Journal articles: 'Networks of relationships among sophists'

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Belhe, U., and A. Kusiak. "Modeling Relationships Among Design Activities." Journal of Mechanical Design 118, no. 4 (December 1, 1996): 454–60. http://dx.doi.org/10.1115/1.2826912.

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In this paper, a graph theoretic approach for transformation and analysis of a network of design activities with different types of logical relationships is presented. In addition to the AND type relationship, OR and EXCLUSIVE OR relationships may exist between design activities. This relationship is captured using the IDEF3 notation. The algorithm generates various alternative precedence networks and clusters of design activities in each of these precedence networks. These alternative transformations are further used to analyze the risk of violating the due date of the design activity network. The concepts introduced in this paper are illustrated with an example.

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Peng, Jiajie, Linjiao Zhu, Yadong Wang, and Jin Chen. "Mining Relationships among Multiple Entities in Biological Networks." IEEE/ACM Transactions on Computational Biology and Bioinformatics 17, no. 3 (May 1, 2020): 769–76. http://dx.doi.org/10.1109/tcbb.2019.2904965.

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Costa, Jorge Campos da, and Claudia Strey. "INFERENCES AND INTERFACES: VALIDITY AND RELEVANCE." Linguagem em (Dis)curso 14, no. 3 (December 2014): 577–94. http://dx.doi.org/10.1590/1982-4017-140308-0814.

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The Ancient Greeks, since the sophists' texts represented threats to legitimate reasoning anchored in the notion of truth, tried to examine the relationship among valid, informal and fallacious arguments. Aristotle distinguished mainly formal ways of abstractions from the daily practical uses, addressing the relationships between the logical forms and the interferences of content. This paper, motivated by this script of insights, investigates problems concerning logical operators, relations of sense, probability, entailment and their properties in natural language, constituted as inferences in the logical-cognitive-communicative interface. For that, foundations of classical-propositional-logic are brought closer together with the ones from semantics, pragmatics and an inspiring notion of relevance.

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Sarapas, Casey, Anna Weinberg, Scott A. Langenecker, and Stewart A. Shankman. "Relationships among attention networks and physiological responding to threat." Brain and Cognition 111 (February 2017): 63–72. http://dx.doi.org/10.1016/j.bandc.2016.09.012.

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La Rocca, Antonella, Ivan Snehota, and Carlotta Trabattoni. "Construction of meanings in business relationships and networks." IMP Journal 9, no. 2 (July 6, 2015): 163–76. http://dx.doi.org/10.1108/imp-05-2015-0017.

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Purpose – The purpose of this paper is to address an issue related to the role of interaction processes in the development of customer-supplier relationships in business markets. Design/methodology/approach – Focusing on the role of cognition in interaction behaviours in business relationships, the authors examine two research streams that offer perspectives on interaction processes akin to the IMP – the socio-cognitive perspective and the practice-based approach to markets and marketing. Findings – The two research streams analysed contribute to understanding the link between cognition and interaction behaviours by pointing to the construction of meanings as an important factor in interaction behaviours and indicating storytelling as a tool to construct meanings among the actors. Originality/value – This paper is among the few studies that focus the attention on communication processes in business relationships and networks.

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Yagahara, Ayako, Keiri Hanai, Shin Hasegawa, and Katsuhiko Ogasawara. "Relationships Among Tweets Related to Radiation: Visualization Using Co-Occurring Networks." JMIR Public Health and Surveillance 4, no. 1 (March 15, 2018): e26. http://dx.doi.org/10.2196/publichealth.7598.

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JING, Xiujuan, and Yifeng WANG. "The Relationships among Attention Networks and Their Psychological and Physiological Mechanisms." Advances in Psychological Science 23, no. 9 (2015): 1531. http://dx.doi.org/10.3724/sp.j.1042.2015.01531.

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Kobayashi, H., and I. P. Kaminow. "Duality relationships among "space", "time", and "wavelength" in all-optical networks." Journal of Lightwave Technology 14, no. 3 (March 1996): 344–51. http://dx.doi.org/10.1109/50.485591.

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Pickett, Candace Coppinger, Justin L. Barrett, Cynthia B. Eriksson, and Christina Kabiri. "Social Networks among Ministry Relationships: Relational Capacity, Burnout, & Ministry Effectiveness." Journal of Psychology and Theology 45, no. 2 (June 2017): 92–105. http://dx.doi.org/10.1177/009164711704500202.

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Humans, on average, are believed to have the capacity to sustain approximately 150 personal relationships due to social-cognitive limits and time available for relationship investment (Dunbar, 1993). The consequences of attempting to exceed this relational limit have not been investigated. Yet relational-style ministry workers face pressure to increase their number of personal relationships. It is likely that attempting to exceed this relational limit leads to distress. Therefore, relational ministers exceeding typical social network sizes were predicted to experience higher levels of burnout and lower levels of ministry effectiveness. For this study, two hundred thirty-seven relational ministers completed self-report measures. Multiple hierarchical regressions indicated that while total network size was not a significant predictor of outcome variables, nuanced differences among networks predicted burnout and ministry effectiveness. Above average numbers of intimate, high-investment relationships predicted smaller overall network sizes, and subgroups of more intimate relationships may have optimal size ranges that contribute to personal well-being.

