bluuebunny/crossref_metadata_2025 huggingface dataset:
Detection of SARS-CoV-2 on surfaces of an Intensive Care Unit
Authors: Simplício Irinéia de Oliveira Bacelar , Miranda Monica Karla Vojta , Fernandes Adriana Barrinha , Lima Fernanda da Silva , Bezerra Jociléia da Silva , Ferreira Mariane Santos , Lima Carlos José de , Vinhote Nelly , Alves Leandro Procópio
Published: June 2022

The study aimed to evaluate the presence of SARS-CoV-2 on surfaces in an Intensive Care Unit and to identify the role these surfaces may play in the transmission of this virus. The research was exploratory, descriptive, prospective, experimental research, with quantitative approach, conducted in the second half of 2020 in a public hospital of reference in the care for critically ill patients with COVID-19 in Santarém-Pará.It comprised 45 samples of surfaces of the most touched areas in the adult ITU of patients diagnosed with COVID-19 through RT-PCR: corresponding to 9 (nine) samples for each of the surfaces (on the mattress; side rails and bed control panel; mechanical ventilator circuit; bedside table and infusion pump). The samples were collected during the day in an occupied bed, using a swab on the extension of the surface. In the sequence they were submitted to the extraction process of genetic material, Ribonucleic Acid (RNA), of the SARS-CoV-2 virus, and later submitted to the amplification of the genetic material.According to the data obtained, all the surface samples analyzed in the present study tested negative for SARS-CoV-2, considering that the analysis was performed in ITU, in the period when inpatients were infected with SARS-CoV-2 and in transmissibility phase. These results suggest that the risk of exposure to a contaminated surface within an ITU is low, provided that preventive measures and sanitization routines are maintained.Cleaning and disinfection of care surfaces, using the standard protocol recommended by the National Health Surveillance Agency - Anvisa, are considered effective measures in containing SARS-CoV-2 transmission and infectivity.
ТРАНСФОРМАЦИЯ МИКРОЭЛЕКТРОНИКИ США: ФОРМИРОВАНИЕ ЗАМКНУТОЙ НАЦИОНАЛЬНОЙ ЭКОСИСТЕМЫ МИКРОЭЛЕКТРОНИКИ НА ПРИМЕРЕ КОРПОРАЦИИ INTEL
Authors: Авдонин Б. , Макушин М.
Published: June 2022

На смену процесса глобализации пришла «национализация» – создание замкнутых экосистем микроэлектроники (в основном в составе сегментов полупроводниковых материалов, оборудования, инструментальных средств САПР, СФ-блоков и т. д.), независимых от остального мира. Эти процессы хорошо просматриваются при анализе деятельности корпорации Intel в последние год-два.
ОСОБЕННОСТИ ПРИМЕНЕНИЯ КВАРЦЕВЫХ ГЕНЕРАТОРОВ В РАДИОИЗМЕРИТЕЛЬНОЙ АППАРАТУРЕ
Authors: Иванов Ю. , Никонов А.
Published: June 2022

Кварцевые генераторы являются наиболее широко используемым источником стабильной частоты. В статье рассматриваются основные параметры кварцевых генераторов и даются рекомендации по достижению максимальной стабильности частоты при их использовании в радиоизмерительной аппаратуре.
Monitoring different causal patterns of bovine abortion syndrome
Authors: Gädicke L'Huissier Paula , Chihuailaf R , Letelier R , Allende R , Ruiz A , Junod T
Published: June 2022

Bovine Abortion Syndrome (bas) has a significant impact on commercial dairies. Abortion rates vary between 2 and 20 % and there is little information regarding non-infectious factors affecting fetal stages. We analyzed the joint relationship of infectious and non-infectious factors with the probability of abortion in dairy cows. We used dairy cows from the Ñuble province of Chile (n = 148) at 42 days of pregnancy. We then took monthly blood samples until abortion or calving. We determined plasma concentrations for the following: amino transferase, albumin, cholesterol, globulin, fibrinogen, â-hydroxybutyrate, retinol, á-tocopherol, calcium, phosphorus, glutathione peroxidase, total proteins and urea. Serology was performed for infectious diseases and body conditions were recorded. Our study used a multivariable logistic regression model and proportional hazard regression. There was an (p < 0.05) association with abortion, (or = 4.27) for Neospora caninum and (hr = 94.35) for Leptospira interrogans, with a low cholesterol concentration (p < 0.05) in the fourth month of pregnancy (or = 0.61), and a decrease in body condition from month three to four (or = 0.32). bas is associated with negative energy balances, protective effects of high cholesterol plasma concentrations in the first trimester of gestation and incidences of Neospora caninum, Leptospira interrogans, and a conjunction of the two. It is important to provide epidemiological surveillance tools that help anticipate herd reproductive losses through management measures, infectious disease control and proper nutritional management.
Use of Artificial Neural Networks to predict strong ground motion duration of interplate and inslab mexican Earthquakes for soft and firm soils
Authors: Flores-Mendoza R. , Rodríguez-Alcántara Josué Uriel , Pozos-Estrada Adrian , Gómez R.
Published: June 2022

