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Motor Vehicle Crashes and Complex Event Processing


 
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Old 12-31-2007
Motor Vehicle Crashes and Complex Event Processing

Tim Bass
Mon, 31 Dec 2007 03:19:30 +0000

The Research and Innovative Technology Administration (RITA) coordinates Department of Transportation’s (DOT) research programs.**RITA’s mission is to advance the deployment of*multi-disciplinary technologies to improve transportation system in the U.S.
Shaw-Pin Miaou, Joon Jin Song and Bani K. Mallick wrote a detailed paper, Roadway Traffic Crash Mapping: A Space-Time Modeling Approach, in RITA’s Journal of Transportation and Statistics.*** In their paper, the authors state that, “motor vehicle crashes are complex events involving the interactions of five major factors: drivers, traffic, roads, vehicles, and the environment.”
Maiou, Song and Mallick go on to say that “studies have shown that risk estimation using hierarchical Bayes models has several advantages over estimation using classical methods.”*** They also point out that “the overall strength of the Bayesian approach is its ability to structure complicated models, inferential goals, and analyses. Among the hierarchical Bayes methods, three are most popular in disease mapping studies: empirical Bayes (EB), linear Bayes (LB), and full Bayes methods.”
Maiou, Song and Mallick directly*reference two important problems that David Luckham recently mentioned during his keynote presentation at the 2007 Gartner Event Processing Symposium, traffic congestion*management and global*epidemic warning systems.**In addition, Jean Bacon, professor of distributed systems in Cambridge University's computer laboratory,*was recently*mentioned in the article*Fusing data to manage traffic.
As Maiou, Song and Mallick point out, motor vehicle crashes are complex events requiring the correlation of five situational objects (drivers, traffic, roads, vehicles, and the environment).* Each one of these five situational objects*may also be a complex event.***
We*often*see discussions and articles like “Is BAM (Business Activity Monitoring) Dead?”* or “It is CEP or Operational BI (Business Intelligence)?” or “Is it Event-Driven SOA or Just Plain Old SOA?”* These debates and discussions are red-herrings.
What is important to solving real problems*are real*solutions not*buzzwords and*three letter acronyms.**Please keep this in mind when using the term “complex event processing.”**
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