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https://issues.apache.org/jira/browse/NUTCH-2586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16542898#comment-16542898
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Tim Allison commented on NUTCH-2586:
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Is this better handled at the Tika level...or is this something we should also
add to Tika?
> Add a fallback mechanism for missing meta tags
> ----------------------------------------------
>
> Key: NUTCH-2586
> URL: https://issues.apache.org/jira/browse/NUTCH-2586
> Project: Nutch
> Issue Type: New Feature
> Reporter: Gerard Bouchar
> Priority: Major
>
> While using nutch, we faced the following issue: some web pages miss a
> "description" meta tag, but include an "og:description" meta (using the
> [open graph protocol|http://ogp.me/]).
> Here are two examples:
> *
> http://imagenesdelavirgenmaria.com/17-imagenes-de-la-virgen-maria-de-guadalupe/
> *
> http://mixcdsource.com/product/dj-arson-dj-sin-cerothe-hit-list-18-5-reggaeton-edition/
> It would be nice to have a configurable list of fallback meta tags to use
> when the main meta tag is absent. Something that would allow us to specify,
> in the configuration, "when the 'description' meta is missing, use
> 'og:description', when 'title' is missing, use 'og:title', etc..." .
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