Se desarrollan modelos de red neuronal artificial para predecir la duración del movimiento fuerte del terreno de eventos de subducción en suelos firme y blando. Para entrenar la red neuronal artificial se emplea una base de datos con un total de 3153 registros sísmicos con dos componentes horizontales para eventos de interplaca e intraslab. El método de componente principal es usado para realizar una reducción dimensional de los parámetros de entrada para desarrollar los modelos de red neuronal artificial. Los valores predichos de la duración del movimiento fuerte del terreno por la red neuronal entrenada son comparados con aquellos estimados con expresiones empíricas. En general, la duración del movimiento fuerte del terreno predicha con la red neuronal artificial sigue la misma tendencia que la calculada con las ecuaciones empíricas, aunque en algunos casos, ésta presenta cambios repentinos en su comportamiento. Por esta razón, es recomendado llevar a cabo varias verificaciones de los modelos entrenados de la red neuronal artificial antes de usarlos para más aplicaciones ingenieriles, por ejemplo, la simulación de registros sintéticos o la evaluación de índices sísmicos de daño.
Breast Cancer Prediction Using Machine Learning
Authors: Challa Ramya
Published: June 2022

Abstract: Breast cancer is one ofi the diseases which cause number ofi deaths ever year across the globe, early detection and diagnosis ofi such type ofi disease is a challenging task ini orderi to reduce the numberi ofi deaths. Now a days various techniques ofi machinei learning and data miningi are used for medical diagnosis which has proven there metal by which prediction can be done for the chronic diseases like canceri which can save the life’s ofi the patients suffering from such type ofi disease. The major concern ofi this study is to findi the prediction accuracy ofi the classification algorithms like Support Vector Machine, J48, Naïve Bayes and Randomi Forest and to suggest the best algorithm.
Network Security and Cyber Security: A Review
Authors: Rode Mrs. K. N.
Published: June 2022

Abstract: Secure Network has now become a need of any organization. The security threats are increasing day by day and making high speed wired/wireless network and internet services, insecure and unreliable. Now – a - days security measures works more importantly towards fulfilling the cutting edge demands of today’s growing industries. The need is also induced in to the areas like defense, where secure and authenticated access of resources are the key issues related to information security. In this paper Author has described the important measures and parameters regarding large industry/organizational requirements for establishing a secure network. Wi-Fi networks are very common in providing wireless network access to different resources and connecting various devices wirelessly. There are need of different requirements to handle Wi-Fi threats and network hacking attempts. This paper explores important security measures related to different network scenarios, so that a fully secured network environment could be established in an organization. Author also has discussed a case study to illustrate the minimal set of measures required for establishing network security in any organization. We will be analyzing a variety of cyber-attacks and different security methods. We aspire to create research into the subject area. This paper explores how cybercrime has become a serious threat in our lives and we are going to look at a few of the different security methods that are being used in this arena and their various weaknesses.
IOT based Flood Monitoring and Alerting System
Authors: Raj Abhishek
Published: June 2022

Abstract: Flooding is considered one of the most destructive natural disasters in the world. In countries like India with climatic conditions occurrence of heavy rain fall and subsequent discharge of water leads to Flood. Flooding creates major damages to life, their habitats and the economy By installing of flood alerting systems near major waterways vital information can be provide so that lives and property can be protected. Normal Weather monitoring and alerting systems are not quick and accurate enough to predict floods in time to prevent personal or environmental damages. The government has to spend tons of money in flood mitigation plans to help the victims and also to reduce the number in the long run damages that can occur after flooding. Since Most of the flood alerting systems involves high cost they are deployed on select locations based on priority. In this project we make use of a cost effective system using raspberry pi board and sensors, to measure rise of water level in rivers and water bodies and alert government authorities and people instantly by transmitting information using IOT. In the present work we have used thingspeak-IOT platform and GSM module. The data can be accessed from android smart phones using things View mobile application at anytime from anywhere in the world where GSM module is used to send the alert message to the people.
Drug Testing in the U.S. Trucking Industry: Hair vs. Urine Samples and the Implications for Policy and the Industry
Authors: Voss M Douglas , Cangelosi Joe
Published: June 2022

Virtually everything we own was transported by truck at some point. Around 3.5 million truck drivers haul almost 71% of U.S. freight. To ensure the safety of our roadways, the U.S. government requires all drivers to pass urinalysis drug screens. However, urinalysis drug screens are easily thwarted and some trucking companies use hair drug screens, a more stringent test. This research examines trucking industry data and finds about 300,000 truck drivers would be removed from their positions if forced to pass a hair drug test. Hair testing opponents argue that the test is biased against ethnic minority groups. Comparing urine and hair pass/fail rates for various ethnic groups, our results indicate ethnic groups are significantly different irrespective of testing procedure. Factors other than testing method seem to underlie ethnic group pass/fail rate differences.
Plausibility of scientific findings: institutional factors in lay evaluations
Authors: Sheremet Elizaveta P. , Deviatko Inna F.
Published: June 2022

