For Annif the similar functionality as offered by Maui is now available by MLLM backend.
Maui automatically identifies main topics in text documents. Depending on the task, topics are tags, keywords, keyphrases, vocabulary terms, descriptors, index terms or titles of Wikipedia articles.
There used to be a live demo, but that has since stopped working.
- term assignment with a controlled vocabulary (or thesaurus)
- subject indexing
- keyphrase extraction
- terminology extraction
- automatic tagging
- concept extraction
It can also be used for terminology extraction and semi-automatic topic indexing.
Googlecode project contains some (in parts outdated) documentation