bluuebunny/crossref_metadata_2025 huggingface dataset:
Efficient Reconciliation of Continuous Variable Quantum Key Distribution with Multiplicatively Repeated Non-Binary LDPC Codes
Authors: Martinez-Mateo Jesus , Elkouss David
Published: February 2025

Continuous variable quantum key distribution bears the promise of simple quantum key distribution directly compatible with commercial off the shelf equipment. However, for a long time its performance was hindered by the absence of good classical postprocessing capable of distilling secret-keys in the noisy regime. Advanced coding solutions in the past years have partially addressed this problem enabling record transmission distances of up to 165~km, and 206~km over ultra-low loss fiber. In this paper, we show that a very simple coding solution with a single code is sufficient to extract keys at all noise levels. This solution has performance competitive with prior results for all levels of noise, and we show that non-zero keys can be distilled up to a record distance of 192~km assuming the standard loss of a single-mode optical fiber, and 240~km over ultra-low loss fibers. Low-rate codes are constructed using multiplicatively repeated non-binary low-density parity-check codes over a finite field of characteristic two. This construction only makes use of a $(2, k)$-regular non-binary low-density parity-check code as mother code, such that code design is in fact not required, thus trivializing the code construction procedure. The construction is also inherently rate-adaptive thereby allowing to easily create codes of any rate. Rate-adaptive codes are of special interest for the efficient reconciliation of errors over time or arbitrary varying channels, as is the case with quantum key distribution. In short, these codes are highly efficient when reconciling errors over a very noisy communication channel, and perform well even for short block-length codes. Finally, the proposed solution is known to be easily amenable to hardware implementations, thus addressing also the requirements for practical reconciliation in continuous variable quantum key distribution.
Unilateral serous macular detachment accompanying cystoid macular edema temporally associated with COVID-19 vaccination: A case report
Authors: Sadr Navid Elmi , Hariri Ramyar
Published: February 2025

Objective: To report a case of unilateral serous macular detachment accompanying cystoid macular edema temporally associated with COVID-19 vaccination.
Methods: Case report.
Case description: A 67-year-old male presented with progressive vision loss in his left eye seven days after receiving the second dose of the COVID-19 vaccine (BBIBP-CorV, Sinopharm, Beijing, China). Fundus examination and spectral-domain optical coherence tomography angiography (SD-OCTA; Optovue, Fremont, CA) showed serous macular detachment with cystoid macular edema (CME) in the left eye. The patient’s best-corrected visual acuity improved dramatically from counting fingers at 3 m to 20/32, and macular detachment and CME resolved significantly within 10 days, without any treatment.
Conclusion: This observation suggests a potential link between transient serous macular detachment accompanying CME and the Sinopharm COVID-19 vaccination. Nevertheless, it is important to emphasize that vaccination against COVID-19 is highly recommended.
Exploration of the relationship between the height of the popliteal artery injury plane and the risk of amputation
Authors: Mao Jianjie , Chu Hui , Jin GenYang
Published: February 2025

Purpose
The aim of the present study was to explore the impact of different planes of popliteal artery injury (PAI) on the risk of amputation in affected limbs.
Methods
A retrospective analysis was conducted on ninety-four patients who underwent PAI; these patients were divided into an amputation group (n = 26) and a nonamputation group (n = 68) on the basis of whether limb preservation was successful. The data were reconstructed from computed tomography angiography (CTA) of the patients’ lower limbs and measured via AW Volume Share 5 software. The height of the popliteal artery injury surface was quantified as follows: "L" was defined as the distance from the origin of the descending genicular artery of the contralateral limb to the origin of the anterior tibial artery; "S" was defined as the distance from the origin of the descending genicular artery of the affected limb to the blood flow interruption site; and "R" was defined as the ratio of S to L (S/L). The risk factors for amputation in patients with PAI were also analysed.
Results
Univariate and multivariate logistic regression analyses revealed that R (odds ratio [OR] = 0.876, P = 0.006,95% CI:0.797–0.963), S (OR = 0.792, P = 0.166,95% CI:0.570–1.102), ischemic time (OR = 1.195, P = 0.017,95% CI:1.032–1.383), and compartment syndrome (OR = 5.509, P = 0.055,95% CI:0.967–31.376) were independent risk factors for amputation in patients with PAI. The receiver operating characteristic (ROC) curve revealed that the AUC values were 0.887 (P < 0.000, 95% CI: 0.805–0.943) and 0.775 (P < 0.000, 95% CI: 0.677–0.854) for R and S, respectively. The diagnostic efficiency was highest when the diagnostic threshold values were 0.573 and 11.3 cm, for R and S, respectively. Moreover, the AUCR was greater than the AUCS (Z = 2.403, P = 0.0162).
Conclusion
The height of the PAI plane is an independent risk factor for amputation in patients with PAI. Greater planes of vascular injury result in greater risk of amputation. R is better than S in the diagnosis of amputation risk in patients with PAI.
Anomalous transport in U(1)-symmetric quantum circuits
Authors: Summer Alessandro , Nico-Katz Alexander , Dooley Shane , Goold John
Published: February 2025

