bluuebunny/crossref_metadata_2025_split huggingface dataset:
Accuracy of Self-reported Human Papillomavirus Vaccination Status Among Gay and Bisexual Adolescent Males: Cross-sectional Study
Authors: Chow Eric PF , Fairley Christopher K , Wigan Rebecca , Hocking Jane S , Garland Suzanne M , Cornall Alyssa M , Tabrizi Sepehr N , Chen Marcus Y 
Published: December 2021

Background
Men who have sex with men are a risk group for anal human papillomavirus (HPV) and anal cancer. Australia introduced a universal school-based HPV vaccination program in 2013. Self-reported HPV vaccination status has been widely used in clinical and research settings, but its accuracy is understudied.

Objective
We aimed to examine the accuracy of self-reported HPV vaccination status among gay and bisexual adolescent males.

Methods
We included 192 gay and bisexual males aged 16-20 years from the Human Papillomavirus in Young People Epidemiological Research 2 (HYPER2) study in Melbourne, Australia. All participants had been eligible for the universal school-based HPV vaccination program implemented in 2013 and were asked to self-report their HPV vaccination status. Written informed consent was obtained to verify their HPV vaccination status using records at the National HPV Vaccination Program Register and the Australian Immunisation Register. We calculated the sensitivity, specificity, positive predictive value, and negative predictive value of self-reported HPV vaccination status.

Results
The median age of the 192 males was 19 (IQR 18-20) years. There were 128 males (67%) who had HPV vaccination records documented on either registry. Self-reported HPV vaccination had a sensitivity of 47.7% (95% CI 38.8%-56.7%; 61/128), a specificity of 85.9% (95% CI 75.0%-93.4%; 55/64), a positive predictive value of 87.1% (95% CI 77.0%-93.9%; 61/70), and a negative predictive value of 45.1% (95% CI 36.1%-54.3%; 55/122).

Conclusions
Self-reported HPV vaccination status among Australian gay and bisexual adolescent males underestimates actual vaccination and may be inaccurate for clinical and research purposes.
Optimizing a Just-in-Time Adaptive Intervention to Improve Dietary Adherence in Behavioral Obesity Treatment: Protocol for a Microrandomized Trial
Authors: Goldstein Stephanie P , Zhang Fengqing , Klasnja Predrag , Hoover Adam , Wing Rena R , Thomas John Graham 
Published: December 2021

Background
Behavioral obesity treatment (BOT) is a gold standard approach to weight loss and reduces the risk of cardiovascular disease. However, frequent lapses from the recommended diet stymie weight loss and prevent individuals from actualizing the health benefits of BOT. There is a need for innovative treatment solutions to improve adherence to the prescribed diet in BOT.

Objective
The aim of this study is to optimize a smartphone-based just-in-time adaptive intervention (JITAI) that uses daily surveys to assess triggers for dietary lapses and deliver interventions when the risk of lapse is high. A microrandomized trial design will evaluate the efficacy of any interventions (ie, theory-driven or a generic alert to risk) on the proximal outcome of lapses during BOT, compare the effects of theory-driven interventions with generic risk alerts on the proximal outcome of lapse, and examine contextual moderators of interventions.

Methods
Adults with overweight or obesity and cardiovascular disease risk (n=159) will participate in a 6-month web-based BOT while using the JITAI to prevent dietary lapses. Each time the JITAI detects elevated lapse risk, the participant will be randomized to no intervention, a generic risk alert, or 1 of 4 theory-driven interventions (ie, enhanced education, building self-efficacy, fostering motivation, and improving self-regulation). The primary outcome will be the occurrence of lapse in the 2.5 hours following randomization. Contextual moderators of intervention efficacy will also be explored (eg, location and time of day). The data will inform an optimized JITAI that selects the theory-driven approach most likely to prevent lapses in a given moment.

Results
The recruitment for the microrandomized trial began on April 19, 2021, and is ongoing.

