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Peter J. Denning, Editor in ChiefThe digitally connected world has become a large, swirling sea of information stripped of context. We help our readers make sense of it, find meaning in it, learn what to trust, and speculate on our future.

Peter J. Denning,



Rethinking Randomness: An interview with Jeff Buzen, Part II

August 2016
Interviewed by Peter J. Denning

In Part 1, Jeff Buzen discussed the basic principles of his new approach to randomness, which is the topic of his book Rethinking Randomness. He continues here with a more detailed discussion of models that have been used successfully to predict the performance of systems ranging from early time sharing computers to modern web servers. ...


Rethinking Randomness: An interview with Jeff Buzen, Part I

August 2016
Interviewed by Peter J. Denning

For more than 40 years, Jeffrey Buzen has been a leader in performance prediction of computer systems and networks. His first major contribution was an algorithm, known now as Buzen's Algorithm, that calculated the throughput and response time of any practical network of servers in a few seconds. Since then, he formulated a more complete theory of randomness, which he calls "observational stochastics." Last year he published the book "Rethinking Randomness," which lays out his new theory. We talked with Jeff Buzen about his work. ...


Automated Car Woes---Whoa There!

July 2016
by Peter G. Neumann

With all the growing interest in automated cars and driverless cars and recent accidents involving them, Peter G. Neumann offers an inventory of how automotive automation systems can fail. ...


Changing the Game: Dr. Dave Schrader on sports analytics

May 2016
Interviewed by Walter Tichy

Dave Schrader, known to his friends as "Dr. Dave," worked for 24 years in advanced development and marketing at Teradata, a major data warehouse vendor. In this interview, Schrader discusses how analytics is playing a significant role in professional sports--from Major League Soccer to the NBA. ...