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| Here's how to use fast, scalable relational databases to build event-oriented applications. (This post is a collaboration between O'Reilly and VoltDB.) |
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| Yahoo has released the Kafka Manager on GitHub. It's a web-based tool (built in Scala) used to identify topics that are unevenly distributed across the cluster. It also helps manage multiple clusters, preferred replica election, replica re-assignment, and topic creation. Related: Jay Kreps, one of Kafka’s creators (and O’Reilly author), discussed building Apache Kafka in a recent episode of the O'Reilly Data Show Podcast. |
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| Scientists are gathering DNA in the New York City subway system in an 18-month urban microbiology project to map germs and create a genetic profile of a metropolitan transit system. They found "germs that can cause bubonic plague uptown, meningitis in midtown, stomach trouble in the financial district and antibiotic-resistant infections throughout the boroughs" (not to mention kimchi and mozzarella bacteria)—and, quite possibly, a new way to look at public health through big data. (There's also an interesting data viz mapping bacteria by type and by train station.) |
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| If you saw skateboarding legend Rodney Mullen’s Strata 2014 talk, you might be interested in this Wired profile. Rodney makes some really interesting parallels between skateboarding and technology. |
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| The U.S. Army recently released on GitHub a version of the Dshell forensic analysis code that's used to help detect and understand cyber attacks. With it, you can develop (and hopefully share) custom analysis modules based on compromises that the DoD has encountered. |
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| Werner Koch’s code, the GNU Privacy Guard, powers email encryption programs around the world. Since 1997, he has kept it alive with patches and updates—all without being paid. After a couple decades of that (and a family), he was ready to give it up to "take a straight job." But after Julie Angwin's article ran, donations flooded in from individuals, the Linux Foundation, Facebook, and Stripe; enough to keep Werner going, at least for awhile. (You may remember Julie from her talk at Strata + Hadoop World in NYC last year.) |
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 This collection of videos and ebooks is for beginners who want to get up and running quickly to gain a thorough command of Hadoop. For one week only, save 60% on the complete Hadoop Starter Kit (or 50% off individual titles). Use discount code HDSKIT—Deal expires Thursday Feb 12, 2015.
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| The number of people who drowned by falling into a swimming pool correlates with the number of films Nicolas Cage appeared in. The divorce rate in Maine correlates with the per capita consumption of margarine. This site is completely useless (except to help explain the difference between correlation and causation), but it's strangely fascinating. |
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| DJ has agreed to speak at Strata + Hadoop World again next week. Odds are, you've read at least one of his free reports—Data Driven: Creating a Data Culture (with Hilary Mason), Building Data Science Teams or Data Jujitsu: The Art of Turning Data into Product or his Radar posts. |
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 Strata + Hadoop World in San Jose next week is about to sell out, but you can still get into London at Best Price if you register by tomorrow (Thursday Feb 12).
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| Here are some practical machine-learning applications and strategies from experts in active learning. |
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 If you're getting started with data science in the cloud, this new free report, "Data Science in the Cloud with Azure Machine Learning and R," will show you how to manipulate data, and construct and evaluate models in Azure ML, using a complete data science example. Thanks go to Microsoft for sponsoring this week's free download.
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