In this work we investigate discrete-time transport in a generic U(1)-symmetric disordered model tuned across an array of different dynamical regimes. We develop an aggregate quantity, a circular statistical moment, which is a simple function of the magnetization profile and which elegantly captures transport properties of the system. From this quantity we extract transport exponents, revealing behaviors across the phase diagram consistent with localized, diffusive, and - most interestingly for a disordered system - superdiffusive regimes. Investigation of this superdiffusive regime reveals the existence of a prethermal ''swappy'' regime unique to discrete-time systems in which excitations propagate coherently; even in the presence of strong disorder.
Swine Influenza A virus infection sets the local immunological landscape in subsequent infection with Porcine Reproductive and Respiratory Syndrome virus
Authors: Grevelinger Janaïna , Bourry Olivier , Schmidt Selma , Meurens François , Deblanc Céline , Hervet Caroline , Perrin Aline , Gorin Stéphane , Dimna Mireille Le , Quéguiner Stéphane , Larcher Thibaut , Renson Patricia , Paboeuf Frédéric , Gerner Wilhelm , Bertho Nicolas , Simon Gaëlle
Published: February 2025

Farmed pigs are frequently exposed to respiratory infections, with swine influenza A virus (swIAV) and porcine reproductive and respiratory syndrome virus (PRRSV) being key drivers. Most co-infection studies with these viruses have focused on PRRSV infection followed by swIAV. However, the reverse scenario, where swIAV is given first and then PRRSV, has not been explored. This infection sequence is plausible under natural conditions and warrants further study, especially given that influenza A virus has been shown in mice to impair alveolar macrophages, which are the target cells for PRRSV. This study aimed to evaluate the impact of swIAV infection on the alveolar macrophage population, clinical signs, immune responses, and viral loads during a secondary infection with PRRSV initiated seven days after the initial swIAV exposure. Results demonstrated that primary swIAV infection did not exacerbate the clinical progression of PRRSV infection, nor did it result in significant differences in PRRSV viral loads or affect the alveolar macrophage population in the lungs of super-infected pigs as compared to those of pigs infected with PRRSV alone. However, swIAV pre-infection was associated with an increase in the number of conventional dendritic cells type 1 (cDC1), perforin-expressing T cells and NK-related lymphocytes in bronchoalveolar lavage. This coincided with an increase of PRRSV-specific IFN-γ producing CD4 T cells in blood detected seven days post-PRRSV infection. These findings suggest that a swIAV infection could enhance immune responses during subsequent PRRSV infection by recruiting cDC1 and inducing IL-12, promoting a type-1 immune response, highlighting the complex interplay and often unexpected outcomes of viral co-infections occurring in close temporal proximity.
Effect of five independent pumping current division on semiconductor optical amplifier dynamics
Authors: Mohammed Adnan H. , Hemed Ayser A. , Yasser Hasan A. , Baha'a A. M. , Jassem Muna M.
Published: February 2025

For simulating semiconductor optical amplifier (SOA) performance and even in experimental applications that require SOA use, injected current can be easily changed in comparison with other operational parameters. Current simulation focuses on studying the latter main parameter then determining its effect on saturation power for fast dynamics with considerations included amplified spontaneous emission (ASE), carrier heating (CH), and spectral hole burning (SHB). A five-segment model is investigated, in which the SOA supplied with five independently injection currents. Application of such currents can be arranged in term as ascending or descending. The results show that the role of fast dynamics must be taken into account when performance \(\:\text{S}\text{O}\text{A}\) is simulated, especially when pulse width has been selected within sub picosecond duration range. The resulted width of saturated region is ranged (5.2–4.7) dBm\(\:\:\:\)in presence CH and SHB, and the latter two as well ASE, respectively, of pulse width \(\:{({\tau\:}}_{p})\) in the range \(\:(0.25-0.4)\text{p}\text{s}\). The interpretation of saturation power \(\:\left(3\text{d}\text{B}\right)\) to be closer if the injected current is descending arranged or further if ascendingly arranged can be understood by gain recovery time. Saturated region width was narrower in comparison with the case of \(\:\text{A}\text{S}\text{E}\) presence. The latter shifts the saturated region to lower power, and the shifting decreases with increasing pulse width. Also, \(\:\text{A}\text{S}\text{E}\) effect on linear unsaturated region to be reduced by \(\:3\text{d}\text{B}\). Our model attains an expansion of saturated regions that can be described as error-free ones, so it is a candidate to be used in an advanced modulation format.
The role of online social capital in oral health-related quality of life among adolescents
Authors: Borstmann Eduarda Silveira , Ardenghi Thiago Machado , Vettore Mario Vianna , Noronha-Ramos Thaís Gioda , Emmanuelli Bruno , Knorst Jessica Klöckner
Published: February 2025

Background Social capital plays a key role in health outcomes, including oral health-related quality of life (OHRQoL). With increased digital interactions, online social capital has emerged as a potential determinant of adolescent well-being. This study aimed to explore the relationship between online social capital and OHRQoL among adolescents.Methods This is a cross-sectional study nested within a cohort study initiated in 2010 with a representative sample of preschool children from Brazil. Individuals were re-evaluated from 2022–2023, totaling 12 years of follow-up. The analyzed sample included 406 adolescents who were re-evaluated during the follow-up. OHRQoL was assessed via the Child Perception Questionnaire (CPQ 11–14). Online social capital was assessed through the following question: "How often do you use social networks (e.g., Instagram or WhatsApp) to communicate with friends or family?" and "Do you communicate online (e.g., Instagram or WhatsApp) whom you trust to help you solve your problems?". Offline social capital and demographic, socioeconomic, psychosocial, and clinical variables were considered confounders. Adjusted Poisson analysis was used to assess the associations. The results are reported as the rate ratio (RR) and 95% confidence interval (95% CI).Results Most (95.3%) used social media every day or almost every day, and 62.9% reported having someone they could trust online. The mean CPQ-11–14 score was 10.9 (SD 8.1). Our findings indicated that adolescents with low levels of online social trust presented CPQ11–14 mean scores 8% higher (RR 1.08; 95% CI 1.01–1.15) than their counterparts did, suggesting poorer OHRQoL. The frequency of social media use was not associated with OHRQoL.Conclusions We conclude that online social trust can positively affect adolescents' subjective oral health.
Semantic Smoothness Optimization via Graph-CutEnergy Minimization for Temporal Action Segmentation
Authors: Ansari Mohanna , Fazl-Ersi Ehsan
Published: February 2025

