bluuebunny/crossref_metadata_2025 huggingface dataset:
Survey of RDF Stores & SPARQL Engines for Querying Knowledge Graphs
Authors: ali waqas , Yao Bin , Saleem Muhammad , Hogan Aidan , Ngomo A.-C. Ngonga
Published: April 2021

Recent years have seen the growing adoption of non-relational data models for representing diverse, incomplete data. Among these, the RDF graph-based data model has seen ever-broadening adoption, particularly on the Web. This adoption has prompted the standardization of the SPARQL query language for RDF, as well as the development of a variety of local and distributed engines for processing queries over RDF graphs. These engines implement a diverse range of specialized techniques for storage, indexing, and query processing. A number of benchmarks, based on both synthetic and real-world data, have also emerged to allow for contrasting the performance of different query engines, often at large scale. This survey paper draws together these developments, providing a comprehensive review of the techniques, engines and benchmarks for querying RDF knowledge graphs.
Pré-natal na atenção primária, adequação das consultas e avaliação da assistência í s gestantes: revisão integrativa
Authors: de Freitas Moreno Rodrigues Adriene , Lievore Candido Cecí­lia , Palmeira Campos Greice Kelly , Simoura Barcellos José Emí­lio , Rodrigues Luciano Antonio , Seidel Tássia Sabrina
Published: April 2021

Objetivo: avaliar a assistência í s gestantes na atenção primária í  saúde e a adequação das consultas de pré-natal. Método: trata-se de uma revisão integrativa de literatura, descritiva de abordagem qualitativa, realizada no ano de 2019. Utilizou-se artigos da Biblioteca Virtual em Saúde (BVS), através dos seguintes descritores padronizados no DeCS: qualidade da assistência í  saúde, cuidado pré-natal e saúde da mulher, resultando em 107 artigos. Após filtragem com os critérios de inclusão/exclusão, seguida de uma leitura criteriosa em resposta ao problema de pesquisa, totalizou numa amostra de 14 artigos. Resultados: destes, onze artigos tiveram em suas conclusões a necessidade de mudanças no acompanhamento pré-natal. Conclusão: a pesquisa possibilitou a visualização das dificuldades relacionadas í  gestão, a união da equipe multiprofissional, da capacitação e aperfeiçoamento dos profissionais de saúde, da melhoria das consultas de pré-natal e também da diferença na qualidade da assistência prestada í s mulheres negras e indí­genas.
Czytając Korzeniewskiego
Authors: Osterloff Barbara
Published: April 2021

Artykuł omawia tom Było, minęło…Wspomnienia, zawierający dwanaście tekstów Bohdana Korzeniewskiego, z przedmową Anny Kuligowskiej-Korzeniewskiej i posłowiem Andrzeja Kruczyńskiego (Warszawa 2020). Porządek tej publikacji, otwartej na autobiograficzną wielogatunkowość, wyznacza chronologia przywoływanych zdarzeń, a jej wielkim metatematem jest genealogia polskiej inteligencji, obraz pokolenia, dla którego I wojna światowa, rewolucja, odzyskanie niepodległości były doświadczeniami formacyjnymi, wchodzącego w dorosłe życie w Polsce niepodległej, wychowanego w poczuciu misji. Bohdan Korzeniewski (1905–1992) opisuje swoją młodość w okresie międzywojennym, doświadczenia wojenne i okupacyjne (w wybitnym „dyptyku oświęcimskim”), lata powojenne. Tom, choć zbiera rzeczy znane, napisane w drugiej połowie ubiegłego wieku, wart jest ponowionej lektury, przyciąga przede wszystkim swoją wartością literacką. Wspomnienia Korzeniewskiego czyta się jak pasjonującą autobiografię (i autokreację) polskiego inteligenta, świadka dwudziestowiecznej historii zmagającego się ze światem i z samym sobą.
Глибинне навчання для аудіо-додатків
Authors: Логвін A.
Published: April 2021

Розкрито принципи застосування глибокого навчання для нейронних мереж щодо розпізнавання аудіо-сигналів. Відокремлено області подання звуку. Підкреслено, що дослідження буде обмежено аудіо-сигналами. Описано принципи розбиття сигналу на складові елементи та їх вилучення із аудіо запису. Наведено схему формування розподілу аудіо-сигналу  та запропоновано загальний підхід до задачі розпізнавання аудіо-сигналів. Він умовно поділений на три окремі етапи: обробка аудіо-запису та його перетворення у частотно-часову область, побудова спектрограми та її перетворення на формат з подальшим виведенням послідовності ознак у вигляді векторів. Визначений коефіцієнт накладання та середньозважений коефіцієнт перекриття (частковий збіг). Сформовано низку значень на основі проведеного експерименту, які показали, що на характеристики / параметри аудіо-додатків, сформовані за допомогою нейронної мережі з глибоким навчанням, має вплив метод підготовки даних, додавання шарів та формування спектру одиниць, що покращує результат за рахунок помноженого часу навчання, те саме стосується і періодичних з'єднань.
Особливості реалізації етапу проєктування програмного продукту Scrum-командою у програмному середовищі Visual Studio.
Authors: Вавіленкова A.
Published: April 2021

Проаналізовано та описано роль членів командного проєкту за методологією Scrum. Зосереджено увагу на важливості проєктування, як одного з основних етапів життєвого циклу розробки програмного забезпечення. Висвітлено основні моменти процесу реалізації етапу проєктування в програмному середовищі Visual Studio на базі Team Foundation Server з використанням шаблону Scrum. Це дає змогу відтворити всі характерні для Scrum-команди артефакти та візуалізувати процеси вирішення поставлених задач, а за допомогою UML-діаграм отримати необхідні моделі для проєктування роботи команди.
Aspects of protection of accounting data in the conditions of use of innovation and information technologies.
Authors: Марценюк В. , Сверстюк A. , Андрущак І. , Чудовець В. , Кошелюк В.
Published: April 2021

