Automate your keyword extraction & subject indexing

The open-source tool Māui helps to analyze, categorize and access any kind of document; research papers, patents, documentation, news articles or blog posts. Māui uses a combination of Natural Language Processing (NLP) and Machine Learning to quickly and accurately assign metadata and extract the main topics of documents.

marketingAs good as people

  • Māui has been proven to achieve human-competitive performance in both academic and commercial settings.


  • Māui can be trained to mimic your experts indexing style. It can also be customised to extract expertise keywords.


  • Works with your own classification, dictionary or thesaurus, or with Wikipedia.

What Māui can do for you

  • Assign terms with a controlled vocabulary (taxonomy or thesaurus)
  • Index subject headings
  • Extract keywords and key phrases
  • Link entities (index topics with terms from Wikipedia)
  • Extract terminologies
  • Generate automatic tagging

Experience and Expertise

Māui is an open-source software and the product of Dr. Alyona Medelyan’s many years of research while obtaining her Masters and PhD degrees at the University of Waikato. Alyona’s work has been published in numerous journal and conference proceedings and Māui has been used by thousands of developers worldwide.