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From cut-points to key players in co-authorship networks: a case study in ventilator-associated pneumonia research

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From cut-points to key players in co-authorship networks: a case study in ventilator-associated pneumonia research

dc.contributor.author	González Alcaide, Gregorio
dc.date.accessioned	2023-11-18T08:32:24Z
dc.date.available	2023-11-19T05:45:09Z
dc.date.issued	2020	es_ES
dc.identifier.uri	https://hdl.handle.net/10550/91247
dc.description.abstract	In co-authorship networks, some nodes play the key role of cut-point, facilitating the integration of other authors and favoring connectivity among different research communities. The present study uses bibliometric and network embeddedness indicators to analyze the scientific activity on ventilator-associated pneumonia and the roles of 17 research communities and 30 cut-points therein. In addition to fostering network connectivity and cohesion, cut-points are characterized by other differential features compared to other authors, including a much higher level of productivity and greater participation in leadership positions, higher betweenness values, lower clustering coefficients and higher levels of constraint. The cut-points identified have different characteristics in terms of the connectivity they facilitate between research communities: some cut-points have established weak intercommunity ties in the form of bridges with a single author from a different community; in other cases, they serve as gatekeepers due to their connection with different authors of a community that they link with their own; cut-points may also act as structural folds, that is, actors with an overlapping role between two cohesive communities. The cut-points present very diverse connectivity degrees, with some cut-points whose elimination would provoke severe network fragmentation and others who are responsible for linking far fewer external authors to their network. The cut-points that present both the main mechanisms for obtaining social capital—that is, filling structural holes and participating in cohesive network structures—can be considered key actors/players because their participation is crucial for ensuring both integration into the main research focus of some communities with high research performance and the overall cohesion of a co-authorship network.	es_ES
dc.language.iso	en	es_ES
dc.publisher	Springer	es_ES
dc.source	González-Alcaide, G., Pinargote, H., & Ramos, J. M. (2020). From cut-points to key players in co-authorship networks: a case study in ventilator-associated pneumonia research. Scientometrics, 123, 707-733. Doi: 10.1007/s11192-020-03404-w	es_ES
dc.subject	Pneumonia	es_ES
dc.subject	Research performance	es_ES
dc.subject	Connectivity roles	es_ES
dc.subject	Bridges	es_ES
dc.subject	Gatekeepers	es_ES
dc.subject	Brokers	es_ES
dc.title	From cut-points to key players in co-authorship networks: a case study in ventilator-associated pneumonia research	es_ES
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::CIENCIAS MÉDICAS ::Medicina interna	es_ES
dc.subject.unesco	UNESCO::LINGÜÍSTICA::Lingüística aplicada::Documentación	es_ES
dc.identifier.doi	10.1007/s11192-020-03404-w	es_ES
dc.accrualmethod	-	es_ES
dc.embargo.terms	0 days	es_ES
dc.type.hasVersion	AO	es_ES
dc.rights.accessRights	open access	es_ES