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We are constantly adding new indexing improvements to DSpace.  In order to ensure your site gets all of these improvements, you should strive to keep it up-to-date. For example:

  • As of DSpace 4.0, DSpace has provided several enhancements, which were requested by the Google Scholar team. These included providing users (and web indexers) a way to browse content by the date it was added to DSpace (see DS-1482), ensuring the "dc.date.issued" field is set more accurately (see DS-1481), and enhancing the logic behind the "citation_pdf_url" HTML <meta> tag (see DS-1483)
  • As of DSpace 1.7, DSpace has improved how its Item-level metadata is made available to Google Scholar. For the 1.7.0 release, the DSpace Developers worked directly with the Google Scholar developers, to ensure DSpace is generating the "citation_*" HTML "<meta>" tags (i.e. Highwire Press tags) that Google Scholar recommends in their Indexing Guidelines.
  • As of DSpace 1.5, DSpace has support for sitemaps (both simple HTML pages of links, as well as the sitemaps.org protocol). It also includes item metadata in the HTML HEAD element of item display pages, ensuring that the metadata can be effectively indexed no matter what changes you might have made to your DSpace's layout or style.
  • As of DSpace 1.4, DSpace has support for the "if-modified-since" HTTP header. This basically means that if an item (or bitstream therein) has not changed since the last time a search engine's crawler indexed it, that item/bitstream does not have to be re-retrieved, sparing your server.

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