Cooperation Network Analysis Research Articles

Research Trends and Hotspot Analysis of Conjunctival Bacteria Based on CiteSpace Software.

Objective To sort out the literature related to conjunctival bacteria and summarize research hotspots and trends of this field. Materials and Methods The relevant literature data from 1900 to 2019 was retrieved from the Web of Science Core Collection database. After manual selection, each document record includes title, author, keywords, abstract, year, organization, and citation. We imported the downloaded data into CiteSpace V (version 5.5R2) to draw the knowledge map and conduct cooperative network analysis, discipline and journal analysis, cluster analysis, and burst keyword analysis. Results After manual screening, there were 285 relevant papers published in the last 28 years (from 1991 to 2019), and the number is increasing year by year. The publications of conjunctival bacteria were dedicated by 1381 authors of 451 institutions in 56 countries/regions. The United States dominates this field (82 literatures), followed by Germany (23 literatures) and Japan (23 literatures). Overall, most cited papers were published with a focus on molecular biology, genetics, nursing, and toxicology. Most papers fall into the category of ophthalmology, veterinary sciences, and pharmacology and pharmacy. The only organized cluster is the “postantibiotic effect,” and the top 5 keywords with the strongest citation bursts include “postoperative endophthalmiti(s),” “infectious keratoconjunctiviti(s),” “conjunctiviti(s),” “resistance,” and “diversity”. Conclusion The global field of conjunctival bacteria has expanded in the last 28 years. The United States contributes most. However, there are little cooperation among authors and institutions. Overall, this bibliometric study organized one cluster, “postantibiotic effect”, and identified the top 5 hotspots in conjunctival bacteria research: “postoperative endophthalmiti(s),” “infectious keratoconjunctiviti(s),” “conjunctiviti(s),” “resistance,” and “diversity”. Thus, further research focuses on these topics that may be more helpful to prevent ocular infection and improve prophylaxis strategies to bring a benefit to patients in the near future.

A comparative study of international and Chinese public health emergency management from the perspective of knowledge domains mapping

BackgroundAt the end of 2019, the outbreak of coronavirus disease 2019 (COVID-19) severely damaged and endangered people’s lives. The public health emergency management system in China has played an essential role in handling the response to the outbreak, which has been appreciated by the World Health Organization and some countries. Hence, it is necessary to conduct an overall analysis of the development of the health emergency management system in China. This can provide a reference for scholars to aid in understanding the current situation and to reveal new research topics.MethodsWe collected 2247 international articles from the Web of Science database and 959 Chinese articles from the China National Knowledge Infrastructure database. Bibliometric and mapping knowledge domain analysis methods were used in this study for temporal distribution analysis, cooperation network analysis, and co-word network analysis.ResultsThe first international article in this field was published in 1991, while the first Chinese article was published in 2005. The research institutions producing these studies mainly existed in universities and health organizations. Developed countries and European countries published the most articles overall, while eastern China published the most articles within China. There were 52 burst words for international articles published from 1999–2018 and 18 burst words for Chinese articles published from 2003–2018. International top-ranked articles according to the number of citations appeared in 2005, 2007, 2009, 2014, 2015, and 2016, while the corresponding Chinese articles appeared in 2003, 2004, 2009, and 2011.ConclusionsThere are differences in the regional and economic distribution of international and Chinese cooperation networks. International research is often related to timely issues mainly by focusing on emergency preparedness and monitoring of public health events, while China has focused on public health emergencies and their disposition. International research began on terrorism and bioterrorism, followed by disaster planning and emergency preparedness, epidemics, and infectious diseases. China considered severe acute respiratory syndrome as the starting research background and the legal system construction as the research starting point, which was followed by the mechanism, structure, system, and training abroad for public health emergency management.

