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https://issues.apache.org/jira/browse/NUTCH-693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12847291#action_12847291
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Andrzej Bialecki  commented on NUTCH-693:
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Thanks for the pointer to the article. Indeed, the issue is muddy at best. So 
far Nutch adhered to a strict interpretation, where the links with this 
attribute are deleted from page outlinks immediately (so they are not only not 
followed but also don't affect out-degree metrics). If there is a general 
agreement in Nutch community towards relaxing this behavior we can further 
develop this patch - at the moment I don't see such support. Consequently, I 
propose to discuss it and in the meantime to move this issue to a later release.

> Add configurable option for treating nofollow behaviour.
> --------------------------------------------------------
>
>                 Key: NUTCH-693
>                 URL: https://issues.apache.org/jira/browse/NUTCH-693
>             Project: Nutch
>          Issue Type: New Feature
>            Reporter: Andrew McCall
>            Assignee: Otis Gospodnetic
>            Priority: Minor
>         Attachments: nutch.nofollow.patch
>
>
> For my purposes I'd like to follow links even if they're marked nofollow- 
> Ideally I'd like to follow them, but not pass the link juice between them. 
> I've attached a patch that adds a configuration element 
> parser.html.outlinks.ignore_nofollow which allows the parser to ignore the 
> nofollow elements on a page. 

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