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From Harpreet Khanduja <hsk5...@rit.edu>
Subject Re: Lucene for UMLS2014
Date Tue, 22 Jul 2014 14:53:13 GMT
Thank you so much for your help.

Harpreet.



On Mon, Jul 21, 2014 at 6:28 PM, Finan, Sean <
Sean.Finan@childrens.harvard.edu> wrote:

> Hi Harpreet,
>
> If you are willing to use cTakes 3.2, try the dictionary-lookup-fast
> module as a replacement of the default dictionary-lookup.  That module has
> a new dictionary resource (hsql, not lucene) and slightly different methods
> for lookup and matching.  In time trials it has been faster than the
> default module (hence the name).  Accuracy depends upon the parameter
> settings, but in the tests performed so far the results are comparable or
> better.  The new dictionary is much leaner than the current default
> dictionary, small enough to port from the hsql cached version to a hsql
> in-memory version.  Using the in-memory version makes dictionary lookup
> practically instantaneous (hundredths of a second).  Limited documentation
> is available in the module's doc/ directory.
>
> I will be on vacation for a week, but please don't hesitate to write if
> you have any questions.
>
> Sean
> ________________________________________
> From: Harpreet Khanduja [hsk5004@rit.edu]
> Sent: Thursday, July 17, 2014 5:07 PM
> To: dev@ctakes.apache.org
> Subject: Lucene for UMLS2014
>
> Hello,
>     I would be grateful if someone could help.
>
>     I created a lucene index for umls2014 but only for snomed vocabulary.
>     I did this because I thought this would reduce the dictionary look up
> time.
>     But it still almost the same. Is there any other way to improve the
> dictionary look up time?
>
> Thank you,
> Harpreet
>

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