheses using the difference in difference model.FindingsWe find that, although ISO 14001 leads to lower financial risk, standard management systems such as ISO 14001 actually hinder the sales growth of firms, an unanticipated outcome. In particular, this trade-off worsens over time, becoming particularly more severe among firms that adopt ISO 14001 early and operate in less-polluting industries.Research limitations/implicationsWe present a hidden side of environmental accreditations, indicating a potential trade-off in the long-term efficacy of environmental standard management systems.Practical implicationsFirms must be cautious about adopting environmental management systems. Over time, a focus on environmental certification could potentially hinder firms' long-term growth. Firms should also be aware of certification timing and levels of industry pollution to resolve the tension in the trade-off.Originality/valueThis research is one of the first studies demonstrating that environmental accreditations result in a trade-off between reducing financial risk and improving sales growth.
Innovativeness and lean practices for triple bottom line: testing of fit-as-mediation versus fit-as-moderation models
Authors: Yu Wantao , Chavez Roberto , Jacobs Mark , Wong Chee Yew 
Published: July 2020

PurposeThe purpose of this paper is to examine whether the fit between innovativeness and lean practices (LPs) can affect triple bottom line (TBL) performance. Two types of fit are tested: fit-as-mediation in which innovativeness creates TBL performance through the mediation of LPs and fit-as-moderation whereby the effects of innovativeness on TBL performance are moderated by LPs.Design/methodology/approachStructural equation modelling and moderated regression are used to test the fit-as-mediation and fit-as-moderation models using survey data collected from 241 manufacturers in China.FindingsThe results show that innovativeness is positively associated with LPs that emphasize operational excellence. Innovativeness indirectly affects all three TBL dimensions through the mediation of LPs, and LPs do not moderate the effects of innovativeness. The applicability of fit-as-mediation model suggests directing attention towards integrating innovation and LPs within same organizational units to achieve improved TBL performance.Practical implicationsThe findings suggest manufacturers should involve employees within the same organizational unit embrace an integrated culture of innovativeness and LPs and avoid separate attention to innovativeness and LPs.Originality/valueThis is the first study of which the authors are aware developing and empirically testing both fit-as-mediation and fit-as-moderation models within the same study to understand how innovativeness and LPs work together to influence TBL performance. This study extends the boundaries of current understanding by examining how, when and why the innovativeness – LPs–TBL relationship arises between constructs central to our theories.
An elephant herd grey wolf optimization (EHGWO) algorithm for load balancing in cloud
Authors: Arora Pooja , Dixit Anurag 
Published: July 2020

Purpose
The advancements in the cloud computing has gained the attention of several researchers to provide on-demand network access to users with shared resources. Cloud computing is important a research direction that can provide platforms and softwares to clients using internet. However, handling huge number of tasks in cloud infrastructure is a complicated task. Thus, it needs a load balancing (LB) method for allocating tasks to virtual machines (VMs) without influencing system performance. This paper aims to develop a technique for LB in cloud using optimization algorithms.

Design/methodology/approach
This paper proposes a hybrid optimization technique, named elephant herding-based grey wolf optimizer (EHGWO), in the cloud computing model for LB by determining the optimal VMs for executing the reallocated tasks. The proposed EHGWO is derived by incorporating elephant herding optimization (EHO) in grey wolf optimizer (GWO) such that the tasks are allocated to the VM by eliminating the tasks from overloaded VM by maintaining the system performance. Here, the load of physical machine (PM), capacity and load of VM is computed for deciding whether the LB has to be done or not. Moreover, two pick factors, namely, task pick factor (TPF) and VM pick factor (VPF), are considered for choosing the tasks for reallocating them from overloaded VM to underloaded VM. The proposed EHGWO decides the task to be allocated in the VM based on the newly derived fitness functions.

Findings
The minimum load and makespan obtained in the existing methods, constraint measure based LB (CMLB), fractional dragonfly based LB algorithm (FDLA), EHO, GWO and proposed EHGWO for the maximum number of VMs is illustrated. The proposed EHGWO attained minimum makespan with value 814,264 ns and minimum load with value 0.0221, respectively. Meanwhile, the makespan values attained by existing CMLB, FDLA, EHO, GWO, are 318,6896 ns, 230,9140 ns, 1,804,851 ns and 1,073,863 ns, respectively. The minimum load values computed by existing methods, CMLB, FDLA, EHO, GWO, are 0.0587, 0.026, 0.0248 and 0.0234. On the other hand, the proposed EHGWO with minimum load value is 0.0221. Hence, the proposed EHGWO attains maximum performance as compared to the existing technique.

Originality/value
This paper illustrates the proposed LB algorithm using EHGWO in a cloud computing model using two pitch factors, named TPF and VPF. For initiating LB, the tasks assigned to the overloaded VM are reallocated to under loaded VMs. Here, the proposed LB algorithm adapts capacity and loads for the reallocation. Based on TPF and VPF, the tasks are reallocated from VMs using the proposed EHGWO. The proposed EHGWO is developed by integrating EHO and GWO algorithm using a new fitness function formulated by load of VM, migration cost, load of VM, capacity of VM and makespan. The proposed EHGWO is analyzed based on load and makespan.