The article examines the current state of cybersecurity and identification of cyber threats in the use of credentials, the formulation of measures to minimize the risk of theft, damage or loss of confidential accounting information in the cyber environment of its use and maintenance
Розробка інформаційної системи управління електроспоживанням у розумному будинку.
Authors: Ковівчак Я. , Дубук В. , Слюсар В.
Published: April 2021

Стаття присвячена дослідженню та розробці інформаційної системи управління електроспоживанням у ро­зумному будинку. У статті проведено аналіз основних існуючих систем та програмних засобів управління електро­спо­жи­ван­ням у розумному будинку. Приведено їх переваги та недоліки. Запропоновано структурну схему системи з урахуванням виз­начених інформаційних потоків. Розроблено програмні модулі та інтерфейс користувача системи управління електро­спо­жи­ванням у розумному будинку.
自我报告症状对农民健康的概率评估：以尼日利亚库拉地方政府地区的卡诺州为例
Authors: Raimi Morufu Olalekan
Published: April 2021

背景：今天，现代农业严重依赖农药的使用，每年以常规方式将惊人的1.5亿吨肥料和600万吨农药施用于田地和农作物，以提高农业产量。由于对人类的直接作用，许多农药已经成为一个问题。因此，想要增加信心和充实农民首先要认识到改变农药使用的必要性，无论是通过现有技术还是新技术，例如提高效率、降低成本或有效决策。目的：本研究的目的是评估尼日利亚卡诺州农民自我报告症状的发生频率。方法：建立了一份综合问卷，重点研究了社会人口统计学特征，与使用农药有关的不良健康影响的教育和经验，工作实践的描述以及研究区域农场中使用过的农药清单。在所收集的400份问卷中，有392份被检索并发现可用，占所收集问卷的98％。结果：结果表明，有46.2％的人使用该农药1-5年，48.1％的人使用了10-15年，这些症状的规律表明，大多数被调查者是定期出现这些症状的（头痛56.1％，胃痉挛53.8％，肌肉无力56.5％，呕吐56.8％，头晕58.3％，呼吸急促40.7％，视力模糊45.5％和眼睛刺激66.7％）。结论：专注于农业实践中的农药使用非常重要，因为它所强调的重点在于农民的收入、健康和福祉，在危险潜伏的卡诺州库拉农民地区的各个角落中，已经面临各种各样的长期健康风险的挑战。这当然应该引起州和联邦政府的担忧，政府必须更加发挥作为农民调解人的关键作用，因为这与强调没有贫困（目标一）、零饥饿（目标二）、确保良好健康福祉（目标三）的可持续发展目标非常一致。因此，有必要通过教育农民来持续努力减少食品污染。
Teaching Activities to Contribute to the Environmental Education of the Agricultural Engineer
Authors: Aguilera Yendry Llorente , Molina Maribel Ramírez , Lang Royder García
Published: April 2021

The research aims to develop teaching activities to contribute to the Environmental Education of the future Agricultural Engineer at the Municipal University Center (CUM) Sagua de Tánamo, based on the most up-to-date knowledge about existing environmental problems. The practical contribution is given in the proposal of educational activities of an environmental nature that involve productive entities, peasants and the family itself with the collaboration of community organizations and institutions. Its practical significance consists in the possibility of implementation by teachers to promote environmental training in students of this career, from the Chemistry discipline, contributing to a greater preparation to face the existing environmental problems in the territory. The scientific novelty lies in the conception used when planning teaching activities, to actively involve various members of the community in the development of the production process, which will allow to obtain encouraging results in the teaching-learning process. Theoretical, empirical, experimental methods and documentary review were used. Its practical significance consists in its comprehensive application from a systemic, humanistic and integrating approach to transform the modes of action of students and affects their training.
Patterns of Chemical Pesticide Use and Determinants of Self-Reported Symptoms on Farmers Health: A Case Study in Kano State for Kura Local Government Area of Nigeria
Authors: Isah Hussain Muhammad , Raimi Morufu Olalekan , Sawyerr Henry Olawale
Published: April 2021

Background: Today modern agriculture relies heavily on the use of pesticides and an astonishing 150 million tons of fertilizers and 6 million tons of pesticides are yearly and routinely applied to fields and crops with the purpose of increasing agricultural production. As many of these pesticides have only become a problem because of the direct actions to humans. Hence, instilling conﬁdence and enriching farmers begins with recognizing the need for pesticide use modification, whether through existing or new technologies, such as efficiency, cost reduction or effective decision-making. Objective: The aim of the present study was to assesses the frequency of farmer’s self-reported symptoms in Kano State, Nigeria. Methods: A comprehensive questionnaire was established that focuses on sociodemographic characteristics, education and experience on the adverse health effects associated with the use of the pesticide, description of job practices and a list of used pesticides on the farms in the study area. Of the 400 copies of the administered questionnaires, 392 copies were retrieved and found useable, which represents 98% of the administered questionnaires. Results: Results showed that 46.2% had been using the pesticide for 1-5 years, 48.1% had used it for 10-15, regularity of these symptoms reveals that the majority of the respondents experienced these symptoms on a regular basis (56.1% for headache, 53.8% for stomach cramps, 56.5% for muscles weakness, 56.8% for vomiting, 58.3% for dizziness, 40.7% for shortness of breath, 45.5% for blurred vision and 66.7% for eye irritation. Conclusions: It is important to focus on the use of pesticides in farming practice as it speaks to the emphasis it places on farmers regarding their income, health and wellbeing as danger lurks around the corners for Kura farmers in Kano State, which are already facing challenges from all manners of long-term health risk exposure. This of course should worry the state and federal government. Government must increasingly play the critical role of intercessor for farmers, as this is very much in line with the sustainable development goals (SDGs) which emphasize on no poverty (goal 1), zero hunger (goal 2), ensure good health and well-being (goal 3) towards strengthening agriculture and fast-rack rural development. There is therefore need to intervene by sustaining efforts to reduce food contamination through educating the farmers.
Estudo Etnobotânico de Plantas Medicinais Utilizadas por alguns Moradores de Três Comunidades Rurais do Município de Cabaceiras do Paraguaçu/Bahia
Authors: Rodrigues Eliete Serra , De Brito Noelma Miranda , De Oliveira Vania Jesus Santos
Published: April 2021