One of the recent “crises” experienced by science is associated with a decline in its public support. We conducted two factorial surveys among university students aiming at broadening our understanding of the information cues influencing the wider publics' judgments of science. We found that sociological and criminological research results are perceived as less plausible compared to neuroscientific and physiological research, but as more plausible than results from genetics. In contrast with the previous data on the importance of funding and institutional prestige cues as the indirect indicators of the research quality among academic experts, we discovered the absence of any effects of funding or institutional prestige for the selected type of general audience.
Multi-armed quantum bandits: Exploration versus exploitation when learning properties of quantum states
Authors: Lumbreras Josep , Haapasalo Erkka , Tomamichel Marco
Published: June 2022

We initiate the study of tradeoffs between exploration and exploitation in online learning of properties of quantum states. Given sequential oracle access to an unknown quantum state, in each round, we are tasked to choose an observable from a set of actions aiming to maximize its expectation value on the state (the reward). Information gained about the unknown state from previous rounds can be used to gradually improve the choice of action, thus reducing the gap between the reward and the maximal reward attainable with the given action set (the regret). We provide various information-theoretic lower bounds on the cumulative regret that an optimal learner must incur, and show that it scales at least as the square root of the number of rounds played. We also investigate the dependence of the cumulative regret on the number of available actions and the dimension of the underlying space. Moreover, we exhibit strategies that are optimal for bandits with a finite number of arms and general mixed states.
Quantum scattering as a work source
Authors: Jacob Samuel L. , Esposito Massimiliano , Parrondo Juan M. R. , Barra Felipe
Published: June 2022

We consider a collision between a moving particle and a fixed system, each having internal degrees of freedom. We identify the regime where the motion of the particle acts as a work source for the joint internal system, leading to energy changes which preserve the entropy. This regime arises when the particle has high kinetic energy and its quantum state of motion is broad in momentum and narrow in space, whether pure or mixed. In this case, the scattering map ruling the dynamics of the internal degrees of freedom becomes unitary and equivalent to that of a time-dependent interaction between the internal degrees of freedom of the colliding systems. It follows that the kinetic energy lost by the particle during the autonomous quantum collision coincides with the work performed by the time-dependent interaction. Recently, collisions with particles were shown to act as heat sources under suitable conditions; here we show that they can also act as work sources. This opens interesting perspectives for quantum thermodynamics formulations within scattering theory.
INNOVATIVE RISKS IN ENTREPRENEURSHIP
Authors:   реднерусский институт управления – филиал Российской академии народного хозяйства и государственной службы при Президенте РФ, Орел, Россия, Андрей Витальевич Полянин , Юлия Павловна Соболева ,   Среднерусский институт управления – филиал Российской академии народного хозяйства и государственной службы при Президенте РФ, Орел, Россия,   Орловский государственный институт культуры, Орел, Россия, Людмила Ивановна Кулакова ,   Дальневосточный филиал Всероссийской академии внешней торговли, Петропавловск-Камчатский, Россия
Published: June 2022

The purpose of this study is to identify innovative risks accompanying the process of introduction of technological innovations by domestic business entities. In the course of this work, we characterized the essence of innovation risks, assessed their role in the development of entrepreneurship, and analyzed the development of Russian business in the conditions of the sanctions impact of the world economy. The scientific novelty of the study consists in identifying a completely new category of innovation risks – external, combining market, technological and geo-economic factors. These are the risks emerging in the conditions of simultaneous globalization of the world economy and its stagnation.
TRANSFORMATION OF WORLD ECONOMY ARCHITECTURE: GLOBAL VALUE CHAINS IN THE PERIOD OF COVID-19 PANDEMIA
Authors:   Национальный исследовательский университет «Высшая школа экономики», Москва, Россия, Татьяна Георгиевна Философова
Published: June 2022

The prospects of world economy architecture transformation are in the center of attentation of national and international organizations and research community today. The article shows that the vector of such transformation is given by changes in functioning of global value chains (GVC) that determine the development of world trade and competition of global actors. The quarantine and countries’ isolation in the period of COVID-19 pandemia destroyed seriously GVC, pandemia put sharply the question before countries about the effectiveness of GVC, the search for national reserves and opportunities and, finally, about new world economy architecture creation. At the same time there is argued in the article that even before pandemia globalization was not total: there were viewed the decrease in level of production fragmentation and activization of regionalization processes. The author underlined that the intention of GVC actors to keep equilibrium unger modern political situation creates the prerequisites for reformatting of GVC and transformation of the whole world economy architecture.
INNOVATIVE ECO-SAVING TECHNOLOGIES "SMART TRANSPORT" IN THE SYSTEM OF MEGAPOLIS SUSTAINABLE MANAGEMENT
Authors:   Южный федеральный университет, Ростов-на-Дону, Россия, Елена Иосифовна Лазарева , Арам Араевич Геворгян ,   Южный федеральный университет, Ростов-на-Дону, Россия
Published: June 2022

