stanford-nlp – 运行斯坦福提供的开放信息提取时出错

我正在尝试使用官方网站上给出的命令运行stanford nlp给出的openIE:http://nlp.stanford.edu/software/openie.shtml

java -mx1g -cp stanford-openie.jar:stanford-openie-models.jar edu.stanford.nlp.naturalli.OpenIE  mytextfile.txt

但我收到以下错误:

Exception in thread "main" java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at edu.stanford.nlp.pipeline.StanfordCoreNLP.<clinit>(StanfordCoreNLP.java:99)
at edu.stanford.nlp.naturalli.OpenIE.main(OpenIE.java:679)
Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 2 more

当我运行给出的java代码时:

package edu.stanford.nlp.naturalli;

import edu.stanford.nlp.ie.util.RelationTriple;
import edu.stanford.nlp.ling.CoreAnnotations;
import edu.stanford.nlp.pipeline.Annotation;
import edu.stanford.nlp.pipeline.StanfordCoreNLP;
import edu.stanford.nlp.util.CoreMap;

import java.util.Collection;
import java.util.List;
import java.util.Properties;

public class OpenIEDemo {

public static void main(String[] args) throws Exception {
// Create the Stanford CoreNLP pipeline
Properties props = new Properties();
props.setProperty("annotators", "tokenize,ssplit,pos,depparse,natlog,openie");
StanfordCoreNLP pipeline = new StanfordCoreNLP(props);

// Annotate an example document.
Annotation doc = new Annotation("Obama was born in Hawaii. He is our president.");
pipeline.annotate(doc);

// Loop over sentences in the document
for (CoreMap sentence : doc.get(CoreAnnotations.SentencesAnnotation.class)) {

  // Get the OpenIE triples for the sentence
  Collection<RelationTriple> triples = sentence.get(NaturalLogicAnnotations.RelationTriplesAnnotation.class);

  // Print the triples
  for (RelationTriple triple : triples) {
    System.out.println(triple.confidence + "\t" +
        triple.subjectLemmaGloss() + "\t" +
        triple.relationLemmaGloss() + "\t" +
        triple.objectLemmaGloss());
  }

  // Alternately, to only run e.g., the clause splitter:
  List<SentenceFragment> clauses = new OpenIE(props).clausesInSentence(sentence);
  for (SentenceFragment clause : clauses) {
    System.out.println(clause.parseTree);
  }
}
}
}

我收到下一个错误:

Adding annotator tokenize
TokenizerAnnotator: No tokenizer type provided. Defaulting to PTBTokenizer.
Adding annotator ssplit
Adding annotator pos
Reading POS tagger model from edu/stanford/nlp/models/pos-tagger/english-left3words/english-left3words-distsim.tagger ... done [0,7 sec].
Adding annotator depparse
Loading depparse model file: edu/stanford/nlp/models/parser/nndep/english_UD.gz ... 
PreComputed 100000, Elapsed Time: 1.159 (s)
Initializing dependency parser done [3,5 sec].
Adding annotator natlog
Exception in thread "main" java.lang.IllegalArgumentException: annotator "natlog" requires annotator "parse"
at edu.stanford.nlp.pipeline.StanfordCoreNLP.construct(StanfordCoreNLP.java:297)
at edu.stanford.nlp.pipeline.StanfordCoreNLP.<init>(StanfordCoreNLP.java:126)
at edu.stanford.nlp.pipeline.StanfordCoreNLP.<init>(StanfordCoreNLP.java:122)
at stnfrd.OpenIEDemo.main(OpenIEDemo.java:33)
/home/ue/.cache/netbeans/8.1/executor-snippets/run.xml:53: Java returned: 1
BUILD FAILED (total time: 4 seconds)

任何帮助将不胜感激.

最佳答案
>第一个错误是你没有slf4j jar,它目前包含在GitHub:https://github.com/stanfordnlp/CoreNLP的最新版本中,你也可以在这里找到特定的jar:http://www.slf4j.org/download.html
>第二个错误是由“natlog”需要“解析”引起的.将“depparse”更改为“parse”:

props.setProperty("annotators", "tokenize,ssplit,pos,parse,natlog,openie");

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