bluuebunny/crossref_metadata_2025_split huggingface dataset:
Bayʿ wa salaf in Islamic banking current practices
Authors: Mahmud Munawwaruzzaman , Hassan Muhammad Hisyam , Khairul Anuar Nur Fathin 
Published: November 2018

Purpose
The purpose of this paper is to analyze the issue of bayʿ wa salaf (the combination of sale and loan contracts in a single arrangement) from the Sharīʿah perspective. Based on the Sharīʿah findings on the issue, the paper examines the existing Islamic banking products and services that use these two specific contracts to determine whether the current practice is in line with Sharīʿah.

Design/methodology/approach
The paper uses the qualitative method by reviewing and analyzing relevant literature and operational structures to comprehend the issues pertaining to bayʿ (sale) and salaf (loan). It then provides Sharīʿah parameters for bayʿ wa salaf before applying them in assessing some existing Islamic banking products and practices. Subsequently, the compliance status of the banking operations that use these contracts in a specific product structure can be ascertained.

Findings
The paper finds that the bayʿ wa salaf arrangement in the existing Islamic banking products and services, as elaborated in the paper, does not fall under the prohibited category. This deduction is made in accordance with the parameters derived from jurists’ discussion on the issue of bayʿ wa salaf. It also takes into consideration other factors influencing the existence of such arrangements.

Research limitations/implications
This conceptual research highlights the jurists’ discussion on the issue of bayʿ wa salaf and the compliance status of the current products and services that use the contracts in a single arrangement (specifically in the case of Malaysia) without discussing other possible structures that can be applied as an alternative to the bayʿ wa salaf arrangement.

Practical implications
Thorough understanding of the issue can strengthen the industry’s confidence in executing operations that conform to Sharīʿah principles.

Originality/value
The paper provides comprehensive deliberation on the ruling of bayʿ wa salaf from various schools of thought and exhaustive elaboration on existing Islamic banking products that apply bayʿ wa salaf in their structures. This contributes in reinforcing the stakeholders’ confidence in the operations of Islamic banking and finance.
Enhanced prediction of vulnerable Web components using Stochastic Gradient Boosting Trees
Authors: Elish Mahmoud 
Published: November 2018

Purpose
Effective and efficient software security inspection is crucial as the existence of vulnerabilities represents severe risks to software users. The purpose of this paper is to empirically evaluate the potential application of Stochastic Gradient Boosting Trees (SGBT) as a novel model for enhanced prediction of vulnerable Web components compared to common, popular and recent machine learning models.

Design/methodology/approach
An empirical study was conducted where the SGBT and 16 other prediction models have been trained, optimized and cross validated using vulnerability data sets from multiple versions of two open-source Web applications written in PHP. The prediction performance of these models have been evaluated and compared based on accuracy, precision, recall and F-measure.

Findings
The results indicate that the SGBT models offer improved prediction over the other 16 models and thus are more effective and reliable in predicting vulnerable Web components.

Originality/value
This paper proposed a novel application of SGBT for enhanced prediction of vulnerable Web components and showed its effectiveness.
On the mixed EHL characteristics, friction and flash temperature in helical gears with consideration of 3D surface roughness
Authors: Yang Yong , Li Wenguang , Wang Jiaxu , Zhou Qinghua 
Published: November 2018

Purpose
The purpose of this study is to investigate the tribological performance of helical gear pairs with consideration of the properties of non-Newtonian lubricant and the real three-dimensional (3D) topography of tooth flanks.

Design/methodology/approach
Based on the mixed elastohydrodynamic lubrication (EHL) theory for infinite line contact, this paper proposes a complete model for involute helical gear pairs considering the real 3D topography of tooth flanks and the properties of non-Newtonian lubricant. Film thickness, contact load and contact area ratios at the mid-point of contact line are studied for each angular displacement of pinion. Both the total friction coefficient and surface flash temperature are calculated after obtaining the values of pressure and subsurface stress. Then, the influences of input parameters including rotational speed and power are investigated.

Findings
During the meshing process, contact load ratio and area ratio of the two rough surface cases first increase and then decrease; the maximum flash temperature rise (MFTR) on the gear is lower than that on the pinion first, but later the situation converses. For cylindrical gears, on the plane of action, there is a point or a line where the instantaneous friction reduces to a minimum value in a sudden, as the sliding–rolling ratio becomes zero. When rotational speed increases, film thickness becomes larger, and meanwhile, contact load ratio, coefficient of friction and MFTR gradually reduce.

