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https://jira.duraspace.org/browse/DS-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=27677#comment-27677
 ] 

Graham Triggs commented on DS-1482:
-----------------------------------

I thought this is why we have the sitemaps? If you look at a sitemap, for every 
item we give the lastmod date as part of the sitemap entry (but not collection 
/ community, as we don't have that information).

Retrieving those sitemaps are fast (pre-generated), and it's pretty trivial to 
either work out from the lastmod date is newer than the last indexed date - or 
even if it is more recent that the previous time the sitemap was accessed (new 
item).
                
> Add a way for harvesters to find recently added items (request from Google)
> ---------------------------------------------------------------------------
>
>                 Key: DS-1482
>                 URL: https://jira.duraspace.org/browse/DS-1482
>             Project: DSpace
>          Issue Type: New Feature
>            Reporter: Tim Donohue
>
> This request came out of a discussion I had with Anurag Acharya and Darcy 
> Darpa at Google / Google Scholar.
> Anurag mentioned that often the Google harvesters seem to need to do a lot of 
> "paging / clicking" in order to find new items in a DSpace instance.  This 
> can cause both a performance hit in DSpace (as the crawler keeps requesting 
> pages), and also can result in delays where items may not appear in Google 
> for some time (if the crawler gives up or moves on before it ever finds the 
> item).
> Anurag mentioned that it'd be much easier (both on DSpace performance and on 
> the Google crawlers), if DSpace provided some way to easily locate recently 
> added items.  
> This could be something like a "Browse Recently Added Items" (i.e. browse by 
> dc.date.accessioned), or similar.  It was noted that EPrints has such a 
> feature (called "Latest Additions").  For example, see their demo site:
> http://demoprints.eprints.org/cgi/latest
> It's also worth noting this could just be as simple as adding a "More...." 
> Option to our existing "Recently Added" list (of 5 items), so that you can 
> see other recently added items.

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