Tech Blog

Recent Posts

Spark Secondary Sort Image
  • Sebastian Brestin
  • Software Engineer
  • 16 Apr 2019

Spark Secondary Sort

The purpose of the article is to present two secondary sort implementations using pySpark. The first implementation uses groupByKey while the secon...

Deep learning with point clouds Image
  • Romain Thalineau
  • Machine Learning Engineer
  • 27 Mar 2019

Deep learning with point clouds

Over the last decade, there have been outstanding progress in the field of 2D vision on tasks such as image classification, object detection or sem...

An introduction to backpropagation Image
  • Romain Thalineau
  • Machine Learning Engineer
  • 03 Apr 2018

An introduction to backpropag...

This article gives an introduction to backpropagation by deriving the equation for a simple network and implements it in Numpy to perform a classif...

Postgres data partitioning and Django Image
  • Sebastian Brestin
  • Software Engineer
  • 02 Feb 2018

Postgres data partitioning an...

Nowadays, Big Data is not only a trend, but also a new paradigm leading to radical changes in the software development methodologies. Because CPU c...