Analyzing the research output presented at European Networked Knowledge Organization Systems workshops (2000-2015)
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This document analyzes the research output presented at European Networked Knowledge Organization Systems (NKOS) workshops from 2000-2015. The authors compiled a bibliography of 171 papers presented by 218 authors. They analyzed the co-authorship network and found one large component with many authors connected, and smaller components with isolated co-authorships. Authors with the highest centrality, like degree and betweenness, were typically in the large component and helped transfer information in the network. Future work could extend the analysis to include more publications and citation data to better understand topic development over time.
Analyzing the research output presented at European Networked Knowledge Organization Systems workshops (2000-2015)
- 1. Analyzing the research output presented at European Networked Knowledge Organization Systems workshops (2000-2015) Fakhri Momeni, Philipp Mayr NKOS workshop @TPDL 2016 Hannover, Germany September 9, 2016 http://ceur-ws.org/Vol-1676/paper1.pdf
- 2. Introduction 2 • Research communities and topics evolve over time • More researchers work more and more collaboratively http://scimaps.org/mapdetail/stream_of_scientific_128 By Olivier H. Beauchesne
- 3. Motivation • European NKOS network has held a long-running series of annual workshops at ECDL & TPDL • NKOS research output has never been subject to analysis – Esp. the (informal) research output of the Europ. NKOS community • Most workshop output has never published as formal publications – Except 4 special issues • Having the 15th iteration of the workshop series we started to analyze the past research output 3
- 4. NKOS workshop bibliography • We checked all workshop published programmes and compiled a bibliography of past NKOS workshops • Manual author name disambiguation of each author entries • The bibliographic data as bibtex files are available 4 @inproceedings{ECDLDoerr2000, author = {Martin Doerr}, title = {Thesaurus Mapping}, year = {2000}, venue = {European Conference on Digital Libraries}, location = {Lisbon, Portugal}, url = {http://nkos.slis.kent.edu/doerr_ecdl00abstract.ht m} } @inproceedings{TPDLIndarto2013, author = {Eko Indarto, Andrea Scharnhorst, Marat Charlaganov}, title = {An Extensible Recommendation System to support Trusted Digital Repositories}, year = {2013}, venue = {Theory and Practice of Digital Libraries}, location = {Valletta, Malta}, url = {https://at- web1.comp.glam.ac.uk/pages/research/hypermedia /nkos/nkos2013/content/NKOS2013_indarto.pdf}
- 6. NKOS workshop bibliography 6 Average 1.9 authors per paper average 2.3 authors In total: 171 papers and 218 distinct authors TPDL 2016 – 7 papers
- 7. Analysis and Measures • We describe the network with standard network analytic measures (implemented in Pajek) • Degree is the number of nodes that a focal node is connected to and measures the involvement of the node in the network • Betweenness assesses the degree to which a node lies on the shortest path between two other nodes and is able to funnel the flow in the network • In the authorship-network the author with a high betweenness has a large influence on the transfer of information in the network 7
- 8. Results 8 • Each author has at least one co- author • 31 components • 33 authors with no co-authors • One relatively large component, many smaller components and many isolated co- authorships or triples
- 9. Results • … 9 • 68 authors (31% of all authors) are connected • Most authors have co- authored once • Few central authors with high degree The largest component
- 10. 10The next two largest components
- 11. Results 11 • … Distribution of degree numbers of authors in the network Authors with high degree
- 12. Results 12 Authors with betweenness more than 0.001 Authors with high degree
- 13. Conclusions • Most authors with highest centrality (degree and betweenness) are in the largest component • Typical coauthorship network with one relatively large component, many smaller components and many isolated co-authorships or triples – Typical for small communities • NKOS workshops were successful in bringing researchers from different domains together 13
- 14. Limitations • US NKOS community have not been included • No bibliometric data available 14
- 15. Future Work • Extend the analysis of the NKOS network • Complement the data set • Start the analysis of the development of topics in titles and abstracts of the presentations and papers • Extracting central topics • Connecting topics with authors • Gather more formal publications and include citation data 15
- 16. Thank you! • Please consider to contribute to the NKOS Bibliography https://github.com/PhilippMayr/NKOS-bibliography Contact: Philipp Mayr GESIS - Leibniz Institute for the Social Sciences Unter Sachsenhausen 6-8, 50667 Cologne, Germany philipp.mayr@gesis.org 16
Editor's Notes
- #2: 25min