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Feng, Ying-Ying, Li-Min Wang, and Zhi-Yong Zhou. "Relationships among quasivarieties induced by the min networks on inverse semigroups." Semigroup Forum 101, no. 3 (August 14, 2020): 585–602. http://dx.doi.org/10.1007/s00233-020-10126-1.

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Kuttler, Ami Flam, and Annette M. La Greca. "Linkages among adolescent girls’ romantic relationships, best friendships, and peer networks." Journal of Adolescence 27, no. 4 (August 2004): 395–414. http://dx.doi.org/10.1016/j.adolescence.2004.05.002.

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Mican, Daniel, Dan-Andrei Sitar-Tăut, and Ioana-Sorina Mihuţ. "User Behavior on Online Social Networks: Relationships among Social Activities and Satisfaction." Symmetry 12, no. 10 (October 10, 2020): 1656. http://dx.doi.org/10.3390/sym12101656.

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Social networking sites (SNSs) are now ubiquitous communities for constant online interpersonal interactions that trigger symmetric or asymmetric effects on our everyday life. Recent studies advocate in favor of the significant role that SNSs have in promoting well-being and, more importantly, in disseminating reliable information during a global crisis, such as the current COVID-19 pandemic. Based on the growing importance of SNSs to the global framework, the main purpose of this study is to empirically assess the link between the use of symmetric social networks such as Facebook, or asymmetric social networks, like Instagram, and the level of satisfaction, employing the methodology of structural equation modeling. The results of the research validate the hypothesis that SNS activities increase the level of satisfaction, and therefore, that there is a direct link between the number of posts and comments and the level of satisfaction. Furthermore, based on the reversible and significant link between the level of satisfaction and the importance attributed to SNSs, the main conclusion of the study is that the higher the importance of the SNS, the greater the level of dissatisfaction experienced by users. Also, public activities on social networks positively affect social network satisfaction, while private activities have a direct negative relationship with the importance of social networks.

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de Souza e Silva, E., and R. R. Muntz. "Simple relationships among moments of queue lengths in product form queueing networks." IEEE Transactions on Computers 37, no. 9 (September 1988): 1125–29. http://dx.doi.org/10.1109/12.2264.

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Zhao, Wanying, Jin Mao, and Kun Lu. "Ranking themes on co-word networks: Exploring the relationships among different metrics." Information Processing & Management 54, no. 2 (March 2018): 203–18. http://dx.doi.org/10.1016/j.ipm.2017.11.005.

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Codini, Anna Paola. "Business networks along innovation life cycle." Journal of Business & Industrial Marketing 30, no. 3/4 (May 1, 2015): 329–41. http://dx.doi.org/10.1108/jbim-11-2012-0235.

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Purpose – This paper aims to investigate how the relationships among the different actors within the business networks affect the evolution of innovation along the different steps of technology life cycle. Design/methodology/approach – The study is supported by a longitudinal case study referred to a mechanical company operating in the knitting machineries industry. A triangulation method integrating multiple data sources in a multiple method design was used to gather data. Findings – The longitudinal study supports the idea that interactions among the actors within the business networks heavily influence the technology evolution. Research limitations/implications – Although the longitudinal case study reported in this paper refers to a period of time of about 10 years, our findings refer only to a single case study in a specific sector and so they cannot be generalized. Practical implications – This paper provides important guidelines on how to manage the relationships emerging within a business network to influence the new technologies development. Originality/value – The paper contributes to business networks literature, filling the gaps about how the relationships among the actors involved in a network can evolve over time and influence the evolution of technology in itself.

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Collins, W. Andrew, Katherine C. Haydon, and Paloma Hesemeyer. "Relating relationships: Development, expansion, and interrelations in relationship networks." International Journal of Behavioral Development 31, no. 6 (November 2007): 581–84. http://dx.doi.org/10.1177/0165025407080587.

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The four articles in this special section underscore three key themes in research on close relationships during adolescence: normative changes in their nature and functional significance; expansion and diversification of networks of relationships; and increasing interrelations among close relationships. We identify important ways in which the four articles both extend knowledge on these three points and inspire further advances by future researchers.

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Nürnberg, Peter J., and Monica M. C. Schraefel. "Relationships among structural computing and other fields." Journal of Network and Computer Applications 26, no. 1 (January 2003): 11–26. http://dx.doi.org/10.1016/s1084-8045(02)00057-7.

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Lubbers, Miranda J., Hugo Valenzuela García, Paula Escribano Castaño, José Luis Molina, Antònia Casellas, and Jorge Grau Rebollo. "Relationships Stretched Thin: Social Support Mobilization in Poverty." ANNALS of the American Academy of Political and Social Science 689, no. 1 (May 2020): 65–88. http://dx.doi.org/10.1177/0002716220911913.

