Scientometrics
Volume/Issue:
Volume 81: Issue 1
How old is the Web? Characterizing the age and the currency of the European scientific Web
Authors: José Ortega 1 , Viv Cothey 2 , and Isidro Aguillo 1
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  • 1 IEDCYT-CSIC Cybermetrics Lab Albasanz, 26-28 28037 Madrid Spain
  • | 2 University of Wolverhampton School of Computing and Information Technology Lichfield Street Wolverhampton WV1 1SB UK
Pages:
295–309
Online Publication Date:
21 Apr 2009
Publication Date:
01 Oct 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s11192-008-2149-x
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Abstract  

The aim of this paper is to model and study the age of the Web using a sample of about four million of web pages from the 16 European Research Area countries obtained during 2004 and 2005. Web page time-stamp (date when the web pages were created or last changed for last time), format and size in bytes data have been analysed. Several indicators are introduced to measure longitudinal aspects of the Web. Half-age is proposed as a measure of the age distribution because this is found to be exponential. “Web Update Index” and “Lifespan Index” are introduced to measure the changing rate of a small sample over time. Results show that the British Web space has the youngest Web pages while the Greek and Belgian ones have the oldest. The study also compared Web pages topics and found that Biology pages are more stable than Physics pages.

Cover Scientometrics
Scientometrics
Print ISSN:
0138-9130
Online ISSN:
1588-2861

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Scientometrics
Language English
Size B5
Year of
Foundation		 1978
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0138-9130 (Print)
ISSN 1588-2861 (Online)

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