Time series of outgrow indices

Eugene Garfield garfield at CODEX.CIS.UPENN.EDU
Mon Aug 1 14:20:05 EDT 2011

Time series of outgrow indices

Author(s): Hu, XJ (Hu, Xiaojun); Rousseau, R (Rousseau, Ronald); Chen, J 
(Chen, Jin)

Source: JOURNAL OF INFORMETRICS  Volume: 5  Issue: 3  Pages: 413-421  
DOI: 10.1016/j.joi.2011.02.004  Published: JUL 2011  

Abstract: The outgrow index measures to which extent an article outgrows - in 
terms of citations - the references on which it is based. In this article, three 
types of time series of outgrow indices and one outgrow index matrix are 
introduced. Examples of these time series are given illustrating the newly 
introduced concepts. These time series expand the toolbox for citation analysis 
by focusing on a specific subnetwork of the global citation network. It is stated 
that citation analysis has three application areas: information retrieval, 
research evaluation and structural citation network studies. This contribution is 
explicitly placed among structural network studies. (C) 2011 Elsevier Ltd. All 
rights reserved.

Language: English
Document Type: Article
Author Keywords: Structural citation network studies; Outgrow index; Time 
series; Diachronous; Synchronous; Citation analysis; References

Addresses: [Hu, XJ; Chen, J] Zhejiang Univ, Coll Publ Adm, Hangzhou 310027, 
Zhejiang, Peoples R China
[Hu, XJ] Zhejiang Univ, Sch Med, Med Informat Ctr, Hangzhou 310027, 
Zhejiang, Peoples R China
[Rousseau, R] KHBO Assoc KU Leuven, Fac Engn Technol, B-8400 Oostende, 
[Rousseau, R] Univ Antwerp, IBW, B-2000 Antwerp, Belgium
[Rousseau, R] Katholieke Univ Leuven, Dept Math, B-3001 Louvain, Heverlee, 
Reprint Address: Chen, J (reprint author), Zhejiang Univ, Coll Publ Adm, 38 
Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China

E-mail Address: xjhu at zju.edu.cn, ronald.rousseau at khbo.be, cjhd at zju.edu.cn
ISSN: 1751-1577
URL: http://www.sciencedirect.com/science/article/pii/S1751157711000290

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