As pesquisas etnobotânicas envolvem levantamentos nas sociedades tradicionais sobre o uso dos vegetais na farmacopeia caseira, bem como questões culturais e econômicas da população, além das interações do homem com o meio ambiente. A Etnobotânica é o estudo do conhecimento da flora de uma região, que se preocupa com os sujeitos e com os seus saberes, reúne informações dos que mantiveram relações com os vegetais e com elementos culturais de um povo. Objetivou-se realizar um estudo etnobotânico de plantas medicinais utilizadas em três comunidades rurais do município de Cabaceiras do Paraguaçu/BA. Foram aplicados 286 questionários aos membros das comunidades em suas residências. Para a análise dos dados, empregou-se a frequência relativa. Os participantes foram investigados quanto ao perfil socioeconômico e ao uso das plantas medicinais. Foram identificadas 45 espécies medicinais pertencentes a 25 famílias botânicas. As famílias Lamiaceae e Asteraceae foram as duas famílias botânicas mais representativas no estudo etnobotânico. A família Lamiaceae foi a mais representativa em número de espécies utilizadas como medicinais, e as espécies mais citadas foram capim santo (Cymbopogon citratus Stapf.), erva cidreira (Lippia alba L.), boldo (Plectranthus barbatus Andrews) e hortelã (Mentha spicata L.). As plantas são adquiridas nos quintais das casas, usadas na forma de chá ou infuso. As folhas foram as partes da planta mais utilizadas. Evidenciou-se a importância da realização de estudos etnobotânicos como forma de resgatar e evitar a perda dos saberes tradicionais das comunidades de Jacarezinho, Nova Aparecida e Pé de Serra, e a conservação de espécies medicinais da flora da região.
PELAKSANAAN PROGRAM PEMBERDAYAAN MASYARAKAT MELALUI BADAN USAHA MILIK DESA
Authors: Shifa Ita Nur Layyinatush , Ilyas Ilyas
Published: April 2021

Tujuan dari penelitian ini adalah untuk mendeskripsikan pelaksanaan program pemberdayaan masyarakat melalui badan usaha milik desa di desa Lerep kecamatan Ungaran Barat kabupaten Semarang, hasil pelaksanaan program pemberdayaan masyarakat melalui badan usaha milik desa di desa Lerep kecamatan Ungaran Barat kabupaten Semarang, dan faktor penghambat dan pendukung pelaksanaan program pemberdayaan masyarakat melalui badan usaha milik desa di desa Lerep kecamatan Ungaran Barat kabupaten Semarang. Penelitian ini menggunakan pendekatan kualitatif dengan metode wawancara, observasi, dan dokumentasi dalam pengumpulan datanya. Keabsahan data menggunakan metode triangulasi sumber dan metode. Hasil penelitian menunjukkan adanya (1) pelaksanaan program pemberdayaan masyarakat BUMDES melalui program pariwisata, dalam pemanfaatan sumber alam sebagai tempat wisata, pemanfaat rumah warga sebagai homestay, (2) hasil pelaksanaan program pemberdayaan masyarakat BUMDES, berupa peningkatan pendapatan warga, perbaikan lingkungan fisik daerah, (3) faktor penghambat dan pendukung pelaksanaan program pemberdayaan masyarakat BUMDES yaitu kurangnya modal dan keterbatasan alat-alat oprasional, dalam menunjang kegiatan program. namun dalam mendukung berjalannya program masyarakat memiliki partisipasi yang baik.
Non-dimensional method of capacity limit states for the assessment of the safety level in the structures of large panel buildings.
Authors: BIERANOWSKI Piotr , BARYŁKA Adam
Published: April 2021

In the article deals with the European safety issues of large-panel buildings from the point of view of exceeding the ULS. The proprietary assessment method was proposed under the name: Dimensional Limit States Method, which is dedicated to the assessment of the safety level in the structures of large-panel buildings. The work was based on many years of computer research conducted by the author. In the paper uses the proprietary  construction model of the Wk-70 system building, presents the results for vertical reinforcement inserts.
Production Planning and Emergency Inventory for Demand Surge in Health Supply Chains for Pandemics like COVID-19
Authors: Khaswaneh Amro , Nagarur Nagen
Published: April 2021

