Slides give an overview over the actual situation of AAI and the used technologies (SAML, OAuth) and implementations (Shibboleth, ...) and outlook to a possible future
Annif is an open source toolkit for automated subject indexing. It integrates several machine learning and AI based algorithms for text classification.
M. Gärtner, U. Hahn, and S. Hermann. Proceedings of the Eleventh International Conference on Language Resources and Evaluation (LREC 2018), page 563--570. Paris, France, European Language Resources Association (ELRA), (May 2018)