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Influential Users in Social Network Services

Young-Kyu Kim, Dongwon Lee, Janghyuk Lee, Ji-Hwan Lee, Detmar W. Straub
2018 ACM SIGMIS Database the DATABASE for Advances in Information Systems  
Moreover, the value of a connecting user's network position can be contingent on the source user's status and network position: a high-status connecting user contributes more to information diffusion when  ...  Unlike previous studies in the research stream studying patterns of information diffusion, we investigate the role of influential Twitter users, focusing on their positions in social networks, in redistributing  ...  Moreover, the value of a connecting user's network position can be contingent on the source user's status and network position: a high-status connecting user contributes more to information diffusion when  ... 
doi:10.1145/3184444.3184447 fatcat:cznnhgdb3rb4dja6niq7xq5naq

Effects of user behaviors on accumulation of social capital in an online social network

Yuri Rykov, Olessia Koltsova, Yadviga Sinyavskaya, Alexandre Bovet
2020 PLoS ONE  
There is a wide variation in the amount and structure of online ties, and to some extent this variation is contingent on specific online user behaviors which are to date under-researched.  ...  Social network analysis was used to evaluate individual social capital as a network asset, and multiple regression analysis-to determine and estimate the effects of online user behaviors on social capital  ...  Online groups as a source of network brokerage We have found out that the more online groups a user belongs to, the higher his/her network brokerage is, i.e. the more various social milieus a user connects  ... 
doi:10.1371/journal.pone.0231837 pmid:32324820 fatcat:qmsbcdfre5f7tpkmlmdrlg644u

Science models as value-added services for scholarly information systems

Peter Mutschke, Philipp Mayr, Philipp Schaer, York Sure
2011 Scientometrics  
Particular conceptualizations of scholarly activity and structures in science are used as value-added search services to improve retrieval quality: a co-word model depicting the cognitive structure of  ...  The IR use case is seen as a validation model of the adequacy of science models in representing and predicting structure and dynamics in science.  ...  social networks.  ... 
doi:10.1007/s11192-011-0430-x fatcat:66vouhaobjgv3aevcf3pc2jmie

Knowledge Creation Through Mobile Social Networks and Its Impact on Intentions to Use Innovative Mobile Services

Mirella Kleijnen, Annouk Lievens, Ko de Ruyter, Martin Wetzels
2009 Journal of Service Research  
In addition, the impact of this network position on knowledge creation is contingent upon the type of innovative service.  ...  With a sociometric survey, they empirically assess how consumers integrate and connect through mobile social networks, as well as how their network position influences knowledge creation and intentions  ...  Through their knowledge and expertise, they attain higher social status in their social system (Venkatraman 1989) .  ... 
doi:10.1177/1094670509333238 fatcat:n5ddkrcwoffy7o2wuooa2vanfa

A qualitative study of the knowledge-brokering role of middle-level managers in service innovation: managing the translation gap in patient safety for older persons' care

Graeme Currie, Nicola Burgess, Leroy White, Andy Lockett, John Gladman, Justin Waring
2014 Health Services and Delivery Research  
We study knowledge brokering by 'hybrid' middle-level managers (H-MLMs), who hold responsibility for clinical service delivery as well as a managerial role, in the context of falls, medication management  ...  interviews, social network analysis, observation, documentary analysis, tracer studies and focus groups.SettingNHS East and NHS West Midlands.ParticipantsOne hundred and twenty-seven H-MLMs, senior managers  ...  The health-care literature about knowledge brokering is relatively normative, 36 although there is anecdotal evidence about the effectiveness of knowledge brokering in improving the quality and use of  ... 
doi:10.3310/hsdr02320 fatcat:tlxuid2sqraqtmm66og7jck44y

Technologies for Web and cloud service interaction: a survey

Harald Lampesberger
2015 Service Oriented Computing and Applications  
The evolution of Web and service technologies has led to a wide landscape of standards and protocols for interaction between loosely coupled software components.  ...  Cloud computing is the industrialization of service provision and delivery, where Web and enterprise services are converging on a technological level.  ...  The author thanks the anonymous reviewers, Roxana Holom, Tania Nemes, Mircea Boris Vleju, and Philipp Winter for the valuable feedback to improve this work.  ... 
doi:10.1007/s11761-015-0174-1 fatcat:x6thdhdg7rebxa34q6avzgrsma

How do managers and leaders in the National Health Service and social care respond to service user involvement in mental health services in both its traditional and emergent forms? The ENSUE study

Diana Rose, Marian Barnes, Mike Crawford, Edward Omeni, Dee MacDonald, Aaron Wilson
2014 Health Services and Delivery Research  
The focus was on service users' (SUs') interactions with managers and other key decision-makers in the UK NHS and social care.  ...  The theoretical frameworks used were organisational theory and new social movement theory.ObjectivesTo explore the impact of service user involvement in mental health on shaping policy agendas and delivery  ...  Acknowledgements W e would like to acknowledge the help of clinical studies officers from the MHRN in contributing to recruitment for the surveys.  ... 
doi:10.3310/hsdr02100 fatcat:na63suihmzfwtf2mmlur2gs244

A formative evaluation of Collaboration for Leadership in Applied Health Research and Care (CLAHRC): institutional entrepreneurship for service innovation

