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Understanding the Sun Match Engine

Weight Ranges Using Agreement Weights

For agreement and disagreement weight ranges, determining the match weight ranges is very straightforward. Simply total the maximum agreement weights for each field to determine the maximum match weight. Then total the minimum disagreement weights for each match field to determine the minimum match weight. Table 36 provides a sample agreement/disagreement configuration for matching on person data. As you can see, the range of match weights generated for a master index application with this configuration is from -36 to +38.

Table 36 Sample Agreement and Disagreement Weight Ranges

Field Name 

Maximum Agreement Weight 

Minimum Disagreement Weight 

First Name 

8 

-8 

Last Name 

8 

-8 

Date of Birth 

7 

-5 

Gender 

5 

-5 

SSN 

10 

-10 

Maximum Match Weight

38 

 

Minimum Match Weight

 

-36