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Research on how the poor “make ends meet” typically shows that they are able to do so by relying on dense support networks of family and close friends. Recent research suggests, however, that these networks play a limited role. This article examines the role of informal networks in how sixty-one households in Barcelona, Spain, cope with poverty. We use a mixed-methods design that combines structured network delineation with semistructured interviews about the processes of support mobilization. Findings show a great variation in network size and resource capacity among households and in the kinds of ties that offer support. Social support was regarded as essential among members of poor households, but mobilized networks were often insufficient for covering even the most basic needs, and prolonged network mobilization could cause strain and long-term conflict. This analysis suggests that support networks may help people to cope with income volatility while simultaneously increasing the potential for social exclusion and isolation.

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Mengle, Saket S. R., and Nazli Goharian. "Detecting relationships among categories using text classification." Journal of the American Society for Information Science and Technology 61, no. 5 (March 2, 2010): 1046–61. http://dx.doi.org/10.1002/asi.21297.

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Mathur, Kuldeep. "Governance as Networks: Emerging Relationships among the State, Business and NGOs in India." Indian Journal of Human Development 4, no. 2 (July 2010): 253–79. http://dx.doi.org/10.1177/0973703020100203.

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Liang, Wei, and Kunpeng Wang. "Relationships among the statistical parameters in evolving modern Chinese linguistic co-occurrence networks." Physica A: Statistical Mechanics and its Applications 524 (June 2019): 532–39. http://dx.doi.org/10.1016/j.physa.2019.04.100.

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Reynolds, Tracey. "Transnational family relationships, social networks and return migration among British-Caribbean young people." Ethnic and Racial Studies 33, no. 5 (May 2010): 797–815. http://dx.doi.org/10.1080/01419870903307931.

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Hernández-Santaolalla, Víctor, and Alberto Hermida. "Malicious Social Surveillance and Negative Implications in Romantic Relationships among Undergraduates." Surveillance & Society 18, no. 3 (August 19, 2020): 387–99. http://dx.doi.org/10.24908/ss.v18i3.13149.

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In the process of normalizing some surveillance dynamics in a society that has become increasingly more accustomed to infringements of privacy, citizens have been provided with a series of tools that allow them to control their peers. Thus, this paper relates interpersonal electronic surveillance to the negative implications that social networks may have for romantic relationships in the Spanish university context by analyzing three main aspects of interpersonal electronic surveillance: user perception and awareness, the types of pernicious social networking practices involved, and their consequences for romantic relationships. To achieve these objectives, a mixed methodology was used. Specifically, an in-person survey involving 311 respondents and two focus groups of seven and eight members, respectively, were conducted. All of the participants were undergraduate communication students between the ages of eighteen and twenty-six. Findings from the current study show that the respondents believed that social networks incited jealousy and promoted control and surveillance practices, thus making romantic relationships more conflictive and artificial. However, they tended to blame individual uses more than the inner workings of social networks. For instance, some respondents regretted having resorted to certain practices, while others justified those practices because they had allowed for the detection of infidelity-related behaviors. In short, in a context in which social surveillance is now the norm, the monitoring and control of partner profiles was generally accepted even though the respondents called for more education about social networking in order to curtail these pernicious practices and to maintain healthier romantic relationships.

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Mahdi, Muhammed Abaid, and Saad Talib Hasson. "Grouping vehicles in Vehicular Social Networks." Kurdistan Journal of Applied Research 2, no. 3 (August 27, 2017): 218–25. http://dx.doi.org/10.24017/science.2017.3.42.

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As vehicles have become intelligent objects, creating social friendships among them is justifiable. Internet of Vehicles (IoVs) and Vehicular Ad-hoc NETworks (VANETs) are associated terms that are recently highlighted to improve the transportation systems. Intelligent vehicles that can communicate with each other are the main component of vehicular networks (VNs). Indeed, they have resources for that intelligence: CPU, transceiver, sensors and memory. On the other side, social networks (SNs) are also brought to light to mainly study the human relationships. In this context, gathering these vehicles in social groups is reasonable to share their information by bridging VN and SN in a multidisciplinary research direction called vehicular social networks (VSNs).This paper will present a model to group vehicles in two types of social groups. Casual groups and permanent or formal groups will be discussed to increase social ties among vehicles that have the same interests. The results will be analyzed to clarify the most important factors that affect such these relationships.

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Fujisawa, Keiko K., Nobuyuki Kutsukake, and Toshikazu Hasegawa. "Social network analyses of positive and negative relationships among Japanese preschool classmates." International Journal of Behavioral Development 33, no. 3 (February 25, 2009): 193–201. http://dx.doi.org/10.1177/0165025408098015.

