TODS - September 2003, Volume 28, Number 3 Are quorums an alternative for data replication? Ricardo Jiménez-Peris Marta Patiño-Martínez Gustavo Alonso Bettina Kemme Removing permissions in the flexible authorization framework Duminda Wijesekera Sushil Jajodia Francesco Parisi-Presicce Åsa Hagström Iterative spatial join Edwin H. Jacox Hanan Samet Return to TODS session listing ©2004 Association for Computing Machinery