Network Of Connections Research Articles

Discursive Communities, Protest, Xenophobia, and Looting in South Africa: A Social Network Analysis

The article informs on a study that employed a digital ethnographic approach to analyse a network of human relationships and connections based on the physical and social phenomena of political protest and xenophobia, accompanied by looting and the destruction of property in South Africa. It examines how social media have been used to fuel violence, protest, xenophobic attacks, and the looting of shops, and for ordinary citizens to post videos or images of protest actions on the internet. This article uses the tenets of propaganda (the propaganda model) as a social media theory to analyse online activism in various forms, such as journalism and political protest for citizen mobilisation and participation. The article finds that participation in groups (reflected by hashtags) is determined by shared interests or grievances (mob psychology) and shaped by propaganda. It concludes that social media are tools or platforms that can be used for good or bad, echoing realities on the ground, such as poverty and social inequalities, as causes of political protest, xenophobia, and looting in South Africa. Political players and activists drive their own agendas by exploiting or emphasising the causes of poverty and social inequalities, thereby attracting followers who reaffirm their messages by tweeting and retweeting. The article concludes that social media are weaponised for protest, causing panic, anxiety, and discomfort that linger for an unspecified period until another outbreak.

Аналіз кластерної структури Інтернет-мереж на основі випадкових матриць

Основна увага надається оцінці оптимальної кількості кластерів для системи, що задається матрицею суміжності A з N вузлами при N→∞ . Розглянуто асимптотичний розподіл власних значень стохастичної випадкової матриці без умов незалежності елементів, спектр якої можна розкласти на регулярну частину та викиди. На основі припущень про однотипність зв’язків у кластері зроблено висновок про оптимальну кількість кластерів для різних прикладних задач. Проведено моделювання мережі зв’язків, що розподілені за законом Пуассона, та знайдено оптимальну кількість кластерів. Результати моделювання вказують на високу точність визначення оптимальної кількості кластерів. У основній теоремі важливим є припущення про існування моменту вище другого для кожного елементу матриці A. Проте, з урахуванням нормалізації, цю умову можна послабити до існування математичного сподівання матриці. Дане послаблення умов збіжності дає можливість використання доведеного твердження на ширший клас прикладних задач, де наявність скінченної дисперсії не вимагається. Зазначимо, що викиди є дійсними власними значеннями для нормалізованої матриці, що дозволяє швидко локалізувати викиди зі складністю O(N), де N — кількість вузлів системи. Отже, вдалося послабити два важливі припущення щодо розподілу елементів випадкової матриці, а саме припущення про рівність нулю математичних сподівань елементів матриці та про незалежність елементів матриці. Крім того, незалежність елементів можна замінити слабкою незалежністю, яка зберігає збіжність до середнього значення в законі великих чисел.

Multi-objective Decision Making Model for Stock Price Prediction Using Multi-source Heterogeneous Data Fusion

Stock exchanges are developed as an essential component of economies, as they can promote financial and capital gain. The stock market is network of economic connections where share is bought and sold. Stock Market Prediction (SMP) is quite useful to investors. An effective forecast of stock prices is offer shareholders with suitable help in making appropriate decisions regarding if sell or purchase shares. The employ of Machine Learning (ML) and Sentiment Analysis (SA) on data in microblogging sites are developed as a famous approach to SMP. However, the heterogenous data fusion in stock market field is a big challenge. This paper introduces an effective Cat Swarm Optimization with Machine Learning Enabled Microblogging Sentiment Analysis for Stock Price Prediction technique. The presented model investigates the social media sentiments to foresee SPP. Firstly, the proposed model executes data pre-processing and Glove word embedding approach. Next, the weighted extreme learning machine approach was utilized for the classification of sentiments for SPP. Lastly, the CSO system was exploited for optimal adjustment of the parameters related to the WELM model. The experimental validation of the proposed approach was executed using microblogging data. The results show that the proposed method outperforms the previous studies.

Black Roma: Afro-Romani Connections in Early Modern Drama (and Beyond)

This essay brings to light a hitherto unnoticed network of Afro-Romani connections in later seventeenth-century French and English drama, and it construes that network as conceptual and ethical genealogy for the bonds that exist today between Black studies and the fledgling field of critical Romani studies. By close reading Molière's “Les fourberies de Scapin” (1671) and its 1677 adaptation by Edward Ravenscroft, among other objects, through the lens of critical race theory, this essay shows how theatrical culture across the Channel reckoned with the similar positionings of enslaved Roma and sub-Saharan Africans within the logic of early modern white supremacy.

