Core NLP Example

.gitignore

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+.idea/
+target/
+
+*.iml

README.md

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+Stanford Core NLP Example

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>com.techprimers.nlp</groupId>
+    <artifactId>core-nlp-example</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>edu.stanford.nlp</groupId>
+            <artifactId>stanford-corenlp</artifactId>
+            <version>3.2.0</version>
+        </dependency>
+        <dependency>
+            <groupId>edu.stanford.nlp</groupId>
+            <artifactId>stanford-corenlp</artifactId>
+            <version>3.2.0</version>
+            <classifier>models</classifier>
+        </dependency>
+        <dependency>
+            <groupId>edu.stanford.nlp</groupId>
+            <artifactId>stanford-parser</artifactId>
+            <version>3.2.0</version>
+        </dependency>
+
+    </dependencies>
+
+
+</project>

src/main/java/CoreNlpExample.java

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+import edu.stanford.nlp.ling.CoreAnnotations;
+import edu.stanford.nlp.ling.CoreLabel;
+import edu.stanford.nlp.pipeline.Annotation;
+import edu.stanford.nlp.pipeline.StanfordCoreNLP;
+import edu.stanford.nlp.util.CoreMap;
+
+import java.util.List;
+import java.util.Properties;
+
+public class CoreNlpExample {
+
+    public static void main(String[] args) {
+
+        // creates a StanfordCoreNLP object, with POS tagging, lemmatization, NER, parsing, and coreference resolution
+        Properties props = new Properties();
+        props.setProperty("annotators", "tokenize, ssplit, pos, lemma, ner, parse, dcoref");
+        StanfordCoreNLP pipeline = new StanfordCoreNLP(props);
+
+        // read some text in the text variable
+        String text = "What is the Weather in Bangalore right now?";
+
+        // create an empty Annotation just with the given text
+        Annotation document = new Annotation(text);
+
+        // run all Annotators on this text
+        pipeline.annotate(document);
+
+        List<CoreMap> sentences = document.get(CoreAnnotations.SentencesAnnotation.class);
+
+        for (CoreMap sentence : sentences) {
+            // traversing the words in the current sentence
+            // a CoreLabel is a CoreMap with additional token-specific methods
+            for (CoreLabel token : sentence.get(CoreAnnotations.TokensAnnotation.class)) {
+                // this is the text of the token
+                String word = token.get(CoreAnnotations.TextAnnotation.class);
+                // this is the POS tag of the token
+                String pos = token.get(CoreAnnotations.PartOfSpeechAnnotation.class);
+                // this is the NER label of the token
+                String ne = token.get(CoreAnnotations.NamedEntityTagAnnotation.class);
+
+                System.out.println(String.format("Print: word: [%s] pos: [%s] ne: [%s]", word, pos, ne));
+            }
+        }
+    }
+}