The actuality of the research is defined by the growing significance of energy efficiency of managerial decisions of the subjects of contemporary metropolitan economy in conditions of global environmental degradation, the priorities of which are increasingly shifting towards the man and the nature-saving conditions of his life. The decision to this problem depends to a large extent on the intensity of the integration of innovative nature-saving technologies "smart transport", including policies to support the electric vehicle industry, into the system of sustainable urban management. The research goal is to substantiate, on the basis of foreign experience, the relevance and a number of strategic measures to increase the rate of electric mobility of Russian megacities’ transport systems by creating economic conditions to overcome the identified problems. The article substantiates in detail the recommendations for the formation of a strategy for the development of the electromobility process in Russian cities. It demonstrates that the intensification of electromobilization processes and the introduction of tools contributing to this in the practice of urban management will lead to an increase in the environmental and economic efficiency of the transport system, and, consequently, to an improvement in the quality of life in Russian megacities.
EVOLUTION OF THE PUBLIC SERVICE MANAGEMENT SYSTEM IN THE RUSSIAN FEDERATION AND THE SUBJECTS OF THE RUSSIAN FEDERATION
Authors:   Южно-Российский институт управления – филиал Российской академии народного хозяйства и государственной службы при Президенте РФ, Ростов-на-Дону, Россия, Светлана Львовна Нужнова
Published: June 2022

The article examines the development of the sphere of public service management in our country and its current state. It is concluded that at the federal level, we can talk about the formation of a certain system for the management of the civil service at the present time. There is a rather heterogeneous picture in the regions, which is due to the fact that each of them chooses the most convenient form for themselves. The article presents a classification of approaches to the organization of the implementation of functions for the management of the state civil service in the subjects of the Russian Federation
DEVELOPMENT OF A METHODOLOGY FOR REVIEWING THE CONCLUSION OF A TAX FORENSIC EXAMINATION
Authors:   Ростовский филиал Российского государственного университета правосудия, Ростов-на-Дону, Юрий Викторович Демидченко ,   Южный федеральный университет, Ростов-на-Дону, Россия, Татьяна Геннадьевна Погорелова ,   Южный федеральный университет, Ростов-на-Дону, Россия,   Донской казачий государственный институт пищевых технологий и экономики (филиал) Московского государственного университета технологий и управления имени К. Г. Разумовского, Ростов-на-Дону, Россия, Наталья Юрьевна Лебедева ,   Южный федеральный университет, Ростов-на-Дону, Россия
Published: June 2022

Currently, the tool of reviewing the conclusion of the tax forensic examination is increasingly being used, which is a written judgment of specialists with special knowledge on the issues put to them, and subject to mandatory research according to the general rules for evaluating evidence. However, a specialized methodology for reviewing has not been developed. This article presents the directions of development of the methodology for compiling a review of the conclusion of the judicial tax examination
MAHARANI DOWAGER CIXI: WANITA YANG MEMERINTAH CHINA DI BELAKANG TABIR, 1862-1874
Authors: Dar Ku Boon
Published: June 2022

This article examines Empress Dowager Cixi’s life history up until her ascension to power in 1875. The focus of the study is on the reign of Emperor Tongzhi (1862-1874) because Cixi successfully launched a coup known as Xinyou 1861 until she was known as the Chinese empress who ruled ‘behind the curtains’ during the reign of Emperor Tongzhi. This research into the subject utilises the qualitative method by scrutinising the polemic on Cixi’s role in the history of modern China. This is due to divided perception among historians that she was theiron lady behind the throne during her reign. The findings of this research reveals that Cixi was merely a victim of political circumstances arising from the internal collapse of the Qing Dynasty which was out of her control. This research concludes that during the early days of her administration, Cixi had the resolve and determination to propel China towards modernisation based on the Western administrative model. Unfortunately, the empress had to postpone all efforts to modernise China in order to maintain and preserve her position from her political rivals.
WOMEN AND MARITIME PIRACY IN PREMODERN ISLAND SOUTHEAST ASIA
Authors: Sugiyama Akiko
Published: June 2022

The historiography of maritime piracy has largely concentrated on the experience of male seafarers and featured their reckless adventure, violence, and harsh life. In the male-focused historiography of seafaring and maritime piracy, women’s presence on the sea has been often reduced to the symbolic realm of the wooden figureheads carved into the bow of sailing vessels. Maritime historians over the past few decades have uncovered and rediscovered life stories of female seafarers and pirates across the ages and regions. Against this backdrop, this article reviews leading works primarily in English on statecraft and commerce in premodern island Southeast Asia, a historical and contemporary hub of maritime piracy. In a striking contrast with the world’s major seas and oceans, the region is marked by a relative absence of women pirates.This article is using qualitative method-data from archieves. The findings of this article suggests that in seafaring communities of island Southeast Asia were not pirates or did not become one because of complementarity in gender roles, social patterns based on bilateral kinship, and women’s prominence in local commerce. These observations effectively turn our attention away from the quest of women pirates to a broader examination on gender roles and gender relations in seafaring societies.
A rare triad of appendiceal diverticula, appendiceal carcinoid, and colonic diverticula
Authors: Kim Sunyoung , Makkapati Shreya , Modukuru Venkat , Wallack Marc
Published: June 2022