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Using social network analysis, we investigated the characteristics of social networks composed of positive relationships (positive network: PN) and negative relationships (negative network: NN) in classrooms of Japanese 3- and 4-year-olds. Analysis of “density” showed that PNs were denser than NNs among 4-year-olds but that this was not the case among 3-year-olds. The difference between the probability of dyads of girls forming cliques, between PNs and NNs, was larger than that for dyads of boys or mixed-sex dyads. Four-year-olds formed cliques more often in PNs than in NNs, compared to 3-year-olds. This study showed that both sex combination of dyads and age affect the quantified properties of social networks among preschoolers.

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Oluwagbemigun, Kolade, Andrea Anesi, Gerard Clarke, Matthias Schmid, Fulvio Mattivi, and Ute Nöthlings. "An Investigation into the Temporal Reproducibility of Tryptophan Metabolite Networks Among Healthy Adolescents." International Journal of Tryptophan Research 14 (January 2021): 117864692110413. http://dx.doi.org/10.1177/11786469211041376.

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Tryptophan and its bioactive metabolites are associated with health conditions such as systemic inflammation, cardiometabolic diseases, and neurodegenerative disorders. There are dynamic interactions among metabolites of tryptophan. The interactions between metabolites, particularly those that are strong and temporally reproducible could be of pathophysiological relevance. Using a targeted metabolomics approach, the concentration levels of tryptophan and 18 of its metabolites across multiple pathways was quantified in 24-hours urine samples at 2 time-points, age 17 years (baseline) and 18 years (follow-up) from 132 (52% female) apparently healthy adolescent participants of the DOrtmund Nutritional and Anthropometric Longitudinally Designed (DONALD) Study. In sex-specific analyses, we applied 2 network approaches, the Gaussian graphical model and Bayesian network to (1) explore the network structure for both time-points, (2) retrieve strongly related metabolites, and (3) determine whether the strongly related metabolites were temporally reproducible. Independent of selected covariates, the 2 network approaches revealed 5 associations that were strong and temporally reproducible. These were novel relationships, between kynurenic acid and indole-3-acetic acid in females and between kynurenic acid and xanthurenic acid in males, as well as known relationships between kynurenine and 3-hydroxykynurenine, and between 3-hydroxykynurenine and 3-hydroxyanthranilic acid in females and between tryptophan and kynurenine in males. Overall, this epidemiological study using network-based approaches shed new light into tryptophan metabolism, particularly the interaction of host and microbial metabolites. The 5 observed relationships suggested the existence of a temporally stable pattern of tryptophan and 6 metabolites in healthy adolescent, which could be further investigated in search of fingerprints of specific physiological states. The metabolites in these relationships may represent a multi-biomarker panel that could be informative for health outcomes.

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Li, Qiaoru, Zhe Zhang, Zixuan Chen, Liang Chen, Jingchun Zhang, Ke Chen, Yuanyuan Wang, and Yuechao Gao. "Evolutionary dynamics of competition among ports in networks." Modern Physics Letters B 34, no. 24 (June 26, 2020): 2050248. http://dx.doi.org/10.1142/s0217984920502486.

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The competitive relationships among ports become complicated as the consequence of the prosperity of international trade. Typical oligopoly competition models cannot be competent for the analysis of ports competition in real scenario. In this paper, the scale-free network is adopted to characterize the interactions among ports with various number of neighbors. For each port node, not only direct competition but also indirect influences exerted by its neighbor are taken into account. Following the hypothesis in evolutionary game theory, social learning behavior among competitors occurs generally in our model. Conforming to reality, strategies considering both price collusion and price competition are proposed to investigate evolutionary dynamics of competition among ports in the self-organization process of imitation. It shows that neighbors have the same goal but play different roles in affecting strategy transition during the evolution with two competitive means. We explore how evolutionary dynamics are influenced by different imitation means. Then this paper verifies that price collusion is more conducive to port development when abundant resources is provided. Our results obtained in this evolutionary framework with different imitation means may enhance port-operation efficiency.

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Wilkinson, Michael. "Charismatic Christianity and the Role of Social Networks." PNEUMA 38, no. 1-2 (2016): 33–49. http://dx.doi.org/10.1163/15700747-03801005.

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This article offers a sociological examination of the role of networks among charismatic Christians, with specific attention to Catch the Fire and the Revival Alliance. Drawing upon social network theory, it shows how religious networks in global society are relational, asymmetrical, and infused with apostolic authority. A case study of Catch the Fire reveals that the network is primarily collaborative in its structure. However, there are some relationships in the network that are more important than others, as evidenced by the dense social ties among members. Furthermore, the network is structured according to gender with the benefits of social capital favoring men. The network also overlaps with other networks through key relationships, especially the New Apostolic Reformation and other charismatic ministries associated with the prosperity gospel.

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Arroyo Montoro, Fernando, Juan Castellanos, Victor Mitrana, Eugenio Santos, and José María Sempere. "Networks of Bio-inspired Processors." Triangle, no. 7 (June 28, 2018): 3. http://dx.doi.org/10.17345/triangle7.3-22.

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The goal of this work is twofold. Firstly, we propose a uniform view of three types of accepting networks of bio-inspired processors: networks of evolutionary processors, networks of splicing processors and networks of genetic processors. And, secondly, we survey some features of these networks: computational power, computational and descriptional complexity, the existence of universal networks, eciency as problem solvers and the relationships among them.