Gdynia 1920–1939: Poland’s Gateway to the World

In 1923, construction of a new Polish seaport began in the small fishermen’s village of Gdynia. By 1926, the village transformed into a port town, and by 1939 it was the biggest and one of the most modern ports on the Baltic Sea, responsible for half of Poland’s foreign exchange. The construction, which was a great investment and considerable strain on the country’s modest resources, was accompanied by intensive enthusiastic propaganda. It was carried out by research institutions (e.g. Baltic Institute) organisations such as Maritime and Colonial League, journalists, writers etc., and it was expressed in exhibitions, public events such as “Holidays of the Sea,”literature, poetry, film and other media. Gdynia became a symbol of Poland’s transformation from nation of farmers to one of seafarers; of modernisation, civilizational development, and even overseas expansion and acquiring colonies. This was summarised with a metaphor of the port being Poland’s “window”or “gateway to the world,”thanks to which it could escape its historically problematic position between Germany and Russia/USSR, and –through a network of trade connections, seafaring, and colonies in Africa and South America –acquire a global presence. This article discusses the rhetoric and realities of Gdynia as the symbol of this ambition in interwar Poland, the contrast and similarities between the image of Gdynia created in contemporary propaganda and publications, and the reality of the actual city.

End-to-End Performance Assessment of a 3d Network for 6g Connectivity on Mars Surface

End-to-End Performance Assessment of a 3d Network for 6g Connectivity on Mars Surface

MiRNA:miRNA Interactions: A Novel Mode of miRNA Regulation and Its Effect On Disease.

MicroRNAs (miRNAs) are known for their role in the post-transcriptional regulation of messenger RNA (mRNA). However, recent evidence has shown that miRNAs are capable of regulating non-coding RNAs, including miRNAs, in what is known as miRNA:miRNA interactions. There are three main models for the interplay between miRNAs. These involve direct interaction between two miRNAs, either in their mature or primary form, the subsequent changes in miRNA expression due to miRNA-directed transcriptional changes, and the cell-wide impact on miRNA and mRNA levels as a result of miRNA manipulation. Networks of mRNA and miRNA regulatory connections are invaluable to the discovery of miRNA:miRNA pathways, but this cannot be applied without consideration of the specific cell type or condition.In this chapter, we discuss what is understood about miRNA:miRNA interactions, their mechanisms and consequences in disease biology, and suggest further avenues of investigation based on current gaps in the literature and in our understanding of miRNA biology. We also address the pitfalls in contemporary methods relating to the identification of miRNA:miRNA interactions. Future work in this area may ultimately change the definitional role of miRNAs, and have far-reaching impacts on therapeutic and diagnostic developments.

Healthcare in Metaverse: A Survey on Current Metaverse Applications in Healthcare

The COVID-19 pandemic has revealed several limitations of existing healthcare systems. Thus, there is a surge in healthcare innovation and new business models using computer-mediated virtual environments to provide an alternative healthcare system. Today, digital transformation is not limited to virtual communication alone but encompasses digitalizing the network of social connections in the healthcare industry using metaverse technology. The metaverse is a universal and immersive virtual world facilitated by virtual reality (VR) and augmented reality (AR). This paper presents the first effort to offer a comprehensive survey that examines the latest metaverse developments in the healthcare industry, which covers seven domains: telemedicine, clinical care, education, mental health, physical fitness, veterinary, and pharmaceuticals. We review metaverse applications and deeply discuss technical issues and available solutions in each domain that can help develop a self-sustaining, persistent, and future-proof solution for medical healthcare systems. Finally, we highlight the challenges that must be tackled before fully embracing the metaverse for the healthcare industry.

