bluuebunny/crossref_metadata_2025 huggingface dataset:
ANALISIS PENGARUH CORPORATE SOCIAL RESPONSIBILITY (CSR) TERHADAP NILAI PERUSAHAAN DENGAN VARIABEL KONTROL LIKUIDITAS, LEVERAGE, UKURAN PERUSAHAAN, DAN PROFITABILITAS PADA PERUSAHAAN MANUFAKTUR YANG TERDAFTAR DI BURSA EFEK INDONESIA TAHUN 2017 – 2019
Authors: Loekito Vincent , Setiawati Loh Wenny
Published: July 2021

Firm value is an important factor for the company, because the firm value is not only a determinant of the condition of the company, but it can also attract investors to invest in the company. High stock prices make the market believe in the company's current performance and also the company's future prospects. This means that company managers must think about the company's image in the eyes of shareholders by implementing corporate social responsibility. Other factors which are the internal characteristics of the company that are able to influence firm value are liquidity, leverage, company size, and profitability. This study aims to analyze the effect of corporate social responsibility on firm value with the control variables of liquidity, leverage, company size, and profitability in manufacturing companies listed on the Indonesia Stock Exchange for the period 2017–2019. This study used purposive sampling technique with 156 observation data using multiple linear regression. The results of this research indicate that corporate social responsibility has no effect on firm value, while the control variables firm size and profitability have an effect on firm value, and liquidity and leverage have no effect on firm value.
IDENTIFICATION OF SOURCES OF ACTIVITY FINANCING: PROFESSIONAL JUDGMENT OF AN ACCOUNTANT
Authors:   Orenburg State University, Orenburg, Russia, Sviridova L.A. , Satalkina E.V. ,   Orenburg State University, Orenburg, Russia, Terentyeva T.A. ,   Orenburg State University, Orenburg, Russia
Published: July 2021

Relevance of the topic. Modern problems of identification of objects of accounting supervision as sources of financial support of activity are insufficiently investigated. In domestic and foreign practice, there is no definition of the source of financial support for the activities of economic entities. At the same time, the study revealed differences in the terminology used in the capital accounting system, which is an objective basis for the formation of professional judgment when accepting financing objects for accounting. The analysis has shown that the reliability of the reflection of the facts of economic life associated with their receipt and use by economic entities largely depends on the adequate identification of capital, target financing and budget allocations as objects of accounting. Goal. Identify the source of financing of the activities of economic entities operating in various sectors of the economy from the standpoint of professional judgment. Methods. The methodological basis of the work was the general scientific principles and methods of research: analysis and synthesis, logical linking, systematization of the theoretical foundations and practice of identifying sources of financing the activities of economic entities in accounting. Main results. The systematization of approaches to the definition of «economic entity» as an independent economic category is carried out, the author’s grouping of economic entities from the position of sources of financing of their activities is developed, approaches to the identification of sources of financing of activities and their reflection in accounting from the position of professional judgment of the accountant are proposed. Scientific novelty. The author’s definition of the source of financing of the activity of an economic entity is formulated, their grouping is presented and justified depending on the financial resources received for the implementation of the activity, and options for organizing accounting of sources of financing of different groups of economic entities are developed. Practical significance. The proposed author’s approach to the identification and accounting of sources of financing can be implemented in the accounting policy of economic entities. Recommendations. The conclusions given in the article allow a professional accountant to form the content of the accounting policy of an economic entity in the part of the section regulating the accounting of various sources of financing of activities and the reflection of information in the appropriate forms of accounting (financial) statements.
USING THE COMPLEX OF PHOTO AND VIDEO RECORDING OF TRAFFIC VIOLATIONS TO IDENTIFY DETERMINISTIC AND STOCHASTIC COMPONENTS OF THE TRAFFIC FLOW INTENSITY
Authors:   Perm National Research Polytechnic University, Perm, Russia, Boyarshinov M.G. , Vavilin A. S. ,   Perm National Research Polytechnic University, Perm, Russia, Shumkov A.G. ,   Perm National Research Polytechnic University, Perm, Russia
Published: July 2021

The relevance of the manuscript is due to the need to process and analyze the information accumulated by the complexes of photo-video recording of traffic violations, which will further develop mathematical, computational and simulation models of road transport, solve problems of optimization and management of traffic flows, make management decisions to reduce the number of congestion and reduce the anthropogenic load on the environment. The object of the study is a part of a three-lane road with heavy one-way traffic, equipped with a software and technical complex that allows measuring the main characteristics of the traffic flow (vehicle speeds, including the average values on the controlled road part, driving time, etc.). The subject of the study is the traffic flow intensity during a 7-day time (from Monday to Sunday). The analysis of the obtained dependences allowed us to formulate a hypothesis about the presence of determin- istic and stochastic components in the traffic flow intensity, which is a random function of time, and the verification of which is the purpose of this study. Statistical processing of the obtained data is used as a theoretical and methodological approach, as well as the assumption that the traffic flow intensity can be represented by the sum of deterministic and stochastic components. The developed approach using the smoothing procedure allowed us to select both components, and this is a scientific novelty of the analysis performed. As a result of the study, it is shown that the deterministic component of the traffic flow intensity for working days is qualitatively different from the deterministic component for weekends. Statistical indicators of probabilistic distributions of traffic flow intensities and random components selected from them are determined. Estimates of the correspondence of the selected curves to the normal law of probability distribution are obtained using the Kolmogorov and Pearson criteria, which contradict each other. Practical significance consists in the use of a deterministic component for predicting traffic flows, controlling the operation of traffic lights, monitoring the operation of equipment, as well as in the reconstruction, design and construction of roads and road objects. The direction of further research is to obtain, statistically process and generalize data on the traffic flows intensity in other parts of the road network.
Automated System Synthesis of Structured Educational Content
Authors: Sidorova E. A. , Dolgova A. V. , Zheleznyak S. P.
Published: July 2021

