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https://issues.apache.org/jira/browse/NUTCH-855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Gonyea updated NUTCH-855:
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Comment: was deleted
(was: If it wasn't clear from my prior comment, the property for urlmeta in
nutch-site should look like:
<property>
<name>urlmeta.tags</name>
<value>damn,you,doug,cutting</value>
</property>
It might be nice if someone updates the "nutch-default.xml" entry for
"urlmeta.tags" to the following:
<property>
<name>urlmeta.tags</name>
<value></value>
<description>
To be used in conjunction with features introduced in NUTCH-655, which
allows
for custom metatags to be injected alongside your crawl URLs. Specifying
those
custom tags here will allow for their propagation into a pages outlinks, as
well as allow for them to be included as part of an index.
Values should be comma-delimited. ("tag1,tag2,tag3") Do not pad the tags
with
white-space at their boundaries, if you are using anything earlier than
Hadoop-0.21.
</description>
</property>
Unless, of course, Nutch-1.2 ships with Hadoop-0.21... Then it's a wash. I do
think it's good to note that in there, as someone may stumble across that
tidbit while troubleshooting some unrelated godawful bug. I'm looking out for
you, long lost not-twin.)
> ScoringFilter and IndexingFilter: To allow for the propagation of URL
> Metatags and their subsequent indexing.
> -------------------------------------------------------------------------------------------------------------
>
> Key: NUTCH-855
> URL: https://issues.apache.org/jira/browse/NUTCH-855
> Project: Nutch
> Issue Type: New Feature
> Components: generator, indexer
> Affects Versions: 1.1
> Reporter: Scott Gonyea
> Assignee: Chris A. Mattmann
> Fix For: 1.2
>
> Attachments: nutch-855.txt
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> This plugin is designed to enhance the NUTCH-655 patch, by doing two things:
> 1. Meta Tags that are supplied with your Crawl URLs, during injection, will
> be propagated throughout the outlinks of those Crawl URLs.
> 2. When you index your URLs, the meta tags that you specified with your URLs
> will be indexed alongside those URLs--and can be directly queried, assuming
> you have done everything else correctly.
> The flat-file of URLs you are injecting should, per NUTCH-655, be
> tab-delimited in the form of:
> www.url.com\tkey1=value1\tkey2=value2\t...\tkeyN=valueN
> or:
> http://slashdot.org/ corp_owner=Geeknet will_it_blend=indubitably
> http://engadget.com/ corp_owner=Weblogs genre=geeksquad_thriller
> To activate this plugin, you must modify two properties in your
> nutch-sites.xml:
> 1. plugin.includes
> add: urlmeta
> to: <value>...</value>
> ie: <value>urlmeta|parse-tika|scoring-opic|...</value>
> 2. urlmeta.tags
> Insert a comma-delimited list of metatags. Using the above example:
> <value>corp_owner, will_it_blend, genre</value>
> Note that you do not need to include the tag with every URL. However, you
> must specify each tag if you want it to be propagated and later indexed.
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