Eine neue Seite des open-access.net unterrichtet über OA-Suchmaschinen:

http://open-access.net/de/recherche/oasuchmaschinen/

Meine Ausführungen zu Open-Access-Suchen im Juni 2009 wurden ignoriert.

http://archiv.twoday.net/stories/5780759/ (BASE)

http://archiv.twoday.net/stories/5777050/ (PDF-Aufsätze in Schriftenservern)

http://archiv.twoday.net/stories/5776766/ (OpenDOAR)

Zu OpenDOAR heute in INETBIB:
http://www.ub.uni-dortmund.de/listen/inetbib/msg41022.html

Ich halte es nicht für vertretbar, in einer wertenden Zusammenstellung zu verschweigen, dass OpenDOAR in nicht nachvollziehbarer Weise nur eine Auswahl der Google-Treffer bietet.

Suche nach lorch meisterlin ergibt via Google Websuche 23 Treffer

http://www.google.com/search?q=site:www.archive.org+lorch+meisterlin

OpenDOAR: 7 Treffer, ohne dass die Möglichkeit besteht, weitere anzufordern.

Nun betrifft das die Treffer im Internetarchiv, aber eine Phrasen-Suche nach "Heinrich Bebel" zeigt, dass Treffer, die auf der Site Freidok von der Websuche gefunden werden, bei OpenDOAR fehlen (Herding; Mertens, Germania; Graf, Hug u.a.m.)

Antwort von OpenDOAR 25.11.2009

"The problems you describe with OpenDOAR Content Search are unfortunate,
but are shared by all applications that use the Google Custom Search
Engine (CSE). The parallel content search service run by our colleagues
at ROAR (http://roar.eprints.org/index.php?action=google) behaves in
exactly the same way, yielding the same (partial) results.

There are two possible solutions. The first is to get Google to fix the
limitations of the CSE. This is something over which we have little, if
any influence.

The second option would be for us to build our own content database,
although only 67% of the repositories listed in OpenDOAR are harvestable
using OAI-PMH. We do not have the resources to build such a database,
nor do is it something we wish to do. OpenDOAR Content Search is
primarily a demonstration system.

OpenDOAR is intended to help third party services such as BASE and
OAIster with their harvesting, and we would always recommend these
services to users in preference to OpenDOAR Content Search.

Feel free to post my reply to your blog as comments. With a bit of luck
Google will see them and take the necessary remedial action.

Regards

Peter Millington

SHERPA Technical Development Officer
Greenfield Medical Library, University of Nottingham, Queen's Medical
Centre, Nottingham, NG7 2UH, England "