Blog

Nagios Plugins for Linux 18 released

Here is it, version 18 of the Nagios Plugins for Linux. It's manly a bugfix release with a fix for an issue recently pointed out by Paul Dunkler: some of the plugins did not terminate with the correct return code when reaching a warning or critical threshold. The check_memory plugin no more reports as cached memory the unreclaimable…

Gradient Boosting

Gradient boosting ensemble technique for regression Gradient boosting is a machine learning technique for regression and classification  problems, which produces a prediction model in the form of an ensemble of weak prediction models, typically decision trees. It builds the model in a stage-wise fashion like other boosting methods do, and it generalizes them by allowing optimization of…

Introduction to Deep Learning with Python

Introduction to Deep Learning with Python Alec Radford, Head of Research at indico Data Solutions, speaking on deep learning with Python and the Theano library. An amazing data science YouTube tutorial with emphasis on high performance computing, natural language processing using recurrent neural nets, and large scale learning with GPUs. This tutorial provides and excellent example of…

Neuroscientists simulate tiny part of rat brain

82 scientists and engineers simulate 37 million synapses in massive Blue Brain Project The Blue Brain Project, the simulation core of the European Human Brain Project, has released a draft digital reconstruction of the neocortical microcircuitry of a piece of the rat-brain neocortex — about a third of a cubic millimeter of brain tissue containing about…

Let’s Encrypt – Arriving Q4 2015

Encrypt the entire web Let’s Encrypt is a new, free, automated, and open certificate authority service provided by Internet Security Research Group (ISRG), a California public benefit corporation. The project aims to make encrypted connections in the World Wide Web the default case, by providing free X.509 certificates for Transport Layer Security encryption (TLS). They’ll be working towards general availability over…

Getting Started with Storm

"Getting Started with Storm", by Jonathan Leibiusky, Gabriel Eisbruch & Dario Simonassi. Countinuous Streaming Computation with Twitter's Cluster Technology. Even as big data is turning the world upside down, the next phase of the revolution is already taking shape: real-time data analysis. This hands-on guide introduces you to Storm, a distributed, JVM-based system for processing streaming data.…

SF Big Analytics – Update on Speech Recognition and HPC at Baidu Research

Baidu hosted SF Analytics Meetup at their Sunnyvale office on August 19th, 2015 - Updates on Speech Recognition, Deep Learning and HPC. SF Big Analytics Part 1. Deep Learning by Chief Scientist Andrew Ng SF Big Analytics Part 2. Bryan Catanzaro, Senior Researcher: "Why is HPC So Important to AI?" SF Big Analytics Part 3. Awni Hannun, Senior Researcher: "Update on Deep Speech"