bluuebunny/crossref_metadata_2025_split huggingface dataset:
Text-based Question Difficulty Prediction: A Systematic Review of Automatic Approaches
Authors: AlKhuzaey Samah , Grasso Floriana , Payne Terry R. , Tamma Valentina 
Published: September 2023

AbstractDesigning and constructing pedagogical tests that contain items (i.e. questions) which measure various types of skills for different levels of students equitably is a challenging task. Teachers and item writers alike need to ensure that the quality of assessment materials is consistent, if student evaluations are to be objective and effective. Assessment quality and validity are therefore heavily reliant on the quality of the items included in the test. Moreover, the notion of difficulty is an essential factor that can determine the overall quality of the items and the resulting tests.Thus, item difficulty prediction is extremely important in any pedagogical learning environment. Although difficulty is traditionally estimated either by experts or through pre-testing, such methods are criticised for being costly, time-consuming, subjective and difficult to scale, and consequently, the use of automatic approaches as proxies for these traditional methods is gaining more and more traction. In this paper, we provide a comprehensive and systematic review of methods for the priori prediction of question difficulty. The aims of this review are to: 1) provide an overview of the research community regarding the publication landscape; 2) explore the use of automatic, text-based prediction models; 3) summarise influential difficulty features; and 4) examine the performance of the prediction models. Supervised machine learning prediction models were found to be mostly used to overcome the limitations of traditional item calibration methods. Moreover, linguistic features were found to play a major role in the determination of item difficulty levels, and several syntactic and semantic features were explored by researchers in this area to explain the difficulty of pedagogical assessments. Based on these findings, a number of challenges to the item difficulty prediction community are posed, including the need for a publicly available repository of standardised data-sets and further investigation into alternative feature elicitation and prediction models.
Italian small arms exports: between incentives and international sanctions
Authors: Baronchelli Adelaide , Caruso Raul 
Published: September 2023

AbstractThis paper empirically investigates the determinants of Italian Small Arms and Light Weapons (hereafter SALW) exports to 143 polities from 1990 to 2017. We focus in particular on three aspects: (1) the economic drivers of SALW exports by means of a standard gravity equation of trade; (2) the internal characteristics of the importer country, namely the degree of militarization and the attitude to violence exerted by government against citizens; (3) the impact of international constraints on SALW trade by highlighting in particular EU and UN embargoes. We estimate the empirical models for total exports but also distinguishing between the two sub-categories of military and sporting SALW. Findings highlight that (1) there is a complementarity between Italian exports and the importer’s military expenditure; (2) there is a correlation between Italian exports of SALW and both a disregard for physical integrity and a potential for military influence over the government in the importing country; (3) international embargoes reduce substantially Italian SALW exports; (4) UN and EU embargoes seem to have a different impact; (5) There is no evidence of sanctions-busting. In broader terms, this study highlights that unlike the standard patterns observed for civilian goods, political and military factors matter substantially for the international trade of SALW.
Spotting the stock and crypto markets’ rings of fire: measuring change proximities among spillover dependencies within inter and intra-market asset classes
Authors: Setiawan Hendra , Bhaduri Moinak 
Published: September 2023

AbstractCrypto assets have lately become the chief interest of investors around the world. The excitement around, along with the promise of the nascent technology led to enormous speculation by impulsive investors. Despite a shaky understanding of the backbone technology, the price mechanism, and the business model, investors’ risk appetites pushed crypto market values to record highs. In addition, pricings are largely based on the perception of the market, making crypto assets naturally embedded with extreme volatility. Perhaps unsurprisingly, the new asset class has become an integral part of the investor’s portfolio, which traditionally consists of stock, commodities, forex, or any type of derivative. Therefore, it is critical to unearth possible connections between crypto currencies and traditional asset classes, scrutinizing correlational upheavals. Numerous research studies have focused on connectedness issues among the stock market, commodities, or other traditional asset classes. Scant attention has been paid, however, to similar issues when cryptos join the mix. We fill this void by studying the connectedness of the two biggest crypto assets to the stock market, both in terms of returns and volatility, through the Diebold Francis spillover model. In addition, through a novel bidirectional algorithm that is gaining currency in statistical inference, we locate times around which the nature of such connectedness alters. Subsequently, using Hausdorff-type metrics on such estimated changes, we cluster spillover patterns to describe changes in the dependencies between which two assets are evidenced to correlate with those between which other two. Creating an induced network from the cluster, we highlight which specific dependencies function as crucial hubs, how the impacts of drastic changes such as COVID-19 ripple through the networks—the Rings of Fire—of spillover dependencies.
Soft Sensors for Property-Controlled Multi-Stage Press Hardening of 22MnB5
Authors: Martschin Juri , Wrobel Malte , Grodotzki Joshua , Meurer Thomas , Tekkaya A. Erman 
Published: September 2023