This research considers modeling production and inventory quantities in the presence of demand surge due to pandemics like COVID-19. The aim of this research is to help health care organizations better prepare and respond to a demand surge due to a pandemic. A large-scale pandemic such as COVID-19 can cause an overwhelming demand for urgent medical supplies on very short notice. Well-established supply chain planning and modeling are necessary to avoid any national level or company health supply chain problems resulting from demand shortages. This paper addresses the issues from a supply chain perspective. The need to be prepared for any surge in demand is addressed in terms of emergency inventories, including those of Work-in-Process and finished goods. Linear Programming models are developed to minimize the costs of production, inventories, and transportation of goods from one stage to the next stage. Several scenarios are tested out for various levels of demand, cost, and capacities.
Fish health protection in fish farming using ecological methods
Authors: Naumova Avietta , Labenets Aleksandr , Pronina Galina
Published: April 2021

The epizootic state of fish farms and the applied anti-epizootic measures, supplemented by environmental techniques that increase the protection of fish health and the efficiency of fish farming, are presented.
Conductivity inversion in CdSeхTe1-х solid solutions
Authors:   St. Petersburg State Chemical-Pharmaceutical University, Belyaev Alexey P. , Rubetz Vladimir P. ,   Peter the Great St. Petersburg Polytechnic University, Antipov Vladimir V. ,   St Petersburg State Institute of Technology (Technical University), Mokhorov Dmitry A. ,   St Petersburg State Institute of Technology (Technical University)
Published: April 2021

The results of electrical studies of CdSeхTe1-х solid solutions synthesized using the zone of additional heating of the vapor phase are presented. It is established that solid solutions are dishonorable systems. It was found that CdSeхTe1-х solid solutions are characterized by: high resistivity (at T = 298 K up to 109 Ohm∙cm), which increases with tellurium content. It was found that a high value of activation energy (up to 0.64 eV), monotonously decreasing with temperature; an abnormally long time to establish equilibrium after a sharp change in temperature; low Hall mobility (at T = 413 K no more than 100 cm2V-1s-1). It is established that the solid solutions are systems with a high degree of compensation and an inhomogeneous potential relief of the bands due to disordering of the structure. The disordering of the structure in CdSeхTe1-х solid solutions is due to the difference in ionic radii. The ionic radius of cadmium is small (1.03Å), and the ionic radius of tellurium is large (2.21Å). Such systems are characterized by the Frenkel type of natural disorder. An increase in the tellurium content in them promotes the formation of cadmium VCd vacancies with acceptor properties, which at high concentrations lead to an inversion of the type of conductivity from electron to hole. Temperature and concentration dependences of conductivity and Hall mobility are given.
Efficiency of using heteropoly compounds of the type (NH4)2[Co(H2O)4]2[Mo8O27]∙6H2O as catalysts for the production of ethylene
Authors:   Peoples' Friendship University of Russia, Panurin Nikita A. , Isaeva Natalya Yu. ,   Peoples' Friendship University of Russia, Markova Ekaterina B. ,   Peoples' Friendship University of Russia, Sheshko Tatiana F. ,   Peoples' Friendship University of Russia, Cherednechenko Alexander G. ,   Peoples' Friendship University of Russia, Savchenko Alena S. ,   Peoples' Friendship University of Russia, Samoilenko Yulia ,   Peoples' Friendship University of Russia, Kaziev Garry Z. ,   Moscow State Pedagogical University
Published: April 2021

Carrying out heterogeneous acid catalysis with the use of heteropoly compounds has received considerable attention due to the great economic and environmental benefits. In spite of this, its industrial application is limited as there are difficulties in catalyst regeneration (settling) caused by its relatively low thermal stability. The aim of present work was to search and select catalysts related to the class of heteropoly compounds for propane cracking, to test the selectivity of the prosses as well as to discuss possible approaches for solving the problem of catalyst deactivation, that can contribute to achieve stable characteristics of solid heteropoly catalysts. Among these approaches are: the development of new catalysts with high thermal stability, the modification of catalysts to promote coke combustion, the inhibition of coke formation on heteropoly compound catalysts during the process, carrying out the reactions in supercritical media and also the cascade reactions using a multifunctional heteropoly catalyst. The obtained catalyst was also studied by physicochemical methods to get deep knowledge about which features of these compounds influence on the catalytic activity. A highly active and selective catalyst for ammonium octomolybdenocobaltate(II) ammonium (NH4)2[Co(H2O)4]2[Mo8O27]∙6H2O was synthesized for cracking associated petroleum gases. The qualitative, quantitative, and structural composition as well as the specific surface area of the obtained catalyst was established by the methods of X-ray diffraction, X-ray phase and fluorescence analysis. It was revealed that ammonium octomolybdenocobaltate(II) crystallizes in a triclinic syngony with cell parameters: а = 8.6292(9) Å b = 9.4795(10) Å c = 12.2071(13) Å α = 104.326(2)° β = 109.910(2)° γ = 100.820(2)°.
Meningkatkan Kemampuan Motorik Halus Anak Melalui Finger Painting Menggunakan Tepung Singkong
Authors: Wahyuni Rizki , Erdiyanti
Published: April 2021