Originality/value
A comprehensive analysis is conducted and a computer program is developed for meshing geometry, kinematics, tooth contact, mixed EHL characteristics, friction, FTR and subsurface stress of involute helical gear pairs. Besides, a numerical simulation model is developed, which can be used to analyze mixed lubrication with 3D machined roughness under a wide range of operating conditions.
Effects of laser surface texturing on tribological properties of Ti-6Al-4V in hydroxyethyl-cellulose water-based lubrication
Authors: Sheng Dezun , Ni Tao , Zou Ming , Zhang Huichen 
Published: November 2018

Purpose
This paper aims to investigate the effect of laser surface texturing on the tribological performance of Ti-6Al-4V disks sliding against Si3N4 balls under hydroxyethyl-cellulose water-based lubrication. The friction coefficients and wear losses of textured and untextured disks were measured and compared. The results indicate that the texture patterns can lead to reduction of friction and wear in the condition of water-based lubrication.

Design/methodology/approach
Solutions of hydroxyethyl cellulose were used as water-based lubricants. To find the optimal laser texturing parameters for the best performance enhancement, three line-like patterns were fabricated onto the disks and three machining parameters were used for each type of pattern. Tribological tests were conducted in rotation sliding with ball-on-disk contact configuration on UMT-2.

Findings
A higher density of texture lines leads to a larger friction and wear reduction. Compared with untextured disks, the friction coefficient is reduced from 0.043 to 0.028 for textured disks. Some unworn parts were detected in the contact region of the balls against textured disks, which were not found on the balls against untextured disks. The worn surfaces indicated that periodic geometry of the contact track was rebuilt during run-in period, which was beneficial for the formation of lubricant films.

Originality/value
In this work, laser surface texturing was used to reduce the friction and wear of Ti-6Al-4V specimens in water-based lubrication, which can be used to improve the tribological performance of Ti-6Al-4V components in mechanical equipment.
Determination of Archard’s wear coefficient and wear simulation of sliding bearings
Authors: Stanković Miloš , Marinković Aleksandar , Grbović Aleksandar , Mišković Žarko , Rosić Božidar , Mitrović Radivoje 
Published: November 2018

Purpose
This paper aims to present the methodology to determine Archard’s wear coefficient. By applying this coefficient into the numerical simulation of wear, it is possible to predict wear without long lasting and usually expensive experiments.

Design/methodology/approach
To determine necessary particles of Archard’s equation and calculate wear coefficient K, an experimental investigation is proposed. Afterwards, the wear simulation is executed in FEM software ANSYS 18.1. Analytical method is offered to determine worn volume for cylinder-in-cylinder contact, based on “inclination” of inner cylinder.

Findings
Comparing the value of Archard’s coefficient obtained by this experimental investigation with the values from the literature for the similar materials, high correlation is noted. Furthermore, numerically calculated contact pressure is confirmed with analytical method. Trend of pressure decrease due to wearing process, as well as due to increase of contact surface is observed.

Practical implications
Since the prediction of the wear is closely related to the life cycle assessment of bearings, and the machines in general, it has significant practical importance for designers.

Originality/value
Determination of Archard’s coefficient is usually performed by conventional pin-on-disk tribometers. This methodology offers a different approach for the determination of Archard’s wear coefficient for cylinder-in-cylinder contact, which is convenient for shaft-sliding bearing contact.
Simulating the benefit of disruption prevention in assembly
Authors: Burggraef Peter , Wagner Johannes , Dannapfel Matthias , Vierschilling Sebastian Patrick 
Published: November 2018

Purpose
The purpose of this paper is to investigate the benefit of pre-emptive disruption management measures for assembly systems towards the target dimension adherence to delivery times.

Design/methodology/approach
The research was conducted by creating simulation models for typical assembly systems and measuring its varying throughput times due to changes in their disruption profiles. Due to the variability of assembly systems, key influence factors were investigated and used as a foundation for the simulation setup. Additionally, a disruption profile for each simulated process was developed, using the established disruption categories material, information and capacity. The categories are described by statistical distributions, defining the interval between the disruptions and the disruption duration. By a statistical experiment plan, the effect of a reduced disruption potential onto the throughput time was investigated.

Findings
Pre-emptive disruption management is beneficial, but its benefit depends on the operated assembly system and its organisation form, such as line or group assembly. Measures have on average a higher beneficial impact on group assemblies than on line assemblies. Furthermore, it was proven that the benefit, in form of better adherence to delivery times, per reduced disruption potential has a declining character and approximates a distinct maximum.

