java - SentimentCoreAnnotations.AnnotatedTree无法解析为一种类型

我正在尝试使用Stanford Core NLP获得实时推文的感性分数。目前，我正在获取实时推文。但是，当我将其提供给Stanford Core NLP程序时，出现了错误。

import edu.stanford.nlp.ling.CoreAnnotations;
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations;
import edu.stanford.nlp.pipeline.Annotation;
import edu.stanford.nlp.pipeline.StanfordCoreNLP;
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations;
import edu.stanford.nlp.trees.Tree;
import edu.stanford.nlp.util.CoreMap;

public class NLP {
    static StanfordCoreNLP pipeline;

    public static void init() {
        pipeline = new StanfordCoreNLP("MyPropFile.properties");
    }

    public static int findSentiment(String tweet) {

        int mainSentiment = 0;
        if (tweet != null && tweet.length() > 0) {
            int longest = 0;
            Annotation annotation = pipeline.process(tweet);
            for (CoreMap sentence : annotation
                    .get(CoreAnnotations.SentencesAnnotation.class)) {
                Tree tree = sentence
                        .get(SentimentCoreAnnotations.AnnotatedTree.class);
                int sentiment = RNNCoreAnnotations.getPredictedClass(tree);
                String partText = sentence.toString();
                if (partText.length() > longest) {
                    mainSentiment = sentiment;
                    longest = partText.length();
                }

            }
        }
        return mainSentiment;
    }
}

我从类NLP外部调用此init()和findSentiment()函数。

NLP.init();
System.out.println(status.getText() + " : " + NLP.findSentiment(status.getText()));

我的错误是: SentimentCoreAnnotations.AnnotatedTree无法解析为类型

最佳答案

尝试改变

Tree tree = sentence.get(SentimentCoreAnnotations.AnnotatedTree.class);

至

Tree tree = sentence.get(SentimentCoreAnnotations.SentimentAnnotatedTree.class);

关于java - SentimentCoreAnnotations.AnnotatedTree无法解析为一种类型，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/36813383/