AbstractIn multi-stage press hardening, the product properties are determined by the thermo-mechanical history during the sequence of heat treatment and forming steps. To measure these properties and finally to control them by feedback, two soft sensors are developed in this work. The press hardening of 22MnB5 sheet material in a progressive die, where the material is first rapidly austenitized, then pre-cooled, stretch-formed, and finally die bent, serves as the framework for the development of these sensors. To provide feedback on the temporal and spatial temperature distribution, a soft sensor based on a model derived from the Dynamic mode decomposition (DMD) is presented. The model is extended to a parametric DMD and combined with a Kalman filter to estimate the temperature (-distribution) as a function of all process-relevant control variables. The soft sensor can estimate the temperature distribution based on local thermocouple measurements with an error of less than 10 °C during the process-relevant time steps. For the online prediction of the final microstructure, an artificial neural network (ANN)-based microstructure soft sensor is developed. As part of this, a transferable framework for deriving input parameters for the ANN based on the process route in multi-stage press hardening is presented, along with a method for developing a training database using a 1-element model implemented with LS-Dyna and utilizing the material model Mat248 (PHS_BMW). The developed ANN-based microstructure soft sensor can predict the final microstructure for specific regions of the formed and hardened sheet in a time span of far less than 1 s with a maximum deviation of a phase fraction of 1.8 % to a reference simulation.
Role of T and B lymphocyte cannabinoid type 1 and 2 receptors in major depression and suicidal behaviours
Authors: Maes Michael , Rachayon Muanpetch , Jirakran Ketsupar , Sughondhabirom Atapol , Almulla Abbas F. , Sodsai Pimpayao 
Published: September 2023

AbstractEarly flow cytometry studies revealed T cell activation in major depressive disorder (MDD). MDD is characterised by activation of the immune-inflammatory response system (IRS) and the compensatory immunoregulatory system (CIRS), including deficits in T regulatory (Treg) cells. This study examines the number of cannabinoid type 1 (CB1) and type 2 (CB2) receptor-bearing T/B lymphocytes in MDD, and the effects of in vitro cannabidiol (CBD) administration on CB1/CB2-bearing immunocytes. Using flow cytometry, we determined the percentage of CD20+CB2+, CD3+CB2+, CD4+CB2+, CD8+CB2+ and FoxP3+CB1+ cells in 19 healthy controls and 29 MDD patients in 5 conditions: baseline, stimulation with anti-CD3/CD28 with or without 0.1 µg/mL, 1.0 µg/mL, or 10.0 µg/mL CBD. CB2+ was significantly higher in CD20+ than CD3+ and CD4+ and CD 8+ cells. Stimulation with anti-CD3/CD8 increases the number of CB2-bearing CD3+, CD4+ and CD8+ cells, as well as CB1-bearing FoxP3+ cells. There was an inverse association between the number of reduced CD4+ CB2+ and IRS profiles, including M1 macrophage, T helper-(Th)-1 and Th-17 phenotypes. MDD is characterised by lowered basal FoxP3+ CB1+% and higher CD20+ CB2+%. 33.2% of the variance in the depression phenome (including severity of depression, anxiety and current suicidal behaviours) is explained by CD20+ CB2+ % (positively) and CD3+ CB2+% (inversely). All five immune cell populations were significantly increased by 10 µg/mL of CBD administration. Reductions in FoxP3+ CB1+% and CD3+ /CD4+ CB2+% contribute to deficits in immune homoeostasis in MDD, while increased CD20+CB2+% may contribute to the pathophysiology of MDD by activating T-independent humoral immunity.
Peripheral Elites in West European Central States’ Apparatus: An Introduction
Authors: Harguindéguy Jean-Baptiste , Peinado-García Alejandro , Sandri Giulia 
Published: September 2023

