GEM - an interpreted language for event monitoring. The paper discusses the effect of communications delays on composite event detection and presents a tree based solution for dealing with out-of-order event arrivals at event monitors. 

This is one approach to a problem so common in complex event systems that it must be addressed by any system claiming to handle more than simple event processing.- goto

originally Posted to cep.weblogger.com by David Soul on 2/16/04; 12:12:45 AM in the CEP section.