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|Title:||An informetric model for the Hirsch-index||Authors:||EGGHE, Leo
|Issue Date:||2006||Publisher:||SPRINGER||Source:||SCIENTOMETRICS, 69(1). p. 121-129||Abstract:||The h-index (or Hirsch-index) was defined by Hirsch in 2005 as the number h such that, for a general group of papers, h papers received at least h citations while the other papers received no more than h citations. This definition is extended here to the general framework of Information Production Processes (IPPs), using a source-item terminology. It is further shown that in each practical situation an IPP always has a unique h-index. In Lotkaian systems h = T^(1/α) where T is the total number of sources and α is the Lotka exponent. The relation between h and the total number of items is highlighted.||Keywords:||Hirsch-index, h-index, power laws, Information Production Process (IPP), sources and items||Document URI:||http://hdl.handle.net/1942/943||ISSN:||0138-9130||e-ISSN:||1588-2861||DOI:||10.1007/s11192-006-0143-8||ISI #:||000240477000009||Category:||A1||Type:||Journal Contribution||Validations:||ecoom 2007|
|Appears in Collections:||Research publications|
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