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From Daniel Persson <>
Subject Abbreviations with KeywordTokenizerFactory
Date Thu, 19 Apr 2012 08:25:23 GMT
Hi solr users.

I'm trying to create an index of geographic data to search with solr.

And I get a problem with searches with abbreviations.

At the moment I use an index filter with

      <analyzer type="index">
        <tokenizer class="solr.KeywordTokenizerFactory"/>
        <filter class="solr.ICUFoldingFilterFactory" />

This is because my searches at the moment are need to be full Keywords to
enable correct hits and ranking.

I have other tokenizers for other types of searches.

The problem I got now is with a streets with names like

East Saint James Street.

This could be abbreviated as

E St James St

Anyone got a suggestion what to try?

My guess was to use synonyms but that seems to work only with
WhitespaceTokenizer. I've thought about PatternReplaceCharFilter but that
will be a lot of rules to cover all abbreviations.

Best regards


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