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Reg : Match Score & No Match Score

Hi ,

in the rule based match transformation we will give the match and no match scores in the options . If the Match score is 90% means if similarity score is greater than or equal to 90 means we will get the duplicates in the our target.

if similarity score is less than 90 we will get as unique records in the target then what is the use of no match score.

for example my match score is 90% and no match score is 70% then what about the value having similarity scores between 70 to 90 those records will show as unique records or duplicate records.

Please help me to understand this one.

Thanks & Regards,


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  • Posted on Aug 18, 2011 at 10:12 PM


    In your example, if the match score falls between 70% and 90%, the match engine will never make the match/no match decision. The records will not be identified as either unique records or duplicates. This is a usage characteristic of the Match / No Match parameters. This is useful for weighted matching, but in rule-based match scenarios, you should avoid gaps between the two values.


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    • Hi Paul,

      i tried with match transformation with match score 90% and non match score 70%. if similarity score falls between 70 to 90 % comes under unique records . as you told in the previous thread between records of match score and non match score will not be identified as duplicate records or unique records. but those records are coming as unique records only. Please clarify me in this one

      In the weighted score match score we are giving 100 and no match score -1. weighted score i am giving 90% it will give the 90% more scores.

      Please help me know how to set no match score settings for weighted score also.

      Thanks & Regards,


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