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POIs there a free library for morphological analysis of the German language?
 

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  1. POIs there a free library for morphological analysis of the German language?
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    <p>I'm looking for a library which can perform a morphological analysis on German words, i.e. it converts any word into its root form and providing meta information about the analysed word.</p> <p>For example:</p> <pre><code>gegessen -&gt; essen wurde [...] gefasst -&gt; fassen Häuser -&gt; Haus Hunde -&gt; Hund </code></pre> <p>My wishlist:</p> <ul> <li>It has to work with both nouns and verbs.</li> <li>I'm aware that this is a very hard task given the complexity of the German language, so I'm also looking for libaries which provide only approximations or may only be 80% accurate.</li> <li>I'd prefer libraries which don't work with dictionaries, but again I'm open to compromise given the cirumstances.</li> <li>I'd also prefer C/C++/Delphi Windows libraries, because that would make them easier to integrate but .NET, Java, ... will also do.</li> <li>It has to be a free library. (L)GPL, MPL, ...</li> </ul> <p><strong>EDIT:</strong> I'm aware that there is no way to perform a morphological analysis without any dictionary at all, because of the irregular words. When I say, I prefer a library without a dictionary I mean those full blown dictionaries which map each and every word:</p> <pre><code>arbeite -&gt; arbeiten arbeitest -&gt; arbeiten arbeitet -&gt; arbeiten arbeitete -&gt; arbeiten arbeitetest -&gt; arbeiten arbeiteten -&gt; arbeiten arbeitetet -&gt; arbeiten gearbeitet -&gt; arbeiten arbeite -&gt; arbeiten ... </code></pre> <p>Those dictionaries have several drawbacks, including the huge size and the inability to process unknown words.</p> <p>Of course all exceptions can only be handled with a dictionary:</p> <pre><code>esse -&gt; essen isst -&gt; essen eßt -&gt; essen aß -&gt; essen aßt -&gt; essen aßen -&gt; essen ... </code></pre> <p>(My mind is spinning right now :) )</p>
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    1. USWolfgang Fahl
    1. USDaniel Rikowski
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