Conclusions
This study will optimize a JITAI for dietary lapses so that it empirically tailors the provision of evidence-based intervention to the individual and context. The finalized JITAI will be evaluated for efficacy in a future randomized controlled trial of distal health outcomes (eg, weight loss).

Trial Registration
ClinicalTrials.gov NCT04784585; http://clinicaltrials.gov/ct2/show/NCT04784585

International Registered Report Identifier (IRRID)
DERR1-10.2196/33568
ANALISIS MOTIF IDEALISME BANTUAN INTERNASIONAL ICRC PADA KRISIS KEMANUSIAAN DI SOMALIA (2011-2016)
Authors: Firli Vidya 
Published: December 2021

<p>Somalia merupakan salah satu negara yang terletak di benua Afrika yang mengalami krisis kemanusiaan sehingga mengakibatkan terjadinya kemiskinan. Keadaan pemerintahannya yang tidak stabil serta tidak adanya kejelasan otoritas pemerintah pusat yang diakui, hal tersebutlah yang membuat adanya ketidakstabilan politik di Somalia sehingga menimbulkan terjadinya konflik internal antara pemerintah Somalia dan kelompok opoosisi. Selain itu juga Somalia merupakan salah satu wilayah yang terkenal akan ketandusannya dan ditahun 2011 mengalami musim kemarau panjang yang mengakibatkan terjadinya kekeringan. Sehingga hal tersebut yang membuat banyaknya korban jiwa yang meninggal, setelah presiden Somalia menyampaikan pidatonya mengenai keadaan krisis kemanusiaan yang terjadi di Somalia menjadi bencana nasional, hal tersebut banyak menyita perhatian publik di kancah internasional salah satunya organisasi kemanusian ICRC. Penelitian ini dilakukan melalui pendekatan kualitatif deskriptif agar bisa menjelaskan lebih rinci lagi mengenai peran ICRC selaku organisasi kemanusiaan dengan menggunakan konsep organisasi internasional untuk menjelaskan kondisi urgensi di Somalia yang membuat ICRC memberikan bantuan internasional, konsep kohesi regional untuk menganalisa adanya sebuah pengaturan atau bentuk kerjasama yang terjalin didalamnya serta motif bantuan internasional <em>alturism motif idealisme </em>yang menjelaskan dampak yang terjadi dari bantuan internasional tersebut dan juga menjelaskan motif dibalik bantuan yang diberikan oleh ICRC kepada Somalia dalam menangani permasalahan krisis kemanusiaan yang ada di Somalia dari tahun 2011 sampai 2016.</p>
Malignant Extracranial Germ Cell Tumours: A First Report by the South African Children’s Cancer Study Group
Authors: Hendricks Marc , Cois Annibale , Geel Jennifer , Plessis Jan du , Bassingthwaighte Mairi , Naidu Gita , Rowe Biance , Buchner Ane , Omar Fareed , Thomas Karla , Uys Ronelle , Zyl Anel van , Heerden Jaques van , Mahlachana Ngoakoana , Vermeulen Johani , Davidson Alan , Frazier Lindsay , Donald Kirsty , Kruger Mariana 
Published: December 2021

