1. G. Ahanger and T.D.C. Little ?A system for customized news delivery from video archives,? in International Conference on Multimedia Computing and Systems, Ottawa, Canada, June 1997.
2. N. Correia and M. Boavida ?Towards an integrated personalization framework: A taxonomy and work proposals,? Workshop on Personalization in Electronic Publishing, Malaga, Spain, Nov. 2001.
3. M. Costa, N. Correia, and N. Guimares ?Annotations as multiple perspectives of video content,? ACM Multimedia 2002, Juan Les Pins, France, Dec. 2002.
4. D. Dale and R. Rog ?The need for a meta-tag standard for audio and visual materials,? International Conference on Dublin Core and Metadata for e-Communities, Florence, Italy, Oct. 2002.
5. G. Davenport and M. Murtaugh ?ConText: Towards the evolving documentary,? ACM Multimedia?95, San Francisco, USA, Nov. 1995.