Study on subclinical hypothyroidism in pregnancy: a bibliometric analysis via CiteSpace

Background Subclinical hypothyroidism (SCH) in pregnancy has drawn an increasing amount of attention over the past two decades. However, the definition of it, including its clinical diagnosis and treatment, is still being revised. An increased risk of adverse pregnancy outcomes have been shown in most but not all studies. The objective of this study was to evaluate the origin, current trend and research hotspots on SCH in pregnancy. Methods We obtained 630 records with 12,033 references, published between 1999 and 2018, from the online version of SCI-Expanded, Thomson Reuters Web of Science. The CiteSpace 5.3.R4 was used to perform the cooperation network analysis, key words co-occurrence and burst detection analysis, and reference cocitation analysis. Results We identified that the number of publications on SCH in pregnancy was increasing over the past two decades. Teng WP and Shan ZY from the First Hospital of China Medical University, Shenyang, China, were found to be the most productive researchers in this field. USA was the leading country for publications. Subclinical hypothyroidism, pregnancy, hypothyroidism, dysfunction, disease, management, women, deficiency, association and hyperthyroidism were the top 10 high frequency keywords in all recruit documents. Follow up was the most strength burst key word in this field from 1999 through 2018, followed by maternal hypothyroxinemia, child, hypothyroidism complicating pregnancy, antithyroid antibody and fetal. Moreover, cocitation reference analysis revealed the top landmark articles and clusters in this field. Conclusion This study provides the trends and frontiers in the field of SCH in pregnancy and valuable information for endocrine and/or obstetric researchers to identify new perspectives on potential collaborators and cooperative countries.

A Social Network Analysis of Cooperation and Support in an HIV Service Delivery Network for Young Latino MSM in Miami

ABSTRACT Purpose: The study aimed to identify HIV prevention, testing, and care services prioritizing young Latino men who have sex with men (MSM) in an HIV service delivery network in Miami-Dade County, Florida, by visually describing structural features and processes of collaboration within and between health and social venues. Methods: The study used cross-sectional data from 40 social and healthcare venues providing goods and services to young Latino MSM. Each venue provided information surrounding HIV-related services provided and collaborations with other venues. Network visualization analyses were performed using UCINET6 and NetDraw2.160. Results: The most commonly used services offered by health and social venues were free condoms and HIV education materials. Collaborations both within and between health and social venues components of the network existed. Not all health and social venues provided services to young Latino MSM. Conclusion: Health venues can reach and incorporate hard to reach populations, such as non-English speaking and undocumented young Latino MSM, to provide HIV-related services using service delivery venue social networks.

Using cooperative networks to analyse behaviour in professional Australian Football

ObjectivesReducing the dimensionality of commonly reported complex network characteristics obtained from Australian Football League (AFL) games to facilitate their practical use and interpretability. DesignRetrospective longitudinal design where individual players’ interactions, determined through the distribution and receipt of kicks and handballs, during official AFL games were collected over three seasons. MethodsA principal component analysis was used to reduce the number of characteristics related to the cooperative network analysis. ResultsThe principal component analysis derived two individual-based principal components pertaining to in- and out-degree importance and three team-based principal components related to connectedness and in- and out-degree centralisation. ConclusionsThis study is the first to provide a simplified, novel method for analysing complex network structures in an Australian Football context with both the team- and individual-derived metrics revealing useful information for coaches and practitioners. This may consequently guide opposition analysis, training implementation, player performance ratings and player selection.

Commentary: Trends and Development in Enteral Nutrition Application for Ventilator Associated Pneumonia: A Scientometric Research Study (1996-2018).