OBJECTIVE To determine the overall survival (OS) and
prognostic factors influencing outcomes in children and adolescents with
malignant extracranial germ cell tumours (MEGCTs) in preparation for the
development of a harmonised national treatment
protocol.METHODS A retrospective folder review was undertaken
at nine South African paediatric oncology units to document patient
profiles, tumour and treatment-related data and outcomes for all
children with biopsy proven MEGCTs from birth up to and including 16
years of age. RESULTS Between 1 January 2000 and 31 December
2015, 218 patients were diagnosed with MEGCTs. Female sex (HR 0.284
p=0.037) and higher socio-economic status (SES) (HR 0.071; p=0.039) were
associated with a significantly lower risk of death. Advanced clinical
stage at diagnosis significantly affected 5-year OS: stage I -96%;
stage II - 94.3%; stage III -75.5%; (p=0.017) and stage IV (60.1%;
p<0.001). There was a significant association between earlier
stage at presentation and higher SES (p=0.03). Patients with a serum AFP
level of more than 33,000 ng/ml at diagnosis had significantly poorer
outcomes (p=0.002). The use of chemotherapy significantly improved
survival, irrespective of the regimen used
(p<0.001). CONCLUSIONS The cohort demonstrated a
5-year OS of 80.3% with an EFS of 75.3%. Stage, the use of
chemotherapy and an elevated serum AFP level of more than 33,000ng/ml
were independently predictive of outcome. The relationship between SES
and outcome is important as the implementation of the new national
protocol hopes to standardise care across the socio-economic divide.
Аналіз парадигми Semi-supervised learning для класифікації мультимодальних даних
Authors: Бойко Н. 
Published: December 2021

У роботі розглядаються алгоритми машинного навчання. Увага зосереджена на напівконтрольному навчанні, яке здається балансом між точністю навчання з учителем та витратами методів навчання без учителя. Розглядаються приклади ретельного опрацювання мічених наборів даних, для яких навчання під наглядом може бути дуже ефективним. Порівнюються підходи semi-supervised та supervised та проаналізована ефективність кожного. В роботі розглядаються підходи S3VM та TSVM. Метою роботи було дослідити чи можуть напівконтрольовані підходи конкурувати з контрольованими або навіть їх перевершити. Описується застосування даних підходів до запропонованого датасету для визначення більш точної класифікації даних, а саме на опорній межі.
Концептуальна модель оцінювання рівня керованості процесами у складних системах враховуючи ризик-орієнтовані фактори
Authors: Поліщук В. В. , Келемен Мирослав , Млавець Ю. Ю. , Тимошенко О. А. , Келемен Мартін 
Published: December 2021

Проведено дослідження актуальної задачі розроблення концептуальної моделі оцінювання рівня керованості процесами у складних системах враховуючи ризик-орієнтовані фактори.
У дослідженні вперше запропоновано етапи управління ризиками у процесі оцінювання рівня керованості складних систем. Формалізовано вхідні дані, що використовуються для оцінювання ризиків за допомогою нечітких моделей для різних складних систем, а саме: показники ризику, що оцінюється деяким експертом за допомогою лінгвістичної змінної; кількісної оцінки «достовірностей» експертів щодо міркувань про показник ризику; кількісної оцінки критерію ризику на основі інтелектуального аналізу даних величин, що породжують ризик, із застосуванням теорії нечітких множин та функцій належності; лінгвістичної змінної наслідків реалізації загроз на систему; степінь можливості реалізації загрози в системі; тяжкість наслідків інциденту по активу системи, що оцінюється деяким експертом за допомогою лінгвістичної змінної.
Вперше запропоновано концептуальну модель, що розв’язує клас задач оцінювання керованості процесами у складних системах враховуючи ризик-орієнтовані фактори впливу та алгоритм вибору моделі ризик-орієнтованого оцінювання. В результаті отримуємо вихідну оцінку, що несе зміст керованості процесів у системі враховуючи ризик-орієнтовані фактори впливу. Як інструмент прикладного застосування пропонуються узагальнені алгоритми, за допомогою яких можна адекватно вирішити інноваційну проблему.
Достовірність отриманих результатів забезпечується коректним використанням теорії нечітких множин для опрацювання експертних знань, системного підходу, що підтверджується результатами досліджень. Проведене дослідження буде корисним інструментом для підтримки прийняття рішень, щодо підвищення керованості процесами у різних складних системах шляхом врахування ризиків та загроз її функціонування.
Experimental analysis of composite materials leaf spring used in automotive
Authors: Adwan Rania , Edan Kader Ekhlas , Yousuf Zedan Lutfi 
Published: December 2021

