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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">I have done a spot of digging in the scary code and found the answer: there is a setting called “HardBoundary” which sets a limit on the length in tokens of
matches retrieved. By default, it is set to 100.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">You can change it to a different value thus:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">set HardBoundary 200;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">set HardBoundary 1000000;<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">(etc.)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">I don’t know why HardBoundary is not mentioned in the tutorial, but I think its existence is because otherwise, execution of a query can take an awfully long
time: if you use []* over a lot of tokens then each one of those has to be evaluated which involves lots and lots of messing around with memory for tables of corpus positions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Although “HardBoundary” is not in the tutorial, nor is it listed when you run “set;”, another way of accessing the same setting (at startup)
<i>is</i>, however, noted in cqp –h:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> […]<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> -b num set hard boundary for kleene star to <num> tokens<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> […]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">and in “man cqp” both –b and HardBoundary get a mention:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> -b num<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> Sets a hard boundary for the kleene star in token-sequence regular expressions (not string-matching<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> regular expressions). When this option is specified, matches will be made across no more than num<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> tokens. This is basically the same as adding a "within num" clause to the CQP query; an explicit<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> "within" clause overrides the hard boundary, if specified.<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"> Equivalent to the interactive command "set HardBoundary num".<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">The manual probably ought to mention it is set by default to 100; moreover the current wording “When this option is specified” is misleading as it suggests
it can be left unspecified (it can’t: it always has to have some value). Also, it applies not only to * but generally for repetition.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">The default of 100 seems a bit stingy; I will provisionally change it to 500.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">best<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Andrew.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> cwb-bounces@sslmit.unibo.it [mailto:cwb-bounces@sslmit.unibo.it]
<b>On Behalf Of </b>Hardie, Andrew<br>
<b>Sent:</b> 30 April 2017 01:26<br>
<b>To:</b> Open source development of the Corpus WorkBench<br>
<b>Subject:</b> Re: [CWB] Too many tokens in an attribute?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">This is … interesting behaviour.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">I see you’re using 3.0.0 but I’ve reproduced it with 3.4.10 and a 1.2 billion token corpus:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">EEBOV3> L = <text>[]*</text><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">EEBOV3> size L;<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">761<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">EEBOV3> LL = <text>[]<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">EEBOV3> size LL;<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">44421<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">EEBOV3> LLL = <text>[] expand to text;<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">EEBOV3> size LLL;<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New";color:#1F497D">44421<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">I am not really sure what’s going on here. It probably involves the parts of the CQP code that I’m a bit scared of…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Andrew.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:cwb-bounces@sslmit.unibo.it">cwb-bounces@sslmit.unibo.it</a> [<a href="mailto:cwb-bounces@sslmit.unibo.it">mailto:cwb-bounces@sslmit.unibo.it</a>]
<b>On Behalf Of </b>Simone Ueberwasser<br>
<b>Sent:</b> 29 April 2017 07:50<br>
<b>To:</b> <a href="mailto:cwb@sslmit.unibo.it">cwb@sslmit.unibo.it</a><br>
<b>Subject:</b> [CWB] Too many tokens in an attribute?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<div id="bloop_customfont">
<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">Hi every body<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">I try to create a CQP corpus with XML attributes from 618 vrt-files. They look as follows:<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><text encrypted_msg="0" contains_fra="true" content_msg="1838" user_msg="1873" no_consent_msg="0" consent_speakers="2" lang_100_and_more="fra" speakers="2" empty_msg="0"
media_msg="35" system_msg="0" total_msg="1873"><o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><msg msg_id="162577"><o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">token1 pos1<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">token2 pos2<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""></msg><o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""></text><o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
</div>
<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">An example with two messages is available here:
<a href="http://www.ueberwasser.eu/chat105_original.vrt">www.ueberwasser.eu/chat105_original.vrt</a><o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">In this example, the first message contains 3 tokens. If I run the following query, the message is found:<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><msg>[]*</msg>:: match.msg_msg_id = “162577"<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">The second message is 95 tokens long. The same query shows no results:<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><msg>[]*</msg>:: match.msg_msg_id = "162578"<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">If I remove any 5 tokens from this message, the query is fine for this message, too. Is this a normal behaviour? Is there a limit to the number of tokens within an attribute?
I could not find any information in the documentation.<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">Many thanks for any help<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">Simone <o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">*********************************<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">Setup: <o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">Xubuntu 16.04<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">cwb-3.0.0-linux-x86_64<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">CWB Perl-CWB-3.0<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">CWB-CL Perl-CWB-CL-3.0<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">CWB-Web Perl-CWB-Web-3.0<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">CWB-CQI Perl-CWB-CQI-3.0<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">But I had the same problem with CWB 3.0 and Perl scripts 2.2 on a Mac<o:p></o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<div id="bloop_customfont">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">I create the corpus with:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">sudo -H cwb-encode -c utf8 -x -s -B -d PathToData -f /pathtofile.vrt -R PathToRegisty -P pos -S text:0+contains_fra+no_consent_msg+content_msg+empty_msg+total_msg+speakers+media_msg+system_msg+user_msg+encrypted_msg+consent_speakers+lang_100_and_more+demographics+lang_less_than_100+contains_gsw+contains_eng+contains_spa+contains_deu+contains_ita+contains_sla+contains_roh
-S msg:0+msg_id<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt;font-family:"Arial","sans-serif";color:#222222">===========================================================<br>
</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><a href="http://www.ueberwasser.eu/" target="_blank"><span style="font-size:9.5pt;font-family:"Arial","sans-serif"">www.ueberwasser.eu</span></a></span><span style="font-size:9.5pt;font-family:"Arial","sans-serif";color:#222222"><br>
===========================================================</span><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><o:p></o:p></span></p>
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