Hi to all,

first of all: sorry, I'm not a programmer and I read the manual page but I didn't understand how to do what I want to do. And my knowledge of English language isn't good enough, so I hope I can explain what I need.
Well, I'd like to do something not so complicate: simply add some morphemes to the Italian stemmer: at this time it doesn't stem correctly superlative adjectives. For example, bello and bellissimo are only two different forms of the same word:

bello (handsome, beauty) -> bell
bellissimo (very handsome, very beauty) -> bellissim

should be

bello (handsome, beauty) -> bell
bellissimo (very handsome, very beauty) -> bell

so, I opened the files stem_ISO_8859_1_italian.c and stem_UTF8_italian.c and i modified this block:

static const symbol s_4_0[2] = { 'i', 'c' };
static const symbol s_4_1[4] = { 'a', 'b', 'i', 'l' };
static const symbol s_4_2[2] = { 'o', 's' };
static const symbol s_4_3[2] = { 'i', 'v' };

static const struct among a_4[4] =
{
/*  0 */ { 2, s_4_0, -1, -1, 0},
/*  1 */ { 4, s_4_1, -1, -1, 0},
/*  2 */ { 2, s_4_2, -1, -1, 0},
/*  3 */ { 2, s_4_3, -1, 1, 0}
};

this way:

static const symbol s_4_0[2] = { 'i', 'c' };
static const symbol s_4_1[4] = { 'a', 'b', 'i', 'l' };
static const symbol s_4_2[2] = { 'o', 's' };
static const symbol s_4_3[2] = { 'i', 'v' };
static const symbol s_4_4[5] = { 'i', 's', 's', 'i', 'm' };
static const symbol s_4_5[5] = { 'e', 'r', 'r', 'i', 'm' };

static const struct among a_4[6] =
{
/*  0 */ { 2, s_4_0, -1, -1, 0},
/*  1 */ { 4, s_4_1, -1, -1, 0},
/*  2 */ { 2, s_4_2, -1, -1, 0},
/*  3 */ { 2, s_4_3, -1, 1, 0},
/*  4 */ { 2, s_4_4, -1, -1, 0},
/*  5 */ { 2, s_4_5, -1, -1, 0}
};

I hoped just adding two new morphemes could be enough. I rebuilt and reinstall the pystemmer module but it doesn't work.
Can someone help me? Where I've done my mistake?
Please don't be too much specific: you're writing to a guy who can just open a shell and put in few commands.

thank you!

alladr

Hi Martin!

Wow, you've just opened a new world to me! It's my first C script and, you see, I can be stupid, but I never be coward when I see something completely... °___°

No. ok, seriously: I downloaded a gzip archive named snowball_web_and_code which contains all the source code for snowball.
I opened it and see several things very interesting (for instance adding some stopwords, but it's not necessary doing all now: there is time for further improvements), so: thank you for this.
But I beg your pardon: now I'm not sure about what I have to do.
1) can I simply change the files stem_ISO_8859.sbl and stem_MS_DOS_LATIN.sbl and in the directory named algorithms/italian? if not: where is the source file I have to change in order to add morphemes to Italian algorithm?
2) after changing the algorithm what I exactly have to do? It's reasonable to assume that compiling it (gcc -O -o Snowball compiler/*.c) will not result in in the python module. and the guide to wrappers didn't help me. hmmm... is there a howto for this cases?

Thank you for your patience, I figure my questions seem silly to a person who know all that stuff I ignore, but probably for this kind of software it's necessary that progammers mix with grammarians.

thank you a lot for all

adriano

I am getting following exception while running snowball analyzer

Exception in thread "main" java.lang.RuntimeException: java.lang.ClassNotFoundException: org.tartarus.snowball.ext.sbStemmer

Kindly suggest where to download this.


--
Thanks and Regards
Neil
http://neilghosh.com