1. Abramowicz, W., Kowalkiewicz, M., and Zawadzki, P., 2002, Tell me what you know or I’ll tell you what you know: Skill map ontology for information technology courseware, Issues and Trends of Information Technology Management in Contemporary Organizations, Mehdi Khosrow-Pour, ed., Information Resources Management Association International Conference, Seattle, USA, 2002, Information Science Publishing.
2. Abramowicz, W., Kowalkiewicz, M., and Zawadzki, P., 2003, Ontology Frames for IT Courseware Representation, in: Knowledge Management: Current Issues and Challenges, E. Coakes, ed., IRM Press.
3. Abramowicz, W., and Piskorski, J. 2002, Information Extraction for Free Text Business Documents, Issues and Trends of Information Technology Management in Contemporary Organizations, Mehdi Khosrow-Pour, ed., Information Resources Management Association International Conference, Seattle, USA, 2002, Information Science Publishing.
4. Ahmed, K., 2000, Topic maps for repositories, proc. XML Europe Conference, Paris.
5. Baeza-Yates, R., and Ribeiro-Neto, B., 1999, Modern Information Retrieval, ACM Press, Addison Wesley Longman Limited, USA.