Opera (research group)

   Posted by: dhcsoul   in Complex Event Processing

Your first time here? Welcome, I'm glad you've dropped in.... David Soul (aka Bricoleur)

“The Opera group is part of the larger Systems Research Group in Cambridge.”

“The focus of Opera group research is the design and deployment of
open, large-scale, widely distributed systems.  Two major thrusts are
in the areas of asynchronous middleware (the Cambridge Event
Architecture (CEA) and, more recently, Hermes) and an open, role-based,
access control architecture for secure internetworking services

“Our early work on …(CEA) extended the then-predominant,
object-oriented middleware (CORBA and Java) with a “publish, register,
notify” paradigm.  CEA events were typed to support the programming of
distributed, event-based applications.”

“Hermes is a publish/subscribe system where a network of event
brokers decouples publishers and subscribers.  This is in contrast with
CEA’s extensions to middleware for closely coupled components.  Hermes
uses XML for event transport while allowing standard programming
languages for Java for typed-event programming in event systems.”

“Ecco aims to be an event-based distributes system over peer-to-peer
networks in a multi-event broker model that adapts to mobile computing
environemnts and web services.”

“Combining event-condition-action-rules, complex event composition
and detection with event-based systems will provide a way to construct
large distributed systems. – goto
originally Posted to cep.weblogger.com by David Soul on 1/15/05; 5:49:14 PM
in the CEP section.

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Tags: CEP, Complex Event Processing, design, filters, model, predictions, Systems

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