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POHow to use Stanford CoreNLP with a Non-English parse model?
 

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  1. POHow to use Stanford CoreNLP with a Non-English parse model?
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    <p>I'm trying to detect if a sentence is in <a href="https://stackoverflow.com/questions/19495967/getting-additional-information-active-passive-tenses-from-a-tagger">active or passive</a>. For that, I am using Stanford CoreNLP and watch out for the dependencies 'nsubj' (=active) or 'nsubjpass' (=passive).</p> <p>This works perfectly for English (<a href="http://pastebin.com/M1V1dEPd" rel="nofollow noreferrer">code is here</a>, if you are interested) with the following output:</p> <p><strong>Output:</strong></p> <pre><code>Adding annotator tokenize Adding annotator ssplit Adding annotator pos Reading POS tagger model from lib/stanford-postagger-full-2013-06-20/models/english-left3words-distsim.tagger ... done [1,2 sec]. Adding annotator lemma Adding annotator parse Loading parser from serialized file edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz ... done [1,1 sec]. reln: det reln: nsubjpass &lt;-- yeah! All I want. Passive sentence detected! reln: auxpass reln: root reln: det reln: prep_for </code></pre> <p>However, I also want to use German now and change the following lines for that:</p> <pre><code>Properties props = new Properties(); props.put("parse.flags", ""); props.put("pos.model", "lib/stanford-postagger-full-2013-06-20/models/german-fast.tagger"); props.put("annotators", "tokenize, ssplit, pos, lemma, parse"); props.put("parse.model", "edu/stanford/nlp/models/lexparser/germanPCFG.ser.gz"); &lt;--- not there </code></pre> <p>This fails, because there is no file parsing model "germanPCFG.ser.gz" in the jar (stanford-corenlp-3.2.0-models.jar) - only english. There are German parsing models on the web which I could include (<a href="http://lisa.spinfo.uni-koeln.de/trac/tesla/browser/tesla/trunk/tesla.component.stanfordparser/resources/germanFactored.ser.gz" rel="nofollow noreferrer">see this one, for example</a>), but then I get a massive stack trace. </p> <pre><code>Loading parser from serialized file lib/stanford-postagger-full-2013-06-20/germanFactored.ser.gz ... java.lang.NullPointerException at edu.stanford.nlp.parser.lexparser.BinaryGrammar.init(BinaryGrammar.java:224) at edu.stanford.nlp.parser.lexparser.BinaryGrammar.readObject(BinaryGrammar.java:211) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:969) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1946) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1870) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350) at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:172) at edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromSerializedFile(LexicalizedParser.java:607) at edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromFile(LexicalizedParser.java:401) at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:158) at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:144) at edu.stanford.nlp.pipeline.ParserAnnotator.loadModel(ParserAnnotator.java:177) at edu.stanford.nlp.pipeline.ParserAnnotator.&lt;init&gt;(ParserAnnotator.java:107) at edu.stanford.nlp.pipeline.StanfordCoreNLP$12.create(StanfordCoreNLP.java:736) at edu.stanford.nlp.pipeline.AnnotatorPool.get(AnnotatorPool.java:81) at edu.stanford.nlp.pipeline.StanfordCoreNLP.construct(StanfordCoreNLP.java:260) at edu.stanford.nlp.pipeline.StanfordCoreNLP.&lt;init&gt;(StanfordCoreNLP.java:127) at edu.stanford.nlp.pipeline.StanfordCoreNLP.&lt;init&gt;(StanfordCoreNLP.java:123) at nlp.Tagger.parse(Tagger.java:83) at nlp.GUI$5.doInBackground(GUI.java:474) at nlp.GUI$5.doInBackground(GUI.java:468) at javax.swing.SwingWorker$1.call(SwingWorker.java:277) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at javax.swing.SwingWorker.run(SwingWorker.java:316) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Loading parser from text file lib/stanford-postagger-full-2013-06-20/germanFactored.ser.gz java.lang.RuntimeException: lib/stanford-postagger-full-2013-06-20/germanFactored.ser.gz: expecting BEGIN block; got �� </code></pre> <p>If I just take the english parse model (englishPCFG.ser.gz) for the German input, the German passive sentence is not detected correctly. <strong>Any advice on how to continue?</strong></p>
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    1. PTQuestion
    1. USCommunity
    1. USDavid Müller
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      1. POHow to use Stanford CoreNLP with a Non-English parse model?
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    1. COplease tell me sentence detection using stanford core nlp?
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      1. POHow to use Stanford CoreNLP with a Non-English parse model?
      1. USRahul Kulhari
    2. COno, active/passive detection
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      1. POHow to use Stanford CoreNLP with a Non-English parse model?
      1. USDavid Müller
    3. COi just want to know how to do sentence detection and print sentence using stanford core nlp
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      1. POHow to use Stanford CoreNLP with a Non-English parse model?
      1. USRahul Kulhari
 

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