Originality/value
Characterising the benefit of pre-emptive disruption management measures enables managers to use this concept in their daily production to minimise overall costs. Despite the hardly predictable influence of pre-emptive disruption measures, these research results can be implemented into a heuristic for efficiently choosing these measures.
Interactive co-teaching strategies: developing effective partnerships
Authors: Casale Carolyn , Thomas Stephanie 
Published: November 2018

Purpose
The purpose of this study is to understand how to develop closer partnership ties among university education faculty and local high school teachers. This study consisted of a university-based teacher education faculty and a high school social studies teacher co-teaching controversial topics using interactive student-centered approaches at a high school in the southeastern United States.

Design/methodology/approach
A qualitative design included data sources from lesson plans, student assignments and the co-teacher’s reflection process. The theoretical frame integrates reflective practice, culturally relevant teaching and Zeichner’s hybrid space.

Findings
The findings of this research identified best practices for an effective co-teaching partnership between university-based teacher education faculty and social studies high school teachers.

Originality/value
The significance and practical implications are to develop partnerships to promote effective teaching.
Assessment of metabolic syndrome risk factors among rural-dwelling older adults requires innovation: partnerships and a mobile unit can help
Authors: Crowther Martha R. , Ford Cassandra D. , Vinson Latrice D. , Huang Chao-Hui , Wayde Ernest , Guin Susan 
Published: November 2018

Purpose
Older adults are at risk for developing metabolic syndrome (MSX). Given the growing rural older adult population and the unknown prevalence rate of MSX in rural communities, the purpose of this paper is to assess the risk factors for MSX among rural elders.

Design/methodology/approach
Individuals aged 55+ from four West Alabama rural communities were assessed by an interdisciplinary healthcare team via a mobile unit (n=216). Descriptive analyses and analysis of variances (ANOVA) were conducted to assess the effect of gender, race and community on the number of risk factors of MSX among rural elders.

Findings
Results of a three-way ANOVA revealed a significant interaction between gender, age and community on the number of MSX risk factors [F (16,193)= 2.41, p <0.01]. Rural communities with lower social economic status (SES) and predominantly African American residents were at higher risk for developing MSX compared to communities with higher SES [F(3, 68) = 7.42, p<0.05].

Practical implications
Findings suggest low SES rural communities are at risk of developing MSX. Innovative approaches such as mobile healthcare delivery are crucial to providing quality healthcare and preventive health screens to underserved rural older adult communities.

Originality/value
Limited research is available on assessing rural midlife and older adults at risk for metabolic syndrome largely due to lack of communication or transportation infrastructure and their history of negative experiences with public institutions. This research demonstrates that these barriers can be addressed.
Relationship between corporate social responsibility performance and disclosures: commercial banks of Bangladesh
Authors: Saha Anup Kumar 
Published: November 2018

Purpose
The research investigates the determinants of corporate social responsibility (CSR) spending and CSR disclosures by the Bangladeshi commercial banks. In the process, it explains the relationship between CSR disclosures and CSR expenditure by Bangladeshi commercial banks.

Design/methodology/approach
Legitimacy theory has been used to explain the motivation for such expenditure and disclosure. For purpose of analysing the determinants, ordinary least square (OLS) regression analysis has been used for the first test with CSR expenditures and ordered PROBIT regression analysis has been used for test with CSR disclosures.

Findings
The result found that CSR expenditure depend on banks’ size, age and government ownership, whilst CSR disclosures depend on CSR expenditure, profitability, age, government ownership and Islamic compliance.

Practical implications
The practical contribution of this study includes the assistance for the public policy development by providing better understanding of extent and credibility of CSR reporting by the Bangladeshi banking sector.

Originality/value
The study contributes to the academic literature by presenting preliminary findings from different focus on a developing economy like Bangladesh. The study leads to draw a standard for the developing country to find out the differences compared to developed country.
Inter-professional knowing as collective authorship practice
Authors: Bispo Marcelo de Souza , Cavalcante Erica Dayane Chaves 
Published: November 2018

Purpose
This paper aims to understand how members of an organization with different backgrounds form an inter-professional knowing (IPK) from a collective authorship practice (CAP).

Design/methodology/approach
This is a qualitative research drawn on an ethnomethodological approach on the committee responsible for the public policies of the waterfront for the city of João Pessoa, Brazil. The researchers spent one year observing the committee’s meetings.

Findings
The main result points out that IPK is a singular practice that emerges from the organization members’ different backgrounds in a collective authorship process.

Practical implications
It may be possible to adopt the notion of CAP as a methodology to address complex organizational problems.

