bluuebunny/crossref_metadata_2025 huggingface dataset:
El fenómeno de resiliencia como potenciador en la conservación del patrimonio arquitectónico de la ciudad. El caso de la vivienda potosina
Authors: Molina Ayala Maria Elena , Muñoz del Valle María Fernanda
Published: February 2023

El presente documento tiene como objetivo mostrar la investigación realizada en la ciudad de San Luis Potosí, en la Avenida Venustiano Carranza, en la que se analiza la capacidad de resiliencia, el diseño, la vanguardia y la tradición de la vivienda potosina del siglo XX que es considerada de valor arquitectónico pero que por la época en que fue construida, no está protegida y está siendo destruida o transformada, perdiendo su esencia compositiva y funcional. En el estudio se hace el análisis de caso en 3 viviendas: una en la que se respetó el diseño original, otra en la que se mezcló el diseño original con lo contemporáneo y la tercera que fue destruida, aquí se presenta el análisis de una de ellas, todas ubicadas de la Calle Juan de Oñate a Naranjos, se hace con la finalidad de conocer su posibilidad de resiliencia como elemento potenciador de su conservación.
Diseño de un modelo de análisis para la evaluación del impacto de las intervenciones públicas o privadas en las comunidades del Valle de Arista
Authors: Navarro González Alejandro
Published: February 2023

El objetivo de esta publicación es dar a conocer la estructura de las metodologías utilizadas en el “Diseño de un Modelo de Análisis para la Evaluación de los Impactos de las Intervenciones Públicas Privadas en las Comunidades del Valle de Arista”, las que componen la unión de los tres ejes rectores de dicho modelo, el Modelo de Uso Racional del Agua, el Modelo de diseño de Asentamientos Humanos y el Modelo Agroindustrial; los cuales no tienen un punto de arranque como tal, ya que al ser un enfoque integral, el punto de arranque puede ser desde cualquiera de los puntos que componen los mencionados ejes rectores.
Diseño de protección solar basada en programas de simulaciones digitales. Instituto de Investigación y Posgrado
Authors: Martínez Martínez María José , Aguillón Robles Jorge , Cataño Barrera Alma María
Published: February 2023

Al llevar a cabo el servicio social en el instituto de investigación y posgrado se hizo un análisis del espacio, surgió el interés personal por proponer una solución a la problemática actual que es el asoleamiento sobre el edificio, lo que provoca una temperatura interior elevada, iluminación inapropiada y ventilación escasa. Por lo cual se planteó diseñar una protección externa que ayudará a evitar el asoleamiento directo y con ello disminuir la temperatura, sobre todo en la temporada de verano. El proceso de diseño se logró con base en una serie de simulaciones que iniciaron desde lo más básico. Los resultados se fueron evaluando hasta diseñar una protección que resultará funcional para contrarrestar la problemática y beneficiará a los usuarios que laboran diariamente en el edificio.
Riscuri și provocări în inteligența artificială: Cutii negre și actorii de amenințare
Authors:   Multimedia SRL, Sfetcu Nicolae
Published: February 2023

Inteligența artificială a creat oportunități fără precedent, dar și noi riscuri. Creșterea exponențială a capabilităților modelelor de inteligența artificială permite atingerea unor niveluri de valoare și generalizare neatinse până acum. Cu toate acestea, opacitatea acestor modele a crescut, de asemenea, iar natura lor de cutie neagră face dificilă, chiar și pentru experți, explicarea justificării concluziilor lor. Acest lucru poate reprezenta un punct critic din punct de vedere tehnologic și social, deoarece riscul este real, după cum demonstrează episoadele recente, ale sistemelor de antrenament care sunt compromise de părtiniri și prejudecăți de discriminare, care au învățat din datele de instruire. Prin urmare, este posibil ca învățarea din urmele digitale ale deciziilor trecute să poată duce la încorporarea prejudecăților invizibile existente în modelele rezultate, perpetuându-le.
The singularities as ontological limits of the general relativity
Authors:   Multimedia SRL, Sfetcu Nicolae
Published: February 2023

The singularities from the general relativity resulting by solving Einstein's equations were and still are the subject of many scientific debates: Are there singularities in spacetime, or not? Big Bang was an initial singularity? If singularities exist, what is their ontology? Is the general theory of relativity a theory that has shown its limits in this case? In this essay I argue that there are singularities, and the general theory of relativity, as any other scientific theory at present, is not valid for singularities. But that does not mean, as some scientists think, that it must be regarded as being obsolete. After a brief presentation of the specific aspects of Newtonian classical theory and the special theory of relativity, and a brief presentation of the general theory of relativity, the chapter Ontology of General Relativity presents the ontological aspects of general relativity. The next chapter, Singularities, is dedicated to the presentation of the singularities resulting in general relativity, the specific aspects of the black holes and the event horizon, including the Big Bang debate as original singularity, and arguments for the existence of the singularities. In Singularity Ontology, I am talking about the possibilities of ontological framing of singularities in general and black holes in particular, about the hole argument highlighted by Einstein, and the arguments presented by scientists that there are no singularities and therefore that the general theory of relativity is in deadlock. In Conclusions I outline and summarize briefly the arguments that support my above views.
Forecasting Index Return Volatility of The Chittagong Stock Exchange of Bangladesh using GARCH Models
Authors:   Jatiya Kabi Kazi Nazrul Islam University, Rahman Md. Habibur , Haq A.H.M. Ziaul ,   University of Rajshahi
Published: February 2023

