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From Jack Krupansky <jack.krupan...@gmail.com>
Subject Re: De Duplication using Solr
Date Sat, 03 Jan 2015 14:09:53 GMT
First, see if you can get your requirements to align to the de-dupe feature
that Solr already has:
https://cwiki.apache.org/confluence/display/solr/De-Duplication


-- Jack Krupansky

On Sat, Jan 3, 2015 at 2:54 AM, Amit Jha <shanuu.jha@gmail.com> wrote:

> I am trying to find out duplicate records based on distance and phonetic
> algorithms. Can I utilize solr for that? I have following fields and
> conditions to identify exact or possible duplicates.
>
> 1. Fields
> prefix
> suffix
> firstname
> lastname
> email(primary_email1, email2, email3)
> phone(primary_phone1, phone2, phone3)
> 2. Conditions:
> Two records said to be exact duplicates if
>
> 1. IsExactMatchFunction(record1_prefix, record2_prefix) AND
> IsExactMatchFunction(record1_suffix, record2_suffix) AND
> IsExactMatchFunction(record1_firstname,record2_firstname) AND
> IsExactMatchFunction(record1_lastname,record2_lastname) AND
> IsExactMatchFunction(record1_primary_email,record2_primary_email) OR
> IsExactMatchFunction(record1_primary_phone,record2_primary_primary)
> Two records said to be possible duplicates if
>
> 1. IsExactMatchFunction(record1_prefix, record2_prefix) OR
> IsExactMatchFunction(record1_suffix, record2_suffix) OR
> IsExactMatchFunction(record1_firstname,record2_firstname) AND
> IsExactMatchFunction(record1_lastname,record2_lastname) AND
> IsExactMatchFunction(record1_primary_email,record2_primary_email) OR
> IsExactMatchFunction(record1_primary_phone,record2_primary_primary)
>  ELSE
>  2. IsFuzzyMatchFunction(record1_firstname,record2_firstname) AND
> IsExactMatchFunction(record1_lastname,record2_lastname) AND
> IsExactMatchFunction(record1_primary_email,record2_primary_email) OR
> IsExactMatchFunction(record1_primary_phone,record2_primary_primary)
>  ELSE
>  3. IsFuzzyMatchFunction(record1_firstname,record2_firstname) AND
> IsExactMatchFunction(record1_lastname,record2_lastname) AND
> IsExactMatchFunction(record1_any_email,record2_any_email) OR
> IsExactMatchFunction(record1_any_phone,record2_any_primary)
>
> IsFuzzyMatchFunction() will perform distance and phonetic algorithms
> calculation and compare it with predefined threshold.
>
> For example:
>
> if threshold defined for firsname is 85 and IsFuzzyMatchFunction() function
> only return "ture" only and only if one of the algorithms(distance or
> phonetic) return the similarity socre >= 85.
>
> Can I use solr to perform this job. Or Can you guys suggest how can I
> approach to this problem. I have seen the duke(De duplication API) but I
> can not use duke out of the box.
>

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