Originality/value
This paper presents the notion of IPK from a CAP based on an ethnomethodological approach.
Three‐dimensional inversion of full magnetic gradient tensor data based on hybrid regularization method
Authors: Ji Shuangxi , Zhang Huai , Wang Yanfei , Rong Liangliang , Shi Yaolin , Chen Yongshun 
Published: November 2018

ABSTRACTRapid developments in SQUID‐based technology make it possible for geophysical exploration to direct measure, inverse and interpret magnetic gradient tensor data. This contribution introduces a novel three‐dimensional hybrid regularization method for inversion of magnetic gradient tensor data, which is based on the minimum support functional and total variation functional. Compared to the existing stabilizers, for example, the minimum support stabilizer, the minimum gradient support stabilizer or the total variation stabilizer, our proposed hybrid stabilizer, in association with boundary penalization, improves the revision result greatly, including higher spatial and depth resolution, more clear boundaries, more highlighted images and more evident structure depiction. Moreover, suitable selection of model parameter λ will further improve the image quality of the recovered model. We verify our proposed hybrid method with various synthetic magnetic models. Experiment results prove that this method gives more accurate results, exhibiting advantages of less computational costs even when less prior information of magnetic sources are provided. Comparison of results with different types of magnetic data with and without remanence indicates that our inversion algorithm can obtain more detailed information on the source structure based on rational estimation of total magnetization direction. Finally, we present a case study for inverting SQUID‐based magnetic tensor data acquired at Da Hinggan Mountains area, inner Mongolia, China. The result also certifies that the method is reliable and efficient for real cases.
Filtering potential field data by modifying its amplitude and phase in the space domain
Authors: Cooper Gordon Robert John 
Published: November 2018

ABSTRACTPotential field datasets are commonly broken down in the space domain into amplitude (total gradient, or analytic signal amplitude) and phase (tilt angle) components as part of the data processing and interpretation procedure. However, it is possible to reconstruct the data again in the space domain from the amplitude and phase, and if they have been modified then a filtered dataset will be produced. For example, modified derivatives and filters which are based on them (such as the tilt angle and the theta map) can be produced. In addition, the modification of the data amplitude prior to the reconstruction of the signal allows controllable automatic gain control filters to be designed. The procedures are demonstrated on aeromagnetic and gravity data from Southern Africa.
Habermasian communication pathologies in do‐not‐resuscitate discussions at the end of life: manipulation as an unintended consequence of an ideology of patient autonomy
Authors: Dzeng Elizabeth 
Published: November 2018

AbstractThe focus on patient autonomy in American and increasingly British medicine highlights the importance of choice. However, to truly honour patient autonomy, there must be both understanding and non‐control. Fifty‐eight semi‐structured in‐depth interviews were conducted with internal medicine physicians at three hospitals in the US and one in the UK. At hospitals where autonomy was prioritised, trainees equated autonomy with giving a menu of choices and felt uncomfortable giving a recommendation based on clinical knowledge as they worried that that would infringe upon patient autonomy. Employing Habermas's Theory of Communicative Action, this paper explores how physician trainees’ communication practices of using purposefully graphic descriptions of resuscitation to discourage that choice prevent greater understanding and compromise non‐control. Central to this problem are also issues of colonisation of the life‐world by the system. Physicians are fully inculcated in their respect for autonomy but unintentionally resort to strategic forms of communication that prevent patients from adequately understanding their situation because trainees feel constrained against making recommendations. However, if the ideal of autonomy is to be realised, physicians might have to move towards practices that embrace a more authentic autonomy that fosters open communication that allows for co‐creation of consensus between doctors and patients.
A dynamic and multifunctional account of middle‐range theories
Authors: Kaidesoja Tuukka 
Published: November 2018

AbstractThis article develops a novel account of middle‐range theories for combining theoretical and empirical analysis in explanatory sociology. I first revisit Robert K. Merton’s original ideas on middle‐range theories and identify a tension between his developmental approach to middle‐range theorizing that recognizes multiple functions of theories in sociological research and his static definition of the concept of middle‐range theory that focuses only on empirical testing of theories. Drawing on Merton's ideas on theorizing and recent discussions on mechanism‐based explanations, I argue that this tension can be resolved by decomposing a middle‐range theory into three interrelated and evolving components that perform different functions in sociological research: (i) a conceptual framework about social phenomena that is a set of interrelated concepts that evolve in close connection with empirical analysis; (ii) a mechanism schema that is an abstract and incomplete description of a social mechanism; and (iii) a cluster of all mechanism‐based explanations of social phenomena that are based on the particular mechanism schema. I show how these components develop over time and how they serve different functions in sociological theorizing and research. Finally, I illustrate these ideas by discussing Merton’s theory of the Matthew effect in science and its more recent applications in sociology.