Purpose: The aim of this research is to identify the best-fitted model(s) for estimating and forecasting the return volatility of the Chittagong Stock Exchange (CSE) in Bangladesh. Methodology: The study analyzes the returns of the Chittagong Stock Exchange's (CSE) daily Selective Categories Index (CSCX) from February 4, 2013 to December 31, 2021 (as a full sample) and from July 1, 2021 to December 30, 2021 (for forecasting). The researcher used GARCH family approaches considering different error distributions, to find the well-suited model(s) for the CSCX index. The researchers used ARMA to develop the mean equation based on two popular model selection criteria: Schwarz's (1978) Bayesian information criterion (SBIC) and Akaike's (1974) information criterion (AIC). The data has been analyzed using the application software E-Views 10. Findings: The ARMA (0,1) has been adopted as the mean equation for GARCH specifications. Under all three types of error distributions, the ARCH and GARCH terms, along with the leverage terms of asymmetric models, were found to be statistically significant in all the accepted combinations of the model. The models GARCH (1,2), TGARCH (1,2), and PARCH (1,2) under generalized error distributions and EGARCH (2,1) under Student’s t error distributions have been selected as the best-fitted models for estimation. Whereas, based on root mean square error (RMSE), mean absolute error (MAE), mean absolute percent error (MAPE), and theil inequality (TI), EGARCH (1, 2), TGARCH (1, 2), and PARCH (1, 2) under generalized error distributions, and GARCH (1, 2) under student’s t error distributions and normal error distributions are found to have superior out-of-sample forecasting abilities. Practical implications and originality: This is an original research work that will help the investors and other stakeholders of the Bangladeshi stock market to estimate and forecast market volatility more efficiently. Limitations: Due to its extensive features, this study was unable to incorporate a few additional ARCH and GARCH models.
Assessing the Impact of Liquidity on Profitability: Specific to the Banking Industry of Bangladesh
Authors:   Pabna University of Science and Technology, Islam Md. Amirul , Ullah A.K.M Mahfuj ,   Rajshahi Science and Technology University (RSTU), Avi Md. Ashikur Rahman ,   Pabna University of Science and Technology, Ashanuzzaman Md. ,   Begum Rokeya University
Published: February 2023

Purpose: The present study investigates whether liquidity positively or negatively stimulates the profitability of commercial banks of Bangladesh. Methodology: The analysis has been performed on 5 randomly selected banks over a period of 10 years (2011-2020). The respective banks’ annual reports were the sources of secondary data based on which the study has been performed. For study purpose, dominant profitability ratios are studied along with the calculation of liquidity. ROA served profitability measures being considered as dependent variables whereas Loan-Deposit, Deposit-Assets, & Cash-Deposit ratios served liquidity measures being considered as independent variables. Ordinary Least Square Models have been made use of testing how liquidity affects the banking sector’s profitability. Findings: From the analysis, it is founded that a rise in the banks’ aforementioned liquidity ratio would escalate the Return on Assets i.e. profitability. Practical Implications: The study has evident that commercial banks of Bangladesh might have a better balance between the profitability and liquidity. Originality: The impact of liquidity on profitability has been stated in this paper which considered data from randomly selected 5 banks. The outcomes of the paper will demonstrate valuable addition to the existing research work in the related field. Research Limitations: Only 5 randomly selected commercial banks among 61 scheduled banks of Bangladesh were the study samples for which the overall financial scenario is difficult to know. It is also quite impossible to comment on the liquidity and profitability position as well as their relationship by considering only 5 banks.
Measuring Clients’ Satisfaction towards the Mobile Banking Services in the Northern Area of Bangladesh
Authors:   Begum Rokeya University, Huq Sheikh Majedul
Published: February 2023

Purpose: The aim of the present study was to investigate the elements that influence Bangladeshi banking customers’ satisfaction. Quality of Service (QoS) refers to how well it meets the needs of its present and potential customers. As a result, estimating service quality is extremely important for banking organizations. Methodology: A survey research method has been used involving 255 mobile banking holders in the northern area of Bangladesh. A self-administrated survey has been given to the customers of Dutch Bangla Bank Limited (DBBL) and BRAC Bank Limited two full-fledged, early M banking service providers in Bangladesh. Findings: According to the test results, client satisfaction is positively correlated with the four SERVQUAL criteria of reliability, assurance, empathy, and responsiveness (apart from tangible). Practical Implication: The investigation results can be interpreted theoretically and practically. Research Limitations: The number of respondents who participated in the study could have been higher.
The Impact of Digitalization on the Economic Growth of Bangladesh
Authors:   Pabna University of Science and Technology, Rana Masud , Rekha Rebeka Sultana ,   Pabna University of Science and Technology, Islam Hasibul ,   NPI University of Bangladesh
Published: February 2023