Temporal action segmentation, crucial for understanding human activities in video content, remains a challenging task due to the complexity and variability of human actions. Existing approaches, such as temporal convolutional networks (TCNs) and transformer-based architectures, often fail to adequately model the intricate dependencies and semantic relationships between sequential actions. In this paper, we propose a novel framework formulated as an energy minimization problem to improve temporal action segmentation. Our approach incorporates data and smoothness costs, utilizing a graph-cut algorithm to achieve energy minimization. The data cost quantifies the likelihood of assigning appropriate semantic labels to frames based on visual features, while the smoothness cost ensures temporal consistency between neighboring frames by modeling semantic transitions. Extensive experiments on the GTEA, 50Salads, and Breakfast datasets demonstrate that our framework outperforms state-of-the-art methods, providing more accurate and temporally consistent action segmentation. By explicitly modeling semantic relationships and ensuring smooth action transitions, our approach contributes to more robust and reliable action recognition in untrimmed video sequences, with potential applications in robotics, video surveillance, and human-computer interaction. The code and datasets supporting the results of this study are publicly available at the project’s \href{https://github.com/MohannaAnsari/SSOG}{GitHub repository}.
Livelihood Diversification and Income Effect of Refugees on Host Community: Evidence from Southwest Ethiopia
Authors: Tholbok Kher Deng
Published: February 2025

International migration and the burden of refugees have become pressing global concerns, particularly in developing countries. Ethiopia, as one of Africa’s largest hosts of international migrants, faces challenges and opportunities posed by refugee presence. This study investigates the impacts of refugees on livelihood diversification and household income in Gambella, southwest Ethiopia. A stratified sampling method identified 200 households based on proximity to refugee camps. Binary logistic regression and propensity score matching were employed for analysis. Results indicate significant negative effects on rural household income, with losses estimated at -105,945.73 ETB. This research underscores the need for tailored livelihood strategies and further exploration of refugee impacts on host community well-being.
Individualisiertes Lernen mit digitalen Bildungsressourcen
Authors: Pietrusky Stefan , Kalz Marco
Published: February 2025

Ziel dieser Studie ist die Entwicklung eines Konzepts für die einheitliche Gestaltung digitaler Bildungsressourcen anhand verbindlicher Kriterien zur Förderung individualisierten Lernens im Unterricht. Während die aktuelle Literatur viel Wert auf OER legt, wird die Anpassungsfähigkeit digitaler Bildungsressourcen unabhängig von Lizenzfragen weniger diskutiert. Zudem fehlen Daten zur höheren Wirksamkeit von OER im Vergleich zu kommerziellen Bildungsressourcen. Daher wurde auf der Basis pädagogischer und lernpsychologischer Theorien ein theoretisches Konzept mit verbindlichen Kriterien für digitale Bildungsressourcen (DER) aus Lehrerperspektive entwickelt. Eine Delphi-Studie mit Lehramtsstudent:innen und Lehrenden identifizierte in der ersten Runde (N = 69) 19 wichtige Kriterien. In der zweiten Runde (N = 88) wurde die Wichtigkeit der Kriterien beurteilt und dabei festgestellt, dass eine höhere Häufigkeit eines Kriteriums (erste Runde) mit einer hohen durchschnittlichen Zustimmung (zweite Runde) korrelierte, was auf eine starke Zustimmung hinweist. Die drei wichtigsten Kriterien für DER sind Benutzerfreundlichkeit, Adaptierbarkeit und Verständlichkeit. Die kostenlose Verfügbarkeit von digitalen Bildungsressourcen wurde im Vergleich zu anderen Bewertungskriterien als weit weniger bedeutsam eingestuft. Die Ergebnisse der Delphi-Studie zeigen die Notwendigkeit alternativer Konzepte mit eindeutigen Kriterien zur Entwicklung digitaler Bildungsressourcen, die individualisiertes Lernen aus Sicht von Lehrer:innen fördern.
Clock and watch
Authors: Barraud Cécile
Published: February 2025

In the society of Tanebar-Evav, which is located on a small island to the southwest of the Kei archipelago, Southeast Moluccas, as in many other societies in the Lesser Sunda Islands, a sophisticated system of counting months has been developed that combines lunar cycles with the agricultural cycle, including movements and landmarks in the space of and around the island, in its marine territory. The different space-times are organized hierarchically and fix the relationships between houses and villagers under the guidance of the ‘elders’, who are responsible for the village governance. What is specific about Tanebar-Evav society is the asymmetry that exists between the cycle of the seasons and the ‘watch’ or ‘lookout’ of the Guardians of the Land which ritually marks the major event, the cultivation of millet, during about eight months of the year. In this regard, ritual sequences are all spatial-temporal markers. Methodologically, the analysis examines the vocabulary used for the different ways of evoking the past, present and future, night and day, the sun, the phases and positions of the moon and the seasons. This highlights what may appear to be incongruities or contradictions, particularly in relation to orientations, duration, the succession of generations in relation to the ancestors and the role of the elders at the front of the sailing boat keeping a lookout to avoid the risks to the society as a whole. Above all, these inconsistencies make it comparatively difficult to conceptualize different perceptions of time. The analysis refers to a number of social anthropologists who have addressed the concept of ‘time’ and its use in different types of society and relies on their suggestions.
Christoph Antweiler: Anthropologie im Anthropozän. Darmstadt 2022
Authors: Grana-Behrens Daniel
Published: February 2025

