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New Technology of Library and Information Service  2009, Vol. Issue (10): 56-61    DOI: 10.11925/infotech.1003-3513.2009.10.10
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Domestic Information Services Research Concept Network Analysis Based on Complex Network Method
Wang Jiandong
(Department of Information Management, Peking University, Beijing 100871,China)
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Abstract  

 Based on the keywords in the 11 261 papers in the field of information services from CNKI, this paper constructs an undirected weighting network which contains 6 401 vertices(keywords) and 21 007 edges using co-word analysis, and verifies that the network has the characters of scale free and small world. The index of degree centrality and betweenness centrality of vertices in the network are calculated, and a method of detecting cross concept in the network is introduced. Finally, using the G-N clustering algorithm, the paper performs a cluster analysis on the domestic information services research concept network, and divides the research field into 7 different branches.

Key wordsInformation services      Complex network      Co-word analysis      Degree centrality      Betweenness centrality      G-N clustering algorithm     
Received: 24 June 2009      Published: 25 October 2009
: 

G350

 
Corresponding Authors: Wang Jiandong     E-mail: zs.wagner@yahoo.com.cn
About author:: Wang Jiandong

Cite this article:

Wang Jiandong. Domestic Information Services Research Concept Network Analysis Based on Complex Network Method. New Technology of Library and Information Service, 2009, (10): 56-61.

URL:

http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2009.10.10     OR     http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2009/V/I10/56

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