Purpose: The study showed the impact of digitalization on the economic growth of Bangladesh. Methodology: The researcher used secondary data to analyze the relationship between variables. Linear regression analysis was used to estimate the effect of explanatory variables and explained variable. For performing statistical analysis, STATA programming environment was used to this study. Telecommunication infrastructure index and online service index were used as explanatory variables. GDP growth rate used as explained variable. Findings: The regression result showed the significant and positive impact of telecommunication infrastructure index and online service index on GDP growth rate. The variable explained was 86.6%, which was higher and indicate that these variable effect mostly on the GDP growth rate. Due to data insufficiency, the researcher cannot compare network readiness index and GDP growth rate. However, the study has found that there is significant level growth of the network readiness index and GDP growth rate. Further, the study should be conducted with more data and other variables. Practical Implications: A developing country like Bangladesh, an appropriate infrastructure policy will helpful for all stage of development, that will drive the process of economic development. Policymakers should give sufficient support to establish the digital infrastructure. Originality: The study found that in Bangladesh digitalization indicators have been more effective effect on economic growth. Research Limitations: The limitation of the research is the generalization of the findings. Further researchers should conduct studies to find other variables that increase the impact digitalization.
O Direito de Remessas Familiares Transnacionais Eficientes e Seguras: desafios à governança global migratória
Authors: Silva Bianca Guimarães , Paluma Thiago
Published: February 2023

As transferências financeiras transnacionais feitas por trabalhadores migrantes aos seus familiares nos países de origem geram impactos microeconômicos e macroeconômicos. Em que pese a relevância interdisciplinar do assunto, a regulação das remessas transnacionais ainda é pouco explorada pelo Direito Internacional. Apesar de o direito de remessas seguras e eficientes ser garantido pelos artigos 32 e 47 da Convenção Internacional sobre a Proteção dos Direitos de Todos os Trabalhadores Migrantes e dos Membros das suas Famílias, ainda há lacunas na implementação dessa garantia em razão da ausência de consenso entre os países sobre a temática migratória. Nesse contexto, o presente artigo visa analisar meios de efetivação desse direito. Utilizou-se do método dedutivo por meio de fontes documentais, bibliográficas e estatísticas produzidas por terceiros. Concluiu-se, portanto, que é necessário assegurar os direitos consumeristas aos migrantes como consumidores hipervulneráveis, melhorar a infraestrutura financeira e estabelecer marcos regulatórios sobre as remessas financeiras. A efetivação dessas práticas clama pela governança global e pelo uso de ferramentas de diálogo como os acordos cooperacionais multilaterais (hard law) da Conferência de Haia de Direito Internacional Privado e dos instrumentos de soft law do sistema universal.
Studi konsiderasi agama dan budaya tentang etik dan emik terhadap implementasi sistim ekonomi Islam di Pondok Pesantren Riyadlul Jannah Pacet Mojokerto
Authors: Albajuri Ahmad Abib
Published: February 2023

Two central aspects of culture are frequently discussed in the cross-cultural literature: the ethical aspect and the emic aspect. The objectives of this study are: 1) To find out whether Ethics and Emik simultaneously influence the implementation of the Islamic economic system 2) To find out whether Ethics and Emik partially influence the implementation of the Islamic economic system 3) To find out which of the two has the dominant influence among Ethics and Emik on the implementation of the Islamic economic system. This research is included in quantitative correlational research by following an exploratory, descriptive and explanatory research design. The primary data in this study were collected by the author through the distribution of research questionnaires. Collecting data using questionnaires, observation and documentation. The population of this study were the people of the Pacet village who became the recitation congregation and the recitation community in the shelter of the Riyadlul Jannah Pacet Mojokerto Islamic boarding school, totaling 4821 people. sampling using the Slovin formula with a significance level of 0.01 so that the sample was determined to be 98. The data analysis technique used multiple linear regression with the SPSS program. V. 26.0. From the research results, it can be concluded as follows: 1) Ethics and Emik simultaneously have a significant effect on the implementation of the Islamic economic system at Riyadlul Jannah Pacet Mojokerto Islamic Boarding School. 2) Ethics and Emik partially influence the implementation of the Islamic economic system at the Riyadlul Jannah Pacet Mojokerto Islamic Boarding School. 3) Emik has the most dominant (tight) influence on Ethics on the implementation of the Islamic economic system at Riyadlul Jannah Pacet Mojokerto Islamic Boarding School.
Penerapan aspek-aspek disiplin dalam manajemen bisnis syariah Terhadap Sharia business performance (Studi Pada Pondok Pesantren Riyadlul Jannah Pacet Mojokerto dan Unit usaha yang dikembangkan)
Authors: Hariyanto Mamang
Published: February 2023

