Elasticsearch Search Improvements

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Let's talk about search improvements coming soon to an Elasticsearch near you!

Range Fields:
Want to create a global television guide to find broadcasts airing during certain time periods? Thanks to recent advancements in Lucene this desire is now a reality.

Removing the _all field:
The _all field can be either a boon or a burden. Come hear about why the _all field is going away and what it's being replaced with!

Unified Highlighter:
Starting in 5.3, a fourth highlighter called `unified` is available in Elasticsearch.

This highlighter has landed from Lucene with a goal in mind: he wants to rule them all ! We’ll see how and why this highlighter can advantageously replace your highlighter of choice.

The Synonym Graph Filter:
Multi-term synonyms have long been buggy in Lucene and Elasticsearch, but this issue is now fixed thanks to the addition of the new synonym_graph token filter, along with support for graph token streams in query parsers.

Jim Ferenczi

Jim Ferenczi is an Elasticsearch Engineer and a Lucene committer at The Apache Software Foundation. Before joining Elastic, Jim worked for Exalead on web search and for Rakuten on e-commerce search.

Lee Hinman

Lee is a core Elasticsearch developer. He enjoys traveling, emacs, and working on open source software.

Nick Knize

Nick Knize has a Ph.D. in GIS (aka Tetris) and left the world of Defense contracting in November 2014 to join Elastic. He is a core Elasticsearch developer focused on improving all things Geo. Based in Rockwall, Texas, Nick enjoys wakeboarding and playing ice hockey on all the ice Texas has to offer.