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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3017) FST should differentiate between final vs non-final stop nodes
Date Tue, 12 Apr 2011 12:56:05 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13018819#comment-13018819
] 

Michael McCandless commented on LUCENE-3017:
--------------------------------------------

I hear you :)

I think Lucene's needs put "pressure" on the traditional FST bounds... so we need to stretch
things a bit.

> FST should differentiate between final vs non-final stop nodes
> --------------------------------------------------------------
>
>                 Key: LUCENE-3017
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3017
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>            Priority: Minor
>             Fix For: 4.0
>
>         Attachments: LUCENE-3017.patch
>
>
> I'm breaking out this one improvement from LUCENE-2948...
> Currently, if a node has no outgoing edges (a "stop node") the FST
> forcefully marks this as a final node, but it need not do this.  Ie,
> whether that node is final or not should be orthogonal to whether it
> has arcs leaving or not.

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