Penelitian ini bertujuan untuk mengetahui tingkat pencapaian perkembangan motorik halus anak di kelas B Kelompok Bermain Nur’Ain Mola Selatan Kabupaten Wakatobi. Tehnik pengumpulan data yang digunakan adalah observasi, dokumentasi dan penilaian. Sedangkan model yang dipilih untuk melakukan tindakan yaitu siklus model Kemmis dan  Mc Taggart yang memiliki empat tahapan yakni perencanaan, tindakan, observasi dan refleksi. Data perkembangan motorik halus anak diperoleh melalui observasi dan dokumentasi selanjutnya dianalisis dengan menggunakan presentase. Penelitian dilakukan dua siklus, setiap siklus dilakukan dua kali pertemuan. Hasil penelitian menunjukkan bahwa finger painting menggunakan tepung singkong dapat meningkatkan perkembangan motorik halus anak kelas B KB Nur’ain Mola Selatan Kabupaten Wakatobi. Hal ini dapat dilihat hasil observasi yang menunjukkan bahwa perkembangan motorik halus anak mengalami perubahan yang sangat baik. Pada pra siklus atau sebelum dilakukan tindakan penelitian anak yang dikatakan tuntas mencapai 23,07%, pada  siklus I anak yang tuntas mencapai 61,53% dan pada siklus II anak yang tuntas mencapai 84,61%. Hal ini menunjukkan peningkatan dari penelitian awal sampai siklus II keterampilan motorik halus semakin meningkat dan dapat dikatakan berhasil karena telah sesuai dengan indikator tingkat pencapaian yakni 75%.
Kemandirian Anak Usia Dini dengan Penggunaan Media Film Animasi “Nussa dan Rara”
Authors: Lisefti Fatimah Euis , Yulianingsih Yuyun , Syam’iyah
Published: April 2021

Penelitian ini bertujuan untuk mengetahui hubungan antara aktivitas anak pada penggunaan media film animasi “Nussa dan Rara” dengan kemandirian anak usia dini di RA Mubarokah Firrizqi Ciamis. Penelitian ini menggunakan metode penelitian korelasional dengan pendekatan kuantitatif. Data didapat dengan cara observasi, wawancara, angket dan dokumentasi. Analisis data yang digunakan dalam penelitian ini dengan cara mengumpulkan data yang bersifat kuantitatif dengan skala penilaian yang telah ditentukan, menghitung tingkat hubungan, dan diinterpretasikan melalui kesimpulan. Hasil penelitian ini menunjukkan bahwa adanya hubungan yang positif antara kemandirian anak usia dini dengan aktivitas anak pada penggunaan media film animasi “Nussa dan Rara”.
Peran Orangtua dalam Pendidikan Anak Usia Dini di Masa Pandemi Covid-19
Authors: Tanjung Rahmadani
Published: April 2021

Penelitian tindakan ini bertujuan untuk mendiskripsikan peran orang tua dalam implementasi  homeschooling pada anak usia dini di masa pandemi covid-19, serta mengetahu hasil belajar yang diperoleh anak melalui homeschooling. Penelitian ini merupakan penelitian kualitatif study kasus. Informann penelitian satu keluarga, dengan Informansi utama orangtua, dan Informann pendukung anak, paman, dan guru. Data diperoleh dengan wawancara dan observasi partisipan pada keluarga. Data kemudian diolah dengan menggunakan analisis tema. Hasil yang didapat diperoleh dari penelitian ini adalah orang tua mengkondisikan lingkungan keluarga sebaik mungkin untuk menunjang pendidikan anak, hal ini dibuktikan dengan diputarkan ayat-ayat Al-Qur’an setiapmalam, orang tua selalu meluangkan waktu untuk anak dan komunikasi yang baik dalam keluarga. Selanjutnya adanya komitmen dan peran aktif orang tua dalam pelaksanaan metode homeschooling anak nusia dini juga memiliki dampak positif untuk kemampuan akademik maupun non akademik anak.
COMPREHENSIVE ANALYSIS OF REGULATORY IMPACTS ON PERFORMANCE OF SLOVAK PENSION FUNDS
Authors: Papík Mário , Papíková Lenka
Published: April 2021

Standard pay-as-you-go pension system is facing long-term and short-term sustainability challenges in several countries. Possible replacement of standard pension system might be in a form of private pension savings. Private pension savings are meaningful only if they provide sufficiently high returns. The aim of this manuscript is to analyse performance of Slovak pension funds and factors impacting this performance, especially government interventions. This manuscript is focused on enhanced Carhart four-factor model, Bollen and Busse four-factor model, and Fama and French five-factor model based on 23 pension funds from Slovakia from period starting September 2012 and ending September 2019. These models have been extended by other variables describing bond market factors and impact of regulatory interventions on performance of pension funds. Results of analysis have proved that legislative interventions have impact on performance of analysed pension funds. Each legislative intervention has caused average daily yield to decrease by about 0.01% to 0.03%. Findings described in this manuscript can contribute to better knowledge of pension funds for both contributors who need to decide whether to participate in the second pillar or not, as well as for regulators who develop legislation measurements in this area.
Fitting an Analytic Magnetic Field to a Prestellar Core
Authors: Bino Gianfranco , Basu Shantanu
Published: April 2021

We deploy and demonstrate the capabilities of the magnetic field model developed by Ewertowski & Basu by fitting observed polarimetry data of the prestellar core FeSt 1–457. The analytic hourglass magnetic field function derived directly from Maxwell’s equations yields a central-to-surface magnetic field strength ratio in the equatorial plane, as well as magnetic field directions with relative magnitudes throughout the core. This fit emerges from a comparison of a single plane of the model with the polarization map that results from the integrated properties of the magnetic field and dust throughout the core. Importantly, our fit is independent of any assumed density profile of the core. We check the robustness of the fit by using the POLARIS code to create synthetic polarization maps that result from the integrated scattering and emission properties of the dust grains and their radiative transfer, employing an observationally motivated density profile. We find that the synthetic polarization maps obtained from the model also provide a good fit to the observed polarimetry. Our model fits the striking feature of significant curvature of magnetic field lines in the outer part of FeSt 1–457. Combined with independent column density estimates, we infer that the core of size R
gas has a mildly supercritical mass-to-flux ratio and may have formed through dynamical motions starting from a significantly larger radius R. A breakdown of flux freezing through neutral-ion slip (ambipolar diffusion) could be responsible for effecting such a transition from a large-scale magnetic field structure to a more compact gas structure.
Electron Spectrum for the Prompt Emission of Gamma-Ray Bursts in the Synchrotron Radiation Scenario
Authors: Liu Kuan , Lin Da-Bin , Li Jing , Li Yu-Fei , Lu Rui-Jing , Liang En-Wei
Published: April 2021