Buchbesprechung
Combining Hyperspectral Imaging and a Transparent Hydroponics Bed to Analyze Growth and Age Distribution Dynamics of Entire Root Systems in Leafy Vegetables under In Situ Production Conditions
Authors: Jin Ziyi , Yasutake Daisuke , Sago Yuki , Iwao Tadashige , Yokoyama Gaku , Hirota Tomoyoshi
Published: February 2025

Existing methods of observing plant roots are often limited by their inability to monitor the physiological information of root system under actual agricultural conditions. To address this limitation, we developed a novel method that enables nonlaboratory monitoring of the growth characteristics of crop root systems. This study explored the application of hyperspectral imaging technology to analyze the dynamic growth and aging of root systems throughout the cultivation period, specifically focusing on spinach (Spinacia oleracea L., cv. Wase Kurone Horenso) roots in a transparent hydroponics bed in a nutrient film technique (NFT) system. Root systems of spinach grown in the transparent bed were observed daily using a hyperspectral camera. An optimal index for the classification of root ages (days after emergence) was determined as the ratio of reflectance at 498 and 601 nm. Additionally, the distribution of root age was visualized over the entire cultivation period and showed the daily dynamics of root growth and aging. This study is useful for analyzing not only the growth but also the proportion of roots at different ages in the entire root system. This deepens our understanding of root development in soilless farming environments and provides an efficient, nondestructive technique for evaluating root vitality and developmental patterns.
Phenolic complex of Bastardo Magarachsky grape cultivar and factors determining its formation
Authors: Cherviak S. N. , Boyko V. A. , Oleinikova V. A. , Romanov А. V.
Published: February 2025

In the context of climate change, it is of utmost importance to study the transformation of carbohydrate-acid and phenolic complexes of grapes as they reach technical and phenolic ripeness, the discrepancy between which is increasing against the background of climate change. Studies in this direction are relevant, and in future they will open the way to predict the response of a grape plant to abiotic environmental factors, the formation of quality indicators of raw materials and finished products. The studies conducted allowed revealing the effect of various factors on the formation of phenolic complex of red grapes. It was shown that the total anthocyanin potential in the studied grape samples varied from 735 to 1976 mg/dm3 and was characterized as average → excellent. The dependence of the percentage of extracted anthocyanins on the mass concentration of sugars in grapes, expressed by a cuspidal function, was established. The maximum degree of anthocyanin extractability was observed at grape sugar content of 19–23 g/100 cm3, and amounted to 53–65%. The positive effect of the cold night index on the total anthocyanin potential of grapes was confirmed (r = –0.58). At the same time, a direct dependence (r = 0.75) was observed between the degree of anthocyanin extraction from grapes and the cold night index. The authors established a decrease in the content of phenolic substances in must after pressing whole berries as the value of the glucoacidimetric indicator increased (r = –0.70), as well as a decrease in the mass concentration of phenolic substances after 4 hours of infusion (r = –0.59). From 82.7 to 96.3% of all phenolic substances in grapes were represented by flavan3-ols and anthocyanins. The predominant anthocyanins in grapes were malvidin3-Oglucoside and malvidin3-Ocoumaroylglucoside. The mass concentration of malvidin3-Oglucoside ranged from 580 to 1224 mg/kg or 47.4–81.3% of all grape anthocyanins. The proportion of malvidin3-Ocoumaroylglucoside amounted to 9.3–23.8% of anthocyanin complex components.
ÜNİVERSİTE ÖĞRENCİLERİNİN BARINMA SORUNLARI VE BU SORUNLARI GİDERMEYE YÖNELİK ÇÖZÜM ÖNERİLERİ
Authors: Akalın Mehmet
Published: February 2025