COURIER REPORT OF THE DIPLOMAT OF THE MONARCHY: JÁNOS CSISZÁRIK, 8-24 JULY 1924

In 2022, press reports on churches are increasingly frequent. The war that broke out on 24 February brought to the fore once again such previously less central topics as the churches, the role of Christians, and within this the Catholic-Orthodox relationship. Partly because of this fact, it is worth taking a look at how Vatican diplomacy was shaped during Trianon, what role the churches played in the political decisions that were taken. Our analysis is based on the diary of a former elected Catholic bishop who served as a church adviser in the Austro-Hungarian Empire's diplomacy . The diary was recently processed and published by Péter Bertalan, following detailed archival research , and thus entirely new information has been made available to the public on this topic. In the following, we will show how János Csiszárik tried to achieve political results through the network of church connections that remained from the Austro-Hungarian Monarchy . In the following, we will shed light on how networks shape the events of a given era, how much human ties, friendships and personal experiences matter. The analysis of Peter Bertalan's travel diary, published for the first time, has highlighted the importance of the network of relationships that provide insights into the difficult situation of Vatican diplomacy in the period under study..

Aeronautical Networks for In-Flight Connectivity: A Tutorial of the State-of-the-Art and Survey of Research Challenges

The aeronautical networks attract the attention of both industry and academia since Internet access during flights turns to the crucial demand from luxury with the evolving technology. This In-Flight Connectivity (IFC) necessity is currently dominated by the satellite connectivity and Air-to-Ground (A2G) network solutions. However, the high installation/equipment cost and latency of the satellite connectivity reduce its efficiency. The A2G networks are utilized through the 4G/5G ground stations deployed on terrestrial areas to solve these satellites’ problems. This terrestrial deployment reduces the coverage area of A2G networks, especially for remote flights over the ocean. The Aeronautical Ad-hoc Networks (AANETs) are designed to provide IFC while solving the primary defects of dominating solutions. The AANET is an entirely novel solution under the vehicular networks since it consists of aircraft with ultra-dynamic and unstructured characteristics. These characteristics separate it from the less dynamic Flying Ad-Hoc Networks (FANETs). Therefore, the environmental and mobility effects cause specific challenges for AANETs. This article presents a holistic review of these open AANET challenges by investigating them in data link, network, and transport layers. Before giving the details of these challenges, this article explores the state-of-the-art literature about satellite and A2G networks for IFC. We then give our specific interest to the AANET by investigating its particular characteristics and open research challenges. The main starting point of this study is that there is a lack of compact research on this exciting topic, although IFC is an inevitable need for the aeronautical industry. Also, the AANET could be underlined by giving all state-of-the-art about the dominating IFC solutions. Therefore, this is the first work exploring the state-of-the-art for all the existing aeronautical networking technologies under a single comprehensive survey by deeply analyzing specific characteristics and open research challenges of AANETs. Additionally, the AANET is a novel topic and should be separately investigated from the FANETs as given in current literature.

IMPACT OF TUNNELING ON NETWORK CAPACITY

For many companies, setting up a VPN for secure, encrypted communication is a cost-effective alternative to purchasing, operating, and managing a separate physical network. Many institutions, corporations, government agencies and nonprofit organizations want to have their own private IP network for secure and reliable connectivity between offices across multiple geographies. A virtual private network (VPN) is a secure, encrypted connection over a public public network. Creating a separate network requires the purchase of equipment, its installation and maintenance. A VPN-based solution using the public Internet is becoming a cost-effective solution for many corporations. As a research task, the authors define an assessment of the impact of the tunneling technology used to solve problems arising from the lack of network support from existing data transfer protocols. The possibility of using the IPSec protocol and MPLS technology to implement tunneling is considered and compared. The results of the comparison and evaluation of the impact of the choice of protocol on the required bandwidth are presented.

Studying the Role of P2X7 Receptor in Axonal Growth Using In Utero Electroporation Technique.

The nervous system is formed by a complex network of neuronal connections. During development, neurons elongate their axons through highly stereotyped anatomical pathways to form precise connections. Defects in these mechanisms are related with neurological disorders. Previous studies have reported that inhibition of the P2X7 receptor, an ionotropic purinergic receptor, promotes axonal growth and branching in cultured neurons. However, little is known about the in vivo mechanism of axonal elongation regulated by P2X7. Here, we detailed a step-by-step method to perform in utero cortical electroporation and quantified the electroporated axons employing accessible and open-source image processing software. This effective surgical procedure manipulates in vivo the gene expression in a discrete population of callosal projection neuron. Thus, a better understanding of the involvement of P2X7 in the in vivo establishment of neuronal circuits might help to clarify the basic biology of several neurodevelopmental disorders and axonal regenerative processes.