Andy Lockett, Nellie El Enany, Graeme Currie, Eivor Oborn, Michael Barrett, Girts Racko, Simon Bishop, Justin Waring
2014 Health Services and Delivery Research  
Quantitative social network analysis (SNA) employed a web-based sociometric approach to capture actors' own individual (i.e. ego) networks of interaction across two points in time (2011 and 2013) in the  ...  BackgroundCollaborations for Leadership in Applied Health Research and Care (CLAHRCs) are a time-limited funded initiative to form new service and research collaboratives in the English health system.  ...  Finally, we would like to thank the members of SSAP, and service users, who provided us with invaluable guidance and insight in developing the research and honing our analysis.  ... 
doi:10.3310/hsdr02310 fatcat:wkcwnme4ijafto7ewxui6yt5ga

Personal budgets for all? Implementing self-directed support in mental health services

Sherrie Hitchen, Graham R Williamson, Mary Watkins
2015 Action research  
We define collaboration as "agreeing the facts and conclusions in an ethos of shared knowledge and understanding" (Hitchen, 2007, p. 24).  ...  Health and social care service reform and improvement, and increasing expectation that individuals and communities will collaborate and consult suggests action research has an increasing role in achieving  ...  The service user and carer co-researcher posts were advertised through the service user and carer networks set up by the Trust.  ... 
doi:10.1177/1476750314568207 fatcat:wkphpg3nxrdw7idf5dvgfbzwlm

Policymaking in the Age of Internet: Is the Internet Tending to Make Policy Networks More or Less Inclusive?

R. K. Rethemeyer
2006 Journal of public administration research and theory  
Treating policy networks as a type of interorganizational network, a "socialized" resource dependence framework is developed.  ...  Deployment of the Internet is conceptualized as an exogenous shock, where the shock alters the material resource base of a policy network and allows actors inside and outside the network to challenge structural  ...  Finding 3 The primary users of the Internet are those network members who are highly influential and well positioned structurally.  ... 
doi:10.1093/jopart/mul001 fatcat:v6nwad6xuvg7hiwbqgltfr4rsq

Mobilising knowledge to improve UK health care: learning from other countries and other sectors – a multimethod mapping study

Huw TO Davies, Alison E Powell, Sandra M Nutley
2015 Health Services and Delivery Research  
Few agencies involved service users or members of the public in knowledge mobilisation activities.  ...  in social care and education within the UK; to understand the models, theories and frameworks that underpin the approaches to knowledge mobilisation; and to learn from the success or otherwise of the  ...  We thank Deena Maggs (The King's Fund Information and Library Service) and Janice Tripney (EPPI-Centre, Institute of Education, University of London) for the literature searches.  ... 
doi:10.3310/hsdr03270 fatcat:7o4qjpuojzcf5ihthryndv2qxu

Rethinking resistance to 'big IT': a sociological study of why and when healthcare staff do not use nationally mandated information and communication technologies

Trisha Greenhalgh, Deborah Swinglehurst, Rob Stones
2014 Health Services and Delivery Research  
Previous research in the social sciences, notably sociotechnical systems theory, actor–network theory and normalisation process theory, have considered the human, social and organisational context of technology  ...  This problem is sometimes framed in behaviourist terms, depicting the intended user of technology as a rational actor whose resistance stems from Luddism and/or ignorance, and viewing solutions in terms  ...  disease management templates in general practice), excerpts and adaptations of which are included in this report.  ... 
doi:10.3310/hsdr02390 fatcat:mwboj6dpsjgrda6kdcris3iarq

Getting the most out of knowledge and innovation transfer agents in health care: a qualitative study

Alison Bullock, Emma Barnes, Zoe Slote Morris, Jill Fairbank, John de Pury, Rosamund Howell, Susan Denman
2016 Health Services and Delivery Research  
There is growing use of health service–academic–industry collaborations in the UK, with knowledge brokers linking producers with the users of knowledge and innovation.AimFocusing on KIT 'agent' roles within  ...  Academic Health Science Networks in England and Partnerships in Wales, we show how individual dispositions, processes and content contribute to desired outcomes.MethodsWe studied the KIT intentions of  ...  Contributions of authors Jill Fairbank (Universities UK) was involved in the data collection and analysis, and in the preparation of the report.  ... 
doi:10.3310/hsdr04330 fatcat:toj4mnafwzhsbkehem5mmvgj2u

A primary definer online: the construction and propagation of a think tank's authority on social media

Nick Anstead, Andrew Chadwick
2017 Media Culture and Society  
In essence, this is the core group of powerful-and powerfully-connected-tweeters in the network.  ...  Its advantage over simpler measures like in-degree is that it assumes an actor's centrality is based on the centrality values of those to whom an actor is connected.  ... 
doi:10.1177/0163443717707341 fatcat:6zhamrtbkjdnvfvdkntclh6yly


Fumihiko Isada, Yuriko Isada
2018 International Journal of Business & Management  
of social network analysis.  ...  The sharp rise in health-care costs is compressing the public finance in various countries today, and an increase in the efficiency of the research and development of pharmaceutical products is required  ...  Applications include identifying the most influential person(s) in a social network, key infrastructure nodes in the Internet or urban networks and super-spreaders (of disease).  ... 
doi:10.20472/bm.2018.6.1.002 fatcat:fqo7nazovvdajcvo5wjykwmmgy
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