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Palackal, Antony, Paul Nyaga Mbatia, Dan-Bright Dzorgbo, Ricardo B. Duque, Marcus Antonius Ynalvez, and Wesley M. Shrum. "Are mobile phones changing social networks? A longitudinal study of core networks in Kerala." New Media & Society 13, no. 3 (March 11, 2011): 391–410. http://dx.doi.org/10.1177/1461444810393900.

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Mobile telephony has diffused more rapidly than any Indian technology in recent memory, yet systematic studies of its impact are rare, focusing on technological rather than social change. We employ network surveys of separate groups of Kerala residents in 2002 and again in 2007 to examine recent shifts in mobile usage patterns and social relationships. Results show (1) near saturation of mobiles among both the professionals and nonprofessionals sampled, (2) a decrease in the number of social linkages across tie types and physical locations, and (3) a shift towards friends and family but away from work relationships in the core networks of Malayalis. We interpret these findings as support for the bounded solidarity thesis of remote communication that emphasizes social insulation and network closure as mobiles shield individuals from their wider surroundings.

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Wang, Lihong, Ying-Hui Chou, Guy G. Potter, and David C. Steffens. "Altered Synchronizations among Neural Networks in Geriatric Depression." BioMed Research International 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/343720.

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Although major depression has been considered as a manifestation of discoordinated activity between affective and cognitive neural networks, only a few studies have examined the relationships among neural networks directly. Because of the known disconnection theory, geriatric depression could be a useful model in studying the interactions among different networks. In the present study, using independent component analysis to identify intrinsically connected neural networks, we investigated the alterations in synchronizations among neural networks in geriatric depression to better understand the underlying neural mechanisms. Resting-state fMRI data was collected from thirty-two patients with geriatric depression and thirty-two age-matched never-depressed controls. We compared the resting-state activities between the two groups in the default-mode, central executive, attention, salience, and affective networks as well as correlations among these networks. The depression group showed stronger activity than the controls in an affective network, specifically within the orbitofrontal region. However, unlike the never-depressed controls, geriatric depression group lacked synchronized/antisynchronized activity between the affective network and the other networks. Those depressed patients with lower executive function has greater synchronization between the salience network with the executive and affective networks. Our results demonstrate the effectiveness of the between-network analyses in examining neural models for geriatric depression.

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Calik, Eyup, Fazleena Badurdeen, and Alperen Bal. "COOPERATION NETWORKS AND ORGANIZATIONAL FACTORS ON SUSTAINABLE INNOVATION." Journal on Innovation and Sustainability RISUS 11, no. 1 (July 14, 2020): 94–121. http://dx.doi.org/10.23925/2179-3565.2020v11i1p94-121.

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Sustainable innovations need more partnerships than available within the boundaries of an organization. Cooperation with research organizations, public institutions, nongovernmental organizations, intermediary organizations and other pressure groups as external actors for sustainable innovation play an important role in organizational performance. Some organizational factors such as knowledge management, learning, and culture influence this relationship as internal factors. There has not been a comprehensive conceptual model that considers the relationships among external actors, organizational factors, and sustainable innovation in the literature yet. In this study, we propose a conceptual model to show all relationships between these factors following a systematic literature review to identify all important relationships. The model takes a general perspective, beginning with establishing cooperation to the end of firm performance. It can also provide a basis for researchers to test the relationships and to evaluate all factors that affect sustainable innovation, and sustainability-based firm performance for managers.

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ATHUKORALA, Sarangi N. P., Raquel PINO-BODAS, Soili STENROOS, Teuvo AHTI, and Michele D. PIERCEY-NORMORE. "Phylogenetic relationships among reindeer lichens of North America." Lichenologist 48, no. 3 (May 2016): 209–27. http://dx.doi.org/10.1017/s0024282915000572.

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AbstractCladonia is one of the largest lichen-forming ascomycete genera. It was formerly divided into ten sections, three of which, Crustaceae (Cladina), Tenues, and Impexae, are called the reindeer lichens. While previous studies have elucidated the relationships between species and sections, they often examined only one or a few specimens of each species in the analysis. This study examined the monophyly of selected members of sections Crustaceae, Tenues, and Impexae and their relationships in the genus Cladonia using the internal transcribed spacer region of the nuclear ribosomal DNA (ITS rDNA) and the mitochondrial small subunit gene of the mitochondrial ribosomal DNA (mtSSU). The phylogenetic tree contained four clades, two representing species in section Impexae, one representing species that belong to sections Crustaceae and Tenues, and one clade with C. arbuscula and related species. Five of 22 species, C. pycnoclada, C. stellaris, C. evansii, C. ciliata and C. subtenuis, showed monophyly in the phylogenetic tree; some of these 5 species have been shown previously to be monophyletic. The thallus branching pattern was interpreted as an important heritable character using the mtSSU network. Three duplets of paraphyletic species were further examined using ITS rDNA haplotype networks and AMOVA analysis. The results for the species duplets showed some mixing of haplotypes but the AMOVA analysis provided support for species separation within the duplets. While the evidence supports distinct species, further study is needed to conclusively show separate species in these duplets.

