NLP4J [001a] Morphological analysis in Java (using Yahoo! Developer Network Japanese morphological analysis)

Index

What is Yahoo! Developer Network Japanese Morphological Analysis?

Japanese morphological analysis API provided by Yahoo! Japan.

Text analysis: Japanese morphological analysis-Yahoo! Developer Network https://developer.yahoo.co.jp/webapi/jlp/ma/v1/parse.html

Maven POM

<dependency>
	<groupId>org.nlp4j</groupId>
	<artifactId>nlp4j-core</artifactId>
	<version>1.3.0.0</version>
</dependency>
<dependency>
	<groupId>org.nlp4j</groupId>
	<artifactId>nlp4j-yahoojp</artifactId>
	<version>1.3.0.0</version>
</dependency>

Preparing APP ID

If you have already obtained an APP ID on the Yahoo! Developer Network (https://developer.yahoo.co.jp/), set it in the JVM environment variable (yhoo_jp.appid) as shown below and execute it.

Even if you have not acquired it, if you want to move it for the time being, it will work for the time being even if you do not have it. Please obtain an APP ID as soon as possible.

-Dyhoo_jp.appid=YOUR_CODE

code

package example;
import java.util.ArrayList;
import nlp4j.Keyword;
import nlp4j.yhoo_jp.YJpMaService;

public class HelloYahooNLP1 {

	public static void main(String[] args) throws Exception {
		//Natural text
		String text = "It is a good weather today.";

		Document doc = new DefaultDocument();
		//Set as attribute "text"
		doc.putAttribute("text", text);

		// Yahoo!JP annotator
		YJpMaAnnotator annotator = new YJpMaAnnotator();
		//Specify the attribute to be processed
		annotator.setProperty("target", "text");
		//Morphological analysis processing
		annotator.annotate(doc); // throws Exception

		//Keyword output
		for (Keyword kwd : doc.getKeywords()) {
			System.err.println(kwd);
		}
	}
}

result

The output result is as follows. I was able to get the result of morphological analysis with a short code.

today[facet=noun, str=today]
Is[facet=Particle, str=Is]
Good[facet=adjective, str=Good]
weather[facet=noun, str=weather]
is[facet=Auxiliary verb, str=is]
。 [facet=Special, str=。]

Project URL

https://www.nlp4j.org/

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