The purpose of this research is to analyze and explain the effect of state of mind - mental attitude, system of rules of conduct and system of set norms - criteria and standards simultaneously and partially on Sharia business performance. This type of research is explanatory research. The results of hypothesis testing show that there is a simultaneous and partial significant effect of state of mind - mental attitude (X1), system of rules of conduct (X2) and system of set norms - criteria and standards (X3) on Sharia business performance (Y) .
Mampu Cor Paduan Aluminium
Authors: Irawan Surya
Published: February 2023

Mampu cor adalah kemampuan paduan untuk dilemparkan tanpa pembentukan cacat seperti retakan, segregasi, pori-pori atau misruns. Ketergantungan paduan fenomena yang menentukan castability adalah fluiditas, macrosegregation, hot tearing dan porositas. Fenomena ini sudah dikenal sejak lama waktu tetapi baru-baru ini menjadi dipahami dengan baik dan pekerjaan sedang dilakukan untuk mengembangkan model castability prediktif. Model-model ini membutuhkan masukan sifat fisik, seperti jalur solidifikasi, koherensi dendrit, penyusutan solidifikasi dan permeabilitas interdendritik. Beberapa di antaranya sifat sulit ditentukan secara eksperimental tetapi teknik eksperimental baru sedang dikembangkan untuk mengekstrak data tersebut. Kertas ini akan meninjau fenomena yang membatasi castability paduan aluminium. Pengaruh komposisi paduan terhadap fluiditas, makrosegregasi, panas robekan dan porositas akan dijelaskan. Model untuk prediksi castability akan ditinjau secara singkat dan data koherensi, fluiditas, permeabilitas dan penyusutan akan disajikan.

Kata kunci: Cor; robekan panas; porositas; makrosegregasi; paduan aluminium.
Interest Articulation and Lobbying in Unregulated Legal Contexts: The Case of Albania
Authors:   European University of Tirana, Sqapi Gerti
Published: February 2023

The main argument of this paper is that the legal regulation of lobbying is an important factor for disciplining/curbing the undue (illicit) influence of different interests’ groups on the political-making process, especially in countries with post-communist and nonconsolidated democracies as Albania. In three decades of political and economic transition from a one-party communist system to a democratic one and towards a market economy, the democratization of Albania has faced various problems, which have often led to a loss of public confidence in the political class and apathy of citizens towards the political system. In many cases, this has come as a result of the perception or even the disclosure by the media and the public of corruption scandals, political clientelism, or undue influences in the decision-making processes in Albania. Surely, it can be said that political scandals of trading or exercising illicit influences on public officials can affect, as numerous cases have shown, every democratic political system in the world. However, they are more likely to occur in new democracies (post-communist) countries that face weak state structures and a legal environment that is not yet well consolidated and where a culture of informality exists alongside written rules and laws. For this purpose, that of disciplining and controlling the influences that specific interests exert on the decision-making process of governments, legislatures, or other regulatory agencies, a good part of European countries have considered undertaking legal regulatory initiatives for lobbying activity in their environments.
Programa de extensão sobre envelhecimento saudável “rosas do entardecer”: relato de experiência
Authors: Oliveira Brian Araujo , Alves Nágila Silva
Published: February 2023

OBJETIVO: O projeto objetiva promover promover a intervenção multiprofissional na saúde do idoso através da aplicação da clínica ampliada e perspectivas culturais e educacionais que possam colaborar para a prática de hábitos de vida saudáveis nesta população. METODOS: O presente estudo trata-se de relato de experiência vivenciados pelos acadêmicos de Enfermagem e Fisioterapia enquanto bolsistas de extensão do projeto “A saúde da mulher na terceira idade: Rosas do Entardecer”. RESULTADOS: Nas atividades que foram desenvolvidas promoveu-se educação em saúde entre docentes, discentes, profissionais de saúde, e as usuárias idosas, proporcionando um saber fazer consciente, crítico, transformador e humanizador. CONCLUSÃO: O provou ser de grande importância no meio onde se aplica, tanto para os idosos da comunidade como para a vivência e aprendizagem dos alunos participantes do projeto.
SPORTS TOURISM AT TARA NATIONAL PARK
Authors: Čolić Miloš , Gavrilović Ana , Selenić Uroš
Published: February 2023

National parks are the most famous tourist destinations in Serbia. Tara National Park is one of the few mountain centers with a long tradition of stationary and excursion tourism. Sports and recreation are present, as additional program contents, then sports competitions, manifestations, or excursion activities of smaller groups and individuals. In this work, the focus was on a better description of natural characteristics and anthropogenic values, a detailed description of the structure and current state of the tourist and sports infrastructure, sources of human resources, and the existing offer of sports and recreational contents and events in the protected area. However, one of the conclusions is that sports and recreation in Tara National Park are not at the level of sports and recreational tourism. An adequate scientific study followed by systematic application is necessary. That is why this work is also an invitation to scientific workers to pay more attention to sports and recreational tourism in Tara.
APPLICATION OF SIX SIGMA AND PARETO DIAGRAMS IN BASKETBALL
Authors: Turčinović Željko , Radaković Mila , Naumčev Nevena , Wu Miao
Published: February 2023