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Perry, Charlotte M., and Colleen L. Johnson. "Families and Support Networks among African American Oldest-Old." International Journal of Aging and Human Development 38, no. 1 (January 1994): 41–50. http://dx.doi.org/10.2190/uqkb-el57-tn8r-3w1a.

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This article examines the demographic profile of oldest-old African-Americans who reside in the San Francisco Bay Area. Family life and social support available from adult children, relatives, and friends are explored as they vary by gender. Bivariate analyses indicate that females receive more help from relatives and friends, and males receive more help from immediate family members. Parent and childless respondents were compared for instrumental supports. The childless received support from a variety of helpers, whereas, the parents received help from family or the formal sector. Overall, fewer family members were available to assist the oldest-old with community living, although many were able to redefine relationships and increase the numbers of helpers available to assist them. These findings indicate that the principle of substitution operates among some segments of the older African American population, primarily those who are childless. This pattern was more evident among females than among males.

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Cen, Yi, Rentao Gu, and Yuefeng Ji. "Sign Inference for Dynamic Signed Networks via Dictionary Learning." Journal of Applied Mathematics 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/708581.

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Mobile online social network (mOSN) is a burgeoning research area. However, most existing works referring to mOSNs deal with static network structures and simply encode whether relationships among entities exist or not. In contrast, relationships in signed mOSNs can be positive or negative and may be changed with time and locations. Applying certain global characteristics of social balance, in this paper, we aim to infer the unknown relationships in dynamic signed mOSNs and formulate this sign inference problem as a low-rank matrix estimation problem. Specifically, motivated by the Singular Value Thresholding (SVT) algorithm, a compact dictionary is selected from the observed dataset. Based on this compact dictionary, the relationships in the dynamic signed mOSNs are estimated via solving the formulated problem. Furthermore, the estimation accuracy is improved by employing a dictionary self-updating mechanism.

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ZHANG, YUANYUAN, SHUDONG WANG, MEIXI YANG, DASHUN XU, and DAZHI MENG. "A NEW METHOD OF DETERMINING THRESHOLD OF GENE NETWORK BASED ON PHENOTYPES." Journal of Biological Systems 19, no. 04 (December 2011): 607–16. http://dx.doi.org/10.1142/s0218339011004068.

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With the rapid growth of microarray data, it has become a hot topic to reveal complex behaviors and functions of life system by studying the relationships among genes. In the process of reverse network modeling, the relationships with less relevance are generally not considered by determining a threshold when the relationships among genes are mined. However, there are no effective methods to determine the threshold up to now. It is worthwhile to note that the phenotypes of genetic diseases are generally regarded as external representation of the functions of genes. Therefore, two types of phenotype networks are constructed from gene and disease views, respectively, and through comparing these two types of phenotype networks, the threshold of gene network corresponding to a certain disease can be determined when their similarity reaches to maximum. Because the gene network is determined based on the relationships among phenotypes and phenotypes are external representation of the functions of genes, it is considered that relationships in the gene network may show functional relationships among genes in biological system. In this work, the thresholds 0.47 and 0.48 of gene network are determined based on Parkinson disease phenotypes. Furthermore, the validity of these thresholds is verified by the specificity and susceptibility of phenotype networks. Also, through comparing the structural parameters of gene networks for normal and disease stage at different thresholds, significant difference between the two gene networks at threshold 0.47 or 0.48 is found. The significant difference of structural parameters further verifies the efficiency of this method.

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Patterson, Megan S., and Patricia Goodson. "The Role of Ego Networks in Compulsive Exercise Behavior Among a Sample of College Sorority Women." Journal of Physical Activity and Health 15, no. 10 (October 1, 2018): 755–62. http://dx.doi.org/10.1123/jpah.2017-0570.

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Background: Compulsive exercise (CE) is a harmful form of exercise that elevates the risk of developing/sustaining clinical eating disorders. College-aged sorority women are especially prone to CE. Due to the pronounced impact social relationships have on college students’ behavior, this study aims to examine personal networks and CE among a sample of sorority women through an egocentric network analysis.Methods: A total of 204 women in a sorority from a large, private university in the southeastern United States completed a cross-sectional survey in spring 2015. Descriptive and regression analyses were conducted on demographic, attribute, and ego network data.Results: Relationships with siblings, significant others, and roommates were protective against CE in this sample. Conversely, body dissatisfaction and exercise frequency predicted CE.Conclusions: Findings suggest that social relationships can impact CE behaviors in this sample. Along with promoting body satisfaction and healthy exercise, public health efforts should focus on facilitating close interpersonal relationships, especially between sorority women and siblings, significant others, and roommates.

