Thank you!
Unfortunately my antivirus tells me that I shouldn't visit the first
link, because the site is known to contain malicious software :-(
Per
On Mon, Feb 11, 2013, at 12:36, Jacob Nordfalk wrote:
You can also read about the steps en sv-da here
[1]http://www.dkuug.dk/wp-content/themes/dkuug/arkiv/DKUUG160.pdf
or see these videos here:
[2]http://ftp.klid.dk/ftp/video/2010-06-10-apertium/
2013/2/11 Kevin Brubeck Unhammer <[3][email protected]>
Per Tunedal <[4][email protected]>
writes:
> Hi,
>
> On Mon, Feb 11, 2013, at 9:17, Kevin Brubeck Unhammer wrote:
>> Per Tunedal <[5][email protected]>
>> writes:
>>
>> > Hi,
>> > the Apertium for dummies-page is outdated. I would like the same
>> > information, but updated.
>>
>> Hmm, if it's that confusing, maybe we should delete the wiki page.
Each
>> language pair is slightly different, so it's impossible to make an
>> illustration that's true for all pairs.
>
> No, that's not the main problem. My problem is that I don't
understand
> what the commands stands for. I cannot recognize e.g. the tagger, the
> lexical transfer etc.
> I simply don't know what happens in each step shown by
Apertium-Viewer.
Every other line there shows the command that is run, and its
arguments.
/usr/bin/lt-proc is the morphological analysis (or generation, when
it
has a -g), /usr/bin/apertium-tagger is the tagger. Most commands you
can
search for on the wiki, or try typing into your terminal with
--help:
$ lt-proc --help
lt-proc: process a stream with a letter transducer
USAGE: lt-proc [ -a | -b | -c | -d | -e | -g | -n | -p | -s | -t |
-v | -h -z -w ] fst_file [input_file [output_file]]
Options:
-a, --analysis: morphological analysis (default behavior)
-b, --bilingual: lexical transfer
-c, --case-sensitive: use the literal case of the incoming
characters
-d, --debugged-gen morph. generation with all the stuff
-e, --decompose-nouns: Try to decompound unknown words
-g, --generation: morphological generation
-l, --tagged-gen: morphological generation keeping lexical
forms
-m, --tagged-nm-gen: same as -l but without unknown word marks
-n, --non-marked-gen morph. generation without unknown word
marks
-o, --surf-bilingual: lexical transfer with surface forms
-p, --post-generation: post-generation
-s, --sao: SAO annotation system input processing
-t, --transliteration: apply transliteration dictionary
-v, --version: version
-z, --null-flush: flush output on the null character
-w, --dictionary-case: use dictionary case instead of surface
case
-h, --help: show this help
>> > Apparently, Apertium-Viewer displays the steps
>> > actually performed and in the actual order. I simply would like to
have
>> > them deciphered.
>>
>> Using
>>
[6]http://wiki.apertium.org/w/images/2/25/Screenshot-jApertiumView.png
as
>> an example, the _first_ line
>>
>> "This is a sample text"
>>
>> is the input text to the command in the _second_ line,
>>
>> /usr/bin/lt-proc …/en-eo.automorf.bin
>>
>> and the _third_ line
>>
>> ^This/This<det>… ………
>>
>> is the output of that command. This output, is used as input to the
next
>> command (fourth line). You can run the same commands in your
terminal;
>> the same input should give the same output. Try it.
>>
>> > And further, I would like to know where and how a lexical
selection
>> > module would influence the translation.
>>
>> see illustration:
>> [7]http://article.gmane.org/gmane.comp.nlp.apertium/2715
>
> Francis writes:
> "The lexical selection is done in the aptly-named "lexical selection"
> stage, which sits between lexical transfer (which outputs all the
> possible translations of each word) and structural transfer"
>
> But most alternative translations are already discarded by the
tagger,
> aren't they? In the very first step.
No, that's alternative morphological analyses.
Plain lt-proc (morphological analysis) gives one or more analyses:
^bank/bank<n><m><sg><ind>/bank<vblex><imp>$
apertium-tagger chooses one _analysis_:
^bank/bank<vblex><imp>$
lt-proc -b (lexical transfer) adds one or more translations (and
retains
the original one):
^bank<vblex><imp>/beat<vblex><imp>/knock<vblex><imp>$
lrx-proc (lexical selection) chooses one _translation_ from these:
^bank<vblex><imp>/knock<vblex><imp>$
and then apertium-transfer moves words around or whatever.
Of course, if bank<n> were chosen by the tagger, that would also
lead to
a different translation, but it's a choice of a different sort (is
it a
noun or is it a verb, rather than what translation does that
particular
verb have).
--
Kevin Brubeck Unhammer
GPG: 0x766AC60C
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--
[11]Jacob Nordfalk
[12]javabog.dk
Androidudvikler og -underviser på [13]DTU og [14]Lund&Bendsen
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References
1. http://www.dkuug.dk/wp-content/themes/dkuug/arkiv/DKUUG160.pdf
2. http://ftp.klid.dk/ftp/video/2010-06-10-apertium/
3. mailto:[email protected]
4. mailto:[email protected]
5. mailto:[email protected]
6. http://wiki.apertium.org/w/images/2/25/Screenshot-jApertiumView.png
7. http://article.gmane.org/gmane.comp.nlp.apertium/2715
8. http://p.sf.net/sfu/sophos-d2d-feb
9. mailto:[email protected]
10. https://lists.sourceforge.net/lists/listinfo/apertium-stuff
11. http://profiles.google.com/jacob.nordfalk
12. http://javabog.dk/
13. http://cv.ihk.dk/diplomuddannelser/itd/vf/MAU
14. https://www.lundogbendsen.dk/undervisning/beskrivelse/LB1809/
15. http://p.sf.net/sfu/sophos-d2d-feb
16. mailto:[email protected]
17. https://lists.sourceforge.net/lists/listinfo/apertium-stuff
------------------------------------------------------------------------------
Free Next-Gen Firewall Hardware Offer
Buy your Sophos next-gen firewall before the end March 2013
and get the hardware for free! Learn more.
http://p.sf.net/sfu/sophos-d2d-feb
_______________________________________________
Apertium-stuff mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/apertium-stuff