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Building an Online Recommendation Engine with MongoDB and Mahout, Part 2

This is the second entry of the series of blog posts about building an online recommendation system based on MongoDB and Mahout. We presented...

0 replies - 1177 views - 03/05/13 by Daniel Bartl in Articles

Building an Online Recommendation Engine with MongoDB and Mahout

Once upon a time there was a Munich pizza baker who developed a technique to beam pizza out of bright sunshine. He can produce more than a thousand pizzas per...

0 replies - 2644 views - 03/05/13 by Daniel Bartl in Articles

WANdisco Announces Free Online Hadoop Training Webinars

We’re excited to announce a series of free one-hour online Hadoop training webinars, starting with four sessions in March and April. Time will be...

0 replies - 521 views - 03/05/13 by Jessica Thornsby in Articles

Stream Processing Has No Query Layer

When it comes to real-time big data, stream processing frameworks are an interesting alternative to MapReduce. Instead of storing and crunching data in...

0 replies - 2560 views - 03/04/13 by Mikio Braun in Articles

Installing Git and Virtualenv on Linux or Mac

For Debian/Ubuntu Linux: sudo apt-get install git python-setuptools For Redhat/Fedora Linux: sudo yum install git python-setuptools For...

0 replies - 2588 views - 03/04/13 by Col Wilson in Articles

8 Lessons in Deployment Tooling Lessons Learned

It didn’t take long. A few months after we released an open source continuous integration tool (Anthill) in 2001, we were asked, “It’s great that I have...

0 replies - 3208 views - 03/04/13 by Eric Minick in Articles

Exposure with Binomial Responses

Last week, we’ve seen how to take into account the exposure to compute nonparametric estimators of several quantities (empirical means, and...

0 replies - 867 views - 03/04/13 by Arthur Charpentier in Articles

Averaging Languages Spoken, Dumbassification of Academia, and More Data Links

This week, as usual, there is much more to read somewhere else than on my own blog.“Average number of languages spoken in different countries”...

0 replies - 1592 views - 03/03/13 by Arthur Charpentier in Articles

ETS Models Now in EViews 8

The ETS mod­el­ling frame­work devel­oped in my 2002 IJF paper (with Koehler, Sny­der and Grose), and in my 2008...

0 replies - 1152 views - 03/03/13 by Rob J Hyndman in Articles

Quick Tip - Make Apache's Directory Indexes Look Nicer on Mobile

If you use Apache, then you most likely have DirectoryIndex enabled on your development server. This is the feature that lets you request a directory without a...

0 replies - 4058 views - 03/03/13 by Raymond Camden in Articles

Covariant and Contravariant

The terms covariant and contravariant come up in many contexts. An earlier post discussed how the terms are used in programming and...

0 replies - 1601 views - 03/02/13 by John Cook in Articles

Broken Tools - Liveblogging LinerNotes.com

“Equipment in action operates in an inconspicuous usefulness, doing its work without our noticing it. When the tool fails, its unobtrusive quality is ruined....

0 replies - 1221 views - 03/02/13 by George London in Articles

The Ship Show: Demystifying DevOps - A Chat with Damon Edwards

Starting today, DZone is proud to syndicate The Ship Show, a twice-monthly podcast on everything from build engineering to DevOps to release...

0 replies - 2065 views - 03/01/13 by Paul Reed in Articles

Can't Create New Network Sockets? Maybe It Isn't User Limits...

I’ve been doing a lot more programming in Go recently, mostly because it has awesome concurrency primitives but also because it is generally a...

0 replies - 1287 views - 03/01/13 by Oliver Hookins in Articles

Is Your Code Structured Like This?

JUnit's evolving structure. JUnit is a masterpiece. As Martin Fowler tells us, "JUnit was born on a flight from Zurich to the 1997 OOPSLA in...

7 replies - 7000 views - 03/01/13 by Edmund Kirwan in Articles