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Xu, Qingwen, and Neal A. Palmer. "Migrant Workers’ Community in China: Relationships among Social Networks, Life Satisfaction and Political Participation." Psychosocial Intervention 20, no. 3 (December 2011): 281–94. http://dx.doi.org/10.5093/in2011v20n3a5.

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Magallanes, Jorge F., Jure Zupan, Darío Gomez, Silvia Reich, Laura Dawidowski, and Neva Groselj. "The Mean Angular Distance Among Objects and Its Relationships with Kohonen Artificial Neural Networks." Journal of Chemical Information and Computer Sciences 43, no. 5 (September 2003): 1403–11. http://dx.doi.org/10.1021/ci034062v.

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Zang, Tianlei, Jieyu Lei, Xiaoguang Wei, Tao Huang, Tao Wang, Mario J. Perez-Jimenez, and Hua Lin. "Adjacent Graph Based Vulnerability Assessment for Electrical Networks Considering Fault Adjacent Relationships Among Branches." IEEE Access 7 (2019): 88927–36. http://dx.doi.org/10.1109/access.2019.2926148.

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Uberto, Richard, and Ellen W. Moomaw. "Protein Similarity Networks Reveal Relationships among Sequence, Structure, and Function within the Cupin Superfamily." PLoS ONE 8, no. 9 (September 6, 2013): e74477. http://dx.doi.org/10.1371/journal.pone.0074477.

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Maccallum, Fiona, Matteo Malgaroli, and George A. Bonanno. "Networks of loss: Relationships among symptoms of prolonged grief following spousal and parental loss." Journal of Abnormal Psychology 126, no. 5 (July 2017): 652–62. http://dx.doi.org/10.1037/abn0000287.

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Lee, Mee Sook, Kathleen S. Crittenden, and Elena Yu. "Social Support and Depression among Elderly Korean Immigrants in the United States." International Journal of Aging and Human Development 42, no. 4 (January 1, 1996): 313–27. http://dx.doi.org/10.2190/2vhh-jlxy-ebvg-y8jb.

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Based on the integrative concept of social support, we investigated the effects of quantitative, structural, and functional aspects of social relationships on the level of depressive symptoms among elderly Korean immigrants, taking into account their level of acculturation and life stress. Korean elders having more close persons and more frequent contacts with them exhibited fewer depressive symptoms. Networks providing instrumental support consisted mainly of family ties; networks for emotional support included diverse relationships as well as family members. Emotional support was found to moderate the harmful effect of life stress, and thus to be more relevant than instrumental support to the mental health of Korean elderly.

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KIM, HYUNG-JONG, HUY KANG KIM, and HAE YOUNG LEE. "SECURITY REQUIREMENT REPRESENTATION METHOD FOR CONFIDENCE OF SYSTEMS AND NETWORKS." International Journal of Software Engineering and Knowledge Engineering 20, no. 01 (February 2010): 49–71. http://dx.doi.org/10.1142/s021819401000461x.

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Software vulnerability is a key determiner of confidence in computer systems and networks. Usually, software requirements are listed at the beginning of software design, whereas vulnerabilities appear only after development is complete and sometimes only after the system is operational. Therefore, the security requirements during the design stage should address software vulnerabilities. This paper presents a method of representing software vulnerabilities as atomic vulnerabilities (AVs): an AV is an undividable cause-unit of vulnerability, and a set of AVs and the relationships among them represent software vulnerabilities. The AV concept originates from system theory and modeling methodology. AVs and the relationships among them can be used to construct a behavioral model of systems and networks with a focus on vulnerability. The logical relationships among AVs are named vulnerability expressions (VXs). With all the accumulated VXs of the systems and networks, we can set security requirements that resolve or circumvent vulnerabilities effectively and reinforce confidence in system and network robustness. The contribution of this paper is to use the concepts of AV and VX to derive the security requirements considering software vulnerabilities for secure systems and networks. The requirement derived can be used to complement the vulnerable situation caused by software that is developed without cognizance of security consideration.

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Timm, Luís Carlos, Daniel Takata Gomes, Emanuel Pimentel Barbosa, Klaus Reichardt, Manoel Dornelas de Souza, and José Flávio Dynia. "Neural network and state-space models for studying relationships among soil properties." Scientia Agricola 63, no. 4 (August 2006): 386–95. http://dx.doi.org/10.1590/s0103-90162006000400010.

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The study of soil property relationships is of great importance in agronomy aiming for a rational management of environmental resources and an improvement of agricultural productivity. Studies of this kind are traditionally performed using static regression models, which do not take into account the involved spatial structure. This work has the objective of evaluating the relation between a time-consuming and "expensive" variable (like soil total nitrogen) and other simple, easier to measure variables (as for instance, soil organic carbon, pH, etc.). Two important classes of models (linear state-space and neural networks) are used for prediction and compared with standard uni- and multivariate regression models, used as reference. For an oat crop cultivated area, situated in Jaguariuna, SP, Brazil (22º41' S, 47º00' W) soil samples of a Typic Haplustox were collected from the plow layer at points spaced 2 m apart along a 194 m spatial transect. Recurrent neural networks and standard state-space models had a better predictive performance of soil total nitrogen as compared to the standard regression models. Among the standard regression models the Vector Auto-Regression model had a better predictive performance for soil total nitrogen.

