Big Data

Big Data: Correlations, Not Cause-and-Effect

Image by Marcos Gasparutti, CC license In their recently published book, “Big Data: A Revolution That Will Transform How We Live, Work, and Think,” Viktor Mayer-Schonberger and Kenneth Cukier say that big data will provide a lot of information that can be used to establish correlations, not necessarily precise cause and effect. But that might […]

Mem bus

What Is In-Memory Computing?

Image: Memory Bus by ARendle, CC license. In-memory computing, also known as massively parallel computing, is composed of two things: 1) huge amounts of RAM; and 2) huge amounts of processing power. In-memory computing is another technology leapfrogging the traditional data warehouse. An in-memory architecture uses data that is in the main memory (also known […]

data center

Big Data 101

Image: “Data Center.” by Stan Wlechers, CC license So what is Big Data, particularly Big Data analytics? Why all the hype? Big Data is what it implies: tons of data. We’re talking millions or billions of rows here – way too much for standard query tools accessing data on a disk. What would constitute “tons” […]

iot 3

Internet of Things: Hype or Hope?

An LG Smart Refrigerator.  Photo by David Berkowitz, CC license IoT is, as a breakthrough technology, not that exciting, but it does have some practical possibilities. The Internet of Things describes a network connected to physical objects.  These objects are either passive (another device must be used to detect them) or active (the object is […]