STEAM (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)

STEAM: Scalable Timed Events and Mobility (department of Computer Science, Trinity College Dublin)

“Middleware supporting even-based communication is widely recognized
as being well suited to mobile applications since it naturally
accomodates a dynamically changing population of interacting entities
and the dynamic reconfiguration of the connections between them.”

“With the increased research in mobile ad hoc networks new
application domains, for example mobile robotics and traffic management
have emerged.”

“Existing research on event-based middleware for wireless networks has mainly focused on what may be termed nomadic applications. …. In contrast we focus on collaborative applications.  These
applications are composed of mobile nodes that use use the wireless
network to communicate with each other within some common geographical
area.  Although these applications may use infrastructure networks,
they will often use ad hoc networks to support communciation without the need for a separate infrastructure.”

“We are particularly interested in collaborative applications with
real-time constraints for timeliness and reliability, for example
communication between mobile robots or inter-vehicle communication. 
Timely and reliable communication is essential for applications in
these domains to be realised.  The real-time event-based communication
paradigm has been recognized as an appropriate high-level communication
scheme to connect autonomous components in large distributed control

“STEAM is an event-based middleware designed for use in ad hoc
networks.  STEAM differs from other event-based middleware in that its
architecture does not rely on the presence of any separate
infrastructure, event notification filters are distributed, and
filtering may be applied to functional and non functional attributes.”

“In particular, filters may be applied to either the subject or the
content of an event notification, or to non-functional attributes such
as location and time.  Filters may be used to define geographical areas
within which notifications are valid, therby bounding the propogation
of these notifications.”

“To achieve real-time event-based communciation in a dynamic mobile
ad hoc wireless network the unpredictability inherent in the
environment must be reduced.  STEAM will use predictive components ….”- goto

originally Posted to cep.weblogger.com by David Soul on 1/15/05; 10:58:54 PM
in the CEP section.

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Tags: CEP, Complex Event Processing, design, filters, predictions, Robot, Robotics, science, Systems

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