Scopus hit counts shrinking for same query

[Loet Leydesdorff]

	 Results	 Source	 Actions	 

6.  	AFFIL(hawai) 	2,142
<http://www.scopus.com/search/history/results.url?origin=searchhistory&shid=
6> 	 Scopus 	
  <http://www.scopus.com/static/images/s.gif> 	Edit
<http://www.scopus.com/search/history/edit.url?shid=6> 	  | 	 Save
<http://www.scopus.com/search/history/save.url?shid=6> 	  |  	Set
<https://www.scopus.com/search/history/alert.url?shid=6> Alert 	 |
<http://www.scopus.com/results/rss/handler.url?searchHistoryId=6> Create RSS
feed for this search 	 	
5.  	(AFFIL(hawai)) AND NOT (AFFIL(hawai)) 	0
<http://www.scopus.com/search/history/results.url?origin=searchhistory&shid=
5> 	 Scopus 	
  <http://www.scopus.com/static/images/s.gif> 	Edit
<http://www.scopus.com/search/history/edit.url?shid=5> 	  | 	 Save
<http://www.scopus.com/search/history/save.url?shid=5> 	  |  	Set
<https://www.scopus.com/search/history/alert.url?shid=5> Alert 	 |
<http://www.scopus.com/results/rss/handler.url?searchHistoryId=5> Create RSS
feed for this search 	 	
4.  	AFFIL(hawai) 	1,860
<http://www.scopus.com/search/history/results.url?origin=searchhistory&shid=
4> 	 Scopus 	
  <http://www.scopus.com/static/images/s.gif> 	Edit
<http://www.scopus.com/search/history/edit.url?shid=4> 	  | 	 Save
<http://www.scopus.com/search/history/save.url?shid=4> 	  |  	Set
<https://www.scopus.com/search/history/alert.url?shid=4> Alert 	 |
<http://www.scopus.com/results/rss/handler.url?searchHistoryId=4> Create RSS
feed for this search 	 	
3.  	AFFIL(hawai) 	2,022
<http://www.scopus.com/search/history/results.url?origin=searchhistory&shid=
3> 	 Scopus 	
  <http://www.scopus.com/static/images/s.gif> 	Edit
<http://www.scopus.com/search/history/edit.url?shid=3> 	  | 	 Save
<http://www.scopus.com/search/history/save.url?shid=3> 	  |  	Set
<https://www.scopus.com/search/history/alert.url?shid=3> Alert 	 |
<http://www.scopus.com/results/rss/handler.url?searchHistoryId=3> Create RSS
feed for this search 	 	
2.  	AFFIL(hawai) 	1,910
<http://www.scopus.com/search/history/results.url?origin=searchhistory&shid=
2> 	 Scopus 	
  <http://www.scopus.com/static/images/s.gif> 	Edit
<http://www.scopus.com/search/history/edit.url?shid=2> 	  | 	 Save
<http://www.scopus.com/search/history/save.url?shid=2> 	  |  	Set
<https://www.scopus.com/search/history/alert.url?shid=2> Alert 	 |
<http://www.scopus.com/results/rss/handler.url?searchHistoryId=2> Create RSS
feed for this search 	 	
1.  	AFFIL(hawai) 	1,843
<http://www.scopus.com/search/history/results.url?origin=searchhistory&shid=
1> 	 Scopus 	
 
You are right: one does not seem to obtain the same results twice. 
 
Best wishes, 
 
 
Loet
 
  _____  

Loet Leydesdorff 
Amsterdam School of Communications Research (ASCoR), 
Kloveniersburgwal 48, 1012 CX Amsterdam. 
Tel.: +31-20- 525 6598; fax: +31-20- 525 3681 
 <mailto:loet at leydesdorff.net> loet at leydesdorff.net ;
<http://www.leydesdorff.net/> http://www.leydesdorff.net/ 

 


  _____  

From: ASIS&T Special Interest Group on Metrics
[mailto:SIGMETRICS at listserv.utk.edu] On Behalf Of Peter Jacso
Sent: Monday, May 18, 2009 9:48 PM
To: SIGMETRICS at listserv.utk.edu
Subject: [SIGMETRICS] Scopus hit counts shrinking for same query



I spotted Scopus producing very different (mostly shrinking number of) hit
counts for identical queries when repeated minutes later, i.e. 

     hawaii 115,295 then when repeated 

     hawaii 112,798

I spotted this Sunday evening (after the MLA exhibit hall closed here). I
e-mailed the Amsterdam office as it was Monday morning there, but I received
no reply.

I would not be much concerned about a temporary dementia but I have done
quite a number  of searches the days before on Scopus for a research paper,
and I wonder if anyone has spotted this problem already last week, making my
earlier results invalid. 

Thanks

peter jacso 

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