In sports, the goal is to win. The players selected, along with the strategy used on the field, are the primary weapons of any team. Six Sigma promotes a process approach, ie. identifies errors, selects the most important ones by priority and acts on them in a targeted manner. The Pareto (ABC) diagram is a graphical method for analyzing phenomena in which the magnitudes/phenomena or errors and their causes are ranked in descending order. The purpose of this paper is to encourage thinking about how applicable the concept of Six Sigma and the Pareto diagram is in basketball and what makes it so attractive to many successful basketball players, coaches and clubs in the world.
METAPHORICAL LANGUAGE IN SPECIALIZED AND POPULAR SCIENTIFIC TEXTS
Authors: Vučković Zaga
Published: February 2023

This study positions itself within the domain of analysing metaphor in naturally-occurring data. The use of metaphor often varies depending on many factors such as the context in which it is used, topic, audience, mode of communication and so on. This study specifically aims at investigating the differences and similarities in the use of metaphorical expressions between specialized and popular scientific texts. The research is based on the analysis of eight articles coming from four scientific disciplines: exact, life, social sciences, and humanities. A pair of texts comes from each discipline, one being a popular science article written by journalists for the general public, and the other being a research article written by scientists for their peers. All metaphorical language in the articles was identified using MIPVU, a systematic and transparent procedure for identifying linguistic metaphor. The findings indicate a pronounced difference in linguistic metaphor use between the two related text-types. These differences concern the frequencies, types, and functions of metaphorical language use. The variations in the use of metaphor proved to be largely explainable in terms of the differences in the components of genre and register.
PHOTOGRAPHY AND CLICKBAIT HEADLINES: ONLINE MEDIA TOOLS IN THE PROCESS OF READERS MANIPULATION
Authors: Selenić Uroš
Published: February 2023

Online media no longer play only an informative role. One of the goals in the fight for profit is to be visited as much as possible. However, the rush to publish the news before competitors can also manipulate readers. Interestingly, photography is a powerful media tool. As a reminder, one of the first forms of photo manipulation was during the Crimean War. Photographer Roger Fenton was assigned the task of depicting the conflict more beautifully, confirming Queen Victoria's manipulation and inspiring the nation to fight. For online media in the 21st century, it is not enough to suggest content with a photo, which is why clickbait headlines play a role in the whole process. In this paper, I conducted research with 200 respondents to prove the thesis that clickbait headlines and photography are tools in the manipulation process, even using sports news examples. Participants indicated their agreement or disagreement with the statements using a Likert scale. They were also manipulated by the photos and clickbait headlines, according to the results.
Neural Generalized Ordinary Differential Equations with Layer-Varying Parameters
Authors: Yu Duo , Miao Hongyu , Wu Hulin
Published: February 2023

Deep residual networks (ResNets) have shown state-of-the-art performance in various real-world applications. Recently, the ResNets model was reparameterized and interpreted as solutions to a continuous ordinary differential equation or Neural-ODE model. In this study, we propose a neural generalized ordinary differential equation (Neural-GODE) model with layer-varying parameters to further extend the Neural-ODE to approximate the discrete ResNets. Specifically, we use nonparametric B-spline functions to parameterize the Neural-GODE so that the trade-off between the model complexity and computational efficiency can be easily balanced. It is demonstrated that ResNets and Neural-ODE models are special cases of the proposed Neural-GODE model. Based on two benchmark datasets, MNIST and CIFAR-10, we show that the layer-varying Neural-GODE is more flexible and general than the standard Neural-ODE. Furthermore, the Neural-GODE enjoys the computational and memory benefits while performing comparably to ResNets in prediction accuracy.
La comunicación no convencional de la RSE y los elementos de construcción de la narrativa de marca a través de dos casos de estudio
Authors: López-González Jesús , Freire-Sánchez Alfonso , Vidal-Mestre Montserrat
Published: February 2023

La evolución del marketing social y la creciente demanda de los consumidores acerca de una mayor implicación de las marcas con causas sociales ha hecho potencialmente necesaria la comunicación de la RSE. Sin embargo, es debatible la eficacia de invertir en comunicación en medios pagados o si, por el contrario, es más rentable construir una narrativa de marca en medios propios y ganados mediante la creación de contenido, la experiencia de usuario o la marca personal de sus fundadores, entre otras estrategias. En este sentido, mediante un análisis cualitativo comparativo e interdisciplinar, esta investigación pretende analizar y determinar qué elementos estimulan la construcción y expansión de la narrativa de marca mediante dos casos contrastados de empresas que trabajan con colectivos vulnerables y que han conseguido diferenciarse en sus sectores mediante la incorporación de la diversidad como un valor añadido: el proyecto socioempresarial La Fageda y el proyecto transformador La Casa de Carlota. A partir de la generalización analítica, se ha podido relacionar los resultados de este estudio con otros casos similares, con el objetivo de establecer unas pautas comunes generalizadas que puedan llegar a constituir una base teórica de aplicación para aquellas empresas o instituciones que quieran comunicar la RSE construyendo y potenciando su narrativa de marca mediante medios no pagados.
Stabilizing multi-rotation periodic trajectories by the time-varying switching extended time-delay feedback control
Authors: Zeng Jian-Jian , Bao Li-Juan ,   School of Mathematics and Information Sciences, Nanchang Hangkong University, Nanchang 330063, China
Published: February 2023