Growing evidence indicates that the synchrotron radiation mechanism may be responsible for the prompt emission of gamma-ray bursts (GRBs). In the synchrotron radiation scenario, the electron energy spectrum of the prompt emission is diverse in theoretical works and has not been estimated from observations in a general way (i.e., without specifying a certain physical model for the electron spectrum). In this paper, we creatively propose a method to directly estimate the electron spectrum for the prompt emission, without specifying a certain physical model for the electron spectrum in the synchrotron radiation scenario. In this method, an empirical function (i.e., a four-order Bézier curve jointed with a linear function at high energy) is applied to describe the electron spectrum in log–log coordinates. It is found that our empirical function can well mimic the electron spectra obtained in many numerical calculations or simulations. Then, our method can figure out the electron spectrum for the prompt emission without specifying a model. By employing our method on observations, taking GRB 180720B and GRB 160509A as examples, it is found that the obtained electron spectra are generally different from that in the standard fast-cooling scenario and even a broken power law. Moreover, the morphology of electron spectra in its low-energy regime varies with time in a burst and even in a pulse. Our proposed method provides a valuable way to confront the synchrotron radiation mechanism with observations.
Anxiety impact during COVID-19: a systematic review
Authors: Batista Patricia , Duque Vitor , Luzio-Vaz Ana , Pereira Anabela
Published: April 2021

Introduction: The COVID-19 epidemic has been causing serious physical, but also psychological effects in society. This systematic review sought to identify studies that describe COVID-19 related anxiety, and to understand the impact of anxiety assessment in defining strategies to be implemented in future studies.

Methodology: This systematic review included cross-sectional studies with no publication year limit. It was performed a systematic search through three databases, namely, PubMed, Science Direct and Web of Science using the descriptors “COVID-19” and “anxiety”. PRISMA criteria reporting of systematic reviews and meta-analyses were applied. Eligible articles were selected in accordance with inclusion and exclusion criteria. The inclusion criteria were: research articles related with anxiety measurement during the COVID-19 outbreak; interventions to reduce anxiety; and published in English.

Results: From 44 references, just four scientific articles were accepted for inclusion within this review. These studies were analyzed regarding their sample, methodology, instruments used, and its results.

Conclusions: This systematic review was based on published data at the onset of the pandemic, and it could serve as a basis for the development of implementations plans to improve anxiety disorders. The importance of this theme, the implications and potential directions for future investigations will be discussed.
Effects of Malaise trap spacing on species richness and composition of terrestrial arthropod bulk samples
Authors: Steinke Dirk , Braukmann Thomas WA , Manerus Laura , Woodhouse Allan , Elbrecht Vasco
Published: April 2021

The Malaise trap is a popular device for assessing diverse terrestrial arthropod communities because it collects large samples with modest effort. A number of factors influence its collection efficiency, placement being one of them. For instance, when designing larger biotic surveys using arrays of Malaise traps we need to know the optimal distance between individual traps that maximises observable species richness and community composition. We examined the influence of spacing between Malaise traps by metabarcoding samples from two field experiments at a site in Waterloo, Ontario, Canada. For one experiment, we used two trap pairs deployed at weekly increasing distances (3 m increments from 3 to 30 m). The second experiment involved a total of 10 traps set up in a row at 3 m distance intervals for three consecutive weeks.

Results show that community similarity of samples decreases over distance between traps. The amount of species shared between trap pairs drops considerably at about 18 m trap-to-trap distance. This change can be observed across all major taxonomic groups and for two different habitat types (grassland and forest). Large numbers of OTUs found only once within samples cause rather large dissimilarity between distance pairs even at close proximity. This could be caused by a large number of transient species from adjacent habitats which arrive at the trap through passive transport, as well as capture of rare taxa, which end up in different traps by chance.
The illegal hunting and exploitation of porcupines for meat and medicine in Indonesia
Authors: Gomez Lalita
Published: April 2021

Indonesia is home to five species of porcupines, three of which are island endemics. While all five species are currently assessed as Least Concern by the IUCN Red List of Threatened Species, impacts of harvest and trade have not been factored in. To gain a fuller understanding of the porcupine trade in Indonesia, this study examines seizure data of porcupines, their parts and derivatives from January 2013 to June 2020. A total of 39 incidents were obtained amounting to an estimated 452 porcupines. Various confiscated commodities revealed porcupines are traded for consumption, traditional medicine, trophies/charms as well as for privately run wildlife/recreational parks. Targeted hunting of porcupines for commercial international trade was also evident. Porcupines are also persecuted as agricultural pests and wildlife traffickers take advantage of such situations to procure animals for trade. What clearly emerges from this study is that porcupines are being illegally hunted and exploited throughout their range in Indonesia facilitated by poor enforcement and legislative weakness. Porcupines are in decline due to habitat loss, retaliatory killings and uncontrolled poaching. It is therefore crucial that effective conservation measures are taken sooner rather than later to prevent further depletion of these species. Including all porcupines as protected species under Indonesian wildlife laws and listing them in Appendix II of CITES to improve regulation, enforcement and monitoring of domestic and international trade trends involving porcupines in Indonesia would contribute significantly towards this end.
Natural strongholds for red squirrel conservation in Scotland
Authors: Slade Andrew , White Andy , Kortland Kenny , Lurz Peter W. W.
Published: April 2021

