ICDT'03 - Invited Papers Approximations in Database Systems Yannis E. Ioannidis Open Problems in Data-Sharing Peer-to-Peer Systems Neil Daswani Hector Garcia-Molina Beverly Yang Bioinformatics Adventures in Database Research Jinyan Li See-Kiong Ng Limsoon Wong Return to ICDT'03 Sessions ©2005 Association for Computing Machinery