In an earlier post, How to Build an Autocomplete Feature with Elasticsearch, we showed how to build a basic autocomplete that looks for all documents in the index. This feature is good for the generic autocomplete feature, but it is not enough if your index has a lot of product categories, for example. Therefore, in this post we’ll explore context-based autocompletion, which will help you implement intelligent filtering based on categories and geo points. Let’s get started!

Keep reading