Background: This study aimed to explore the intellectual landscape of the studies investigating the clinical application of enteral nutrition (EN) in patients with ventilator associated pneumonia (VAP), and to identify thematic development trends and research frontiers in this area. Methods: Scientometric research was conducted by analyzing bibliographic records retrieved from the Web of Science Core Collection Database dated between 1996 and 2018. Reference co-citation analysis, key words co-occurrence analysis and cooperation network analysis were performed using CiteSpace software. Results: A total of 124 valid records were included in the final dataset. It was found that early studies were mainly focused on the feeding pathways of EN among VAP patients. The risks associated with EN intervention in VAP patients, including gastric nutrition intolerance and aspiration pneumonia, were extensively investigated and reported. While aspiration pneumonia has remained a long-term active research area in the field of EN interventions for VAP patients, with recent research focused more on interventions aiming to improve EN support and to optimize the use of EN for VAP patients. It seems that clinical guidelines on EN interventions for VAP patients need to be established. Conclusion: The advantages of EN for VAP patients have been recognized but still require further investigation on standardizing the use. Strategic cooperation among hospital physicians, university researchers and industrial product developers is required to establish clinical guidelines and to continue developing innovative EN products to tackle VAP.

The dynamics of men's cooperation and social status in a small-scale society.

We propose that networks of cooperation and allocation of social status co-emerge in human groups. We substantiate this hypothesis with one of the first longitudinal studies of cooperation in a preindustrial society, spanning 8 years. Using longitudinal social network analysis of cooperation among men, we find large effects of kinship, reciprocity and transitivity in the nomination of cooperation partners over time. Independent of these effects, we show that (i) higher-status individuals gain more cooperation partners, and (ii) individuals gain status by cooperating with individuals of higher status than themselves. We posit that human hierarchies are more egalitarian relative to other primates species, owing in part to greater interdependence between cooperation and status hierarchy.

Performance Analysis of a User Selection Protocol in Cooperative Networks with Power Splitting Protocol-Based Energy Harvesting Over Nakagami-m/Rayleigh Channels

In this work, the system performance analysis of cooperative networks with power splitting protocol-based energy harvesting (EH) over Nakagami-m/Rayleigh channels is proposed. The exact-form expressions of the outage probability (OP) and ergodic capacity (EC) is demonstrated and derived. Using the proposed probabilistic models for wireless channels, we derive OP and EC as a research result. Finally, we conduct Monte Carlo simulations to verify a system performance analysis of the proposed system. The research results demonstrate the effectiveness of EH in the network over Nakagami-m/Rayleigh channels.

Trends and Development in Enteral Nutrition Application for Ventilator Associated Pneumonia: A Scientometric Research Study (1996-2018).

Background: This study aimed to explore the intellectual landscape of the studies investigating the clinical application of enteral nutrition (EN) in patients with ventilator associated pneumonia (VAP), and to identify thematic development trends and research frontiers in this area.Methods: Scientometric research was conducted by analyzing bibliographic records retrieved from the Web of Science Core Collection Database dated between 1996 and 2018. Reference co-citation analysis, key words co-occurrence analysis and cooperation network analysis were performed using CiteSpace software.Results: A total of 124 valid records were included in the final dataset. It was found that early studies were mainly focused on the feeding pathways of EN among VAP patients. The risks associated with EN intervention in VAP patients, including gastric nutrition intolerance and aspiration pneumonia, were extensively investigated and reported. While aspiration pneumonia has remained a long-term active research area in the field of EN interventions for VAP patients, with recent research focused more on interventions aiming to improve EN support and to optimize the use of EN for VAP patients. It seems that clinical guidelines on EN interventions for VAP patients need to be established.Conclusion: The advantages of EN for VAP patients have been recognized but still require further investigation on standardizing the use. Strategic cooperation among hospital physicians, university researchers and industrial product developers is required to establish clinical guidelines and to continue developing innovative EN products to tackle VAP.