Appendiceal diverticulosis is a rare finding associated with appendiceal
neoplasms. Both can masquerade as appendicitis in patients and are
overlooked in differentials of right upper quadrant pain. A 37-year-old
African American female presented with appendicitis-like symptoms to the
emergency room with fever and leukocytosis. Appendectomy was performed
with pathological evaluation revealing coexisting appendiceal
diverticula and carcinoid of the appendix with lymphovascular invasion
and mesoappendiceal involvement. In line with the National Comprehensive
Cancer Network guidelines, right hemicolectomy with lymph node
dissection was performed which was negative for neoplastic invasion but
positive for colonic diverticulosis. While there have been many case
reports of appendiceal diverticula with coexisting appendiceal
carcinoid, a concurrent colonic diverticulum in the right hemicolectomy
specimen during the oncologic resection of the appendiceal carcinoid has
not been previously reported. We propose colonic diverticula as another
possible feature that may be associated with appendiceal diverticula
especially with an underlying appendiceal neoplasm.
A rare case of huge mature ovarian cystic teratoma: A case report
Authors: Torabi Hossein , Shirini Kasra , Ashoorian Yalda , Ghaffari Rona
Published: June 2022

Mature ovarian Cystic teratoma or dermoid cyst is one of the most common
benign ovarian neoplasms that can be found in different age groups and
in various sizes. It is important to diagnose and treat this problem as
soon as possible because of its complications especially malignancy
transformation.
COVID-19, the omicron variant and its association with croup in Pediatrics; a single center study in Hong Kong
Authors: Michelle Lam Chung Yan , Lam David Shu-yan
Published: June 2022

Background: The 5th wave of the COVID-19 pandemic in Hong Kong
was dominated by the omicron variant, which may have more upper airway
involvement affecting children. This pilot study aims at analyzing any
associations between the COVID-19-omicron-variant and croup in children.
Methods: This retrospective study reviewed electronic medical
records of patients admitted to Tuen Mun Hospital of Hong Kong from 1
January 2018 to 31 March 2022 with diagnostic code of croup (ICD-10 code
J05.0). Patients were categorized into non-COVID period (1 January 2018
- 31 December 2019); COVID-pre-omicron period (1 January 2020 - 31
December 2021) and COVID-omicron period (1 January 2022- 31 March 2022).
Disease associations and severity were compared through incidence rates,
Westley Croup Severity Score, length of hospital stay, medications use,
respiratory support and intensive care unit admissions.
Results: The rate of infection of COVID-19 in croup patients
admitted during COVID-omicron period (90%) was significantly higher
than those in the COVID-pre-omicron period (3.6%, p< 0.001).
They also had a higher Westley Score (moderate + severe disease:
COVID-omicron: 56.7%; COVID-pre-omicron: 22.4%; p=0.004; non-COVID:
24.8%, p< 0.001), longer hospital stay (median: COVID-omicron
3.00 days ; COVID-pre-omicron:2.00 days, p<0.001, non-COVID:
2.00 days, p=0.034) , and higher dexamethasone requirements (mean :
COVID-omicron = 0.78mg/kg; COVID-pre-omicron= 0.49mg/kg, p <
0.001; non-COVID =0.58mg/kg , p=0.001) while compared to those of the
COVID-pre-omicron period and non-COVID period. Conclusion: The
omicron variant of COVID-19 is a significant contributing factor to
croup and can lead to more severe disease in children of Hong Kong.
Dabigatran for intracardiac thrombus, yet another promising role of a direct oral anticoagulant: a case report and short review of literature
Authors:   Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India, Kumar Piyush , Rao M Sudhakar ,   Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India, Lalani Kanhai ,   Department of Cardiology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India
Published: June 2022

A left ventricular (LV) thrombus is a relatively common and well-known condition associated with significant LV systolic dysfunction. However, LV thrombosis is unusual in the absence of kinetic abnormalities. The elderly gentleman presented with subacute onset of bilateral lower limb discomfort and cold extremities, but no gangrene. With normal LV function, an echocardiogram revealed a massive movable LV apical clot. He was treated with dual antiplatelets and heparin at first. He switched to dabigatran 110 mg twice a day in combination with dual antiplatelets. The thrombus had entirely vanished and leg problems had improved after a 2-week follow-up. For the next six months, he was treated with aspirin and dabigatran and was asymptomatic at follow-up. There are no specific guidelines for treating an intracardiac thrombus. Experts agree that a hypermobile and pedunculated LV thrombus with a high embolic risk should be surgically removed as soon as possible. According to ESC/ACC guidelines, all patients with LV thrombus associated with myocardial infarction should be treated with anticoagulation. Warfarin requires regular International Normalized Ratio (INR) monitoring and has a small therapeutic window; hence a direct oral anticoagulant (DOAC) could be a viable therapeutic solution. However, there are no guideline recommendations to date to guide DOAC therapy for this indication.
Covid-19 Pandemic Infection Detection in a Confined Space Using An Agent- Based Model
Authors:   Lagos State Polytechnic Ikorodu, Lagos State1, Sarumi,  (PhD) Jerry Abayomi ,   Augustine University Ilara-Epe, Lagos State2., Ogunjimi L.O.A
Published: June 2022

