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at PHP UK Conference 2014
"Small Data" Machine Learning
at PHP UK Conference 2013
A Knapsack of Geotools: More than Just Google Maps
at Dutch PHP Conference 2012
ElasticSearch [R]evolution: Welcome
99 Problems, But The Search Ain't One
at PHP UK Conference 2011
All the Little Pieces: Distributed systems with PHP
at Dutch PHP Conference 2009
PHP: People, Code, Ideas