At present the study of computer science is almost impossible imagine without electronic educational resources usage. These resources are most often represents at learning package. Synthesis of learning packages is labour and resource intensive process. The results of this process influence to students work efficient. Article is devoted to creating automated system synthesis of structured educational content. This system is the universal shell for computer science learning package. This system allow to unify educational process approach, apply regardless of course content, increase student work efficient in university local network. Developed system is include six independent module. These modules realize system load properties choose, service, system load, authentification and tools, student competence control. This article contains modules work concept. Module work concept of system load properties choose is describes in detail and it's function algorithm is presented. Educational content is structured to computer science teaching program. All content is divided to two logical section. Which section is contains several subsection. Those section and subsection are TreeView hierarchical tree nodes. They are included educational content elements by special algorithm. Universal test system and special developed on VBA interactive trainers are included to competence control subsection. Those trainers are program's which can generate task for several topic. The system which considering in this article have some advantages. It's occupied small memory on hard disk, it's worked in network and on local computer. The educational content can be flexible included in this system without on course volume and student basic knowledge level.
Building Service Compositions Based on data on Use of Services by Users
Authors: Fedorov R. K. , Bychkov I. V. , Rugnikov G. M.
Published: July 2021

The automatic service composition is discussed in the article. The method is proposed for building the service composition based on the processing of statistical data on individual applying services (tasks) by users. The method is based on linking tasks to each other, determining data dependencies, parameters of services whose values are rigidly set by the composition of services, and parameters whose values can be changed by the user are highlighted. Service compositions are built in the form of a directed graph of DAG. The methods have been developed for reducing the set of obtained service compositions, which allow us to highlight useful ones and rank them by degree of use. In particular, equivalent service compositions based on isomorphism of DAG graphs are determined, trivial ones are discarded, and only compositions that lead to the published result are left behind.
Twitter Data Import Models
Authors: Popov V. A. , Chepovskiy A. A.
Published: July 2021

In this paper, the authors describe an algorithm for importing data from the social network Twitter and building weighted social graphs. To import data, the given posts are taken as a basis, users who have had any of the recorded interactions with them are downloaded. Further, the algorithm focuses on the given configuration and uses it to calculate the weights on the edges of the resulting graph. The configuration takes into account the type of user interaction with each other. The authors introduce the concept of (F, L, C, R)-model of information interaction.

The authors describe the developed algorithm and implemented software for constructing weighted graphs. The paper shows the application of the algorithm and three models on the example of both a single post and a series of posts.
Avalanches Forecasting Using Machine Learning Methods
Authors: Radeev N. A.
Published: July 2021

The occurrence of snow avalanches is mainly influenced by meteorological conditions and the configuration of snow cover layers. Machine learning methods have predictive power and are capable of predicting new events. From the trained machine learning models, an ensemble is obtained that predicts the possibility of avalanches. The model obtained in the article uses avalanche data, meteorological data and generated data on the state of snow cover for training. This allows the resulting solution to be used in more mountainous areas than solutions using a wider range of less available data.

Snow data is generated by the SNOWPACK software package.
Multimodal Retinal Imaging in Spinocerebellar Ataxia Type 1 Maculopathy
Authors: Mikhail Mirriam , Choudhry Netan
Published: July 2021

Objectives:

The objective of the study was to investigate and report the multimodal ocular imaging findings associated with spinocerebellar ataxia type 1 (SCA 1) associated maculopathy.

Methods:

A full ophthalmologic assessment was completed in a 70-year-old male with confirmed SCA1 and noted progressive bilateral vision loss. Investigations included dilated fundus examination, full-field electroretinography, and swept-source optical coherence tomography (OCT).

Results:

On neurologic and ophthalmologic examination, he was found to have hypermetric saccades, horizontal nystagmus, and reduced color vision bilaterally. His best-corrected visual acuity was confirmed to be 20/80 OD and 20/100 OS at the time of consultation. Initial fundus photography was most notable for bilateral hypopigmentation of the fovea. Corresponding OCT imaging demonstrated an attenuation of the ellipsoid zone, in keeping with photoreceptor loss.