Türkiye'de son yıllarda hızlı ve plansız olarak gerçekleşen üniversiteleşme faaliyetleri nedeniyle, yükseköğrenimde eğitim gören öğrenci sayısı önemli ölçüde artmıştır. Öğrenci sayılarında görülen bu artışlara rağmen özellikle büyük kentlerde yeterli kapasitede yurt ve diğer barınma olanakları eş zamanlı olarak sunulamamıştır. Bunun yanı sıra pandemi süreci, sabit kur politikası, yüksek enflasyon, deprem felaketi gibi gelişmeler Türkiye’de konut kira fiyatlarını astronomik düzeyde arttırarak öğrencilerin barınma krizi yaşamalarına neden olmuştur. Barınma problemleri nedeniyle kayıt donduran, okulu bırakan ya da şer odaklarının güdümüne giren öğrenci sayısında yaşanan artışlar, bu sorunun geçici yöntemlerden ziyade devlet tarafından kalıcı olarak çözülmesi gerekliliğini ortaya koymuştur. Çalışmada nitel veri analizi yöntemi kullanılmak sureti ile öğrencilerin barınma tercihleri, yurtların yatak kapasiteleri, öğrenci başına düşen yatak sayıları belirlenmeye çalışılmıştır. Nitel veri analizi desenine uygun olarak bu çalışmada öncelikle Yüksek Öğretim Kurumu (YÖK), Gençlik ve Spor Bakanlığı (GSB), Kredi ve Yurt Hizmetleri Genel Müdürlüğü (KYGM), Türkiye İstatistik Kurumu (TÜİK) ve Millî Eğitim Bakanlığı (MEB) gibi Resmî Kurumlardan ham veriler elde edilmiştir. Bu veriler işlenerek özet veri setleri haline getirilmiştir. Veri setleri dönemsel ve bölgesel olarak karşılaştırılmış, değişim düzeyleri belirlenmiştir. Son olarak ise farklı kurum ve kuruluşlardan elde edilen veriler birbiri ile ilişkilendirilerek; yükseköğrenim öğrencilerinin barınma sorunun nedenleri, sonuçları ve bu sorunlara yönelik muhtemel çözüm önerileri tartışılmıştır.
Analisis Penghematan Daya Listrik dengan Implementasi FX-80 Supervisor Controller pada Sistem Water Chiller
Authors: Yoshua Axel , Wahab Wahidin , Hugeng
Published: February 2025

Penelitian ini bertujuan untuk menganalisis konsumsi daya listrik dan efisiensi sistem pendingin antara FX-80 Supervisor Controller dan sistem tanpa kontroler di lapangan. Pengukuran dilakukan selama satu tahun dengan mengambil data konsumsi daya listrik dan Coefficient of Performance (COP) setiap bulan. Hasil penelitian menunjukkan bahwa sistem dengan FX-80 Supervisor Controller mengonsumsi daya listrik lebih rendah dan memiliki COP lebih tinggi dibandingkan sistem tanpa kontroler.  Efisiensi yang lebih tinggi pada sistem dengan kontroler menunjukkan potensi penghematan energi yang signifikan bagi perusahaan. Penelitian ini merekomendasikan penggunaan kontroler dalam sistem pendingin untuk meningkatkan efisiensi energi.
Pengaruh Pendekatan Test Driven, Behavior Driven dan Model Driven terhadap Pengembangan Perangkat Lunak Metode Scrum
Authors: Waluyo Prihadi Beny , Indriyanta Gani , Tampubolon Karel
Published: February 2025

Penelitian ini mengkaji pengaruh pengintegrasian metodologi Test-Driven Development (TDD), Behavior-Driven Development (BDD), dan Model-Driven Development (MDD) dalam kerangka kerja Scrum terhadap efektivitas dan efisiensi dalam pengembangan perangkat lunak. Melalui analisis literatur yang komprehensif, penelitian ini mengeksplorasi bagaimana setiap metodologi memperkuat aspek tertentu dari proses Scrum. TDD ditemukan meningkatkan keandalan dan akurasi pengembangan dengan penekanan pada pengujian berkelanjutan, sedangkan BDD memperbaiki komunikasi dan kolaborasi antar stakeholder dengan menggunakan bahasa yang jelas dan mudah dipahami. MDD menyediakan mekanisme efisien untuk mengatasi desain sistem yang kompleks melalui model abstrak yang secara otomatis diubah menjadi kode. Hasil studi menunjukkan bahwa integrasi ketiga metodologi ini menawarkan peningkatan signifikan dalam kualitas dan kecepatan pengembangan, dengan memanfaatkan kekuatan spesifik dari setiap metodologi untuk mengoptimalkan siklus pengembangan dalam proyek Scrum. Implikasi dari temuan ini relevan bagi praktisi yang berkecimpung dalam pengembangan perangkat lunak Agile serta bagi akademisi yang tertarik dalam penelitian metodologi pengembangan lebih lanjut.
How to create patients revisit intention? A study on private hospitals in Indonesia
Authors: Yanuar Rahmat Syah Tantri , Suyitno Edi
Published: February 2025

This study investigates the factors influencing the revisit intentions of female diabetes patients at private hospitals in Indonesia. The research explores the roles of complaint handling and social media promotion in building patient trust and satisfaction, and their impact on the intention to return. Utilizing a quantitative approach with a survey of 131 respondents, the study employs Partial Least Squares Structural Equation Modeling (PLS-SEM) to analyze the relationships among the factors. The findings reveal that while service quality significantly affects patient satisfaction, it does not directly influence revisit intentions. Effective complaint handling enhances patient trust, particularly for those with more complex diabetes cases, and social media promotion positively impacts both trust and revisit intentions. The implications of these findings suggest that hospitals should focus on improving operational efficiency, handling complaints effectively, and implementing robust social media strategies to strengthen patient loyalty and retention. This research provides valuable insights for healthcare providers aiming to boost patient satisfaction and revisit rates amidst competitive and resource-limited environments.
Enhancing customer value co-creation through online brand interactivity: A comparative analysis of search-hedonic and experience-hedonic products
Authors: Secioria Rae , Zakaria Afiff Adi , Rahayu Hijrah Hati Sri , Gunawan Alif Muhammad
Published: February 2025

