<div dir="ltr">What do you mean by 'define'?<div><br><div><font face="courier new, monospace">If</font> it means that it should automatically extract them:</div><div><ul><li>I don't know (although you could easily, especially for morphological ones, write a script to extract features and put them in a tab separated format.) [have a look at the file <a href="https://github.com/filannim/ManTIME/blob/master/components/feature_factory.py">feature_factory.py</a> as an example].<br>
</li></ul><div><font face="courier new, monospace">else if</font> it means that it should just consider them for the classification phase<font face="comic sans ms, sans-serif">:</font></div><div><ul><li>I suggest you to use CRF++ (if you don't mind using Conditional Random Fields).<br>
</li></ul></div><div><font face="courier new, monospace">else</font>:</div><div><ul><li>sorry, please give me more details. :)</li></ul></div><div>Bye,</div><div>michele.</div></div></div></div><div class="gmail_extra"><br>
<br><div class="gmail_quote">On Sat, Jul 13, 2013 at 9:18 AM, amin mansouri <span dir="ltr"><<a href="mailto:aminmansouri2000@gmail.com" target="_blank">aminmansouri2000@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">Dear Colleagues,<u></u><u></u></p>
<p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><u></u> <u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">I need to train a POS tagger (with my specific pos tags and some custom features).<u></u><u></u></p>
<p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">Does anyone know any tool (POS tagger or sequence classifier) which has the capability to define some custom features, like orthographic or morphological features? LOG-linear is preferred.<u></u><u></u></p>
<p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><u></u> <u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">For example each sequence of training data is as below<u></u><u></u></p>
<div style="color:rgb(80,0,80)"><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><u></u> <u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
word1|feature_1|...|feature_N|POS<u></u><u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">word2|feature_1|...|feature_N|POS<u></u><u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
word3|feature_1|...|feature_N|POS <u></u><u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">... <u></u><u></u></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
wordN|feature_1|...|feature_N|POS</p></div></span><span class="HOEnZb"><font color="#888888"><div><br></div>-- <br><div style="text-align:left">Amin.Mansouri<br></div>Natural Language Processing lab,<div>
</div>School of Electrical and Computer Eng,<div style="text-align:center">
</div>Tehran University<div style="text-align:center">
</div>Tel: +9821-6111-9719
</font></span></div>
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<a href="http://mailman.uib.no/listinfo/corpora" target="_blank">http://mailman.uib.no/listinfo/corpora<br clear="all"><div><br></div>-- <br>Michele Filannino<br><br><font color="#666666">CDT PhD student in Computer Science<br>
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