Thanks to everyone who listened to my talk. I'll be turning the content in to a blog post (or two), but in the meantime the content is linked below.  If you'd like to talk about Entity Centric Indexes or other things Elasticsearch you can find me on twitter.

Slides

https://docs.google.com/presentation/d/1N0k8CARPkfNR2kJ7WDXHClHpyFAfdvmFuo_QQJELK6g/edit?usp=sharing

Elasticsearch Transforms Demo Application

Demo Application I built to manage the transforms and generate demonstration data for the Scenarios I referenced.

https://github.com/tegud/dataframe-demos

Compose (The JavaScripty one)

https://github.com/tegud/SENTINEL.Composer.Builder
https://github.com/tegud/SENTINEL.Composer.Store

Disclaimer: The code is 3-5 years old, and I honestly haven't touched it in 3 years. Hopefully it'll give an idea of how it can be achieved