Control parameters are frequently subjected to certain restrictions in the engineering practice of chaos control. It is difficult to stabilize multi-rotation unstable periodic trajectory when the stability range is too small and outside the restrictions of control parameters. Thus, it is fundamentally important to expand the stability range of the controlled multi-rotation unstable periodic trajectory by using an applicable method. In this work, the original extended time-delay feedback control is improved based on the time-varying switching strategy, which leads to the time-varying switching extended time-delay feedback control. The time-varying switching extended time-delay feedback control only applies the control to the controlled system in a specific period, and does not apply the control to it in other periods, this is different from the continuous control of the original extended time-delay feedback control. The specific performance of the time-varying switching extended time-delay feedback control in stabilizing unstable multi-rotation periodic trajectories is investigated by case studies. The maximum Floquet multiplier of the controlled periodic trajectory is calculated, and the relationship between the stability region of the controlled multi-rotation periodic trajectory and the switching frequency is obtained. The results show that with the increase of switching frequency, the stability region of the controlled multi-rotation periodic trajectory presents a non-smooth change. In particular, the stability region of the time-varying switching extended time-delay feedback control is significantly larger than that of the original extended time-delay feedback control when an appropriate switching frequency is selected.
General higher-order rogue waves in the space-shifted \begin{document}$\mathcal{PT}$\end{document}-symmetric nonlocal nonlinear Schrödinger equation
Authors: Rao Ji-Guang , Chen Sheng-An , Wu Zhao-Jun , He Jin-Song ,   School of Mathematics and Statistics, Hubei University of Science and Technology, Xianning 437000, China,   Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
Published: February 2023

General higher-order rogue wave solutions to the space-shifted \begin{document}$\mathcal{PT}$\end{document}-symmetric nonlocal nonlinear Schrödinger equation are constructed by employing the Kadomtsev-Petviashvili hierarchy reduction method. The analytical expressions for rogue wave solutions of any Nth-order are given through Schur polynomials. We first analyze the dynamics of the first-order rogue waves, and find that the maximum amplitude of the rogue waves can reach any height larger than three times of the constant background amplitude. The effects of the space-shifted factor \begin{document}$x_0$\end{document} of the \begin{document}$\mathcal{PT}$\end{document}-symmetric nonlocal nonlinear Schrödinger equation in the first-order rogue wave solutions are studied, which only changes the center positions of the rogue waves. The dynamical behaviours and patterns of the second-order rogue waves are also analytically investigated. Then the relationships between Nth-order rogue wave patterns and the parameters in the analytical expressions of the rogue wave solutions are given, and the several different patterns of the higher-order rogue waves are further shown.
Switchable multifunctional terahertz metamaterial with slow-light and absorption functions based on phase change materials
Authors: Jin Jia-Sheng , Ma Cheng-Ju , Zhang Yao , Zhang Yue-Bin , Bao Shi-Qian , Li Mi , Li Dong-Ming , Liu Ming , Liu Qian-Zhen , Zhang Yi-Xin ,   School of Science, Xi’an Shiyou University, Xi’an 710065, China
Published: February 2023

Terahertz (THz) wave usually refers to the electromagnetic wave with a frequency between 0.1—10.0 THz. It has potential applications in wireless communication, biomedical image processing, nondestructive testing, military radar, and other fields. However, owing to function limitation of the natural material, multifunctional terahertz devices are difficult to design and fabricate, which becomes a bottleneck for THz technology. The emergence of metamaterials fills the gap in the electromagnetic materials in the THz frequency band, and now they are widely used in THz functional devices, such as THz modulators, THz absorbers, THz filters, THz sensors, and THz slow-light devices. However, the above-mentioned THz devices all have a single function. For practical application, multifunction integrated THz devices have broader application prospects. As is well known, the Ge2Sb2Te5 (GST) is a typical phase transition material. Under excitation of light or electronic field, GST can realize a reversible phase transition between insulating state and metallic state. In order to achieve a switchable multifunctional THz device, in this work we design a THz metamaterial based on the phase transition material GST and realize a switchable function with slow-light and absorption functions. The THz metamaterial consists of a microstructure layer, which is composed of gold rings arranged periodically, and a GST thin film spaced by an SiO2 dielectric layer. When GST is in an insulating state, the two gold rings are coupled to each other under the excitation of the THz pulse. Then, we can observe the EIT-like effect. The THz pulses propagating in the metamaterial we proposed can be slowed down, and a maximum group delay of the THz pulse can reach 3.6 ps. However, when GST is in a metallic state, we can observe two absorption peaks in the spectrum of the proposed THz metamaterial, and the absorption rate is 97% at a frequency of 0.365 THz and 100% at a frequency of 0.609 THz. Furthermore, we also investigate the polarization properties of the proposed THz metamaterial, and find that it has polarization insensitive characteristic. When the polarization angle of the incident THz light pulse changes from 0° to 90°, the slow-light and absorption properties of the THz metamaterial are unaffected. The proposed THz metamaterial has potential applications in THz biomedical image processing, THz optical switching, and THz optical buffer.
Development of attosecond pulses and their application to ultrafast dynamics of atoms and molecules
Authors: Tao Chen-Yu , Lei Jian-Ting , Yu Xuan , Luo Yan , Ma Xin-Wen , Zhang Shao-Feng ,   Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China,   University of Chinese Academy of Sciences, Beijing 100049, China,   School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China,   School of Physical Science and Technology, Hebei University, Baoding 071000, China
Published: February 2023

