lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Prasanna Ranganathan <pranganat...@netflix.com>
Subject Re: Question about PatternReplace filter and automatic Synonym generation
Date Tue, 06 Oct 2009 00:17:10 GMT

 Can someone please give me some pointers to the questions in my earlier
email? And and every help is much appreciated.

Regards,

Prasanna.


On 10/2/09 11:01 AM, "Prasanna Ranganathan" <pranganathan@netflix.com>
wrote:

> 
>  Does the PatternReplaceFilter have an option where you can keep the original
> token in addition to the modified token? From what I looked at it does not
> seem to but I want to confirm the same.
> 
> Alternatively, is there a filter available which takes in a pattern and
> produces additional forms of the token depending on the pattern? The use case
> I am looking at here is using such a filter to automate synonym generation. In
> our application, quite a few of the synonym file entries match a specific
> pattern and having such a filter would make it easier I believe. Pl. do
> correct me in case I am missing some unwanted side-effect with this approach.
> 
> Continuing on that line, what is the performance hit in having additional
> index-time filters as opposed to using a synonym file with more entries? How
> does the overhead of using a bigger synonym file as opposed to additional
> filters compare?
> 
> Thanks in advance for the help.
> 
> Regards,
> 
> Prasanna.


Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message