A social network analysis of cooperation in forest, mining and tourism industries in the Finnish–Russian cross-border region: connectivity, hubs and robustness

ABSTRACTIn this article the distribution and intensity of cross-border cooperation (CBC) networks are tested with primary survey and interview data collected from the Finnish–Russian cross-border region. The study concentrates on the cross-border connectivity of three regionally significant and interlocking sectors (forest, mining and tourism industries together with associated research and administrative organisations) with varying strategies towards natural resource use. The collected data were examined by applying social network analysis tools developed for cross-border contexts. The results depict varying landscapes of CBC depending on the type (firms, research and administrative organisations) of the surveyed actors. Overall the studied CBC network is weakly developed with low firm-level participation and low integration between the sectors – a weakness in the sustainable utilisation of natural resources. Local administrative and research organisations are the network hubs in the studied cross-border region. As apositive note, the CBC network is not solely reliant on these few network hubs but also consists of several moderately connected cross-border actors that increase its robustness against cross-border network failures. The emergence of new and the deepening of the existing cross-border links between the industries would be pivotal for good policy design regarding local land-use and natural resource use policies.Abbreviations: CBC: Cross-border cooperation; CBR: Cross-border region; NGO: Non-governmental organisation; SNA: Social network analysis

Evaluating the institutional performance of the Pearl River Delta integration policy through intercity cooperation network analysis

Adopting a macroscopic perspective, this study employs intercity cooperation network analysis to assess the institutional performance of the Pearl River Delta's (PRD) integration policy. To assess whether the existing PRD intercity cooperation network is advancing the three objectives of the PRD integration policy in terms of cooperation patterns, actors' involvement, and cooperation fields, this study analyzed news published on the Internet and official government websites. The study concludes that: (1) the Shenzhen-Dongguan-Huizhou sub-region (SDH) and the Zhuhai-Zhongshan-Jiangmen sub-region (ZZJ) are entirely integrated as institutional entities, while Zhaoqing and Yunfu have not been integrated into the Guangzhou-Foshan-Zhaoqing sub-region (GFZ); (2) the PRD integration process remains a government-led administrative process, with market and civil society actors having had little influence on the governance structure; and (3) the primary areas of cooperation involve institutional design and economic development, and secondary functions, such as entertainment, education, and environmental protection, have not been fully undertaken. We also consider that the PRD's institutional spatial structure is a monocentric structure centered on Shenzhen, which is inconsistent with previous studies indicating a functional spatial structure known as a “Polynuclear Urban Region.”

Performance Analysis of Cooperative Networks based on WiMAX BICM LDPC-ID

Performance Analysis of Cooperative Networks based on WiMAX BICM LDPC-ID

On the Structural Features of Scientific and Technological Innovation Network in China’s Urban System: Based on the Analysis of Cooperation Network of High-Level Papers

The cooperation among cities to promote scientific and technological (sci-tech) innovation is of practical significance to regional coordinated development. Therefore, it is necessary to explore the features of sci-tech cooperation and innovation network in China’s urban system. Based on the recognition that high-level scientific papers are important achievements of sci-tech innovation, the author investigates the status quo of the cooperation on high-level scientific papers among cities, establishes a matrix on sci-tech innovation network in China’s urban system and analyzes its structural features and evolutionary trend during 2000–2010. The results show that: urban sci-tech innovation network is developing rapidly, but the development level remains low; network dominant city pairs are distributed across regions; network connection keys, concentrating in the eastern cities, present clear regional differences in distribution; the structure of network dominant cities is relatively stable, but the first network node city (Beijing) is underdeveloped; cohesive subgroups start to develop, but neither the national nor the regional high-level cohesive subgroups are fully developed; the largest subgroup consists of only 25 cities; and none of the three major urban agglomerations (Beijing–Tianjin–Hebei, Yangtze River Delta, and Pearl River Delta urban agglomerations) forms a complete cohesive subgroup.

Network Analysis of Cooperation in Tourism Destinations

Abstract Globalisation on the tourism market causes that the competition is not formed only between stakeholders in a destination, but more and more it is created among destinations. Therefore tourism stakeholders in a destination have to act together and cooperate. The cooperative behaviour of destination stakeholders is seen as a main prerequisite of applying the cooperative destination management, which influences the competitiveness of destination on tourism market. The aim of the paper is to analyse and measure cooperation of stakeholders in the selected destinations in Slovakia and Switzerland and to show the contribution of the network analysis to the quantitative research in tourism destinations. The article presents the network analysis of cooperation in product development and integrated marketing communication in the High Tatras, Liptov, Davos - Klosters and Engadin St. Moritz. The measurement of the cooperative behaviour helps to better understand the problems of cooperative destination management and creates a tool for comparing the destinations.

