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Ant-colony optimization for automating test model generation in model transformation testing
Get PDFIn model transformation (MT) testing, test data generation is of key importance. However, test suites are not available out of the box, and existing approaches to generate them require to provide not only the metamodel to which the models must conform, but some other domain-specific artifacts. For instance, an MT developer aiming to perform an incremental implementation of an MT may need to count on a quality test suite from the very beginning, even before all MT requirements are clear, only having the metamodels as input. We propose a black-box approach for the generation of test models where only the input metamodel of the MT is available. We propose an Ant-Colony Optimization algorithm for the search of test models satisfying the objectives of maximizing internal diversity and maximizing external diversity. We provide a tool prototype that implements this approach and generates the models in the well-established XMI interchange format. A comparison study with state-of-the-art frameworks shows that models are generated in reasonable times with low memory consumption. We empirically demonstrate the adequacy of our approach to generate effective test models, obtaining an overall mutation score above 80% from an evaluation with more than 5000 MT mutants
“You’re Going to Go into Some Really Dark, Dark Places in Your Mind.” Loss and Disillusionment of Being Shunned From the Jehovah’s Witnesses Community and Its ImpactInternational
No full textNaturalism, God, and Honest to God
Get PDFThis article places Honest to God within the frame of expansive naturalism using the work of the philosopher Spinoza and the theologian Paul Tillich. It offers a challenge to atheistic naturalism
Brexit and the NHS: Voting Behaviour and Views on the Impact of Leaving the EU
No full textThis paper examines three aspects of Brexit with regards to the NHS. Firstly, we consider the influence of views regarding one the most contentious issues in the referendum campaign: Vote Leave’s claim that the ‘savings’ from EU membership could alternatively be used to provide additional funding for the NHS. We find that views about NHS underfunding had a relatively small, but statistically significant, effect on leave voting even after controlling for a range of socio-demographic and economic variables. However, the magnitude of this effect is reduced and becomes insignificant when health-related and cultural controls are added. Secondly, we examine how NHS workers voted relative to others in employment, and find that a relatively high proportion were actually leave voters. Finally, we analyse whether individuals thought that Brexit would have a positive or negative impact on the NHS, as well as the reason/reasons for their view. We find that supporters of the Conservative party were by far the most likely to think that Brexit would be good for the NHS
'Everything you need to embrace the change':The 'menopausal turn' in contemporary UK culture
No full textIn recent years, the UK has witnessed an unprecedented period of pronounced public cultural conversation and promotion around a newly inflected era of menopause awareness. Importantly, this ‘menopausal turn’, as I term it,can be identified in operation throughout multiple and intertwined cultural spaces, including education, politics, medicine, retail, publishing, journalism, and more. While this invigorated conversation might be welcomed atmany levels, this article examines how it would be both naive and indeed hazardous to conflate the amplification of cultural attention to menopause and demand for greater provision of menopause support currently seen in themenopausal turn, with greater inclusivity. This shift in UK media discourse has been nowhere more apparent than in the preparedness of a significant number of high-profile women celebrities and public figures ready and willing to share their stories and lend their names to confessional menopausal disclosures of one kind or another. Adopting an intersectional feminist media studies approach, I particularly examine how understanding of menopause is being envisioned and bolstered through this celebrity prism as primarily the terrain of White,cisgendered, middle-class affluence - even aspiration at times - and insist this movement be identified and acted on by all those engaged in studying or shaping menopause in the media as a pressing matter of consequence, inorder to advocate for more intersectionally-conscious accounts of menopause
“The Nigeria-Biafra Civil War and the Birth of Indigenous Neo-Pentecostalism in Igboland, 1967-1980”
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The Façade, the Face, and the Sympathies: Opening the Black Box of Symbolic Capital as a Source of Philanthropic Attractiveness
No full textAlthough most studies on philanthropy have focused on corporate benefactors, limited attention has been given to beneficiaries and their characteristics. The literature thus falls short in explaining how the variance in the perceived value of those characteristics can condition the philanthropic attractiveness of recipients for donors. Drawing from Bourdieu’s concept of symbolic capital and qualitative insights drawn from our empirical context of philanthropy in the field of cultural production in the Russian Federation, we argue that the attractiveness of cultural organizations for potential corporate benefactors depends on a range of determinants, which we classify under the broad umbrellas of respectability and reputability. By using political orientation as a moderator, we show that, although respectability is an indiscriminately attractive part of symbolic capital, reputability, associated with artistic celebrity and renown, can become a deterrent to potential donors when it augments the risk of jeopardizing their relationship with the government. We also demonstrate that a board of trustees, which signals openness to stakeholder involvement, diminishes the returns of reputability for potential donors. We test our hypotheses using original and representative longitudinal data on 449 Russian theaters (2004–2011). Taking an indirect recursive approach to estimate models with high-dimensional fixed effects, we find strong support for our hypotheses across a variety of econometric specifications. Our research offers a unique focus on the beneficiary side of the beneficiary-benefactor relationship, which has both theoretical and practical implications for the literatures on corporate philanthropy, and cultural industries