Conclusion:

The ocular imaging results suggest that the vision loss in the presented case occurred in the context of pigmentary macular dystrophy secondary to photoreceptor dysfunction and retinal pigment epithelial degeneration. This association offers an explanation with respect to the progressive vision loss, but further analyses would be required to determine the temporal correlation of clinical symptoms with imaging abnormalities. These findings suggest that SCA1 be considered as a potential cause for vision impairment, with possible benefits of visual assessment at the time of diagnosis.
Model Libraries: Historical Outline of the Project
Authors: Guseva Evgenia N.
Published: July 2021

The article presents the history of interaction between the government authorities and the library and information sector in the project of development of municipal libraries. The project resulted in the “model libraries”. The project has been operating since the early 2000s. The purpose of the article is to reveal the implementation and analyse the support at the level of federal and regional government management of the program until 2018 (the start of work within the frames of the National project “Culture”). The author presents periodization of the project, as well as quantitative characteristics and approaches to the understanding the concept of “model library”.

Model library is a public library of municipal level that has standard and optimal set of material and information resources. At the same time, there is no approved definition of this phenomenon. It is assumed that the model rural library in its functions, content and equipment meets international and domestic standards and serves as a model for other institutions. The “model” indicators are reflected in the “Model Standard for Public Library Services”.

The project on creation of model libraries on the basis of municipal public libraries in rural areas of Russia started in 2002 with the emergence of the all-Russian project “Creation of model public libraries in rural areas”. Since 2012, funding under the federal target program “Culture of Russia (2012—2018)” is carried out in the form of subsidies allocated on a competitive basis. The project became a “catalyst” for modernization processes in rural libraries of Russian regions. The transformation program included the following stages: repair and equipment of the library premises; acquisition of books and electronic publications; conducting training seminars for staff. The rural model library targeted the goals of ensuring equal and free access to information, creation of a comfortable library space, etc.

After the approval of the “Model Standard for Public Library Services” (2014), it was decided to test its feasibility by creating so-called “pilot libraries of a new type”. According to this document, model libraries are intellectual centres equipped with high speed Internet, access to modern domestic information resources, which should provide access points to the National Electronic Library.

The regional leaders in creation of model libraries are the Republic of Chuvashia, the Belgorod Region, the Republic of Bashkortostan, the Kursk Region and the Republic of Mari El. As of January 1, 2019, there were 3,310 model libraries operating in the country. The creation of model municipal libraries has become one of the departmental projects of the National project “Culture”.
Continuous Library and Information Education in the Era of Digital Transformation
Authors: Kudrina Ekaterina L. , Matveeva Natalya S.
Published: July 2021

Various modifications of the system of continuous library and information education are associated with the tasks of digitalization, determined by the national development goals of the Russian Federation. The purpose of this study is to identify the main transformational trends of this system in the context of the digitalization of culture. The authors reveal the concepts of “digitalization of education”, “lifelong education”. The article analyses the reports of the track “Professional education of specialists in library and information sphere” conducted in the framework of international scientific and practical conference “Science, Technology and Information in Libraries (LIBWAY — 2020)”, held on September 14—17, 2020. The authors identified the main problematic issues of continuous library and information education: personnel potential of libraries in the era of large-scale and accelerating technological changes; diversification of additional professional education for library staff as one of the links in continuous education; regulatory support for the development of system of continuous library education; new vectors in educational activities aimed at the formation of professional and supra-professional competencies as a factor of competitiveness of the library specialists in the context of multitasking and efficiency of the cultural sector. The article emphasizes that the continuous library and information education of specialists in the era of digitalization of culture is progressing due to the new information technologies, implementation of innovative library experience, as well as the formation of new competencies of library personnel. The authors state that the development of culture and the growth of the country’s potential depend on the success of building unified library and information knowledge space as a valuable resource and the basis for economic success in the future, part of which is the system of continuous professional education.
Lessons Learned an der DIU
Authors: Richter Sandra
Published: July 2021

Es ist notwendig, ein Umdenken im Bereich der Bildung zu erreichen - nicht zuletzt aufgrund der permanenten und schnellen Veränderungen, die durch Technologie möglich geworden sind. Die Digitalisierung ist dabei nur ein Teilstück, welches die Anpassungen zum einen begünstigt, zum anderen aber auch erfordert. Wissen ist jederzeit abrufbar. Zu jedem Thema findet man Informationen im Internet. Deshalb ist es zum einen wichtig, Kompetenzen zu entwickeln im Umgang mit der Vielfalt der Daten, aber auch zu erkennen, dass das reine Lehren von Wissen nicht mehr zeitgemäß ist und unsere Kinder und Jugendlichen nicht auf das vorbereitet, womit sie in ihrem Arbeitsleben konfrontiert sein werden. Die Erlangung von Kompetenzen wie Kommunikation, Kreativität, kritisches Denken und Kollaboration (4 K) rückt in den Vordergrund und löst reinen Wissenserwerb ab. Wie können wir nun mit Hilfe von Tools und Methoden ein neues Zeitalter der Bildung zumindest einmal einläuten? Wie können wir erreichen, dass Digitalität als Unterstützung und nicht als in der Pandemie notwendiges aber vorübergehendes Übel betrachtet wird? Welche Ideen haben wir für hybride Lernsettings entwickelt? Wir haben seit März 2020 sehr viel lernen dürfen und einiges ausprobiert und möchten unsere Learnings im folgenden Bericht teilen.
Ingenieurkoffer für Experimentalpraktika@home
Authors: Beitelschmidt Michael , Wang Zhirong
Published: July 2021