product modifications or replacement of old products with new and improved material items. Vehicle suspension systems are another area where these developments are carried out on a regular basis. More efforts are being made to improve the user's comfort. Appropriate combination of comfort riding attributes and economics in leaf spring production becomes an evident requirement. Many changes have been made to the suspension system throughout time in order to enhance it. Some of the most recent suspension system innovations include the invention of the parabolic leaf spring and the usage of composite materials for these springs. The implementation of composite materials by replacing steel in conventional leaf springs of a suspension system. Composite material having a lot of good properties like simple fabrication, low weight and low cost to performance .The purpose of this study is to investigate the structural properties of a hybrid leaf spring consisting of 95% Epoxy, 5% carbon, 5% glass fiber, and 5% hybrid carbon-glass fiber composite. The various specimens were produced using the manual layup method, specimen were subjected to tensile, hardness, and fatigue tests, with all data reported and compared. The experimental results showed an increase in Hardness, Tensile, and fatigue life when the reinforcing fibers are applied. The best results of the mechanical test obtained when hybrid reinforcement was applied.
Utilize BIM Technology for Achiveing Sustainable Passengers Terminal in Baghdad International Airport
Authors: M. Kareem Fatima , M. Abd Abbas , N. Zehawi Requiem 
Published: December 2021

The construction of airport infrastructures usually consumes huge amount of energy. In fact, the airport buildings are among the largest energy consumers entities due to their huge size and special operation pattern as well as their unique configuration that facilitate the large number of accommodated passengers. Despite the local energy shortage in Iraq in the last two decades, there is a quite scarce number of researches that deal with sustainable airport buildings. The aim of this research is to analyze the terminal building in Baghdad International Airport in order to find out the best set of modifications that result in an optimal energy consumption and least carbon dioxide emissions. The analysis was conducted by the use of Building Information Modelling (BIM) technology and the associated programs such as; Auto desk Revit 2021 and Auto desk Insight 360, in order to determine the optimal strategies by which the most applicable alternative construction materials and procedures are considered in order to obtain an environmentally and economically sustainable airport terminal buildings. By applying this analysis on Nineveh terminal building in Baghdad International Airport revealed that many alternatives are capable of making tangible reduction in the Energy Use Intensity (EUI). Such reductions are noticed when altering, in the optimum manner, the windows configurations in terms of size, glazing type, and shadings. The alteration of construction materials for walls and roofs also reduces the EUI. It was also found out that the change in lighting control systems and lighting efficiency may reduce EUI. But the major impact could be resulted when altering the Heating/Ventilating/ Air conditioning Systems (HVAC) in the optimum manner which reduces the EUI by 67.15kw/m2/year, and the proper use of photovoltaic panels which provides a sustainable electricity and reduces EUI by 57.08 kWh/m2/year. Accordingly; in the quest of the best procedure to develop a sustainable terminal building, it is highly recommended to alter the HVAC systems and the utilization of the photovoltaic panels on rooftops.
Cyclic Loading Response of Composite Corrugated Steel Plate Shear Walls - Smart Technic
Authors: Salah Hassan Nabaa 
Published: December 2021

The structural element within the whole structure contains structural elements like beams, slabs, columns and reinforced concrete walls. One of the most vertical structural elements is shear wall that built to giving stability to the building, resisting lateral force such as earthquake and wind and to reduce the building deformations. In present study, the analysis of corrugated vertical steel plate shear walls using finite element method by ABAQUS software is examined. Four different modes are analysed in which the first model is vertical corrugated steel shear wall plate, second is the composite shear wall with full interaction, third is the composite shear wall and finally the fourth model is composite shear wall with gap between concrete panel and steel frame to check out the full performance of different shear wall under the effects of cyclic loadings. Displacement, drift and energy dissipation will investigate throughout analysis. Analysis results indicated that the gap and composite action between steel and concrete panel play an important role on the performance of shear wall under cyclic loading. The decrease in displacement of composite shear wall as compared with the steel shear wall reach 11.86%.
Jacobsthal Representation Hybrinomials
Authors: Liana Mirosław , Szynal-Liana Anetta , Włoch Iwona 
Published: December 2021

