The stability of co-authorship structures
Cugmas, Marjan (Author), Ferligoj, Anuška (Author), Kronegger, Luka (Author)

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This article examines the structure of co-authorship networks' stability in time. The goal of the article is to analyse differences in the stability and size of groups of researchers that co-author with each other (core research groups) formed in disciplines from the natural and technical sciences on one hand and the social sciences and humanities on the other. The cores were obtained by a pre-specified blockmodeling procedure assuming a multi-core-semi-periphery-periphery structure. The stability of the obtained cores was measured with the Modified Adjusted Rand Index. The assumed structure was confirmed in all analysed disciplines. The average size of the cores obtained is higher in the second time period and the average core size is greater in the natural and technical sciences than in the social sciences and humanities. There are no differences in average core stability between the natural and technical sciences and the social sciences and humanities. However, if the stability of cores is defined by the splitting of cores and not also by the percentage of researchers who left the cores, the average stability of the cores is higher in disciplines from the scientific fields of Engineering sciences and technologies and Medical sciences than in disciplines of the Humanities, if controlling for the networks' and disciplines' characteristics. The analysis was performed on disciplinary co-authorship networks of Slovenian researchers in two time periods (1991-2000 and 2001-2010).

Keywords:Social networks, Blockmodeling, Scientific research, Cooperation
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:FDV - Faculty of Social Sciences
Number of pages:str. 163-186
Numbering:Vol. 106, no. 1
ISSN on article:0138-9130
DOI:10.1007/s11192-015-1790-4 Link is opened in a new window
COBISS.SI-ID:33687901 Link is opened in a new window
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Record is a part of a journal

Shortened title:Scientometrics
Publisher:Elsevier, Akadémiai Kiadó
COBISS.SI-ID:1252362 New window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Funding Programme:Raziskovalni projekti - temeljni
Project no.:J5-5537
Name:Omrežja sodelovanj v slovenski znanosti
Project ID:info:eu-repo/grantAgreement/ARRS/Raziskovalni projekti - temeljni/J5-5537

Secondary language

Keywords:Družbena omrežja, Bločno modeliranje, Znanstveno raziskovanje, Sodelovanje

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