Experimentalpraktika sind ein wesentlicher Baustein im Studium der Ingenieurwissenschaft.  Auch wenn virtuelles Lernen (u.a. Virtual-Reality-Experimente) eine gute Unterstützung für die Studierenden darstellt, spielen reell durchgeführte Experimentalpraktika insbesondere im ingenieurwissenschaftlichen Studium eine unverzichtbare, wichtige Rolle. Die experimentellen Versuche verbinden die Theorie und Praxis und motivieren die Lernenden zum Problemlösen.
Dieser Beitrag beschreibt am Beispiel des Projektes „Ingenieurkoffer für Experimentalpraktika@home“, wie Studierende trotz der besonderen Situation infolge der Coronavirus-Pandemie experimentelle Versuche auf dem Fachgebiet Dynamik eigenverantwortlich durchführen können, sowie die ersten Erfahrungen.  Die Vor- und Nachteile der Nutzung des mobilen Ingenieurkoffers werden diskutiert und Ansätze zum effektiven Nutzen vorgestellt.
Konzepte für eine vorteilhafte Lehre unter Pandemiebedingungen
Authors: Eckert Kerstin , Heitkam Sascha
Published: July 2021

In diesem Report wollen wir aufzeigen, wie Lehre unter Pandemiebedingungen nicht nur bewältigt wurde, sondern tatsächlich zu einem Mehrwert für die Studierenden geführt hat. Dazu analysieren und vergleichen wir unsere Erfahrungen aus drei Lehrveranstaltungen. Alle Veranstaltungen wurden vollständig virtuell und live gehalten und abschließend von den Studierenden evaluiert. Das positive Feedback wird Einfluss in die zukünftige Gestaltung dieser Veranstaltungen auch nach Bewältigung der Pandemie haben.
Gestaltungsmöglichkeiten für online Unterricht bei der Montage biegeweicher Materialien
Authors: Kyosev Yordan
Published: July 2021

In diesem Beitrag wird ein Erfahrungsbericht über die Umsetzung der Online-Lehre und eine konkrete Aufgabenstellung während des COVID-Semesters in den Jahren 2020 und 2021 vorgestellt. Die Montage von flexiblen Materialien beinhaltet viele manuelle Tätigkeiten, die bisher von den Studierenden während der Praktika selbst durchgeführt werden konnten. Gezeigt werden zwei Aufgaben zur Online-Unterstützung der Lehre durch die Programmierung einer 3D-Visualisierung der Stichtypen und der Dokumentation der Montagevorgänge durch Video oder Bild- und Textreihen. Die Erfahrungen zeigten, dass diese Visualisierungsvarianten den Personalaufwand etwas reduzieren können, aber das Mitführen eines Abspielgerätes (Tablet) von jedem Studenten während des Praktikums erfordern. Die Erfahrungen aus den beiden Aufgaben sollen auch für die Zukunft genutzt werden, um den Studenten mehr eigenständige Aufgaben anzubieten.
Online-Vorlesungen mit dem Paella-Player
Authors: Stelzer Ralph
Published: July 2021

Online-Vorlesungen können in verschiedenen Arten angeboten werden. Dazu gehören das Echtzeit-Streaming, vertonte Powerpoints sowie einfache Videos. Alle diese Angebote habe Vor- und Nachteile. So ist bei großen Hörerzahlen das direkte Streaming häufig aus technischen Gründen unmöglich. Vertonte Powerpoints sind für den Studenten nur sehr unkomfortabel zu nutzen. Videos haben da eine Reihe von Vorteilen. Allerdings hat es sich gezeigt, dass es sehr sinnvoll ist, wenn gleichzeitig sowohl die Präsentation als auch der Dozent sichtbar sind. Dies ermöglicht der von der Universitat Politècnica de València entwickelte Paella-Player. Die Funktionalität sowie die Voraussetzungen der Nutzung dieses Players sollen im Beitrag vorgestellt werden.
Online-Prüfung mit OPAL, ONYX und MAXIMA – Chancen und Grenzen
Authors: Dohmen Eike , Lange Adrian , Kraus Benjamin , Sturm Sebastian , Odenbach Stefan
Published: July 2021

Der Transfer klassischer Präsenzklausuren in digitale Formate ist perspektivisch wohl unumgänglich, um als Teil einer zeitgemäßen und qualitativ hochwertigen Ausbildung auch zielorientierte sowie anspruchsvolle Leistungsüberprüfungen durchzuführen. Im Rahmen dieser Veröffentlichung skizzieren wir an konkreten Beispielen die Chancen und Grenzen der Testplattform ONYX in Zusammenspiel mit dem Computeralgebrasystem MAXIMA unter Nutzung des Lernmanagementsystems OPAL bei der Umsetzung zweier Online-Prüfungen mit bis zu 500 Studierenden. Interessant sind dabei insbesondere die beobachteten Verlagerungen der Arbeitsanteile hinsichtlich Konzeption, Klausurbetreuung und Korrektur, die wir vorstellen und deren Auswirkungen wir diskutieren.
The aesthetics of Russian academy and New Art languages
Authors: Кривцун О.А.
Published: July 2021

Автор анализирует главные эстетические принципы Российской академии художеств и показывает, что они менялись от имперского барокко (XVIII в.) к классицизму как определяющему стилю первой половины XIX века и далее – к критическому реализму. Уделяется внимание деятельности академии как государственной институции, осуществлявшей не только учебные, но и воспитательные цели. Анализируются этапы формирования художественной школы академии, неизменно демонстрировавшей высокое качество.
В XX-XXI веках в соответствии с духом времени академия научилась сопрягать внутри себя (а значит, и внутри общества) разные художественные оптики, выявляя достоинство как классических, так и современных произведений. Этому способствовало открытие в составе академии отделения новейших течений (2011 г.).

