1. Biemann, C.: Ontology learning from text: a survey of methods. In: LDV Forum, vol. 20, no. 2 (2005)
2. Gruber, T.: Towards principles for the design of ontologies used for knowledge sharing. Int. J. Hum. Comput. Stud. 43(4–5), 907–928 (1995)
3. Studer, R., Benjamins, V.R., Fensel, D.: Knowledge engineering, principles and methods. Data Knowl. Eng. 25(1–2), 161–197 (1998)
4. Cimiano, P.: Ontology Learning and Population from Text: Algorithms, Evaluation and Applications. Springer, Heidelberg (2006)
5. Buitelaar, P., Cimiano, P., Magnini, B.: Ontology learning from text: an overview. In: Buitelaar, P., et al. (eds.) Ontology Learning from Text: Methods, Evaluation and Applications. IOS Press, Amsterdam (2005)