In the past two decades, the development of laser technology has made attosecond science become a cutting-edge research field, providing various novel perspectives for the study of quantum few-body ultrafast evolution. At present, the attosecond pulses prepared in laboratories are widely used in experimental research in the form of isolated pulses or pulse trains. The ultrafast changing light field allows one to control and track the motions of electrons on an atomic scale, and realize the real-time tracking of electron dynamics on a sub-femtosecond time scale. This review focuses on the research progress of ultrafast dynamics of atoms and molecules, which is an important part of attosecond science. Firstly, the generation and development of attosecond pulses are reviewed, mainly including the principle of high-order harmonic and the separation method of single-attosecond pulses. Then the applications of attosecond pulses are systematically introduced, including photo-ionization time delay, attosecond charge migration, and non-adiabatic molecular dynamics. Finally, the summary and outlook of the application of attosecond pulses are presented.
A searchable image resource of Drosophila GAL4 driver expression patterns with single neuron resolution
Authors: Meissner Geoffrey W , Nern Aljoscha , Dorman Zachary , DePasquale Gina M , Forster Kaitlyn , Gibney Theresa , Hausenfluck Joanna H , He Yisheng , Iyer Nirmala A , Jeter Jennifer , Johnson Lauren , Johnston Rebecca M , Lee Kelley , Melton Brian , Yarbrough Brianna , Zugates Christopher T , Clements Jody , Goina Cristian , Otsuna Hideo , Rokicki Konrad , Svirskas Robert R , Aso Yoshinori , Card Gwyneth M , Dickson Barry J , Ehrhardt Erica , Goldammer Jens , Ito Masayoshi , Kainmueller Dagmar , Korff Wyatt , Mais Lisa , Minegishi Ryo , Namiki Shigehiro , Rubin Gerald M , Sterne Gabriella R , Wolff Tanya , Malkesman Oz ,   FlyLight Project Team
Published: February 2023

Precise, repeatable genetic access to specific neurons via GAL4/UAS and related methods is a key advantage of Drosophila neuroscience. Neuronal targeting is typically documented using light microscopy of full GAL4 expression patterns, which generally lack the single-cell resolution required for reliable cell type identification. Here, we use stochastic GAL4 labeling with the MultiColor FlpOut approach to generate cellular resolution confocal images at large scale. We are releasing aligned images of 74,000 such adult central nervous systems. An anticipated use of this resource is to bridge the gap between neurons identified by electron or light microscopy. Identifying individual neurons that make up each GAL4 expression pattern improves the prediction of split-GAL4 combinations targeting particular neurons. To this end, we have made the images searchable on the NeuronBridge website. We demonstrate the potential of NeuronBridge to rapidly and effectively identify neuron matches based on morphology across imaging modalities and datasets.
A Massive Gastric Trichobezoar In a Young Female, a Case Report
Authors: Badwan Basem , Awad Shadi , Al-Share Mohammad , Abu-Jeyyab Mohammad , Al-Asbahi Hanan , Al-Awabdeh Michleen , Al-Khalaileh Maysaa
Published: February 2023

Trichobezoar is a rare condition caused by the accumulation of foreign material, specifically hair, into the gastrointestinal tract. Underlying psychiatric disorders are common among patients diagnosed with bezoars. This condition is most commonly associated with trichophagia, trichotillomania might also be present. Typically, this disorder is acquainted in adolescent females who complain of alopecia, along with an upper abdominal mass which might cause gastric outlet obstruction. However, many cases of Trichobezoars of different ages, including infants, have been reported. In this case report, a case of an 18-year-old female with gastric outlet obstruction is demonstrated.
Relationship Between Sportsmanlike Behaviors and Self-confidence of Physical Education and Sports Students within the Scope of Sports Literacy
Authors: Toy Ali Burak
Published: February 2023

