Information Broker Agents in Intelligent Websites. In: Imam I, Kodratoff Y, El-Dessouki A, Ali M, editors. Multiple Approaches to Intelligent Systems (Proceedings of the 12th International Conference on Industrial and Engineering Applications of AI and Expert Systems and IEA/AIE'99). Vol vol. 1611. Springer Verlag and; 1999. pp. p. 430-9.
Visual and Textual Knowledge Representation in {DESIRE}. In: Imam I, Kodratoff Y, El-Dessouki A, Ali M, editors. Multiple Approaches to Intelligent Systems (Proceedings of the 12th International Conference on Industrial and Engineering Applications of AI and Expert Systems and IEA/AIE'99). Vol vol. 1611. Springer Verlag; 1999. pp. p. 306-315.
A Formal Knowledge Level Process Model of Requirements Engineering. In: Imam I, Kodratoff Y, El-Dessouki A, Ali M, editors. Multiple Approaches to Intelligent Systems (Proceedings of the 12th International Conference on Industrial and Engineering Applications of AI and Expert Systems and IEA/AIE'99). Vol vol. 1611. Springer Verlag and; 1999. p. 869-878.