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Many, many thanks for all this, Andrew, as ever... A fully
signposted route, which I hope will get me where I want to go!<br>
Best,<br>
Graham.<br>
<br>
<div class="moz-cite-prefix">Le 07/05/2019 à 16:53, Hardie, Andrew a
écrit :<br>
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<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi
Graham,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">>></span>
I have not been able to find the English and German Holmes
files used in Stefan Evert's tutorial<span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">They
aren’t currently in the release package (which I believe is
probably in need of an update!) but they are in the SVN
tree:
</span><a
href="https://sourceforge.net/p/cwb/code/HEAD/tree/doc/corpora/encoding_tutorial_data/"
moz-do-not-send="true">https://sourceforge.net/p/cwb/code/HEAD/tree/doc/corpora/encoding_tutorial_data/</a><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">>></span>
what exactly is the required input format for the cwb-align
command?<span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">cwb-align
is an aligner, you don’t need to use it if you are dealing
with pre-aligned data. Its
<b>output</b> format is what you need to generate (to then
input into cwb-align-encode, the program that actually
creates the a-attribute). This means in the tutorial, you
can skip to sec 8.4.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The
format necessary (called “.align file”) is described in the
section “OUTPUT FORMAT” of
<b>man cwb-align</b>. Pasted below. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">You
would need to output the begin/end points of the s
attributes in the first corpus (using cwb-s-decode), and
then combine that with the begin/end points of the s
attribute in the second corpus, to get the 4-tuples needed
by cwb-align-encode. And then you’d need to add
<b>1:1</b> at the end of each line. That 5 column file
defines the alignment.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">>></span>
If I have .vrt files created in two languages with treetagger,
and if I have prealigned these, in such a way that the first
sentence of one file corresponds to the first sentence of the
other, the second sentence to the second, etc. then is that
enough?<span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Yes,
that is enough if you use the method above to create the
input file for cwb-align-encode.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">>></span>
Or should my files also including numerical information with
all sentences numbered?<span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">If
your ranges do actually have unique ID attributes <s
id=”..”> or maybe <s n=”..”>, you can optionally
use
<b>cwb-align-import</b> instead of cwb-align-encode: see
section 8.5 . This has a different input format than
cwb-align-encode: it identifies matching segments by some ID
attribute, rather than by spelling out the corpus token
position ranges, as in cwb-align-encode. This is called a <b>bead
file</b> whereas the other is called an <b>.align file</b>
(not the clearest terminology I know).<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Your
sentences would have to be numbered through your whole
corpus. In which case, your bead file could look like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">CORP1
CORP2 s {n}<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">1
1<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">2
2<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">3
3<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">[…]
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> which
might be easier to auto-generate than the cwb-align-encode
format based on raw corpus position numbers.
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Finally,
whatever method you use, don’t forget the need to update the
registry file with the new a-attribute.
<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">best<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Andrew.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">=====================<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US">From
man cwb-align:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">OUTPUT
FORMAT<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
cwb-align's output file uses CWB's ".align" file format.
".align" files are ASCII text files<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
(although they may contain characters from another encoding
if the corpus IDs include non-ASCII<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
characters), formatted as follows.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
The first line is a header line, which contains the
following four elements, separated by tabs:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The ID of the source corpus<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The ID of the aligned s-attribute (the grid attribute -
see above)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The ID of the target corpus<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The ID of the aligned s-attribute (repeated)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
Following the header, each individual line represents a
single pair of aligned regions in the<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
corpus. This is specified by six fields of information,
separated by tabs. The six fields are<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
as follows:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The beginning of the range in the source corpus
(expressed as a cpos, i.e. a token number)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The end of the range in the source corpus (expressed as
a cpos)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The beginning of the range in the target corpus
(expressed as a cpos)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The end of the range in the target corpus (expressed as
a cpos)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The type of alignment: 1:1, 2:1, 1:2 or 2:2<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
· The quality of the alignment: a score calculated by the
alignment engine<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
For example,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
140 169 137 180 1:2<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
means that corpus position ranges [140,169] and [137,180]
form a 1:2 alignment pair.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
(The final field, the quality, is optional in this file
format, and is absent in the example<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US">
above; however, cwb-align will always provide it.)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Courier
New";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="color:windowtext"
lang="EN-US">From:</span></b><span
style="color:windowtext" lang="EN-US">
<a class="moz-txt-link-abbreviated" href="mailto:cwb-bounces@sslmit.unibo.it">cwb-bounces@sslmit.unibo.it</a>
<a class="moz-txt-link-rfc2396E" href="mailto:cwb-bounces@sslmit.unibo.it"><cwb-bounces@sslmit.unibo.it></a>
<b>On Behalf Of </b>Graham Ranger -- UAPV<br>
<b>Sent:</b> 07 May 2019 13:57<br>
<b>To:</b> Open source development of the Corpus
WorkBench <a class="moz-txt-link-rfc2396E" href="mailto:cwb@sslmit.unibo.it"><cwb@sslmit.unibo.it></a><br>
<b>Subject:</b> [CWB] Aligning parallel corpora<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hello to all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">I have set up a parallel corpus on cqpweb
using s-attributes for the visualisation of translations but
I would like to be able to do the same thing more cleanly,
using alignment attributes. However, try as I might, I
cannot seem to follow the instructions in the encoding
tutorial. I have not been able to find the English and
German Holmes files used in Stefan Evert's tutorial for
illustration. Now, what I would like to know is: what
exactly is the required input format for the cwb-align
command? If I have .vrt files created in two languages with
treetagger, and if I have prealigned these, in such a way
that the first sentence of one file corresponds to the first
sentence of the other, the second sentence to the second,
etc. then is that enough? Or should my files also including
numerical information with all sentences numbered? I suspect
this is a very naive question, but it's one that I do not
seem to be able to find my way around without help!<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal" style="text-align:right" align="right">Best,<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal">Graham.<o:p></o:p></p>
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