Quantitative and Qualitative Evaluation of the OntoLearn Ontology Learning System Roberto Navigli author Paola Velardi author Alessandro Cucchiarelli author Francesca Neri author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication navigli-etal-2004-quantitative https://aclanthology.org/C04-1150/ 2004-aug 23–aug 27 1043 1050