Tag Archives: performance

Process mining vs. data mining

In this post, I will try to highlight key differences between process mining and data mining, and explain why we should be paying greater attention than we currently are to the former.

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Defining real-time systems

In this post, I want to briefly discuss a broadly-misused term, and attempt to define it. When I say broadly misused, I mean exactly that. Whether on the job or elsewhere — such as today, at a webinar run by a prestigious analytics firm — the truth is most people who routinely use IT services do not have a proper understanding of the terms ‘real time’ or ‘real-time system.’ Continue reading

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Performance modeling: patient registration example

Queueing theory and modeling provide us with “closed-form” analytical solutions to problems involving, reasonably enough, queues.  Indeed, this type of performance-focused modeling is central to properly planning and sizing infrastructure and facilities of many types, from a new hospital building with interconnected services to servers, bridges, and routers on a distributed communications network, checkout registers at a retailer, toll booths (and lanes) on an interstate, conveyor belts at an airport, or teller and drive-through windows at a bank. Complex models can be joined to form queueing networks.

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