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• This search is case in-sensitive. 
• It searches on the double metaphone property value and literal property value.  
•  The The  literal property part (without the wild cards) of the query is boosted by .5.  This gives a literal match priority.  

• Parsing is done with the following analyzers:

  • dm_propertyValue - Uses our custom double metaphone analyzer.  This has the following filters:

    • LowerCaseFilter - for setting to lowercase
      
    • StopFilter - to remove stop words (the, a, etc.) from the search
      
    • DoubleMetaphoneFilter - for testing double metaphone sounds
      

  • literal_propertyValue - Uses our custom literal analyzer.  This literal analyzer uses Lucene's WhitespaceTokenizer with Lucene's

  StandardAnalyzer

  • LowerCaseFilter.

   

Example of use:

The following examples are based on the Automobiles coding scheme.

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Lucene query: dm_propertyValue:"KR" literal_propertyValue:"car"^0.5

Complete query:

• +*:* +(entityType:concept)
• +*:* +isAnonymous:F
• +*:* +(dm_propertyValue:"KR" literal_propertyValue:"car"^0.5) +isPreferred:T +(propertyType:presentation)

Result: 2 results

• Result 1
  • entity code: C0001
  • entity description: Car
• Result 2
  
  • entity code: C0002
  • entity description: Kar

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Lucene query: dm_propertyValue:"JNRL KNRL MTRS" literal_propertyValue:"general motors"^0.5

Complete query:

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Result: 1 result

• entity code: GM
• entity description: General Motors

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