Communications and Networks


    Objective: To verify in te literature what the articles refer to about teleodontology in Covid-19 times. Methods: This is a bibliographic study, critical Reading of a scientific article, like a narrative review carried out through research of scientific articles in the SCIELO, PUBMED and LILACS databases, based on the keywords: Covid-19; Dentistry; Teleodontology. Results: Teleodontology was approved in Brazil, by the Federal Council of Dentistry, in resolution CFO-226, of June 4, 2020, which regulates the practice of distance dentistry (CFO, 2020), however teleconsultations are prohibited (virtual diagnosis) and teleprescriptions. The literature is unanimous in recognizing that the new social, educational and assistance reality favors the use of teleodontology as a complemente to traditional teaching methods and resource capable of assistin patient care, contributing to the improvement and controlo f oral health, care integral and humanized mediated by technology. However, in Brazil, technology is still not available to everyone, which may result in limiting learning, assistance and aggravating existing social inequality. Conclusion: Teleodontology proved to be a valuable technological tool and can be excelente, allowing interaction and integration, in the teaching/learning process, as well as in teleassistance, provided that all actors have access to the internet and know how to use it.


    Objective: To demonstrate the importance of Fact-Checking tools in combating health fake news in the COVID-19 pandemic. Methods: Quantitative descriptive study, conducted during the Sars-Cov-2 pandemic. Fake news were accounted and identified through the website, registered in the Agência Lupo and Aos Fatos checking platforms, belonging to the International Fact-Checking Network, an international understanding with recognized news verification methodologies. The registered news originated from the social media/networks Facebook, Whatsapp, Instagram, Twitter, and websites. They were later classified according to content in Conspiracy Theory, Prevention/Treatment/Cure, Authorities/Agency Measures, Situation of a city, state and country, Causes, Symptoms, Public Figure and False Context. Results: 529 fake news about coronavirus were obtained, of these 306 were from the Agência Lupo platform, and 223 from the Aos Fatos platform. A total of 99 (18.72%) fake news were about Conspiracy Theory 99 (18.72%) Authorities/Agency Measures and 98 (18.53%) False Context. As for the origin of fake news 382 (72.21%) were from Facebook and 67 (12.66%) from Whatsapp. Conclusion: The Fact-Checking tools in combating misinformation on social networks are important because they deny false news, unlikely allegations, and no justification related to the Covid-19 pandemic. These check sites alert social networks, policymakers, and the public to create measures that educate and protect the integrity and health of individuals and prevent them from falling victim to misinformation.

  • Traffic Evaluation Model of the Opening Road in Residential area based on VISSIM simulation

    With the increasing urban road traffic pressure in closed residential areas, the problem of road patency in residential areas has become a hot topic. This paper established a traffic evaluation Model of the opening community based on VISSIM simulation. We constructed different types of residential areas, and compared the impact on traffic after opening different kinds of areas. With the analytic hierarchy process, we selected ten important indicators from three aspects. Then, the parameters of the road structure were put in the VISSIM simulation, and quantitatively analyze the impact of various types of residential areas opening. The results showed that changing the traffic rules at the intersection of the community has the greatest improvement in traffic capacity, reaching 89%. The influence of increasing the internal road and changing the external road structure of the city is more visible, reaching about 60%. The overall opening-up policy should be suitable for different localities.

  • A Comparative Analysis of Four Path Optimization Algorithms

    Path / route optimization for promptly moving equipment and personnel from base to disaster location has remained a nagging challenges for effective emergency response particularly within the context of developing countries. Bad road networks, poor and outdated navigation systems, faulty transportation vehicles, and traffic congestion remain among the top challenges militating against effective emergency response, and this has resulted in mounting statistics of losses for lives and properties within such jurisdictions. The pressing question has been: how can emergency response itinerary be planned and scheduled most optimally and reliably in the face of these challenges? This research paper compares four of the more popular path / route optimization algorithms (the Ant Colony Optimization Algorithm, Dijkstra’s Algorithm, Bellman Ford’s Algorithm, and Suurballe’s Algorithm), in order to determine the trade-offs and advantages that they present with respect to each other, and propose actionable recommendations for implementation. The findings of this research would prove useful for emergency response planning, particularly within the context of developing countries where these challenges are commonplace.

  • Enhanced Churn Prediction in the Telecommunication Industry

    Prediction models are usually built by applying a supervised learning algorithm to historical data. This involves the use of data analytics system that uses real-time integration and dynamic real time responses data to detect churn risks. Subscribe are increasingly terminating their membership agreement with telecommunication companies through mobile number portability (MNP) in order to subscribe to another competitor companies. To model the Customer prediction, a Markov Chain Model will be used. The Markov model allows for more flexibility than most other potential models, and can incorporate variables such as non-constant retention rate, which is not possible in the simpler models. The model allows looking at individual customer relationships as well as averages, and its probabilistic nature makes the uncertainty apprehensible. The Markov Decision Process is also appealing, but since dynamic decisions along the lifetime of the customer will not be evaluated the Markov Chain is the simplest model that still meets the requirements. Each state in the Markov Chain will represent a person being a customer for one month, with an infinite number of states. The transition probability to move from one state to the next is equivalent to a customer retaining with the operator to the next month. A customer that has churned will be considered lost forever. Once the retention and churn rates are determined, the reference churn value for each customer will be computed. The churn rate will be calculated using MATLAB Monte Carlo simulations, running a large number of fictitious customer-company relationship processes, and extracting the results of the average customer. Using simulation approach gives better result than analytical methods, since an indefinite number of states make matrix algebra complicated. It also allows visualizing the distribution of the results more easily than with algebraic calculation easily than with algebraic calculation. To the telecom companies the result…

  • Independent operation Advantage integration Complementary development—An analysis of the relationship between newspapers and websites

    The rise of online media has left paper media, especially newspapers, in a very awkward position and there is still a debate on the relationship between newspapers and websites, many people in the industry called the two a relationship of “newspapers and the Internet is father and son”, which is a false understanding. This paper holds that in the case of newspapers and networks belonging to the same newspaper office, the two should operate independently, integrate their respective advantages, complement each other, inter-develope, so as to implement a win-win situation for newspapers and websites.