Abstract
Jacobsthal numbers are a special case of numbers defined recursively by the second order linear relation and for these reasons they are also named as numbers of the Fibonacci type. They have many interpretations, representations and applications in distinct areas of mathematics. In this paper we present the Jacobsthal representation hybrinomials, i.e. polynomials, which are a generalization of Jacobsthal hybrid numbers.
On the r-dynamic coloring of some fan graph families
Authors: Falcón Raúl M. , Venkatachalam M. , Gowri S. , Nandini G. 
Published: December 2021

Abstract
In this paper, we determine the r-dynamic chromatic number of the fan graph Fm,n
and determine sharp bounds of this graph invariant for four related families of graphs: The middle graph M(Fm,n
), the total graph T (Fm,n
), the central graph C(Fm,n
) and the line graph L(Fm,n
). In addition, we determine the r-dynamic chromatic number of each one of these four families of graphs in case of being m = 1.
On the Complex and Chaotic Dynamics of Standard Logistic Sine Square Map
Authors: Kumari Sudesh , Chugh Renu , Miculescu Radu 
Published: December 2021

Abstract
In this article, we set up a new nonlinear dynamical system which is derived by combining logistic map and sine square map in Mann orbit (a two step feedback process) for ameliorating the stability performance of chaotic system and name it Standard Logistic Sine Square Map (SLSSM). The purpose of this paper is to study the whole dynamical behavior of the proposed map (SLSSM) through various introduced aspects consisting fixed point and stability analysis, time series representation, bifurcation diagram and Lyapunov exponent. Moreover, we show that our map is significantly superior than existing other one dimensional maps. We investigate that the chaotic and complex behavior of SLSSM can be controlled by selecting control parameters carefully. Also, the range of convergence and stability can be made to increase drastically. This new system (SLSSM) might be used to achieve better results in cryptography and to study chaos synchronization.
Bounds for the minimum distance function
Authors: Núñez-Betancourt Luis , Pitones Yuriko , Villarreal Rafael H. 
Published: December 2021

Abstract
Let I be a homogeneous ideal in a polynomial ring S. In this paper, we extend the study of the asymptotic behavior of the minimum distance function δI
of I and give bounds for its stabilization point, rI
, when I is an F -pure or a square-free monomial ideal. These bounds are related with the dimension and the Castelnuovo–Mumford regularity of I.
Non-Darcian-Bènard Double Diffusive Magneto-Marangoni Convection in a Two Layer System with Constant Heat Source/Sink
Authors: Manjunatha N. , Sumithra R. 
Published: December 2021

The problem of non-Darcian-Bènard double diffusive magneto-Marangoni convection is considered in a horizontal infinite two layer system. The system consists of a two-component fluid layer placed above a porous layer, saturated with the same fluid with a constant heat sources/sink in both the layers, in the presence of a vertical magnetic field. The lower porous layer is bounded by rigid boundary, while the upper boundary of the fluid region is free with the presence of Marangoni effects. The system of ordinary differential equations obtained after normal mode analysis is solved in a closed form for the eigenvalue and the Thermal Marangoni Number (TMN) for two cases of Thermal Boundary Combinations (TBC); these are type (i) Adiabatic-Adiabatic and type (ii) Adiabatic-Isothermal. The corresponding two TMNs are obtained and the impacts of the porous parameter, solute Marangoni number, modified internal Rayleigh numbers, viscosity ratio, and the diffusivity ratios on the non-Darcian-Bènard double diffusive magneto - Marangoni convection are studied in detail.
HUBUNGAN ANTARA DEPRESI DAN MEROKOK PADA SISWA SEKOLAH MENENGAH PERTAMA DI JAKARTA
Authors: Casey Anthea , Uinarni Herlina , Suryani Eva , Agus Dharmady 
Published: December 2021

