Another research project, which was sponsored by the European Union, dealt with "The Development of Multilingual Retrieval systems", and was called CACAO (Cross-Language Access to Catalogues and On-Line Libraries).
Die Bibliothek beteiligt sich an einem von der Europäischen Union geförderten Forschungsprojekt zum Thema „Entwicklung mehrsprachiger Retrievalsysteme“, genannt CACAO (Cross-Language Access to Catalogues and On-line Libraries).