MG4J (Managing Gigabytes for Java) is a free full-text search engine for large document collections written in Java.
'it.unimi.di:mg4j:5.2'
<dependency> <groupId>it.unimi.di</groupId> <artifactId>mg4j</artifactId> <version>5.2</version> </dependency>
<dependency org="it.unimi.di" name="mg4j" rev="5.2"/>
"it.unimi.di", "mg4j", "5.2"