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我将 SnowballPorterFilterFactory 用于索引和查询分析器。搜索“苹果”这个词。Solr 成功找到了必要的文章,但 tels 说单词拼写错误并给出建议:“appl”。如果我搜索“apples”,它会正常工作:没有给出建议并找到带有“apple”字样的文章。

架构.xml:

<fieldType name="text_en" class="solr.TextField" positionIncrementGap="100">
  <analyzer type="index">
    <tokenizer class="solr.WhitespaceTokenizerFactory"/>
    <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords_en.txt" enablePositionIncrements="true"/>
    <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="1" catenateNumbers="1" catenateAll="0" splitOnCaseChange="1"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.SnowballPorterFilterFactory" language="English" protected="protwords_en.txt"/>
  </analyzer>
  <analyzer type="query">
    <tokenizer class="solr.WhitespaceTokenizerFactory"/>
    <filter class="solr.SynonymFilterFactory" synonyms="synonyms_en.txt" ignoreCase="true" expand="true"/>
    <filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords_en.txt" enablePositionIncrements="true"/>
    <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0" splitOnCaseChange="1"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.SnowballPorterFilterFactory" language="English" protected="protwords_en.txt"/>
  </analyzer>
</fieldType>

任何想法如何排除不正确的建议?

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1 回答 1

2

您不应该使用相同的字段进行搜索和拼写检查...添加一个没有词干的字段进行拼写检查。

例子 :

<!-- Basic Text Field for use with Spell Correction -->
<fieldType name="textSpell" class="solr.TextField" positionIncrementGap="100">
  <analyzer>
    <tokenizer class="solr.WhitespaceTokenizerFactory"/>
    <filter class="solr.ASCIIFoldingFilterFactory"/>
    <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0" preserveOriginal="1"/>
    <filter class="solr.LowerCaseFilterFactory"/>
    <filter class="solr.RemoveDuplicatesTokenFilterFactory"/>
  </analyzer>
</fieldType>

<!-- TextSpell -->
<field name="textSpelling" type="textSpell" indexed="true" stored="false" multiValued="true"/>

然后在你的 solrconfig.xml 中:

<searchComponent name="spellcheck" class="solr.SpellCheckComponent">
    <lst name="spellchecker">
      <str name="name">default</str>
      <str name="field">textSpelling</str>
      <str name="termSourceField">textSpelling</str>
      <str name="accuracy">0.7</str>
      <str name="spellcheckIndexDir">./spellchecker</str>
      <str name="queryAnalyzerFieldType">text</str>
      <str name="buildOnOptimize">true</str>
    </lst>
</searchComponent>
于 2011-12-21T14:10:46.700 回答