Rebecca Isaacs Paul Barham James R. Bulpin Richard Mortier Dushyanth Narayanan Request extraction in Magpie: events, schemas and temporal joins. 17 2004 ACM SIGOPS European Workshop http://doi.acm.org/10.1145/1133572.1133608 conf/sigopsE/2004 db/conf/sigopsE/sigopsE2004.html#IsaacsBBMN04