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Proceedings of the 2nd international workshop on Distributed event-based systems - DEBS '03
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with "relational subscriptions", to support timely updates to state derived from published messages while preserving high throughput, scalability, and reliability. Critical to our design is our service guarantee of "eventual correctness". Eventual correctness is a weaker guarantee than the ACID properties of conventional databases, yet is useful enough to deliver state that isdoi:10.1145/966637.966638 fatcat:ejanhuamyvgqtan7xgcnxtarq4