[Thomson Reuters response to Larsen & von Ins (in press)

[chessnic at COMPUSERVE.COM]

In the 1990s, as editor of PUBLISHING RESEARCH JOURNAL, I invited a number of articles on scholarly databases that demonstrated the growth of science publication (28 were collected and reissued under the title ELECTRONIC DATABASES AND PUBLISHING (1998)). 

SCI was not a candidate because it had limited its coverage -- perhaps to contain production costs but with the stated rationale that only the most cited publications were of interest.

Best wishes,

Albert Henderson


 

-----Original Message-----
From: Pikas, Christina K. <Christina.Pikas at JHUAPL.EDU>
To: SIGMETRICS <SIGMETRICS at LISTSERV.UTK.EDU>
Sent: Mon, May 3, 2010 12:37 pm
Subject: Re: [SIGMETRICS] [Thomson Reuters response to Larsen & von Ins (in press)]


Ok. This indicates that I’mnot the only one who is confused. I only have access to the online version, nothaving licensed a CD-ROM for my analysis work.
-  Apparently it’snot correct to say that SCIE is the online version of SCI.  Is there anoffline batch download or mail-a-hard-drive version of the SCIE? 
- Do the national labs and othersthat have locally loaded versions get the SCI or SCIE?
- You all seriously still PRINTthe SCI?  Really? Wow. (not a serious question)
- Presumably which version you’reusing makes a huge difference to your analysis and conclusions – do allauthors indicate which they’re using (I know some do)?
- Are the National ScienceIndicators really using SCI or really using SCIE? I know some Europeancountries use Thomson Reuters data – are they all using the same data?All SCI, all SCIE, some of each, no one knows?
 
Christina Pikas
 
 
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Christina K Pikas
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The Johns Hopkins University Applied Physics Laboratory
Christina.Pikas at jhuapl.edu
(240) 228 4812 (DC area)
(443) 778 4812 (Baltimore area)
 
 
 
 

From: ASIS&T SpecialInterest Group on Metrics [mailto:SIGMETRICS at listserv.utk.edu] On Behalf Of JamesTesta
Sent: Monday, May 03, 2010 11:30 AM
To: SIGMETRICS at listserv.utk.edu
Subject: [SIGMETRICS]

 
Adminstrativeinfo for SIGMETRICS (for example unsubscribe):http://web.utk.edu/~gwhitney/sigmetrics.html 
This is  in response to Therate of growth in scientific publications and the decline in coverage providedby Science Citation Index by Peder Olsesen Larsen and Markus von Inus1. WhileI strongly agree that citation indexes should reflect the current trends in thescholarly publishing community, I must disagree with their findings becausethey are not based on accurate data. 
 
The Authors have derived theirfigures and conclusions from the SCI (Science Citation Index), a subset of theSCIE (Science Citation Index Expanded).  The SCI is intentionallycultivated to be a relatively small collection of high impact journals andexcellent regional journals.  The SCIE, on the other hand,  is acomprehensive citation index covering all science journals selected by ThomsonReuters through its Journal Selection Process.  Additionally, the authorsdid not take into account that conference proceedings are indexed primarily inthe CPCI (Conference Proceedings Citation Index), at a rate of nearly 400,000records from approximately 12,000 conferences each year. 
 
I have provided a brief commentarythat describes and quantifies the content of the major indexes in the Web ofScience. I would invite the authors and any others who are interested to viewit here.I welcome any feedback or further discussion on the subject. 
 
1.       Larsen,P.O. and vo Ins, M. "The rate of growth in scientific publications and thedecline of coverage provided by Science Citation Index."  Scientometrics.Online First, published 10 March 2010.   DOI:10.1007/s11192-010-0202-z
 
 
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JamesTesta
VP Editorial Development & Publisher Relations
 
Thomson  Reuters
 
O+1 215 823 1701
F+1 215 387 4214
 
 
james.testa at thomsonreuters.com
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scientific.thomsonreuters.com
 
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