The author gives analysis of major aesthetic principles of the Russian Academy of Arts, shows their change from the imperial baroque (in the XVIII century) to classicism, a dominant style of the first half of the XIX century, and further on to critical realism. Attention is given to the activities of the Academy as a state Institution, which did not only realize training but also educational objectives. The article reviews the main stages of the Academy art school, which unfailingly demonstrated top quality.

In the XX-XXI centuries in line with the spirit of the time the Academy learnt to encompass within itself (which means the same in regard to the society) various artistic optics (visions), bringing out merits of classical as well as modern pieces of art. A department of new trends set up in the Academy in 2011 much contributed to this.
Growth and Yield Response of Black Sesame (Sesamum indicum L.) to Foliar Spray of Amendments as Plant Growth Regulators and Micronutrients in Field Conditions
Authors: NTQ Tuan , NH Hue , NQ Khuong , TN Huu , LV Thuc
Published: July 2021

To improve the yield of sesame in Mekong delta of Vietnam, the study was conducted to find out plant growth regulator, micronutrient to increase growth and yield of black sesame. The experiment consisted of six treatments (NT) as follows: NT1: Control as no plant growth regulators and micronutrients, NT2: Spraying brassinolide at 50ppm, NT3: Spraying gibberellin at 100ppm and manganese at 0.05%, NT4: Spraying brassinolide at 1.25ppm, NT5: Spraying boric at 50ppm and molybdenum at 50ppm, NT6: Spraying selenium at 4ppm. The results showed that spraying plant growth regulators and micronutrients as single NAA, BR, Se and combined GA3 plus manganese, boric plus molybdenum at 27 and 35 days after sowing have not increased plant height and height to the first fruit in the first crop. Combination of spraying boric plus molybdenum or single selenium increased the number of capsules per plant, the number of seeds per capsule and resulted in higher sesame yield.
Music and Anthropogenic Climate Change: An Evolutionary Perspective
Authors: Andreoni Federico
Published: July 2021

Anthropogenic climate change (i.e., climate change generated by human activities) requires solutions that are grounded in both thoughtful analysis and emotional responses, promoting the creation of social bonding and the development of a common desire to implement changes in our personal lives and society at large. In this article, I use a biopsychosocial approach – an approach that takes into account biological, psychological, and socio-environmental factors – to study the role of music in eliciting emotions and enhancing social bonding. This approach will allow me to contextualize the role of music within the findings of current evolutionary theories of music, that is music theories that study the evolutionary function of music and show that music’s ability to unite people in the fight against climate change stems from its evolutionary role as a survival mechanism.
Hepatitis B virus compartmentalization and single-cell differentiation in hepatocellular carcinoma
Authors: Jühling Frank , Saviano Antonio , Ponsolles Clara , Heydmann Laura , Crouchet Emilie , Durand Sarah C , El Saghire Houssein , Felli Emanuele , Lindner Véronique , Pessaux Patrick , Pochet Nathalie , Schuster Catherine , Verrier Eloi R , Baumert Thomas F
Published: July 2021

Chronic hepatitis B virus (HBV) infection is a major cause of hepatocellular carcinoma (HCC) world-wide. The molecular mechanisms of viral hepatocarcinogenesis are still partially understood. Here, we applied two complementary single-cell RNA-sequencing protocols to investigate HBV–HCC host cell interactions at the single cell level of patient-derived HCC. Computational analyses revealed a marked HCC heterogeneity with a robust and significant correlation between HBV reads and cancer cell differentiation. Viral reads significantly correlated with the expression of HBV-dependency factors such asHLFin different tumor compartments. Analyses of virus-induced host responses identified previously undiscovered pathways mediating viral carcinogenesis, such as E2F- and MYC targets as well as adipogenesis. Mapping of fused HBV–host cell transcripts allowed the characterization of integration sites in individual cancer cells. Collectively, single-cell RNA-Seq unravels heterogeneity and compartmentalization of both, virus and cancer identifying new candidate pathways for viral hepatocarcinogenesis. The perturbation of pro-carcinogenic gene expression even at low HBV levels highlights the need of HBV cure to eliminate HCC risk.
'Seductive promises' and the use of online mathematics instructional programmes in New Zealand primary schools
Authors: Darragh Lisa
Published: July 2021

