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The mission of the Apache Software Foundation (ASF) is to provide software for the public good. ASF does this by providing services and support for many like-minded software project communities of individuals who choose to join the ASF. Established in 1999, the ASF is a US 501(c)(3) charitable organization, funded by individual donations and corporate sponsors. Their all-volunteer board oversees more than 350 leading open source projects, including Apache HTTP Server -- the world's most popular Web server software.

The ASF provides an established framework for intellectual property and financial contributions that simultaneously limits potential legal exposure for our project committers. Through the ASF's meritocratic process known as "The Apache Way," more than 730 individual Members and 7,000 Committers successfully collaborate to develop freely available enterprise-grade software, benefiting millions of users worldwide: thousands of software solutions are distributed under the Apache License; and the community actively participates in ASF mailing lists, mentoring initiatives, and ApacheCon, the Foundation's official user conference, trainings, and expo.

Product Overview

Apache Jena

Apache Jena is a free and open-source Java framework for building Semantic Web and linked data applications.

Apache Solr

Solr is a popular, open-source enterprise search platform built on Apache Lucene. Solr is highly reliable, scalable, and fault tolerant, providing distributed indexing, replication, and load-balanced querying, automated failover and recovery, centralized configuration, and more. Solr runs as a standalone full-text search server. It uses the Lucene Java search library at its core for full-text indexing and search, and has REST-like HTTP/XML and JSON APIs that make it usable from most popular programming languages. Solr's external configuration allows it to be tailored to many types of application without Java coding, and it has a plugin architecture to support more advanced customization. Apache Lucene and Apache Solr are both produced by the same Apache Software Foundation development team.

Solr powers the search and navigation features of many of the world's largest internet sites.

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.