Base Concepts in the African Languages Compared to Upper Ontologies and the WordNet Top Ontology Winston Anderson author Laurette Pretorius author Albert Kotzé author 2010-05 text Proceedings of the Seventh International Conference on Language Resources and Evaluation (LREC’10) Nicoletta Calzolari editor Khalid Choukri editor Bente Maegaard editor Joseph Mariani editor Jan Odijk editor Stelios Piperidis editor Mike Rosner editor Daniel Tapias editor European Language Resources Association (ELRA) Valletta, Malta conference publication anderson-etal-2010-base https://aclanthology.org/L10-1167/ 2010-05