Internet access and the availability of digital devices in the classroom have grown exponentially. Correspondingly, we have online platforms for learning mathematics that are subscription-based and available for schools or individuals to purchase. Research in mathematics education tends to focus on the benefits to teaching and learning afforded by digital technology, while less attention is given to the implications of having commercial applications in our mathematics classrooms, and their considerable cost. This paper reports on a study of online mathematics instructional programmes in primary schools of New Zealand. Data sources include a survey sent to mathematics leaders of all primary schools, and a discursive analysis of the websites of the most commonly used instructional programmes. There was an obvious similarity found between the promises of the websites and the rationales expressed by school leaders for using the programmes, suggesting that schools are succumbing to the seductive promises of these commercial programmes. It is argued that we need to further examine the implications of using such programmes in our mathematics classrooms, especially in the context of profit-making inside public education.
Partnering with practitioners
Authors: Wilson Aaron , Jesson Rebecca
Published: July 2021

In this paper we describe a research-practice partnership between the Woolf Fisher Research Centre and the Digital Schools Partnership, a group of 84 schools in 11 geographically-based clusters that were implementing a ubiquitous digital teaching and learning platform within their face-to-face classes. The model of research-partnership employed is the Learning Schools Model (LSM), which is a design-based research approach that has been tested and replicated over 15 years and across diverse contexts and countries. We reflect on benefits and challenges of working in partnerships to achieve practice and research aims, which are to improve valued learning outcomes for students historically under-served in education and to advance research knowledge more generally (Lai, McNaughton, Jesson, & Wilson, 2020). We describe a recursive process of collective inquiry that involves researchers and teachers: working together to identify valued learning outcomes (VLOs) on which to focus our improvement efforts; developing a rich profile of students’ strengths and areas for improvement with respect to those VLOs; generating and testing a set of possible explanations for that profile of learning; co-designing and implementing targeted interventions, and; evaluating the extent and  impact of changed practices. We reflect on the importance of building relational trust and approaches for doing so.
All Things to All Men: Ethos in Cicero’s Post-Ides Correspondence
Authors: Galloway Meg
Published: July 2021

In the wake of Caesar’s assassination, Cicero was without the necessary magisterial and martial authority to direct affairs and his influence over the fractious Senate was fragile at best. So, too, did he face the challenge of physical distance. With influential statesmen scattered across the Roman world, the reliance on correspondence for political manoeuvring and the performance of self was more pronounced than ever before. Cicero’s letters, then, played an essential role in his self-fashioning of authority after the Ides of March.

This thesis illuminates the nuanced, critical, and underappreciated role that Cicero’s correspondence played in his cultivation of fresh influence after Caesar’s death by assessing the post-Ides corpus through the lens of ethos. In particular, Aristotle’s conception of ethos as comprising phronesis (‘practical wisdom’ or ‘prudence’), eunoia (‘goodwill’ or ‘benevolence’), and aretē excellence’ or ‘moral virtue’) provides a valuable framework. When applied to the letters, three distinct instances of epistolary persona creation are revealed: Cicero as Nestor, Cicero as amicus, and Cicero as saviour. Each of these personae, it is demonstrated, are ultimately employed by the statesman to establish authority as the res publica’s helmsman.
The Design and Construction of an Expressive Mechatronic Chordophone
Authors: Yepez Placencia Juan Pablo
Published: July 2021

Mechatronic chordophones are stringed instruments that integrate mechanical components and electronics to make music. These instruments offer precise control over multiple sound parameters and expressive techniques for enhanced musical expression.

There have been multiple successful mechatronic chordophone designs,from robotic slide guitars to bass guitar robots. Among these designs are plucked string and pitch shifting mechatronic chordophones, which make music by exciting the string with a picking mechanism and selecting musical notes with a pitch shifter mechanism. This configuration enables these systems to enhance their musical performance through pitch-based expressive techniques and micro tonal pitches.

However, even if these instruments can achieve speeds and precision beyond the capabilities of a human performer, their expressive capabilities are limited. It is difficult for mechatronic chordophones to perform dynamic variations and expressive techniques,and the presence of extraneous noise usually interferes with their musical performance. Furthermore, it is still challenging for users to control such instruments.

We have built two mechatronic chordophones. The first is Protochord, a mechatronic monochord prototype. We used this system as a platform for iterative design to develop new expressive mechatronic chordophone subsystems. The second is Azure Talos,a multi-string mechatronic chordophone designed to outperform other existing systems and to afford a wide array of parameters for musical expression.

Our research has led to the development of novel mechatronic chordophone subsystems such as: a revolving picking mechanism with superior dynamic variation capabilities compared to that of other existing designs; a fast and precise robot arm pitch shifting mechanism that affords pitch-based expressive techniques; and an optical pickup that rejects extraneous noise. We have demonstrated the technical capabilities of these designs through quantitative evaluation processes, in many cases providing the first set of quantitative tests in the literature of these types of sub-assemblies and systems. A key aim is to provide standards and benchmarks in evaluation criteria which may be used in the development of new mechatronic chordophones.

