Re: trigram or n-gram programming on the IBM i

Ah yes, if only!

I had already looked at this, but considering we are on V5R4 there is no
hope of SQL Score... *groans*.  I brought this up the first day I had the
project on my desk.  I said, I could finish this project in a couple of
days if we were on 6.1.... what are the odds of us upgrading???   I would
love to see us make the move this year and I'll continue to push for it
and make a list of benefits.  But, until then, I have to write a search
program and this is how some of the big boys do it under the covers, so
we'll see how it goes.  I don't like writing information indexing programs
from scratch, but sometimes you need to I guess.


Thanks
Bryce Martin
Programmer/Analyst I
570-546-4777



Charles Wilt <charles.wilt@xxxxxxxxx>
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Re: trigram or n-gram programming on the IBM i






Bryce...are you talking text search?

Have you looked at making use of (free) Omnifind Text Search Server
for DB2 for i
http://www.mcpressonline.com/database/db2/omnifind-part-i-add-sizzle-to-your-sql-with-omnifind-text-search-server-for-db2-for-i.html


If on v5r4 or earlier, DB2 Text Extenders is the (chargeable)
ancestor(?) product...

HTH,
Charles

On Thu, Jan 13, 2011 at 11:36 AM, Bryce Martin <BMartin@xxxxxxxxxxxx>
wrote:

The language stuff.  Its an experiment I'm doing on a search program I'm
writing.  The requirements keep getting *better* and *better* all the
time, so I thought this would try to do a trigram breakdown and then do

a

ranking on #matches/#trigrams * 100 to get a weighted percentage of
similarity.


Thanks
Bryce Martin
Programmer/Analyst I
570-546-4777



Michael Ryan <michaelrtr@xxxxxxxxx>
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01/13/2011 11:11 AM
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Re: trigram or n-gram programming on the IBM i






The language stuff or the iChing stuff?

On Thu, Jan 13, 2011 at 10:57 AM, Bryce Martin <BMartin@xxxxxxxxxxxx>
wrote:

I've cross posted this on Midrange and RPG lists because it could fall
under A LOT of lists if somone did it in a specific language.

I'm researching the possibility of doing an n-gram or more specifically

a

trigram processing algorithm on the IBM i.  I was wondering if any of

you

have done anything with this.  Its not very business oriented as its

very

techy algorithm stuff.  At this point I'm going to attempt it in RPGLE,
but didn't know if someone had done it in SQL, Java, or any other
language?


Thanks
Bryce Martin
Programmer/Analyst I
570-546-4777
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