This study investigates how online brand interactivity fosters customer value co-creation, a collaborative process in which consumers actively contribute to co-creating value, by enhancing brand experiences at both individual and community levels. Specifically, the study compares the influence of online brand interactivity on customer value co-creation for two types of hedonic products: search-hedonic (Polygon) and experience-hedonic (Vespa) products in Indonesia. Employing a quantitative methodology, data were gathered from 836 active social media participants engaged in these brand communities through a structured online survey. Partial Least Squares Structural Equation Modelling (PLS-SEM) was used to examine the relationships between online brand interactivity, individual and community brand experiences, and customer value co-creation.The findings reveal that online brand interactivity significantly enhances both individual and community brand experiences (β = 0.523 and β = 0.599, respectively), which, in turn, drive customer value co-creation (β = 0.147 and β = 0.446). Furthermore, the results indicate that the impact of online brand interactivity is stronger for search-hedonic products compared to experience-hedonic products. This suggests that product type moderates the effect of interactivity on brand experiences and, consequently, on customer value co-creation. These insights underscore the importance of customizing brand interactivity strategies according to product characteristics to optimize customer value co-creation, particularly within the hedonic product market.
A TDK kihívásai a Budapesti Gazdasági Egyetem Külkereskedelmi Karán: Miként lehetne motiválni a hallgatókat a részvételre?
Authors: Mucha László , Hukné Kiss Szilvia , Vámosi Tamás , Zarándné Vámosi Kornélia
Published: February 2025

A Tudományos Diákköri konferenciákon (TDK) résztvevő hall-gatók számának növekedése érdekében jelen kutatás célja feltárni a hallgatói távolmaradás okait, és azon szempontokat, amelyek a részvételre motiválnák vagy demotiválják őket. Kutatásunkban kvalitatív és kvantitatív módszereket egyaránt alkalmaztunk. Tíz, minimum 4,5-ös átlaggal rendelkező hallgatóval készítettünk interjút, majd a kvalitatív információk számszerűsítésére kér-dőíves megkérdezést folytattunk 171 hallgató részvételével. Eredményeink alapján a megkérdezett hallgatók elsősorban az időhiánnyal és a nem megfele-lő tájékozottságukkal magyarázták távolmaradásukat, és sajnos az érdektelen-ség is megfigyelhető volt. A hallgatókat elsősorban azok a szempontok mo-tiválnák a TDK dolgozat megírására, amelyek kézzelfogható és lehetőleg azonnali előnyt jelentek a számukra. A demotivációs tényezők közül kiemelendő az időhiány, az egyetemi tanulmányaik mellett vállalt munkavégzés és az általuk szükségesnek ítélt információk hiánya. Az egyetemi, valamint a szakmai előrehaladásra vonatkozó szempontokat mind nagyon motiváló tényezőnek értékelték, ugyanakkor sajnos a tudományos érték előállítása nem volt fontos számukra. Eredményeink alapján javasoljuk, hogy az oktatók bevonása mellett mind nagyobb teret kapjon a hallgatótársak szerepeltetése is. Ezért hasznosnak látjuk a TDK demonstrátori poszt létre-hozását, ahol a demonstrátor a célközönség korosztályából kerül ki. A demon-strátor hallgató segítségével minden bizonnyal könnyebben el lehetne érni és megfelelő üzenetekkel ellátni olyan, a TDK kommunikációban még kevéssé jellemző csatornákat, mint az Instagram és a TikTok. A kutatás alapján ér-demes lenne az egyes képzéseken és szakokon a hallgatók felé különbséget tenni a kommunikációban és az információk súlypontjában.
Improving groundwater treatment decisions using Giardia and total aerobic spores to assess surface water influence
Authors: Berger Philip , Crosby Jake , Wallis Peter , Hain Ethan , Hutchinson Marcella
Published: February 2025

Giardia and Cryptosporidium detection in public water supply (PWS) ground water is rare. PWSs are identified as ground water under the direct influence of surface water (GWUDI) using microscopic particulate analysis (MPA) to determine GWUDI. A Canadian dataset of 1,221 samples from 590 ground water devices was collected during the years 2006–2020. Samples were analyzed using the suggested MPA method (for diatoms), for total aerobic spore (TAS), and for parasitic protozoa (EPA Method 1623) (727 samples using the EPA MPA-suggested method, 494 samples using US EPA Method 1623). Giardia cysts were found in 21 samples collected from 16 drinking water production devices. Cryptosporidium oocysts were found in three devices, co-occurring with Giardia. These detections in routine PWS samples using US EPA Method 1623 are the most robust reported detections worldwide. A generalized linear model was used to determine the co-occurrence of TAS or diatom with Giardia and demonstrated that diatoms supplemented by TAS were better than diatoms alone. Diatoms and TAS have complementary parameter sensitivity and specificity when analyzed by sample and by device, i.e. sensitivity (by sample): TAS 78%; diatoms 24% and specificity (by device): TAS 39%; diatoms 87%.
A combined model based on secondary decomposition and the optimized support vector machine algorithm for regional rainfall forecasting
Authors: Zhang Xianqi , Cheng Wanhui , Zhang Yuehan , Zhu Jie , Ren He
Published: February 2025

