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Apache OpenNLP 1.7.1 released

The Apache OpenNLP team is pleased to announce the release of version 1.7.1 of Apache OpenNLP.

The Apache OpenNLP library is a machine learning based toolkit for the processing of natural language text.

It supports the most common NLP tasks, such as tokenization, sentence segmentation, part-of-speech tagging, named entity extraction, chunking, parsing, and coreference resolution.

The OpenNLP 1.7.1 binary and source distributions are available for download from our download page: https://opennlp.apache.org/cgi-bin/download.cgi

The OpenNLP library is distributed by Maven Central as well. See the Maven Dependency page for more details: https://opennlp.apache.org/maven-dependency.html

Requirements

Java 1.8 is required to run OpenNLP. Maven 3.3.9 is required for building it.

Building from the Source Distribution

To build everything execute the following command in the root folder:

mvn clean install

The results of the build will be placed in: opennlp-distr/target/apache-opennlp-1.7.1-bin.tar.gz (or .zip)

What is new in Apache OpenNLP 1.7.1

This release introduces many new features, improvements and bug fixes.

Additionally, the release contains the following noteworthy changes:

  • Travis CI Integration

  • Added support to LETSMT format

  • All stdout can be disabled during training via verbose parameter

  • Improved and extended evaluation tests

  • Refactoring and cleanup of code base

  • Code fully migrated to Java 8

  • Added an improved GitHub README page

For a complete list of fixed bugs and improvements please see the RELEASE_NOTES file included in the distribution.

--The Apache OpenNLP Team

23 January 2017