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Posted to dev@nutch.apache.org by "Andrzej Bialecki (JIRA)" <ji...@apache.org> on 2006/03/18 01:35:52 UTC
[jira] Updated: (NUTCH-230) OPIC score for outlinks should be based
on # of valid links, not total # of links.
[ http://issues.apache.org/jira/browse/NUTCH-230?page=all ]
Andrzej Bialecki updated NUTCH-230:
------------------------------------
Attachment: patch.txt
Please review this patch, if it's ok I'll commit it.
> OPIC score for outlinks should be based on # of valid links, not total # of links.
> ----------------------------------------------------------------------------------
>
> Key: NUTCH-230
> URL: http://issues.apache.org/jira/browse/NUTCH-230
> Project: Nutch
> Type: Improvement
> Versions: 0.8-dev
> Reporter: Ken Krugler
> Priority: Minor
> Attachments: patch.txt
>
> In ParseOutputFormat.java, the write() method currently divides the page score by the # of outlinks:
> score /= links.length;
> It then loops over the links, and any that pass the normalize/filter gauntlet get added to the crawl output.
> But this means that any filtered links result in some amount of the page's OPIC score being "lost".
> For Nutch 0.7, I built a list of valid (post-filter) links, and then used that to determine the per-link OPIC score, after which I iterated over the list, adding entries to the crawl output.
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