  • The Role of Community on Forest Management in Ethiopia: The case of Yotyet/Yewezera Community Forest

    This independent study assessed how forest management is a matter of local community governance and management by showing best cultural management practices in Ethiopia with special reference to Yotyet/Yewezera Community forest which is located in Eza Wereda, Gurage Zone, Ethiopia. Forests are essential for human survival and well-being. They harbor two thirds of all terrestrial animal and plant species. They provide us with food, oxygen, shelter, recreation, and spiritual sustenance, and they are the source for over 5,000 commercially-traded products, ranging from pharmaceuticals to timber and clothing. Due to lack of evidence in Ethiopia and more broadly in Africa, Community Based Forest Management approaches have been underestimated. The study area, Yotyet/Yewezera natural forest has four adjacent villages with 3421 population number. These four villages were purposefully selected. In-depth semi-structured interviews, focus group discussions (FGDs), direct field observations and questionnaires were the main sources of the primary data in this research. In all the four villages eight community elders whose age are above 70 years were selected purposefully. After giving enough awareness about the research objective and they were interviewed separately and finally they involved in to Focus Group Discussion. Qualitative historical analysis is employed to understand and interpret the forest governance and management. Three time periods were considered. The forests’ protection status was assessed during the feudal period (before 1974), during the Derg regime (1974–1991) and after 1991. The three time periods were characterized by major changes that affected the management role of the local community. From the beginning the forest was protected/governed/managed by representatives of the surrounding community which were known as local chiefs. These local chiefs were well respected by the community and their order towards forest management issue had been accepted and practiced accordingly. Apart from local chiefs there was also one strong traditional belief that was…

  • Role of Women in Tulama Oromo Gada System: The Case of Ilu, South-West Shewa Zone, Oromia Regional State

    This study deals with the role of women in Gada system in Tulama Oromo of Ilu. Gada is an indigenous institution that incorporates political, social and economic issues of the Oromo. In this institution, Women have their own role and status in the political, social and economic affairs of the Oromo society. The objective of this study is to examine the role of women among Tulama Oromo of Ilu Gada system. To achieve this objective, both primary and secondary data was used. Accordingly, interview, focus group discussion and participant observation were employed to collect data. For this purpose, informants were selected from Abba Gada (father of Gada), Luba, Jaartii Cifree (wife of Yuba (retired Gada elder)), Haadha Siiqqee (wife of Abba Gada, Luba), community elders and culture and tourism office from government officials. These informants were participated in interview, focus group discussion. In such way, 36 informants were directly involved in the study. In anthropological studies, analysis is an instrument to extract meanings and interpretation from the data obtained during fieldwork. In such manner, data were presented in a qualitative type. The findings of the study show that women have tremendous role in gada system. In this case, no event or no ceremonies take place without the full participation of women. Women were basically represented and/or play a significant role through different institutions such as Siiqqee and other ritual ceremonies and institutions working as check and balances for protecting women’s right in general. Hence, without participation of women, the Oromoo socio-political practices could be meaningless. That is to say, any social, political and economic practice irrespective of women may not be fruitful. Based on the research findings, some recommendations were forwarded that strengthen understanding of Gada system.

  • Perspective Of Integrated Transport Systems For Sustainable Development In An Emerging Economy

    Transport system plays a vital role in the economic growth and social wellbeing of any nation. In spite of its investment, Nigerian transport system has not always shown competent for accomplishing sustainable development. This paper examined the correlate of integrated transport and sustainable development. This paper adopts both primary data and secondary data using questionnaires and statistical bulletin as instruments. Both Descriptive and Inferential statistics were used to analyse the collected data. The result showed strong correlation between integrated transport system and sustainable development. It was concluded that integrated transport system is a veritable tool for sustainable development in any developing nation. Integrated transport also boosts the GDP of any developing nation like Nigeria by harnessing the various modes of transport. Revenue earned from transport sector should also be used to finance the sector in order to boost the GDP of the sector and also enhance productivity and sustainability of the sector.

  • The influence of the media in the construction of food habits in children

    Introduction: Since the media is one of the main instruments of communication today, having a strong capacity to influence the construction of eating habits, especially in the children’s audience, we find pertinence in the association of these factors associated to the family nucleus. With regard to the family context, it is seen that children become more vulnerable to this technology because they spend a large part of their day surrounded by various instruments that, in most cases, allow negative access when it comes to conceptions food products, which is a consequence of the constant association of food advertisements with low nutritional content. With regard to the family context, it is seen that children become more vulnerable to this technology because they spend a large part of their day surrounded by various instruments that, in most cases, allow negative access when it comes to unhealthy conceptions food products, which is a consequence of the constant association of food advertisements with low nutritional content. Objective: Therefore, this work aims to correlate the influence of the media in the construction of eating habits in children. Methodology: This is a review study of the literature, with papers in Portuguese, researched in the period from 2011 to 2017 referenced in the Google Scholar database, having the following expressions as descriptors: Influence of Media and Eating Habits. Results and Discussion: We noticed that most publications we found claims that the media has a strong relationship in the construction of children’s eating habits since they are more susceptible to influence and manipulation, because they do not have a critical sense formed yet. Another relevant aspect is the interference of food in the family nucleus, which generates resistance to the adhesion of new healthy eating habits. Thus, we consider the importance of discussions involving media power in the…