AbstractThe presence and influence of peripheral elites in national political institutions is frequently handled by the press. But, oddly enough, the lack of a comprehensive vision of this issue tends to feed flashy titles alerting about the influence of some territorial groups in central institutions such as the “Scottish Raj,” the “Tartan mafia,” or the “Cosa Scotia” in London. This article aims to provide a general theoretical framework able to orient those fragmented researches. This literature review was led from May 2018 to June 2020. It presents those results in six sections. The ways in which peripheral elites get access to central institutions are analyzed in the first section. In the second section, we introduce the literature about the presence of peripheral elites in the state apparatus, before stressing the different networks representing the interests of peripheries in the city capitals in section three. Fourth, this article points out the various career orientations of peripheral elected officials. This leads us to question their policy influence in different fields. Lastly, a short section tackles the phobias provoked by the rise of peripheral elites occupying central political positions, before proposing a general framework for orienting future research on this topic.
Concepts of Actionability in Precision Oncology
Authors: Chin-Yee Benjamin , Plutynski Anya 
Published: September 2023

Abstract“Actionability” is a key concept in precision oncology. Its precise definition, however, remains contested. This article undertakes a philosophical analysis of “actionability” to aid in conceptual clarification. We map distinct concepts of actionability, arguing that each is best understood as a contextually objective category articulated to mitigate risk of “conceptual slippage.” We defend “interactive pluralism,” acknowledging the need for distinct concepts but also for conceptual interaction in practice. This article thus offers insights for both practitioners and philosophers, clarifying approaches to actionability for scientists and clinicians and serving as a case study to test competing views on scientific pluralism.
Steinernema shorin. sp., a new entomopathogenic nematode (Nematoda: Steinernematidae) from India
Authors: Soni S. , Patil J. , Linga V. , Mhatre P.H. , Gowda M.T. , Ganguli J. , Půža V. 
Published: September 2023

AbstractIn this study, morphological and molecular features were used to identify a newSteinernemasp. from Chhattisgarh, India. Morphological and molecular features provide evidence for placing the new species into the “bicornutum”clade. The new species is characterized by the following morphological features: infective juveniles with a body length of 587 (494–671) μm; a distance from the anterior end to excretory pore of 46 (43–50) μm; a distance from anterior end to nerve ring of 72 μm (61–85 μm); andE% of 88 (77–97). The first-generation males are characterised by 27 genital papillae and very short spicules, with a length of 61 μm (53–67) μm. TheSW% andGS% ratio ofS. shorin. sp. are 139 (107–190) and 75 (62–90), respectively. The new species is further characterized by sequences of the internal transcribed spacer and partial 28S regions of the ribosomal DNA. Phylogenetic analyses show thatS. shorin. sp. is most closely related toS. abbasi, S. kandii,andS. yirgalemense.
Novel techniques for prevention of post-operative pharyngocutaneous fistula in locally advanced laryngeal and hypopharyngeal cancers
Authors: Lambor Dheeraj V , Shetgaunkar Radhika Ranganath , Lambor Swati , Sa Carnegie De , Vijaykumar Rashmi 
Published: September 2023

