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https://issues.apache.org/jira/browse/LUCENE-2167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12865863#action_12865863
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Steven Rowe commented on LUCENE-2167:
-------------------------------------
Good point, Marvin - indexing URLs makes no sense without query support for
them. (Is this a stupid can of worms for me to have opened?) I have used
Lucene tokenizers for other things than retrieval (e.g. term vectors as input
to other processes), and I suspect I'm not alone. The ability to extract URLs
would be very nice.
Ideally, URL analysis would produce both the full URL as a single token, and as
overlapping tokens the hostname, path components, etc. However, I don't think
it's a good idea for the tokenizer to output overlapping tokens - I suspect
this would break more than a few things.
A filter that breaks URL type tokens into their components, and then adds them
as overlapping tokens, or replaces the full URL with the components, should be
easy to write, though.
> Implement StandardTokenizer with the UAX#29 Standard
> ----------------------------------------------------
>
> Key: LUCENE-2167
> URL: https://issues.apache.org/jira/browse/LUCENE-2167
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/analyzers
> Affects Versions: 3.1
> Reporter: Shyamal Prasad
> Assignee: Steven Rowe
> Priority: Minor
> Attachments: LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch,
> LUCENE-2167.patch, LUCENE-2167.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> It would be really nice for StandardTokenizer to adhere straight to the
> standard as much as we can with jflex. Then its name would actually make
> sense.
> Such a transition would involve renaming the old StandardTokenizer to
> EuropeanTokenizer, as its javadoc claims:
> bq. This should be a good tokenizer for most European-language documents
> The new StandardTokenizer could then say
> bq. This should be a good tokenizer for most languages.
> All the english/euro-centric stuff like the acronym/company/apostrophe stuff
> can stay with that EuropeanTokenizer, and it could be used by the european
> analyzers.
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