1. Cauch, S., Chafee, J., Pretschner, A.: Ontology-Based User Profiles for Search and Browsing. Web Intelligence and Agent systems 1(3-4), 219–234 (2003)
2. Chirita, P.A., Nejdl, W., Paiu, R., Kohlschütter, C.: Using ODP metadata to personalize search. In: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, Salvador, Brazil (August 2005)
3. Dai, H., Mobasher, B.: Using Ontologies to Discover Domain-Level Web Usage Profiles. In: Proc. of the 2nd Workshop on Semantic Web Mining. PKDD 2002, Helsinki, Finland (August 2002)
4. Eirinaki, M., Vazirgiannis, M., Varlamis, I.: SEWeP: Using Site Semantics and a Taxonomy to Enhance the Web Personalization Process. In: Proceedings of the 9th SIGKDD Conference (2003)
5. Garofalakis, J., Giannakoudi, T., Sakkopoulos, E.: An Integrated Technique for Web Site Usage Semantic Analysis: The ORGAN System. Journal of Web Engineering (JWE), Special Issue Logging Traces of Web Activity 6(3), 261–280 (2007)