Harvesting And Search Engines

Harvesting of repository records is not an automatic process.
Harvesting is based around OAI records which need to be created or extracted from metadata within a repository.
This can be done globally or selectively. Typically the harvested records are prepared and stored in a directory and the location is then passed to the intended harvesting agent so that collection can take place. Harvestors often require OAI records specifically prepared to match their unique requirements.

ADS (ARROW Discovery Service)

ADS uses OAI harvesting.
Help and information is available by email [ADS contact|mailto:arrow@nla.gov.au]


This uses OAI harvesting
Help and information is available at: [Link|http://www.oaister.org/dataproviders.html]

Picture Australia

This uses OAI harvesting and in addition will require the supply of image thumbnails
Help and information is available at: [Link|http://www.pictureaustralia.org/contribute/index.html]


Search engines typically crawl / interogate repositories to retrieve information/metadata and links which are added to their own stored information. This information is then used to create search results. Some search engines will find your repository them selves and others need to be alerted.


The default settings in VITAL allow Google to automatically crawl your repository.
Your system administrator can turn this off, see: ''VITAL Systems Management and Configuration : Reference Guide''

Google Scholar

Google Scholar will not automatically crawl a VITAL repository and so content will not automatically appear.
Google Scholar was originally conceived to expose cited publications from publishers’ websites and Libraries, (at the time of writing) and so may not accept sites (IRs) that contain non-citable content.
Help, FAQs and information is available at: Google Scholar Help Center

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