1. Amato, G., Rabitti, F., and Savino, P. (1998). Supporting Image Search on the Web. In The Challenge of Image Retrieval ,University of Northumbria, Newcastle.
2. Baader, F., Brckert, H.-J., Heinsohn, J., Hollunder, B., Mleer, J.,Nebel, B., Nutt, W., and Profitlich, H.-J.(1991). Terminological Knowledge Representation: A Proposal for a Terminological Logic. Technical Memo TM-90-04, Deutches Forschungszentrum fr Knstliche Intelligenz (DFKI).
3. Bechhofer, S. and Goble, C. (1997). Using a Description Logic to Drive Query Interfaces. In DL97 , International Workshop on Description Logics ,Gif sur Yvette, France.
4. Bechhofer, S. K., Goble, C. A., Rector, A. L., Solomon, W. D., and Nowlan, W. A. (1997). Terminologies and Terminology Servers for Information Environments. In Eighth International Workshop on Software Technology and Engineering Practice–STEP97, pages 484–497, London, UK. IEEE Computer Society.
5. Bjamestam, A. (1998). Description of an Image Retrieval System developed by Getty Images for the Tony Stone Images collection. In Workshop on Image Retrieval , University of Northumbria ,University of Northumbra, Newcastle.