The aim of this study is to analyze the relationship between self-confidence and sportsmanlike behaviors of School of Physical Education and Sports students within the scope of sports literacy. A total of 173 (M=22.45, SD=1.25) university students, 119 of whom were male (M=22.77, SD=0.98) and 54 of whom were female (M=21.75, SD=0.78), participated in the study. “Personal Information Form” and “Self-Confidence Scale” and “Multidimensional Sportspersonship Orientation Scale” were used to collect data in the research. Random sampling method was used to determine the participants of the study. The research data were analyzed using a statistical analysis program. Correlation and multiple regression analysis were used in the analysis of the data. According to the correlation results, the sub-dimensions of MSOS, which are Compliance with the Social Norms, Respect for Rules and Management, Commitment to Responsibilities in Sports, Respect for the Opponent, sportsmanship total score, and the sub-dimensions of the self-confidence scale, internal self-confidence and external self-confidence scores show a positive and significant relationship. Multiple regression analysis results showed that external self-confidence values explained 21% of sportsmanship. As a result, although self-confidence and sportsmanlike behaviors have a strong relationship, it has been seen that external self-confidence is a predictor of sportsmanship. It can be said that the self-confidence levels of individuals increase their sportsmanship levels.
Evaluation of Social Intelligence and Communication Skills Levels in terms of Music Education
Authors: Demirtaş Erkan , Üstün Hamza
Published: February 2023

This study aims to determine high school students’ social intelligence and communication skills and the effect of music education on these variables. A survey method was used in the study. Two data collection tools were used in the study. These are Tromso Social Intelligence Scale developed by Silvera et al. (2001), adapted into Turkish by Doğan and Çetin (2009), and Communication Skills Scale created by Korkut Owen and Bugay (2014). The study group consists of students in five high schools in Ankara, the capital of Turkey, in the 2021-2022 academic year. The data collection process was completed in two months (April-May). The study shows that high school students have good social intelligence and communication skills. The scores obtained do not differ according to gender and grade level variables. At the same time, a positive and significant relationship was found between social intelligence and communication skills scores. The scores of the group that received extra music education outside the school were compared with those that did not. According to these results, the social intelligence and communication skills scores of the group that received music education were higher. While this difference was not significant in the case of social intelligence, it was significant in the case of communication skills.
Development of Persuasive Speaking Skills Rubrics for Primary School Fourth Grade Students
Authors: Özdil Şeyma , Duran Erol
Published: February 2023

The main purpose of speaking education is to enable individuals to express their thoughts accurately and effectively in every environment they communicate. This is possible with the teaching plan and measurement tools for different speech types. This research focuses on students’ persuasive speaking skills. In this study, we aimed to develop a rubric to evaluate the persuasive speaking skills of primary school fourth grade students in Turkish. The research was designed with a quantitative research method and survey design. The study group consists of 100 students studying in the fourth grade of primary school. A convenience sampling technique was used to determine the study group. The study data were collected in five weeks through the students’ plan papers and persuasive speech video recordings. In this process, students were asked to choose one of the topic suggestions for persuasive speeches and to plan and present their speeches. The collected data were evaluated by two raters using a rubric prepared by consulting expert opinion. The evaluation results were analysed, and a valid and reliable rubric was created. It was decided that the rubric would consist of fourteen categories, including “planning”, “attracting attention”, “expressing the problem situation”, “expressing the solution”, “visualisation”, “directing to action”, “supporting and justifying thoughts”, “appealing to emotions”, “subject integrity”, “starting and ending a conversation”, “voice utilisation”, “fluency”, “body language” and “use of time” and three achievement levels as “high”, “medium” and “low”. The developed rubric can be used in lessons by primary school fourth grade teachers.
Changing Children’s Literature in the Digital Age: Digital Books
Authors: Ozbay Ipek , Ugurelli Yagmur Ozge
Published: February 2023

Technological tools are considered an important part of daily life for young children. The study explores what types of digital books are available for children. This research was conducted with a qualitative design and the research data was collected through document analysis. The e-books (n=261) were randomly selected for evaluation from the Internet or the APP store. The findings showed that more than half of the e-books were electronically re-contextualized literary texts. It has been seen that the majority of digital books created in this way have been transferred to digital media in the form of scanned digital books named text-based files. It has been observed that less than half of e-books are digitally originated literary texts. It has been seen that the majority of digital books created in this way are e-stories for early readers. In addition, it is seen that there are very few examples of e-narratives with interactive story contexts that have features that increase the interaction of the reader with the book. At this point, it will be important to focus on developing examples of digital resources supported by various multimedia elements.
Code4ML: a large-scale dataset of annotated Machine Learning code
Authors: Drozdova Anastasia , Trofimova Ekaterina , Guseva Polina , Scherbakova Anna , Ustyuzhanin Andrey
Published: February 2023

The use of program code as a data source is increasingly expanding among data scientists. The purpose of the usage varies from the semantic classification of code to the automatic generation of programs. However, the machine learning model application is somewhat limited without annotating the code snippets. To address the lack of annotated datasets, we present the Code4ML corpus. It contains code snippets, task summaries, competitions, and dataset descriptions publicly available from Kaggle—the leading platform for hosting data science competitions. The corpus consists of ~2.5 million snippets of ML code collected from ~100 thousand Jupyter notebooks. A representative fraction of the snippets is annotated by human assessors through a user-friendly interface specially designed for that purpose. Code4ML dataset can help address a number of software engineering or data science challenges through a data-driven approach. For example, it can be helpful for semantic code classification, code auto-completion, and code generation for an ML task specified in natural language.