Search Results

You are looking at 91 - 100 of 310 items for :

  • Mathematics and Statistics x
  • Refine by Access: All Content x
Clear All

3,972 Child 304 Male 3,902 Aged, 80 and over 270

Restricted access

, countries, languages and kinds of papers; the number of citations of each paper in the first 5 years after publication; the first-cited age of the paper, which is the time interval between paper's publication year and its first citation year; and the first

Restricted access

are. One potential treatment of this problem is to introduce some artificial ageing of publications to reduce the rate at which older publications are cited. Yu et al. ( 2009 ) modified the standard attachment kernel by including an exponential

Restricted access

mentioned, Thomson Reuters finally added the 5 years window. The citation obsolescence issue (“aging”) is a classics in scientometrics and its variation across fields pleads for a disciplinary modulation of the citation window (Vanclay 2009 ; Vieira and

Restricted access

, have differing research interests, and various levels of institutional and peer support. Trainee physicians may be highly motivated to succeed in their field of interest but as a consequence of their young ‘research age’ they may have few scientific

Restricted access

and forename, decisions were made based on other information such as their place of work, job position and age. Teachers whose surnames had apparently changed through marriage were connected manually. Various other processes were performed to

Restricted access

avPRI*IF Average product of PRI* by journal IF (per author) 14 sumC/y Sum of age-corrected citations (per author

Restricted access
Scientometrics
Authors:
Eleni Fragkiadaki
,
Georgios Evangelidis
,
Nikolaos Samaras
, and
Dimitris A. Dervos

example, there have been variations of the h-index that take into account: (a) the total number of citations included in the Hirsch-core (A-index, R-index) (Jin et al. 2007 ), (b) the age of the publications included in the Hirsch-core (AR-index) (Jin et

Restricted access

age where online databases abound and almost all knowledge is electronically cross-referenced, it is important to recognise that pioneering bibliometricians operated in a considerably more basic environment. Personal computers did not exist, and as a

Restricted access

economy. 10 Perez ( 2002 ) demonstrated five series of Kondratieff waves: the industrial revolution (1771), the age of steam and railways (1829), the age of steel, electricity and heavy engineering (1875), the age of oil

Restricted access