Finally, we developed strategies to assess Azure Talos' musical capabilities through standard guitar techniques, repertoire examples,and creative musical explorations.
Editorial Board
Authors: Bikotetik Admin
Published: July 2021

Editorial Board
Massive lower gastrointestinal bleeding in a young postpartum lady: A management dilemma
Authors: Fijasri Nurul Hafiez , Keenoo Muhammad Sajjaad , Oaris Iqtidaar , Zakaria Andee Dzulkarnaen , Zakaria Zaidi , Hussain Faezahtul Arbaeyah , Wong Michael Pak-Kai
Published: July 2021

Introduction:
Lower gastrointestinal (GI) bleeding secondary to bleeding colonic angiodysplasia in a young population is rare. The prevalence of angiodysplasia in healthy asymptomatic adult was 0.8% and increases in elderly population, chronic renal failure, pulmonary disease, aortic stenosis, and von Willebrand disease.

Aim:
We are reporting a case of a young, postpartum woman who presented to us with massive lower GI bleeding secondary to bleeding angiodysplasia. Angiodysplasia is rare in this group of patients, making the detection and treatment challenging.

Case study:
A fit 25-year-old woman presented with type IV hypovolemic shock due to massive lower GI bleeding on postpartum day 15. Emergency colonoscopy was attempted with no evidence of active bleeding detected until splenic flexure. The patient was rushed to the operation theatre for exploratory laparotomy due to unstable condition. Segmental colonic clamping was performed and due to persistent blood pooling at different segments throughout the colon, subtotal colectomy and end ileostomy were performed. Patient recovered well post-operatively.

Results and discussion:
Physiological changes during pregnancy may has aggravated the risk of bleeding in GI angiodysplasia. Following resuscitation, a lesion causing lower GI bleed can be identified and treated with a variety of endoscopic procedures, radiological and surgical interventions. In our case, the role of surgery comes in place due to massive life-threatening lower GI bleeding not responding to resuscitation.

Conclusions:
Postpartum gastrointestinal bleeding from multiple colonic angiodysplasia is rare. It poses a challenge in diagnostic and treatment strategies. A timely individualized intervention either via endoscopy, interventional radiology or surgery is crucial and life-saving.
Alberta Health Services Emergency Strategic Clinical Network Quality Improvement and Innovation forum 2021
Authors: McLane Patrick , Lang Eddy
Published: July 2021

The Alberta Health Services Emergency Strategic Clinical Network Quality Improvement and Innovation forum 2021.

Patrick McLane and Eddy Lang on behalf of the Emergency Strategic Clinical Network

Evidence-based research and quality improvement work are pivotal to health systems meeting their goals. Translating findings and disseminating innovative practices to new settings occurs in part through knowledge translation events, such as conferences and workshops.

The Emergency Strategic Clinical NetworkTM (ESCN) Quality Improvement and Innovation forum fills a gap between local and national events. It is devoted to sharing methods and results of emergency department projects in Alberta among those working in emergency care. 2021 was the third consecutive year the ESCN has held this event.

The event provides an opportunity for those working on quality improvement in emergency medicine to network with one another, share innovative projects, share know how and translate promising works to new settings. In addition, the event provides an opportunity to identify projects for potential development through local, provincial, or national funding opportunities.

In light of the ongoing pandemic, this year’s forum was held virtually with the support of the University of Calgary Continuing Medical Education group. Funding was kindly provided by the College of Physicians and Surgeons of Alberta. Nineteen teams presented their projects orally. Invited nurse and clinician scientists ranked all submissions to the forum, and the top ranked submissions were recognized in the following categories:Submissions by ESCN staff and the event sponsor were not eligible for recognition.

A new feature this year was a presentation by ESCN patient advisors on their perspectives on quality improvement, which was well received by all.

Strong attendance shows the value practitioners see in the forum. In 2021, the forum was attended by approximately 140 educators, managers, nurses, physicians and researchers from across Alberta. This is a marked increase over previous years. Post-event evaluation survey feedback suggests that the online format was greatly appreciated and made the event more accessible. Requests for more rural oriented content in event feedback may also indicate that the event drew more rural attendees this year.

We are pleased to partner with the Canadian Journal of Emergency Nursing to make abstracts from the event widely available. Individual presenters have had the option of submitting their abstracts for publication in CJEN. In some instances, abstracts have already been published through other conferences and so could not be submitted to CJEN.

The findings presented in the abstracts are solely the work of the submitting authors. The ESCN does not guarantee the accuracy of any reported information. The views expressed in the abstracts are solely the views of the authors and do not represent the ESCN or Alberta Health Services.

Correspondence to: emergencyscn@ahs.ca
PERAMALAN PENJUALAN MINUMAN LOVE JUICE PRODUK PT. KALBE FARMA TBK. DI KOTA MATARAM
Authors: Karuna W Olivia Benedicta , Fernandez FX. Edy , Sjah Taslim
Published: July 2021

Penelitian ini bertujuan untuk: (1) Menganalisis perkembangan penjualan minuman Love Juice yang dipasarkan oleh PT. Kalbe Farma Tbk. di Kota Mataram, (2) menganalisis metode peramalan yang tepat untuk meramalkan penjualan minuman Love Juice pada PT. Kalbe Farma Tbk. di Kota Mataram, (3) Meramalkan penjualan minuman Love Juice tahun 2019 pada PT. Kalbe Farma Tbk. di Kota Mataram. Penelitian ini dilaksanakan di PT. Kalbe Farma Tbk.