UPR’s Diplomacy at the Conclusion of the National Liberation Struggle: The 1921 Black Sea Union

The article offers an insight into the foreign policy of the Ukrainian People’s Republic at the final stage of the national liberation struggle. Author analyses the UPR’s course towards forging stable political and economic alliances with the peripheral states that have emerged on the post-imperial territory of russia. The most ambitious project of 1919–20 was the creation of the Baltic-Black Sea Union consisting of Latvia, Lithuania, Estonia, Poland, Finland, and Ukraine; however, the legal aspects of the organisation of the Black Sea Union became of primary importance in late November 1920. The certain aspirations for its formation were based on the intensification of anti-Bolshevik insurgent movements in the regions on the Don, Kuban, and Terek Rivers, in Dagestan and Chechnya, the existence of the Republic of Mountainous Armenia and the Democratic Republic of Georgia, which were independent from the kremlin. During the spring–autumn of 1921, the governments-in-exile of the Ukrainian People’s Republic, the Georgian Democratic Republic, the Azerbaijan Democratic Republic, and the Mountainous Republic of the Northern Caucasus completed the treaty and legal formalisation of the Black Sea Union. Yet, the project was not implemented de-facto: the then military and political situation in Central and Eastern Europe and the Caucasus was not favourable for the successful struggle for independence of the peripheral states of the former empire. In the late 20th century, Ukraine and the Transcaucasian countries restored their independence, thus creating new political realities in Europe. It became possible to implement effective projects of the Black Sea sub-regional associations, in particular the Black Sea Economic Cooperation Organisation and Organisation for Democracy and Economic Development (GUAM), aimed at the development of a network of transport connections and broad economic cooperation. Keywords: Black Sea Union, Ukrainian People’s Republic, Democratic Republic of Georgia, Democratic Republic of Azerbaijan, Republic of North Caucasus Mountaineers, peripheral states, government-in-exile.

Decolonising the film curriculum through South–North collaborative online international learning (COIL) initiatives

Collaborative online international learning (COIL), also known as ‘telecollaboration’ or ‘virtual exchange’ among other terms, has been employed as a strategy for internationalisation of the curriculum in various disciplines for several years, but the COVID-19 pandemic has provided renewed impetus. This article argues that it can offer an effective means to decolonise approaches to teaching film studies through South–North collaborations. In brief, COIL is a pedagogical approach that holds that ‘learning takes place through a distributed network of connections to other people and their resources, and formal and informal educational assets in the public domain’ (Reo and Russell, 2015: 64). In this article, we argue that a COIL approach with a South–North focus, partnering with a higher education institution in Latin America, would provide unique opportunities to decolonise the film curriculum, given the features of COIL. In 2020, two universities in Mexico, one in Brazil and one in Colombia founded the Latin American Network for COIL. To date, it comprises 135 institutional members, some of which have students from Indigenous backgrounds and are already actively engaged in decolonising the curriculum. Our article proposes ways to take this forward.

King of Armenia’s Journey from Cairo to Barcelona: Revisiting the Social Boundaries of the Mediterranean Region in the 14th Century

This article raises the problem of studying the functioning of the system of social relationships that existed in the west and east of the Mediterranean region in the second half of the fourteenth century. According to the author’s assumption, the network of connections formed by the period made it possible to move within the region over considerable distances, while remaining inside the space built according to the same logic of social interactions. The issue is studied with reference to the biography of Levon V, the ruler of Cilician Armenia from the House of Lusignan. The article refers to two historical narratives written around the events described: The Chronicle of Armenia by the confessor and secretary of the king Jean Dardel and The Chronicle of King Juan I by Pedro Lуpez de Ayala. The paper also considers the question of the limits of socialisation in the case of rapid movement from one region of the Mediterranean to another. It is studied with reference to Levon V’s acquisition of senior power over three Castilian cities based on data from both narrative and documentary sources. The author demonstrates that due to the general dense network of social relationships that developed in the region, it was possible to move a very considerable distance from the southeast to the west of the Mediterranean without significant material resources, while maintaining a high social position. This was reflected in the fact that at the level of ceremonial and public gestures, the logic of the functioning of the social system was equally clear in the West and in the East. However, only a small part of society had the possibility of such spatial movement without changing or losing position.