The rainfall series exhibits uncertainty and non-stationarity. Improving the accuracy of rainfall prediction is of significant importance for flood prevention and mitigation. This study proposes a hybrid model and applies it to rainfall forecasting in the eastern region of Hubei Province. The proposed method first uses variational mode decomposition and improved complete ensemble empirical mode decomposition with adaptive noise to reduce high-frequency noise components. Then, particle swarm optimization and support vector machine are used for training and forecasting. Compared with other models, the prediction model after noise reduction shows better performance than the model without secondary decomposition, with results that are closer to the actual values. The proposed hybrid model outperforms other models, with the predicted trend more closely aligning with the actual data, and the value of R² of predictions for individual cities reaches 0.96. This study not only provides an efficient method for rainfall forecasting but also holds significant importance for understanding and addressing climate change.
Exploring the role of inter-municipal cooperation for promoting water circular economy: Insights from a Southern European country
Authors: Riazi Fayaz , Fidélis Teresa , Teles Filipe
Published: February 2025

This article analyses the role of inter-municipal cooperation (IMC) as a governance model in promoting water circular economy (WCE) and water reuse practices. Despite the potential benefits offered by IMC, little is known about how could contribute to fostering WCE adoption. The article develops and uses a framework to assess the role of IMC in advancing WCE strategies, addressing three key dimensions: involvement of IMC in advancing WCE, robust governance for WCE, and territorial fit and spatial concerns. It uses Portugal as a case study within the South European Union, where water scarcity and interest in IMC approaches are growing. Considering the emphasis on collaboration in legal and legislative frameworks, the results show the constrained role of inter-municipal communities in promoting the WCE through water reuse in Portugal. In addition, the limited integration of water reuse into territorial strategies highlights the lack of integration of water management and spatial planning. Moreover, the robustness of governance is hindered by a lack of funding, inadequate infrastructure, spatial barriers, a lack of experts or knowledge, and a deficiency in common goals or diversity of interests. Further research is essential to address territorial fit and spatial considerations critical to WCE adoption.
Determining the molecular diffusion coefficient of naphthenic acid in water as a heavy oil pollutant by experimental method
Authors: Sotoudeh Yaser , Niksokhan Mohammad Hossein , Karbassi Abdolreza , Baghdadi Majid
Published: February 2025

Naphthenic acids are the most significant environmental pollutants created by the extraction of oil from oil sand deposits. Since the diffusion coefficient of naphthenic acid has a direct effect on the modeling of diffusion and advection and determining its behavior and movement in water, this number is needed for modeling work and future studies. In this study, the diffusion coefficient of this substance in water was determined experimentally and in a laboratory. The researchers used the device of the Armfield company, known as the device for determining the diffusion coefficient in liquids. In this research, after examining different methods of determining the concentration of naphthenic acid in the water, including UV–vis, chemical oxygen demand (COD), crystal violet, oxidation reduction potential, pH meter, and electrical conductivity meter, the COD method was the best method in determining the concentration at different times, which provided a suitable numerical range for the concentrations and a device was built for heavy oil pollutants with poor solubility in water to specify the diffusion coefficient, and for the first time, the diffusion coefficient of naphthenic acid in water was obtained with experiments and experimental equations as 0.69 × 10−9 m2/s which indicates the weak diffusion of this substance in water.
MODEL KATECHUMENALNY W PRZYGOTOWANIU DO PIERWSZEJ KOMUNII ŚWIĘTEJ W ARCHIDIECEZJI BIAŁOSTOCKIEJ
Authors: Młyńska Elżbieta
Published: February 2025

Po II Soborze Watykańskim Kościół białostocki otworzył się na nurt odnowy kerygmatycznejw katechezie. Pod wpływem jej prekursorów zaczął odchodzić od katechezy typudydaktycznego i kształtować katechezę inicjacyjną. W przygotowaniu dzieci do sakramentówpojednania i pokuty oraz Eucharystii na terenie parafii archidiecezja białostockawdrożyła katechumenalny model formacji. W oparciu o wieloletnie doświadczenia pastoralneprzygotowała własny program katechezy oraz scenariusze i pomoce do jej realizacji.
Illegitimate Police Task Stress Questionnaire: Development and Psychometric Evaluation
Authors: Iqbal Saleha , Ismail Rozmi , Bin Badayai Abdul Rahman Ahmad , Khizar Umbreen , Amin Rizwana
Published: February 2025

Introduction. In the police profession, illegitimate tasks have detrimental impacts on personal and organizational wellbeing. It affects job performance, job satisfaction level and relationship between law enforcement agencies and the communities they serve. There is no valid questionnaire to measure illegitimate police task stress. The objective of this study was to develop and evaluate the psychometric features of illegitimate police tasks stress questionnaire (IPTSQ). Methods. The present study employed a mixed-methods approach, integrating both qualitative and quantitative methods to explore illegitimate tasks among police officials (N=620) in Pakistan. We conducted exploratory factor analysis on 160 employees and later cross validated on best factor structure identified by way of confirmatory factor analysis on 460 police officials. Results. The result showed that the illegitimate police tasks stress questionnaire was composed of 21 items with 2 factors (unnecessary tasks and unreasonable tasks). The composite reliability of IPTSQ was 0.89. Discussion. In conclusion, it is valid, reliable and easy to use scale. The psychometric properties of this scale are satisfactory, making it well-suited for  research purposes, policies, or decision makers in police department. This scale would help the police department evaluate and prioritize tasks in a way that is consistent with their fundamental goal of maintaining public safety and enforcing the law.
Pre-Service Teachers Perspectives on Stem – Science, Technology, Engineering, and Mathematics
Authors: ‘Azmi Nuha Muhammad , Meita Alfathy Ragil
Published: February 2025

