The Apache OpenNLP team is pleased to announce the release of version 1.8.1 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 1.8.1 binary and source distributions are available for download from our download page.
The OpenNLP library is distributed by Maven Central as well. See the Maven Dependency page for more details.
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:
This release introduces many new features, improvements and bug fixes. The API has been improved for a better consistency and many deprecated methods were removed. Java 1.8 is required.
Additionally the release contains the following noteworthy changes:
A new Language Detection Component
Support for Irish Sentence Bank formats
Support to train the sentence detector and tokenizer on the UD corpus
Evaluation tests now support ISO-639-3 language codes
Convenience methods to load models from a path
Refactored the Data Indexer Code
Optimized NGram creation loop to better leverage CPU cache
Remove deprecated code from util package
Redesigned web site - https://opennlp.apache.org
New logo for the project
A detailed list of the issues related to this release can be found in the release notes.
Thanks again to all contributors and committers for their help.
--The Apache OpenNLP Team
08 July 2017