As the world observes a new pandemic with COVID-19, it is clear that pathogens can spread rapidly and without recognition of borders. Outbreaks will continue to occur, and so the diseases’ transmission method must be thoroughly understood in order to minimize their impact. Some infections, such as influenza, tuberculosis and measles, known to spread through droplets in the air. In a confined space, the concentration can grow as more droplets released. This study examined a simulated confined space modelled as a hospital waiting area, where people who could have underlying conditions congregate and mix with potentially infectious individuals. It further investigated the impact of the volume of the waiting area, the number of people in the room, the placement of them as well as their weight. The simulation is an agent-based model (ABM), a computational model with the purpose of analyzing a system through the actions and cumulative consequences of autonomous agents. The presented ABM features embodied agents with differing body weights that can move, breathe and cough in a ventilated room. An investigation into current epidemiological models lead to the hypothesis that one may implement as a corresponding ABM, where it could possibly, also be improved upon. In this paper, it has shown that, all parameters of the Gammaitoni and Nucci model, been taken into account, in an ABM via the MASON library. In addition, proof produced, suggested that some flaws of the epidemiological model, should be amended in the ABM. It was demonstrated, the constructed model, account for proximity between susceptible people and infectors, an expressed limitation of the original model. KEYWORDS: transmission method, confined space, agent-based model, epidemiological models, Pandemic
FRAMING THE ATTACKER IN ORGANIZED CYBERCRIME
Authors:   Lagos State University of Science & Technology Ikorodu, Lagos State1, Lagos State University of Science & Technology Ikorodu, Lagos State2., Sarumi,  (PhD) Jerry Abayomi , Abdul-Raheem Ibraheem
Published: June 2022

When large values are at stake, the attacker and the attacker’s motives cannot be easily modeled, since both the organization at stake and the possible attackers are unique and have complex motives. Hence, rather than using stereotypical attacker models, recent work proposes realistic profiling of the opponent by the use of user-centered design principles in form of the persona methodology. Today, cybercrime is often organized, i.e., attacks are planned and executed by an organization that has put together a tailor- made team consisting of the necessary skills for the task. The actual individuals taking part in the attack might not be aware of or interested in the overall organizational motives. Rather, taking motives behind espionage, fraud, etc., into account requires consideration of the attacking organization rather than the individuals. In this paper, based on interviews with IT security experts, we build on the attacker persona methodology and extend it with methodology to also handle organizational motives in order to tackle organized cybercrime. The resulting framework presented in the paper extends the attacker persona methodology by also using narratives in order to assess the own organization’s security. These narratives give rise to intrigue sketches involving any number of attacker personas, which hence, make it possible to take organized cybercrime into account. Keywords: organization, attacker models, espionage, fraud, cybercrime, security experts, framework, persona methodology.
Da verdade inconveniente à suficiente: cosmopolíticas do Antropoceno
Authors: Costa Alyne
Published: June 2022

O Antropoceno – a nova época geológica em que os processos ecológicos do planeta vêm sendo gravemente impactados pelas atividades industriais – nos coloca numa contradição à primeira vista insolúvel no que diz respeito à relação entre verdade, ciência e política. Por um lado, há a premente necessidade de reconhecer como legítimas as “verdades dos outros”, isto é, as diversas maneiras por meio das quais povos não ocidentais expressam seu pertencimento ao mundo, incluindo seus modos próprios, não “científicos”, de perceber a atual dessincronização dos ciclos da Terra. Por outro, não devemos aceitar a verdade que certos outros reivindicam: refiro-me aos negacionistas climáticos, os quais, a despeito das evidências do caráter antropogênico das mudanças climáticas, negam veementemente o problema, confundindo a opinião pública e obstruindo a ação política que ajudaria a frear seus efeitos. Assim, o que fazer dessa aparente incoerência que nos faz, por um lado, afirmar a “verdade do relativo” e, por outro, recusar relativizações da “verdade inconveniente” das mudanças climáticas? É possível estabelecer uma concepção de verdade que permita conciliar esses dois imperativos cosmopolíticos cruciais de nossa época? O presente artigo busca inspiração no pragmatismo de William James para propor um relativismo consequente capaz de abrir espaço ao que proponho chamar de “verdade suficiente”.
Acompanhamento da doença renal crônica na atenção primária à saúde
Authors: Pedroso Igor Queiroz , Guerra Enio Marcio Maia , Amorim Pedro Henrique Araujo de
Published: June 2022

