[OAI-implementers] Selective Harvesting OAI-PMH Global Harvesters

[Kat Hagedorn]

Hello Atanu,

The best method for accessing what you need from OAIster is to do
appropriate searches* , determine which repositories have records that will
suit your purposes (column on the left side of the results page), and then
ask me for a list of the OAI baseURLs of those repositories. Alternatively,
you can try and find those repositories at:
http://gita.grainger.uiuc.edu/registry, but asking me may prove easier and
faster.

* e.g., a search for "ethic*" in the Subject field in OAIster yields 10,417
records, but that may be too narrow a search for you

Please let me know if you have further questions.

Regards,
 -Kat

-------------------
Kat Hagedorn 
OAIster/Metadata Harvesting Librarian
DLXS Bibliographic Class Coordinator
Digital Library Production Service
University of Michigan

http://www.oaister.org/
http://www.dlxs.org/
email: khage at umich.edu
phone: 734-615-7618


On 8/7/08 8:56 AM, "Atanu Garai" <atanugarai.lists at gmail.com> wrote:

> *Apologies for cross-posting*
> 
> Dear Colleagues
> 
> Globethics.net intends to harvest all ethics related metadata from
> open repositories around the world and interpolate the same as part of
> the digital library. We feel that this would be a great service towards
> fulfilling the information and knowledge needs and exchange for the
> global ethics community. In so doing, we have studied few alternatives
> and solutions, as given below:
> 
> 1. OAI-PMH 2.0 specification and implementation guidelines:
> The original OAI-PMH 2.0 specification and implementation guideline for
> 'service providers' like harvesters/aggregators provides steps towards
> implementing harvesting engine. The only way to provide subject (or
> keyword) related metadata retrieval, according to this guideline, is to
> specify the subject in the Set. A closer examination in the set-spec,
> as available in the ROAR
> (http://roar.eprints.org/) tells us that 'ethics'
> as subject does not appear in the data providers that I have surveyed
> so far. The conclusion is that using OAI-PMH 2.0 implementation
> guidelines we will not be able to harvest metadata in this domain in an
> optimal fashion.
> 
> 2. The second strategy is the strategy followed by AVANO -
> http://www.ifremer.fr/avano/ - a harvester in the domain of aquatic and
> marine sciences. Essentially, they aggregate all the metadata in a
> temporary (internal) database, run a search query and then interpolate
> the relevant records onto their AVANO public interface. This is a
> advantageous proposition for subject-specialist harvester, but we are
> constrained by resources to implement this strategy.
> 
> 3. The third way, which I have not found any implementation example so
> far, is to take the relevant metadata from already existing global
> harvesters like OAI and interpolate into Globethics..net server. The
> current global harverster that we are examining are - OAISTER and
> Scientific Commons. However, I would like to know the possible
> standardized mechanisms by which we can take relevant (searching with
> the word 'ethics' in Scientific Commons gets 75000+ records) metadata from
> these harvestors and ingest in our database.
> 
> Thank you for your time to reflect on this issues.
> 
> Regards
> Atanu Garai
> Globethics.net
> International Secretariat
> 150, route de Ferney
> CH-1211 Geneva 2
> Switzerland
> Tel.: +41 22 791 62 49
> Fax: +41 22 710 23 86
> Web: www.globethics.net
> 
> 
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-------------------
Kat Hagedorn 
OAIster/Metadata Harvesting Librarian
DLXS Bibliographic Class Coordinator
Digital Library Production Service
University of Michigan

http://www.oaister.org/
http://www.dlxs.org/
email: khage at umich.edu
phone: 734-615-7618