The Eurasian Red Squirrel (Sciurus vulgaris) is under threat from the invasive North American eastern Grey Squirrel (Sciurus carolinensis) with 80% of the remaining red squirrel populations in the British Isles found in Scotland. In this study we develop a spatially explicit mathematical model of the red and grey squirrel system and use it to assess the population viability of red squirrels across Scotland. In particular, we aim to identify existing forests – natural strongholds for red squirrels – that can successfully support red squirrels under UK Forestry Standard management and protect them from potential disease-mediated competition from grey squirrels. Our model results indicate that if current levels of grey squirrel control, which restrict or reduce the distribution of grey squirrels, are continued then there will be large expanses of forests in northern Scotland that support viable red squirrel populations. Model results that represent (hypothetical) scenarios where grey squirrel control no longer occurred indicated that grey squirrel range expansion and the process of red squirrel replacement would be slow. Model results for an assumed worst-case scenario where grey squirrels have expanded to all regions in Scotland identified forest regions – denoted natural strongholds – that could currently support red squirrels under UK Forestry Standard management practice. The results will be used to inform forest management policy and support a strategic review of red squirrel management by land management agencies and other stakeholders.
Genetic and Social-Environmental Influences on Substance Use and Disorders
Authors: Meyers Jacquelyn L. , Salvatore Jessica E.
Published: April 2021

The past decade has brought large gains in our understanding of the genetic basis of substance use and related disorders. Gene identification efforts have underscored the highly polygenic nature of substance use behaviors, prompting the development of novel methods for indexing risk from molecular genetic data, such as polygenic approaches to characterize aggregate measured genetic risk. Genetic risk for substance use disorders also varies as a function of the social environment: risky environmental exposures (eg, adverse events) amplify the effects of genetic risk, whereas protective or low-risk environmental exposures minimize the effects of genetic risk. As we move toward a precision medicine model wherein genetic variation can potentially guide personalized treatment plans, it is paramount that we draw upon polygenic methods—consider the powerful role of the social environment in shaping risk for substance use disorders—and incorporate psychosocial treatments that complement pharmacological therapeutic plans.

[
Psychiatr Ann
. 2021;51(4):170–174.]
An Integrative Review of Mentoring Novice Faculty to Teach
Authors: Dahlke Sherry , Raymond Christy , Penconek Tatiana , Swaboda Nicholas
Published: April 2021

Background:

Novice nursing faculty require support and guidance as they transition from clinical practice to teaching in an academic faculty. Mentoring is an important part of faculty development during the transitional experience. Currently, the learning needs of novice nursing faculty and the effects of formal mentorship programs are not well understood.

Method:

An integrative literature review was conducted from five electronic databases. The articles included in the review described primary research studies focused on formal mentorship programs that supported novice faculty in developing their teaching expertise and identified their learning needs.

Results:

The review yielded eight studies that explored different aspects of the mentoring experience. Socialization to Academia and Navigating Mentorship were two key themes developed from the data.

Conclusion:

Included studies described mentoring programs and a clear need for some type of formalized orientation and mentorship process or program to enhance novice nursing faculty transition to the academic setting and role.

[
J Nurs Educ
. 2021;60(4):203–208.]
Examining the Learning Characteristics of Nursing Students: A Literature Review
Authors: Cadet Myriam Jean
Published: April 2021

Background:

Research findings have revealed that some students are not prepared to face the challenges associated with online learning, and attrition rates have been found to be a major concern. This review aimed to investigate the learning characteristics nursing students need before enrolling in online learning to ensure success.

Method:

Electronic databases were searched to investigate the learning characteristics of students for the literature review.

Results:

The search identified a final selection of 24 quantitative and qualitative studies. Readiness to learn, self-efficacy, motivation, persistence, and autonomy are learning characteristics for students to possess when enrolling in online learning environments. However, not all students have these learning characteristics; thus, their learning needs should be assessed.

Conclusion:

More mixed-methods and randomized control trial studies are needed to examine online students' learning characteristics. Nurse educators must evaluate their students to investigate whether online learning fits their learning goals.

[
J Nurs Educ
. 2021;60(4):209–215.]
Exploring Nursing Students' Experiences in the Anatomy Laboratory to Optimize Their Learning
Authors: Antonacci Rosetta , Curiale Lianna Marie , Ventura Nicole , MacMillan Kathleen Elyse , Tsimicalis Argerie
Published: April 2021

Background:

In medicine, dissecting human cadavers is vital for learning anatomy, developing professional skills, and fostering a relationship with the body. This opportunity has received little pedagogical attention in nursing. The purpose of this study was to understand the experiences of nursing students in the human anatomy laboratory to inform strategies that may be implemented to optimize learning.

Method:

A qualitative descriptive study was conducted to analyze reflective assignments completed by undergraduate and graduate nursing students following participation in a required session in the human cadaver anatomy laboratory.

Results:

Overall, 168 assignments were included in the analysis. Three themes were identified: Coping With the Initial Shock, Reflecting on the Salience of Death and Dying, and Acknowledging Impacts on Future Practice.

Conclusion:

The students' reflections support the integration of a human anatomy laboratory session into the nursing curriculum and inform strategies to foster learning and development.

