van Bommel, Martin, and Ernst J. Schuegraf. “Automatic Generation of Index Phrases for Document Retrieval Using Semantic and Syntactic Information”. Proceedings of the Annual Conference of CAIS / Actes du congrès annuel de l’ACSI (July 18, 2022). Accessed April 24, 2025. https://journals.library.ualberta.ca/ojs.cais-acsi.ca/index.php/cais-asci/article/view/1582.