Elasticsearch Query DSL - Not just for wizards...
Scaling real-time search and analytics with Elasticsearch
Elasticsearch Quick Introduction
Making sense of your data to give new insight - Elasticsearch at Findability Day 2014
Clinton Gormley – Elasticsearch Query DSL – Not just for wizards…- NoSQL matters Barcelona 2014
Advanced search for your legacy application - David Pilato - Codemotion Rome 2015
David Pilato - Advance search for your legacy application - NoSQL matters Paris 2015
Elasticsearch and Couchbase: Configuration to Capabilities to Real Time BI: Couchbase Connect 2015
Confessions of a newbie elasticsearch application developer
Mark Harwood - Building Entity Centric Indexes - NoSQL matters Dublin 2015
ElasticSearch - Introduction to Aggregations
Alternative aggregations for ISIC and CPC United Nations Statistics Division.