Analysis of Cooperative Networks Based on WiMAX LDPC Code

This study focus on the performance analysis of Cooperative communication networks based on WiMAX Low Density Parity Check (LDPC) codes. The channel capacity approaching coding technique LDPC having coding gain method Bit Interleave Coded Modulation with Iterative Decoding (BICM-ID) is used. The different fading environment is analyze to counter the challenges in wireless communication and provides solutions for the drawbacks in the multiple input multiple output MIMO technology. The relays are used in Cooperative communications networks to increases the range and link reliability at a lower transmit power because once the signal transmit power loses its strength it’s amplify on the relay node and when it suffers from noise it is also decoded at the relay node which increases the link reliability. LDPC with iterative decoding are used to gain BER performance only a small amount of decibel to attain Shannon limit. This performance analysis open the way for WiMAX technology can be used with Cooperative networks by using LDPC codes. The above mention communication system will provides rate, range and reliability at a lower cost, less complexity and lower transmit power.

Opportunistic Decode-and-Forward Relaying with Interferences at Relays

In this paper, a decode-and-forward cooperative interference-limited multiple relay network is considered. An efficient relay selection strategy and its performance analysis are proposed, where only the relay nodes are affected by multiple interferences. In the proposed relay selection scheme, the selected relay is not always used, depending on the power of interferences and the channel state information of all links, while the direct path between source and destination is always used. For analytical tractability the distribution of interference-limited channel is approximated as an exponential distribution with high accuracy. Analysis of cooperative networks with interference-limited relays can be performed using the approximate exponential distribution by the same methods which have been used without interferences. We derive the bit error probability and outage probability of the proposed opportunistic max-min relay selection (OMRS) scheme in independent non-identically distributed Rayleigh fading channels. Numerical results present the superiority of OMRS over the conventional relay selection scheme which always uses the selected relay path. The exactness of the approximate analysis for interference-limited relays is also shown in numerical results.

Performance Analysis of Cooperative Networks With Relay Selection Over Nakagami-$m$ Fading Channels

The performance of dual-hop Decode-and-Forward relaying with relay selection (RS) is analyzed over Nakagami-m fading channels. Assuming that the direct source-to-destination link is active, closed-form expressions for the moment generating and the cumulative distribution functions of a RS-based cooperation scheme that utilizes maximal-ratio diversity at the destination are derived. These expressions are used to obtain the outage probability (OP) and average symbol error probability (ASEP) of this pure RS scheme as well as of a rate-selective one that utilizes RS only when it provides higher achievable rate than that of the direct transmission. Numerically evaluated results, verified by computer simulations, show that, although, in terms of ASEP, relaying is always beneficial, in terms of OP, it should be disabled whenever the direct link is strong.

La colaboración científica en el campo de las Ciencias de la Actividad Física y el Deporte en España

This study examines scientific cooperation through co-authorship patterns in a sample of Spanish academic Physical Activity and Sport Science (PASS) journals. It also examines the main research groups and disciplines of the multidisciplinary PASS field. The frequency and percentage of jointly authored articles, and the number of authors per paper, were analysed. Cooperative network analysis was performed for the most productive authors to identify research groups, and the group density was calculated to reveal group cohesion. Production was also analysed by discipline. Single-authored publications were fewer than co-authored publications in most of the journals and disciplines examined. The average number of authors per article was 2.5. Fifteen research groups were identified, the larger ones being the most productive and less cohesive. Cooperation with foreign researchers was modest and mostly limited to South American authors. Teaching and training theory were the most productive disciplines. The results highlight the trend towards cooperation that has been observed over recent years in PASS, but cooperation in terms of the number of co-authors per article remains rather low, as does the number of research groups identified.