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Yoon, Hyejin, and Hyosun Kim. "Career–family strategies and spatial mobility among South Korean women scholars." Asian and Pacific Migration Journal 27, no. 1 (March 2018): 101–20. http://dx.doi.org/10.1177/0117196818760863.

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This paper examines the mobility of female South Korean scholars and their career–family strategies for negotiating their relationships. Despite the importance of the relations and social capital of workers, previous studies on the mobility of highly skilled professionals have overlooked their social and personal relationships. South Korean women scholars consider not only career opportunities but also familial relations in the process of migration decision-making. To negotiate their relationships, they adopt strategies to build and maintain their relations at various geographic levels. Their strategies for making networks are complex and vary according to career, personal and familial goals.

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Chuang, Shu-Hui. "The Relationships Among Knowledge Types, Organisational Learning, and Performance." Journal of Information & Knowledge Management 10, no. 02 (June 2011): 169–81. http://dx.doi.org/10.1142/s0219649211002912.

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This study adopts the organisational learning perspective to examine knowledge required by advanced total quality management (TQM) for the purpose to attain organisational performance. Regression analysis was used to test the proposed hypothesis of interest based on a survey of senior managers in 153 largest manufacturing firms in Taiwan. The results of this research showed a positive correlation between TQM practice and knowledge types (e.g., experiential, conceptual, systematic, and routine knowledge). This observation partially indicating that the TQM practice has a mediating effect on organisational performance through the knowledge types. They also demonstrate that organisational learning facilitators have a moderate impact on the relationship between knowledge types and performance improvement. It is concluded that when organisational learning facilitators are well arranged, a provision of knowledge is more likely to be linked to effective learning, hence improving organisational performance.

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Amoako, Isaac Oduro, and Harry Matlay. "Norms and Trust-Shaping Relationships among Food-Exporting SMEs in Ghana." International Journal of Entrepreneurship and Innovation 16, no. 2 (May 2015): 123–34. http://dx.doi.org/10.5367/ijei.2015.0182.

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There is a marked paucity of empirically rigorous research that focuses on the impact that indigenous institutional influences can have on the internationalization strategies of entrepreneurs operating in developing countries. This study therefore explores the complex processes through which owner-managers of food-exporting SMEs in Ghana draw on cultural norms to build networks that enable internationalization, in the absence of formal institutional support. The results facilitate a better understanding of the hybridization of indigenous and global norms that underpin SME internationalization in Ghana and other developing economies, particularly in Africa. The study contributes to the theory and practice of interorganizational relationships and to international entrepreneurship in an African context.

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Havenvid, Malena Ingemansson, Håkan Håkansson, and Åse Linné. "Managing renewal in fragmented business networks." IMP Journal 10, no. 1 (March 14, 2016): 81–106. http://dx.doi.org/10.1108/imp-06-2015-0023.

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Purpose – The authors argue that the construction industry is characterised by a fragmented business context with three main features: the project-based character, the strong focus on price in all parts of the supply chain along with the great importance of suppliers. This fragmentation has been identified as problematic for the industry’s ability to innovate and engage in renewal. The purpose of this paper is to investigate this further by focusing on how construction companies manage renewal in a fragmented business context. Design/methodology/approach – The authors use an in-depth case study of a housing project in Sweden to discuss how firms manage renewal in a fragmented type of business environment. The authors identify the challenge of achieving renewal in an individual construction company as an issue of handling intra- and inter-organisational issues in both intra- and inter-project environments. Findings – The case study indicates that renewal can be partly handled and managed through long-term business relationships and partly through opening up to new business relationships. Moreover, innovations and learning developed in other projects can be used in the focal project, and due to a repetitive task it is possible for the construction company to use a core network of individuals and organisations to enhance overall renewal among actors. Research limitations/implications – The study needs to be supported by further empirical observations. The paper encourages IMP scholars to further investigate projects from an industrial network approach. Practical implications – The study shows that the internal resources of firms can be used systematically to create continuity in a multi-project organisation, and that relationships can be used to bridge learning and innovation among actors across projects. Originality/value – The paper addresses why firms in fragmented (project-based) businesses might struggle with achieving renewal in a novel way by outlining and investigating four organisational challenges they must handle.

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Luo, Zhiming. "sn-metrizable spaces and related matters." International Journal of Mathematics and Mathematical Sciences 2005, no. 16 (2005): 2523–31. http://dx.doi.org/10.1155/ijmms.2005.2523.

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We give a mapping theorem onsn-metrizable spaces, discuss relationships among spaces with point-countablesn-networks, spaces with uniformsn-networks, spaces with locally countablesn-networks, spaces withσ-locally countablesn-networks, andsn-metrizable spaces, and obtain some related results.

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Journal articles on the topic 'Networks of relationships among sophists'

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