AbstractBackgroundPharyngocutaneous fistula is one of the most common complications following total laryngectomy. It increases hospital stay and the financial burden on patients, and prolongs nasogastric feeding. This paper presents novel techniques for prevention of pharyngocutaneous fistula.MethodA retrospective study was conducted at a tertiary referral centre to assess the effectiveness of continuous extramucosal pharyngeal suturing and the hydrogen peroxide leak test in prevention of pharyngocutaneous fistula in 59 patients who had undergone total laryngectomy with or without partial pharyngectomy for locally advanced cancers of the larynx and hypopharynx.ResultsThe incidence of pharyngocutaneous fistula in our study was 6.8 per cent, which is considerably lower than the incidence reported in various previous studies.ConclusionThe continuous extramucosal suturing technique provides watertight closure of the neopharynx and can be recommended as a reliable method for neopharyngeal closure post total laryngectomy to reduce the occurrence of pharyngocutaneous fistula.
Investment and the inaudible mother tongue: Carving out a space for Kurdish in the soundscape of an Istanbul kebab restaurant
Authors: Schluter Anne Ambler 
Published: September 2023

Abstract
Firmly grounded in local sociopolitical constraints, language policies at Istanbul's Kurdish-run eating establishments often place Kurdish employees’ cultural identity construction at odds with their workplaces’ economic viability. In the face of rigid structures that cement the dominance of Turkish, the Kurdish managers highlighted in a previous study exercise limited agency to enact language policies that align with their pro-Kurdish ideologies, rendering Kurdish largely invisible. This article revisits these themes by examining a nearby Kurdish-run restaurant with a language policy that violates this norm. Applying Darvin & Norton's (2015) model of investment, analyses of observations and interviews consider identity, ideology, and economic capital vis-à-vis employees’ perceived valuation of Kurdish as a workplace language. Results suggest that capital ownership emboldens the audible articulation of Kurdish identities, which emerge from pluricentrically oriented ideologies, fostering resistance to local language policy norms. (Investment, language policy, capital, Kurdish, ideology, pluricentricity)
Degenerate feet in phrasal phonology: evidence from Latin and Ancient Greek
Authors: Ryan Kevin M. 
Published: September 2023

AbstractDegenerate feet, even when forbidden in isolated words, can arise within phrases due to resyllabification. In particular, when a stressed monosyllable of the shape C0VC (where V is short) undergoes resyllabification in Latin and Ancient Greek, it yields a degenerate foot. While degenerate feet were tolerated in prose, they were avoided in hexameter verse. Even though a degenerate foot is a kind of light syllable, a light metrical position could not contain a foot. Verse evidence is used as a window onto the general prosodic structure of each language, revealing that speakers productively recognised degenerate feet and distinguished them from other prosodic categories.
The effects of branched-chain amino acids on muscle protein synthesis, muscle protein breakdown and associated molecular signalling responses in humans: an update
Authors: Kaspy Matthew S. , Hannaian Sarkis J. , Bell Zachary W. , Churchward-Venne Tyler A. 
Published: September 2023

AbstractBranched-chain amino acids (BCAA: leucine, isoleucine and valine) are three of the nine indispensable amino acids, and are frequently consumed as a dietary supplement by athletes and recreationally active individuals alike. The popularity of BCAA supplements is largely predicated on the notion that they can stimulate rates of muscle protein synthesis (MPS) and suppress rates of muscle protein breakdown (MPB), the combination of which promotes a net anabolic response in skeletal muscle. To date, several studies have shown that BCAA (particularly leucine) increase the phosphorylation status of key proteins within the mechanistic target of rapamycin (mTOR) signalling pathway involved in the regulation of translation initiation in human muscle. Early research in humans demonstrated that BCAA provision reduced indices of whole-body protein breakdown and MPB; however, there was no stimulatory effect of BCAA on MPS. In contrast, recent work has demonstrated that BCAA intake can stimulate postprandial MPS rates at rest and can further increase MPS rates during recovery after a bout of resistance exercise. The purpose of this evidence-based narrative review is to critically appraise the available research pertaining to studies examining the effects of BCAA on MPS, MPB and associated molecular signalling responses in humans. Overall, BCAA can activate molecular pathways that regulate translation initiation, reduce indices of whole-body and MPB, and transiently stimulate MPS rates. However, the stimulatory effect of BCAA on MPS rates is less than the response observed following ingestion of a complete protein source providing the full complement of indispensable amino acids.
Development and validation of a new standardized measure for assessing experiences of discrimination within mental health services. A participatory research project
Authors: Lasalvia Antonio , Pillan Stefano , Marzocco Giulia , Ambrosini Anna , Veltro Franco , Pozzan Tecla , D’Astore Camilla , Cristofalo Doriana , Ruggeri Mirella , Bonetto Chiara ,   the Mental Health Service Users’ Association ‘Il Cerchio Aperto’
Published: September 2023