[
J Nurs Educ
. 2021;60(4):221–224.]
Project-Based Research Learning (PBRL) Integrated With E-Learning in Projects Completion
Authors: Sumarmi Sumarmi , Bachri Syamsul , Irawan Listyo Yudha , Aliman Muhammad , Wan Ahmad Wan Ibrahim
Published: April 2021

Project-Based Research Learning (PBRL) is one of the learn-ing models that stimulate students to be active and innovative in developing products. The purposes of this study were to determine 1) the influence of the PBRL integrated with e-learning on students' spatial thinking ability, 2) the influence of the PBRL integrated with e-learning on the students' ability to make disaster management projects, and 3) the influence of the PBRL in-tegrated with e-learning on learning outcomes. The data analysis was used independent samples t-test from six essay questions and grading rubrics measurement. The results showed 1) a significant influence of the PBRL in-tegrated with e-learning on students spatial thinking ability, 2) an influence of the PBRL integrated with e-learning on the students' ability to make dis-aster management projects, and 3) a significant influence of the PBRL inte-grated with e-learning on learning outcomes. The learning model is also ef-fective as an alternative for distance learning.
Developing Multimedia-Based Learning Media for Basic Skill of Teaching Material in Order to Equip Professional Teachers
Authors: Ratnawati Nurul , Wahyuningtyas Neni , Ruja I Nyoman , Habibi Muhammad Mujtaba , Anggraini Rista , The Hery Yanto
Published: April 2021

Learning media is quite important to be used by teachers in learning process. Through the media, teacher can easily deliver lessons, and in the other hand the media helps student comprehend lessons easily. Even more, media encourages student’s independence in learning. This research aims to produce a multimedia-based learning media, lectora, for basic skill of teaching lesson. The research is conducted to students of Social Science Ed-ucation Major who joined Social Studies Micro Teaching Class in June-September 2019. In developing the product, researcher used ADDIE develop-ing model. Data in this research is quantitative, in form of assessment by validator. Meanwhile, qualitative data is in the form of suggestion and comments by material and media expert validator. The result of all validation is a multimedia-based learning media, lectora, for basic skill of teaching les-son, which is appropriate and interesting to use and share to others
Blended Learning Integrated Fieldwork on Fundamentals of Geology Learning During The Covid-19 Pandemic
Authors: Oktavianto Dwi Angga , Sumarmi Sumarmi , Utaya Sugeng , Trayana Didik
Published: April 2021

The purpose of this research was to test the blended learning integrated fieldwork in the Fundamentals of Geology learning. Classroom Action Research (CAR) was used in this study. The research subjects consisted of 32 Grade 10 Mining Geology students of SMK Negeri 1 Binuang in the 2019/2020 academic year. Data analysis was carried out using quantitative descriptive analysis, namely by observing the research data which was then followed by synthesis using a literature review. From the results of research during the Pre-Cycle, it was known that the number of students who met the Minimum Completeness Criteria (KKM) was 18.75%, while in Cycle I it is 84.374%, and Cycle II was 77.78%. These results indicated that there was an increase from Pre Cycle to Cycle I, but there was a decrease in Cycle I to Cycle II. The results obtained in this CAR showed that blended learning integrated fieldwork has the potential to be effective as a learning model for the Fundamentals of Geology during the COVID-19 Pandemic. Some things that need to be considered so that blended learning integrated fieldwork can be effective in learning is by paying attention to scientific steps during learning, choosing fieldwork locations that are accessible to accessibility and there are communication and internet signals, as well as intensive guidance from the teacher. Regarding the COVID-19 Pandemic, it is also necessary to design integrated blended learning fieldwork that complies with health protocols.
A Framework of an Intelligent Education System for Higher Education Based on Deep Learning
Authors: Zhang Xiuli , Cao Zhongqiu
Published: April 2021

Intelligent learning platforms and education information application platforms are gaining ground, owing to the wide application of modern technologies such as the Internet of Things, big data analysis, artificial intelligence, and cloud computing. However, the current platforms cannot solve specific teaching problems, and the relevant research mostly focuses on primary and secondary education. Therefore, this paper constructs and analyzes a framework of intelligent education system for higher education based on the deep learning. Firstly, the functional block diagram of the system was built up. Next, a face detection algorithm was proposed based on the multi-task convolutional neural network, a face recognition algorithm was developed based on the improved deep convolutional neural network, and the knowledge learning status of students was tracked based on the memory augmented neural network. Finally, the proposed framework was proved effective and swift through experiments. The research results expand the application scope of the deep learning in education.
Your MAC Address Can be Detected Easily When Your Smartphone Connected to the Wi-Fi
Authors: Fuada Syifaul , Rabbani Raihan Fakhri , Majid Nuur Wachid Abdul , Prasetiyo Prasetiyo , Muttaqin Rahmat , Adiono Trio , Islam Shorful
Published: April 2021

In this short paper, we prove that smartphones connected to Wi-Fi can be detected (scanned) easily with a Raspberry Pi help. According to the observation, the smartphone eventually broadcasts some packets of data containing MAC layers data. The period of broadcasting data depends on the smartphone’s state (active scanning/sleep). Besides MAC layers data, we also detect/capture other parameters, i.e., wireless signature data transmitted by smartphone (RSSI) and Time-stamp. The RSSI value measured in this test has a range from –30 dBm to –80 dBm. The result proves that different smartphones give different RSSI values (each smartphone emits different power strength). The RSSI value has more significant changes in a short-range (in this test result, 1 to 10 meters) and less significant change in a long-distance (above 20 meters). MAC address, time-stamp, and RSSI scanned/captured successfully through Raspberry Pi from the smartphones can be used as a reference for various purposes/applications in future work, such as Wi-Fi scanning/tracking system.