Penelitian ini menggunakan metode deskriptif dengan unit analisis berupa produk minuman Love Juice oleh PT. Kalbe Farma Tbk. Cabang Kota Mataram dengan empat varian rasa, yaitu jambu biji, delima, jeruk, dan mangga. Penentuan daerah sampel ditentukan menggunakan purposive sampling dengan objek penelitian di PT. Kalbe Farma Tbk. Cabang Kota Mataram. Jenis penelitian ini menggunakan data kuantitatif, dengan sumber data yaitu data sekunder.

Hasil penelitian menunjukkan: (1) Penjualan minuman Love Juice selama 5 tahun terakhir bersifat fluktuatif; (2) Metode peramalan yang tepat digunakan untuk meramalkan penjualan minuman Love Juice adalah metode Trend Least Square; (3) Peramalan penjualan minuman Love Juice rata-rata perbulan yaitu rasa jambu biji sebanyak 4.205.645 botol, rasa delima sebanyak 3.784.224 botol, rasa jeruk sebanyak 2.345.674 botol, dan rasa mangga sebanyak 6.667.340 botol.
Level Berpikir Geometri Peserta Didik Berdasarkan Teori Van Hiele pada Materi Bangun Ruang Sisi Datar
Authors: Cesaria Anna , Herman Tatang , Dahlan Jarnawi Afgani
Published: July 2021

According to Van Hiele, in understanding geometry, students need to understand five stages, namely stage 1 (introduction stage), stage 2 (analysis stage), stage 3 (sequencing stage), stage 4 (deduction stage), and stage 5 (accuracy stage). Each student has different geometric thinking abilities. This study aims to examine the geometric abilities of junior high school students in the material of flat-sided geometry according to Van Hiele's Theory. This research belongs to the type of qualitative research with a case study design. It was conducted at three schools in Padang, West Sumatra, Indonesia. The subjects were students of SMP Negeri 1 Padang, SMP Negeri 7 Padang, and SMP Negeri 25 Padang. Data collection was carried out using tests, interviews, and documentation. Data analysis was carried out with the stages of data reduction, data presentation, and data verification or drawing conclusions. The data originality technique was carried out with the triangulation technique, where the researcher compared the test data with the results of interviews with students. Of the 94 students (male = 38, female 56) tested based on the geometric thinking level of Van Hiele Theory, 92.55% of the students reached the Van Hiele thinking stage at the visualization level. As many as 45.74% of students reached the level of geometric analysis, and 6.38% of students reached the level of abstraction. For the level of deduction and accuracy, no one has been able to solve the problem. The results obtained in this study are that most students are still at stages 1 and 2, unlike van Hiele's opinion, which revealed that the level of geometric thinking for junior high school students is at level 3. According to the study results, it is essential to carry out further checks on the level of geometric thinking of junior high school students in other areas.
Mathematical Problem-Solving on Slow Learners Based on Their Mathematical Resilience
Authors: Faradillah Ayu , Fadhilah Yasmin Husna Restu
Published: July 2021

This study aims to describe mathematical resilience on slow learner students in solving problems. According to the previous research, there is no research focused on the subject of slow learners. The research method is a qualitative descriptive approach. The total population of this study was 71 students with special needs, which consisted of 51 male students and 20 female students. The selection of subjects in this study was reviewed based on three levels of mathematical resilience, namely high, medium, and low. The process of selecting this subject uses the Wright Maps table on Winsteps application version 3.73. Selected subjects were given instruments and interviews to analyze their mathematical problem-solving. The results showed that mathematical resilience on slow learner students was directly proportional to solving mathematical problems for subjects with high mathematical resilience. Meanwhile, subjects with medium and low mathematical resilience were inversely proportional to solving mathematical problems. The stages of solving the problem of the slow learners were incomplete because they have not passed one of the stages formulated by Polya. Therefore, based on the results of this research analysis, teachers can pay more attention to the slow-learners learning strategies in solving problems.
Students' Quantitative Literacy in Solving PISA Problem Based on Gender Differences
Authors: Lestariningsih Lestariningsih , Maulidah Nita Safitri , Lutfianto Moch.
Published: July 2021

Quantitative literacy is an important skill needed by individuals in solving problems with quantitative situations in daily life. Thus, this paper aimed to identify quantitative literacy in solving the PISA problem based on gender differences. This study used descriptive research with a qualitative approach. Research subjects in this study were two tenth-grade students in middle school. They were one male student and one female student who have the similar mathematical ability. Data were collected by giving the Program for International Student Assessment (PISA) problem, especially mathematical literacy, and using the interview method. The research results showed that the quantitative literacy of male student in solving PISA problems is by using fewless symbols to represent time and incomplete algorithms and procedures. In comparison, the quantitative literacy of female student in solving PISA problems is by using a more detailed description, more mathematical operations, and solving the problem according to algorithms and procedures. Furthermore, both students have quantitative literacy aspects, including interpretation, calculation, representation, assumption, analysis, and communication skills. Therefore, the quantitative literacy ability of students can be used as a reference for teachers to determine the modeling activities conducted by students in solving the PISA problem.