Abstract

Aims
People with mental disorders frequently report experiences of discrimination within mental health services, which can have significant detrimental effects on individuals’ well-being and recovery. This study aimed to develop and validate a new standardized measure aiming to assess experiences of stigmatization among people with mental disorders within mental health services.

Methods
The scale was developed in Italian and tested for ease of use, comprehension, acceptability, relevance of items and response options within focus group session. A cross-sectional validation survey was conducted among mental health service users in Italy. Exploratory factor analysis with Promax oblique rotation, the Kaiser–Meyer–Olkin (KMO) measure of sampling adequacy and the Bartlett’s test of sphericity were used to assess the suitability of the sample for factor analysis. Reliability was assessed as internal consistency using Cronbach’s alpha and as test–retest reliability using weighted kappa and intraclass correlation coefficient (ICC). Precision was examined by Kendall’s tau-b coefficient.

Results
Overall, 240 people with mental disorders participated in the study; 56 also completed the retest evaluation after 2 weeks. The 18 items of the scale converged over a two-factor solution (‘Dignity violation and personhood devaluation’ and ‘Perceived life restrictions and social exclusion’), accounting for 56.4% of the variance (KMO 0.903; Bartlett’s test p < 0.001). Cronbach’s alpha for the total score was 0.934. The scale showed one item with kappa above 0.81, four items between 0.61 and 0.80, ten items between 0.41 and 0.60, two items between 0.21 and 0.40 and only one item below 0.20. ICC was 0.928 (95% CI 0.877–0.958). Kendall’s tau-b ranged from 0.450 to 0.617 (p < 0.001).

Conclusions
The newly developed scale represents a valid and reliable measure for assessing experiences of stigma among patients receiving care within mental health services. The scale has provided initial evidence of being specifically tailored for individuals with psychotic and bipolar disorders. However, the factorial structure of the scale should be replicated through a confirmatory factor analysis on a larger sample of individuals with these conditions.
Problematic Internet Use in Emerging Adulthood
Authors: Benzi Ilaria Maria Antonietta , Carone Nicola , Fontana Andrea , Barone Lavinia 
Published: September 2023

Abstract: Research has shown the importance of exploring variables associated with problematic Internet use (PIU) in emerging adulthood. In this scenario, grandiose and vulnerable narcissistic features might be differently associated with PIU. Similarly, environmental sensitivity encompasses heightened empathy, sensitivity to rejection, and problems in emotional regulation. However, the interplay of narcissism and environmental sensitivity associated with PIU has not yet been explored. In this scenario, in a sample of 319 emerging adults (female = 78%, Mage = 24.00, SD = 2.33), we explored the role of environmental sensitivity in the association between narcissistic features and PIU using general linear models that were compared via a total coefficient of determination (TCD) and Akaike information criterion (AIC). Data highlighted that one emerging adult out of four displayed at least a moderate level of PIU. Furthermore, results showed that only narcissistic vulnerability was associated with PIU. Also, findings suggest that higher sensitivity to environmental stimuli (positive or negative ones) strengthens the association between vulnerable narcissism and PIU. Our study sheds light on the complex and multidimensional nature of PIU, acknowledging the interaction between different personality traits linked to an increased sensitivity to the social world: environmental sensitivity, including the environmental and social cues, and narcissistic features, encompassing the fear of rejection and/or devaluation from others. By exploring these associations, this study highlights the need for more targeted interventions to address PIU, particularly for individuals with higher levels of self-sensitivity when navigating the interpersonal domain.