Mass Production of 3D Connective Graphene Networks by Fluidized Bed Chemical Vapor Deposition and Its Application in High Performance Lithium-Sulfur Battery

Three−dimensional (3D) graphene with novel nano−architectures exhibits many excellent properties and is promising for energy storage and conversion applications. Herein, a new strategy based on the fluidized bed chemical vapor deposition (FB−CVD) process was proposed to prepare 3D graphene networks (3DGNs) with various nano−architectures. Specially designed SiC−C@graphene core/shell nanoparticles were prepared taking the advantages of the FB−CVD system, and 3DGNs with hierarchical nanostructures were obtained after removing the SiC core. The 3DGNs performed well as electrodes of lithium–sulfur batteries. The C–S cathode showed good rate performance at the current density of 0.1–2.0 C, and an initial discharge capacity of 790 mAhg−1 cathode was achieved at a current density of 0.2 C. The Li−S batteries showed stabilized coulombic efficiency as high as 94% and excellent cyclic performance with an ultra low cyclic fading rate of 0.075% for the initial 280 cycles at a current density of 1.0 C. The improved electrochemical performance was ascribed to the enhanced conductivity by the connective graphene networks and the weakened shuttle effect by the special outer graphene layers. Mass production of the products was realized by the continuous FB−CVD process, which opens up new perspectives for large scale application of 3D graphene materials.

Sustainable Urban Transport—Why a Fast Investment in a Complete Cycling Network Is Most Profitable for a City

The development of safe cycling as a mode of transport is an important objective of the transformation towards sustainable mobility in European cities. A significant number of European cities are faced with the need to implement the assumptions of the European Green Deal, of which the promotion of sustainable urban transport is a part. The article presented a simulation of the Perfect Cycling City Model in real conditions that inspired the design of two scenarios for the fast development of bicycle routes in a key transport network area in Warsaw. Scenario 1 assumes building subsidiary bicycle routes and links between the main routes. In Scenario 2, the development of all optimal cycling links at the local level is assumed. An increase in cycling participation is expected in both scenarios. The comparison of projected costs of each scenario indicated that building a complete network of connections is more profitable in terms of increased cycling participation and could counter the dominance of private car use. For this to happen, measures encouraging individuals combined with improved safety and convenience of cycling around the city must be undertaken.

Connected audiences in digital media markets: The dynamics of university online video impact

This paper analyses whether the audience dynamics of one content provider can explain the audience dynamics of a different content provider, and the resulting network of connections among providers. The type of connections in this network determines whether the audience of one creator influences or is susceptible to other creators’ audience. Granger causality networks are applied to prestigious universities that provide online videos on YouTube and the structure of the Audience Dynamics Network is described. This network presents an unbalanced degree distribution and a core-periphery structure. The centrality of the universities in the network is discussed and universities with influential and susceptible roles are identified. We find that audience connection is determined by the differences in the online video impact between each pair of universities. Centrality in the network is associated with university prestige, but this relation is mediated by online video impact.

Industry 4.0 smart technologies in workplace safety logistics

Safety logistics in the age of digitization of industrial plants is complex because it embodies the technologies of Industry 4.0 by integrating people and machines and individual processes. New technologies allow them to manage machines and equipment based on communication and mutual data flow. This creates a network of connections between products, value chains and business models. The activities associated with the implementation of the Industry 4.0 concept include human interaction and occupational safety logistics in addition to technology. Digitalization creates new options for the organization of work areas and thus new opportunities for work safety logistics. Modern digitalization has an extremely positive impact on occupational safety and productivity. Intelligent work safety management requires the use of new Industry 4.0 technologies and solutions developed for the work environment area. The purpose of this paper is to present a systematic literature review covering the area of intelligent Industry 4.0 technologies in occupational safety logistics, including an indication of the importance of safety in the work environment, in the context of the continuous digital transformation of enterprises

Marin Getaldić – preteča novovjekovnog pristupa istraživanju prirode

Marin Getaldić – preteča novovjekovnog pristupa istraživanju prirode