[IEEE 16th IEEE Symposium on Mass Storage Systems in cooperation with the 7th NASA Goddard Conference on Mass Storage Systems and Technologies. Information-based Access to Storage: Foundation of Information Systems - San Diego, CA, USA (15-18 March 1999)] 16th IEEE Symposium on Mass Storage Systems in cooperation with the 7th NASA Goddard Conference on Mass Storage Systems and Technologies (Cat. No.99CB37098) - Clustered multimedia NOD: Popularity-based article prefetching and placement