Latar Belakang: Jumlah remaja yang depresi dan merokok di Indonesia mengalami peningkatan yang cukup tajam. Literatur-literatur menunjukkan bahwa remaja yang merokok memiliki kemungkinan lebih tinggi untuk mengalami depresi dan remaja yang depresi memiliki kemungkinan lebih tinggi untuk merokok.
Tujuan Penelitian: Penelitian ini bertujuan untuk mengetahui hubungan antara depresi dan merokok pada siswa SMPN 273.
Metode: Penelitian analitik cross-sectional ini dilakukan di SMPN 273, Jakarta Pusat. Responden adalah 407 siswa SMPN 273 kelas 7, 8, dan 9 (47.9% siswa laki-laki dan 52.1% siswa perempuan) yang mengisi kuesioner depresi dan merokok. Depresi dinilai dengan menggunakan kuesioner BDI-II yang telah divalidasi ke dalam bahasa Indonesia, sedangkan merokok dinilai dengan satu pertanyaan yang membagi responden menjadi 4 kelompok yaitu perokok setiap hari, perokok kadang-kadang, mantan perokok, dan bukan perokok.
Hasil: Terdapat hubungan yang bermakna antara depresi dan merokok pada siswa SMPN 273 (p = 0.000, OR = 2.502). Dari 30.2% siswa yang mengalami depresi, 2.5% siswa adalah perokok setiap hari, 5.4% siswa adalah perokok kadang-kadang, 10.8% siswa adalah mantan perokok, dan 11.5% siswa adalah bukan perokok.
Kesimpulan: Depresi meningkatkan risiko remaja untuk merokok sebesar 2.5 kali. Hal ini mengindikasikan bahwa pencegahan merokok pada remaja perlu disertai dengan pencegahan dan tatalaksana terhadap depresi.
КОМПЛЕКСНОЕ ИССЛЕДОВАНИЕ РАННЕАЛАНСКИХ ЗАХОРОНЕНИЙ IV в. н. э. В СЕВЕРНОЙ ОСЕТИИ
Authors: Д.С. Коробов , В.Ю. Малашев , Й. Фассбиндер 
Published: December 2021

В работе публикуются два новых комплекса с катакомбными захоронениями под курганными насыпями, исследованные в 2019 г. в Моздокском р-не РСО-Алания на курганном некрополе «Киевский I». Коллективом разработан ряд методических приемов по выявлению и локализации подкурганных катакомб на материалах архивной аэрофотосъемки и космоснимков, а также последующего магнитометрического обследования, позволяющего выявить погребальные ровики и захоронения в катакомбах. Проведенные археологические раскопки по результатам геофизических изысканий позволили исследовать две подкурганные катакомбы и одно захоронение в яме. Раскопанные захоронения датируются в рамках второй и третьей четвертей IV в. н. э. и хорошо вписываются в контекст известных на сегодняшний день погребений раннего этапа аланской культуры Среднего Терека, образующих своеобразный локальный вариант древностей алан II–IV вв. н. э.
The paper publishes two new assemblages with Catacomb burials covered with kurgans which were excavated in the Kievskiy I kurgan cemetery in the Mozdok district, the Republic of North Ossetia – Alania in 2019. The team developed a number of methodological guidelines aimed at discovering and localizing catacombs covered with kurgan mounds using archival aerial photos and space images as well as subsequent magnetometry survey that helps identify burial ditches and catacomb graves. Archaeological excavations based on geophysical surveys offered an opportunity to examine two catacombs covered with kurgans and one pit burial. The excavated burials date back to the period between the second and the third quarter of the 4th century. This fits well the context of currently known burials of the early stage of the Alan culture in the Middle Terek region that form a distinctive local variant of the antiquities attributed to the Alans of the 2nd–4th centuries AD.