SV: [Snowball-discuss] Norwegian stemmer

From: Bruusgaard, Jan (Jan.Bruusgaard@ssb.no)
Date: Wed Apr 20 2005 - 14:04:21 BST


Martin,

Here are my comments. As I see it, there is an improvement for 13 words
and 5 words are worse.

In all the 5 cases the s is a genitive s. I would also belive that many
of the 13 words have a higher frequency in normal text.

-ks word current action Bruusgaard
adjustment
-------- --------------
---------------------

boks bok + boks
brokks brokk 0 brokks
danmarks danmark 0 danmarks
fisks fisk 0 fisks
foretaks foretak 0 foretaks
heks hek + heks
innenriks innenrik + innenriks
inneriks innerik ? inneriks
(spelling error innenriks +)
instruks instruk + instruks
juks juk + juks
laks lak + laks
markedsinndeks markedsinndek +
markedsinndeks (spelling error markedsindeks)
paradoks paradok + paradoks
seks sek + seks
straks strak + straks
styreinstruks styreinstruk +
styreinstruks
utenriks utenrik + utenriks
verks verk 0 verks
voks vok + voks
 

Jan

-----Opprinnelig melding-----
Fra: Martin Porter [mailto:martin.porter@grapeshot.co.uk]
Sendt: 20. april 2005 11:52
Til: Bruusgaard, Jan
Kopi: snowball-discuss@lists.tartarus.org
Emne: Re: [Snowball-discuss] Norwegian stemmer

Jan,

I apologise for taking so long to get back to the stemming work, but I
have been busy with other things. You suggested (13 Jan) removing k from
define_s_ending in the Norwegian stemmer. In the sample vocabulary about
one word per thousand is affected by this. Here is the list:

-ks word current action Bruusgaard
adjustment
-------- --------------
---------------------

boks bok + boks
brokks brokk 0 brokks
danmarks danmark 0 danmarks
fisks fisk ? fisks
foretaks foretak 0 foretaks
heks hek + heks
innenriks innenrik ? innenriks
inneriks innerik ? inneriks
instruks instruk + instruks
juks juk + juks
laks lak + laks
markedsinndeks markedsinndek ?
markedsinndeks
paradoks paradok + paradoks
seks sek ? seks
straks strak ? straks
styreinstruks styreinstruk ?
styreinstruks
utenriks utenrik + utenriks
verks verk ? verks
voks vok + voks

I think I will add your suggestion, since the forms marked + (I believe)
are improved by the rule, the forms marked 0 made worse. The forms
marked ? I cannot interpret.

I wonder if you could comment on this list as a native speaker of
Norwegian?

Martin



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