Introduction. Science, Technology, Engineering, and Mathematics which is commonly abbreviated as STEM is one of the contemporary teaching and learning approaches in education. STEM is closely related to education in schools. Several studies wanted to find out how STEM influences students in teaching and learning. Research at the level of higher education has not been done much. More specifically, research on STEM among pre-service teachers has not been widely conducted. This study aims to determine how pre-service teachers perceive each aspect of STEM. Methods. The research method used in this research is qualitative. The data collection techniques in this study were interviews with 49 Pre-Service Teachers. The data obtained were then analyzed using coding techniques. Results and Discussion. The results of the data show that Pre-Service Teachers suggest activities of: (1) Involving Science Concept, (2) Making Experiment, (3) Measuring, (4) Observing, (5) Involving Scientific Phenomenon, and (6) Asking Scientific Questions on aspects of science. In the Technology aspect, the activities are: (1) Using Software, (2) Using Computer, (3) Using Internet and (4) Using Smartphone. In the Engineering aspect, the activities are: (1) Designing Problem Solving Procedure, (2) Making Product, and (3) Operating Tool. Meanwhile, in the Mathematics aspect, the activities are: (1) Using Numbers, (2) Calculating, (3) Finding Patterns, and (4) Using Formulas.
Обзор методов искусственного интеллекта, применяемых в анализе данных функциональной спектроскопии в ближнем инфракрасном диапазоне
Authors: Асадуллаев Рустам Г. , Ситникова Мария А. , Слетов Александр А. , Ситников Андрей В. , Малых Сергей Б.
Published: February 2025

Introduction. Recently, machine learning methods, which are core components of artificial intelligence, have gained popularity in analyzing neurophysiological data. Functional near-infrared spectroscopy (fNIRS) is actively used to study neurocognitive mechanisms. This technology for recording hemodynamic data has a number of advantages, including spatial resolution, non-invasiveness, and the feasibility to conduct studies in natural settings, which has made the technology popular among researchers. Theoretical justification. The analysis of fNIRS results relies on the sequence and selected methods for preliminary processing of raw data, as well as on the classification models employed. This review evaluates various preprocessing methods and examines the approaches to classifying fNIRS data. An essential aspect of preprocessing involves detecting and eliminating physiological artifacts from raw data, utilizing algorithms such as filtering, signal whitening, principal component analysis (PCA) and independent component analysis (ICA), short-channels removal. Methods such as wavelet filtering, spline interpolation, and Kalman filtering are employed to address motion artifacts. Discussion. The review aims to provide an in-depth exploration of machine learning methods, specifically recurrent neural networks (RNN) and convolutional neural networks (CNN), which have been used in various studies for analyzing fNIRS data. The review highlights that leveraging deep learning neural networks can streamline signal preprocessing while achieving higher accuracy compared to traditional approaches in processing neurocognitive data.
Qualidade de alimentos de origem animal servidos em unidades de educação infantil
Authors:   , Lima Felipe Veríssimo de
Published: February 2025

A Política Nacional da Alimentação Escolar (PNAE) é planejada para atender os alunos da rede pública de ensino, ofertando refeições que venham atender as exigências nutricionais, de boa qualidade e seguras. Sabendo que há profissionais nutricionistas elaborando o cardápio e garantindo a oferta de uma alimentação saudável, surge a preocupação quanto à qualidade no processo de produção desta alimentação nas cozinhas das escolas. O objetivo desse estudo foi avaliar as condições higiênico-sanitárias e a qualidade dos alimentos de origem animal, na fase de pré-preparo, presentes no cardápio das Unidades de Educação Infantil (UEI) do município de Mossoró-RN atendidas pelo PNAE. Para isso, selecionou-se 30% das UEI (n=12). Após a permissão da Secretaria de Educação municipal realizou-se três visitas as UEI: a primeira para explicar a proposta do trabalho, a segunda em um dia sem aviso prévio para aplicação do check-list e coleta das amostras (carne bovina, frango, leite em pó, água, suabes de bancada, faca de corte de carnes e tábua de carne), totalizando 84 amostras, e a terceira para divulgação dos resultados e sugestões de melhorias. As análises microbiológicas realizadas foram: coliformes a 35ºC e 45ºC, mesófilos, Staphylococcus spp. e Salmonella spp. nas amostras de alimentos e nos suabes de equipamentos e utensílios: coliformes a 35ºC e 45ºC e mesófilos. Posteriormente foram realizadas análises moleculares para identificação e caracterização de Staphylococcus aureus e o estudo do perfil fenotípico de resistência. O resultado do check-list revelou que 83% das UEI encontram-se classificadas como inadequadas para os parâmetros de condições higiênico-sanitárias. Dos itens avaliados o de “manipuladores” apresentou o maior índice de inadequação (75%). Observou-se contaminação de coliformes a 35ºC e 45ºC na água destinada a preparação dos alimentos, uma elevada presença de mesófilos nas bancadas, tábuas e faca para corte de carnes. Em relação aos alimentos, dos 180 isolados de Staphylococcus spp., 96 (53,3%) foram confirmados como Staphylococcus aureus por PCR. Destes, 62 (64,6%) apresentaram genes para produção de enterotoxinas estafilocócicas (A, G e I). O percentual de resistência à oxacilina e/ou cefoxitina foi observado em 100% dos isolados de S. aureus. O gene mec A e mec C foram encontrado em 84,4% e 55,2% dos isolados. As UEI analisadas apresentam inadequações que podem afetar diretamente a saúde de mais de 1800 pré-escolares matriculados expondo-os ao contato com bactérias superresistentes à antibióticos.