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Aug 14, 2007, 6:17 PM
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[jira] Resolved: (LUCENE-975) Position based TermVectorMapper
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[ https://issues.apache.org/jira/browse/LUCENE-975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Grant Ingersoll resolved LUCENE-975.
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Resolution: Fixed
Lucene Fields: [Patch Available] (was: [Patch Available, New])
Committed: 565994
> Position based TermVectorMapper
> -------------------------------
>
> Key: LUCENE-975
> URL: https://issues.apache.org/jira/browse/LUCENE-975
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Store
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Priority: Minor
> Attachments: LUCENE-975.patch
>
>
> As part of the new TermVectorMapper approach to TermVectors, the ensuing patch loads term vectors and stores the term info by position. This should let people directly index into a term vector given a position. Actually, it does it through Maps, b/c the array based bookkeeping is a pain given the way positions are stored.
> The map looks like:
> Map<String, Map<Integer, TVPositionInfo>>
> where the String is the field name, the integer is the position, and TVPositionInfo is a storage mechanism for the terms and offsets that occur at a position. It _should_ handle multiple terms per position (which is always my downfall! )
> I have not tested performance of this approach.
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