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From Derek Poh <>
Subject Re: Filter factory to reduce word from plural forms to singular forms correctly?
Date Tue, 01 Mar 2016 00:55:48 GMT
Hi Alex

Can you advice how can I make use of copyField to handle this issue?

NLP lematisation will be the last resort and subject to budget and 
business usersdecision.


On 3/1/2016 8:13 AM, Alexandre Rafalovitch wrote:
> On 29 February 2016 at 20:40, Derek Poh <> wrote:
>> Is there other filter factory that can reduce pluralto singular correctly?
> English is not an easy language and most of the heuristic filters have
> issues. You could try copyField and multiple approaches.
> Or, if this is a really Really big issue for you, there are commercial
> companies that do NLP lematisation properly and integrate with Solr.
> But they are not cheap.
> Regards,
>     Alex.
> ----
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