Objetivo: Avaliar a situação da atenção médica aos portadores de doença renal crônica (DRC) e detectar as possíveis barreiras existentes para esse cuidado na atenção primária à saúde (APS). Método: Pesquisa qualitativa com questionário estruturado, aplicado a médicos da APS, abrangendo aspectos demográficos e ligados à prática do atendimento a pacientes com DRC, em dois municípios do estado de São Paulo. Os dados obtidos foram cotejados em entrevista com nefrologista da atenção secundária. Resultados: Foram obtidas 42 respostas individuais, provenientes de 28 Unidades Básicas de Saúde (UBSs). Os respondedores são predominantemente graduados no Brasil, do gênero masculino, com idade entre 26 e 64 anos e brancos. Atuam na APS há 9,8 anos, atendendo semanalmente menos que 10 pacientes com DRC. Respostas positivas dos profissionais referem-se a diagnóstico, educação e segurança em evitar agentes nefrotóxicos. Relatam dispor de ferramentas próprias para evitar a nefrotoxicidade e conduzir o tratamento da hipertensão arterial, mas a maioria (66,7%) não segue nenhuma diretriz para manejo da DRC. A APS não disponibiliza recursos educativos para acompanhamento de pacientes com DRC. Os principais elementos obtidos na atenção nefrológica secundária assinalam as seguintes discordâncias: referenciamento precoce, sobrecarga de agenda, prejuízo na contrarreferência e ausência de protocolos municipais. Conclusão: Para manejo dos pacientes com DRC, os profissionais da APS utilizam frequentemente recursos próprios e demonstram insegurança em aspectos específicos da doença. A APS não dispõe de ferramentas para capacitação dos profissionais e estabelecimento de protocolos locais. O matriciamento parece ser a estratégia da capacitação mais apropriada para essa situação.
EFFECTS OF PROBLEM-BASED INSTRUCTIONAL STRATEGY ON SENIOR SCHOOL STUDENTS’ PERFORMANCE IN CIRCLE THEOREMS
Authors: Ameen Khadijat Saka , Salawu Semiu Ayina , Ajibade Ezekiel Abiodun , Nasrudeen Malik Ayinde
Published: June 2022

This study was conducted with the aim of determining the effects of Problem-Based Instructional Strategy (PBIS) on students’ performance in circle theorems in Mathematics. The study is a quasi-experimental type of non-randomized, nonequivalent pre-test and post-test control group involving a 2 x 2 x 3 factorial design, indicating instructional strategies at two levels (Problem-Based Instructional Strategy and conventional method), gender at two levels (male and female) and scoring level at three levels (high, moderate and low level). The target population was all Senior Secondary School students in Ogbomoso, Nigeria. A total of 244 students participated in the study. The research instrument used is Circle Theorems Performance Test (CIRTPT). t-test statistics and ANCOVA were employed to analyze the data. The findings of the study revealed that: there was a significant difference in the performance of students taught circle theorems using PBIS and those taught with conventional method (t(242)=2.87; p<0.05); there was no significant difference in the performance of male and female students taught circle theorems using PBIS (t(110)=0.52; p>0.05); and there was no significant difference in the performance of students on the basis of score levels when taught circle theorems using PBIS (F(2,108)=2.31; p> .05).
EFEKTIVITAS PENERAPAN STRATEGI METAKOGNITIF DITINJAU DARI KEMAMPUAN BERPIKIR REFLEKTIF
Authors: Gunowibowo Pentatito , Noer Sri Hastuti , Setiawati Santy , Agnesa Tia
Published: June 2022

This study aims to determine the effectiveness of metacognitive strategies in improving students' reflective thinking skills. The research design was the one-group pretest-posttest design. The population of this research was students of class VIII SMPN in Bandar Lampung. The subjects of this study were 28 students of class VIII.9 at SMPN 2 Bandar Lampung as an experimental class. The instrument was a test of students' reflective thinking skills. The results showed that the proportion of students who had good mathematical reflective thinking skills in the class that followed the metacognitive strategy learning was more than 60% of the total number of students. Metacognitive strategies are effective in terms of the mathematical reflective thinking skills of class VIII students of SMPN 2 Bandar Lampung.
DESKRIPSI KEBUTUHAN PEMBELAJARAN DARING MENGGUNAKAN PLATFORM GATHER TOWN UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA SISWA
Authors: Suherlan Nur Khodijah , Khuzaini Nanang , Marhaeni Nafida Hetty
Published: June 2022

The purpose of this study was to describe the need for online learning using theplatform Gather Town to improve student mathematics learning outcomes. The type of research used is descriptive qualitative. The population in this study was class VIII SMP Negeri 3 Cisauk, while the sample was taken by purposive sampling technique, namely class VIII.4 and VIII.5 as many as 88 students. Data collection techniques in this study used interview techniques, questionnaires, and the results of the Semester Results Assessment (PAS). First, all students' mathematics learning outcomes are still above the KKM, but 43% of students fall into the category of low student learning outcomes. Second, the learning media used did not stimulate students to play an active role in learning mathematics. Third, 83% of students are interested in online learning using the gather town platform. This study concluded that online learning media using the gather town platform needs to be applied to improve students' mathematics learning outcomes.
Analisis Dampak Penerapan Sistem Proteksi Plugging pada Chute Conveyor Berbasis PLC di PLTU Tenayan
Authors: Wahyuni Retno Tri , Zulkifli Zulkifli
Published: June 2022

Sistem coal handling memegang peranan sebagai sistem yang mensuplai batu bara untuk PLTU Tenayan dengan SLA (Service Level Agreement) 40 jam waktu bongkar tiap shipment. Permasalahan yang sering terjadi pada saat pembongkaran batu bara adalah tumpahnya batu bara di jalur bongkar karena penumpukan dan batu bara dengan dimensi besar mengganggu performa peralatan lain. Untuk meningkatkan keamanan dan efisiensi operasi dalam sistem coal handling akan dilengkapi dengan sistem proteksi plugging, yang akan dipasang di chute conveyor. Sistem ini bekerja berdasarkan prinsip kemampatan dimensi, dengan menggunakan feedback dari sensor limit switch yang mengirimkan sinyal ke PLC sebagai controller yang kemudian akan menonaktifkan motor conveyor. Sebelum proteksi ini digunakan waktu bongkar defisit -21% dari target maksimal 40 jam, dan setelah proteksi ini digunakan rata-rata waktu bongkar 4 bulan terakhir adalah 95%, surplus 5% dari waktu 40 jam. Dari data pemeliharaan terukur sebelum proteksi plugging digunakan persentase pemeliharaan CM = 56% dan setelah proteksi plugging digunakan persentase pemeliharaan CM = 44%, terukur penurunan pemeliharaan CM adalah 12%.
Optimal Bandwidth for Geographically Weighted Regression to Model the Spatial Dependency of Land Prices in Manado, North Sulawesi Province, Indonesia
Authors: Weku Winsy , Pramoedyo Henny , Widodo Agus , Fitriani Rahma
Published: June 2022

Bandwidth plays a crucial role in the Geographically Weighted Regression modelas it affects the model’s ability to describe spatial dependencies. If the bandwidth is too large, the model will be similar to a normal regression model. Conversely, if it is too small, the model will be too rough. Bandwidth can be selected in several ways, e.g. manually determined by experts or using Akaike Information Criteria, Cross-Validation, and Lagrange Multiplier methods. This study offers an alternative approach to choosing bandwidth based on the covariance function representing a linear combination between the Bessel and Gaussian-Type functions. We applied this function to analyze the land price in Manado with four infrastructure accessibility variables, such as accessibility to government offices, education facilities, shopping centers, and healthcare facilities. Therefore, the proposed method is different from the index methods (AIC and CV) which have been used by other researchers. The results showed that the non-parametric covariance function provides a smaller bandwidth than conventional methods, specifically Akaike Information Criteria and Cross-Validation. In addition, the value of R2(adjusted) given by the covariance function is greater than the one given by the proportional method. This means that the optimal bandwidth obtained using the covariance function is more suitable to explain the land price in the city of Manado.
The Role of Late Holocene Landscape Evolution in Affecting Settlement Distribution in Borobudur Basin, Central Java, Indonesia
Authors: Ashari Arif
Published: June 2022

Human life has never been separated from the interaction with the surrounding physical environment, especially landscape conditions. In this paper, the role of landscape evolution in influencing the distribution of settlements in the Borobudur Basin, is investigated. The data were collected through observations, remote sensing, documentations, and literature studies. The data were analysed using analytical-descriptive analysis and spatial analysis supported by geographic information system (GIS) analysis. GIS analysis employing average nearest neighbour and buffer analysis. The results of this study indicate that the landscape evolution affects the distribution of settlements as a form of community adaptation to physical environmental conditions in the Borobudur Basin. The distribution of settlements can be traced from the time of Hindu-Buddhism based on the existence of past relics in the form of temples. At present time, the settlements are scattered as hamlets which are grouped in several villages in the Borobudur Basin. Based on the existence of 20 temples located next to the ancient river valleys, the distribution of past settlements mainly follows the pattern of river valleys. The pattern of past settlements is random, correlates with the paleochannel distribution pattern which is also random. This is possibly due to the reason of obtaining resources and a factor of belief (faith or reliance). The pattern of the current settlement distribution is spreading and is more evenly distributed in the Borobudur Basin. The settlements develop to a wider area outside the paleochannel, not only limited to the paleochannel. Instead of far more numerous population, this distribution pattern is also caused by landscape changes that enable them to build settlements more widely. In summary, this study provides new insight into evidence of the influence of landscape evolution due to geomorphic processes on the distribution of settlements. Traditional intelligence encourages humans to choose the best location for settlement.
Implementasi Permainan Edukasi Ular Tangga Dalam Mengembangkan Kemampuan Kognitif Anak Usia 5-6 Tahun
Authors: Kurniawaty Ria
Published: June 2022

Basically the study is on the background of the symptoms of children being less active, learning out, maximum deficiencies in planning and game selection in child cognitive development by teachers. Hence, the study aims (1) to know the implementation of a game of snakes in developing a child's cognitive capability (2) to know a child's cognitive development (3) to know factors that affect a child's cognitive development. The study USES a descretive qualitative approach by using methods of observation, interview and documentary collections. The stage of data analysis techniques includes data reduction, data presentation and data verification. Studies have shown that: (1) implementation of a ladder game in developing a five-year-old's cognitive abilities includes: collom and RPPH contained in the event a ladder viper instrument for developing a child's cognitive. (2) then well-controlled cognitive development is as follows: name the family members, explain their surroundings, name the direction of frequent visits, follow the rules, know things around, know large amounts and are able to sequence in Numbers, shapes and sizes. (3) factors that influence a child's cognitive development include internal factors (physiological aspects) and external factors (parental upbringing and education).