Search with k-NN filters (#1814)

* new file for knn filter searches

Signed-off-by: alicejw <[email protected]>

* for knn filter queries

Signed-off-by: alicejw <[email protected]>

* more details and include graphic

Signed-off-by: alicejw <[email protected]>

* add graph of filtered doc set

Signed-off-by: alicejw <[email protected]>

* add release label

Signed-off-by: alicejw <[email protected]>

* filters are defined by Query DSL

Signed-off-by: alicejw <[email protected]>

* more details about how the algorithm works and how to specify lucene as the search engine

Signed-off-by: alicejw <[email protected]>

* more refining sentences

Signed-off-by: alicejw <[email protected]>

* for response samples

Signed-off-by: alicejw <[email protected]>

* reorg heading levels

Signed-off-by: alicejw <[email protected]>

* more rewrites for clarity

Signed-off-by: alicejw <[email protected]>

* to add the complex filter query

Signed-off-by: alicejw <[email protected]>

* update response for complex query

Signed-off-by: alicejw <[email protected]>

* for typo

Signed-off-by: alicejw <[email protected]>

* for rewrites to overview

Signed-off-by: alicejw <[email protected]>

* to add better request/response for the complex filter example

Signed-off-by: alicejw <[email protected]>

* for eng review update

Signed-off-by: alicejw <[email protected]>

* format fix for example

Signed-off-by: alicejw <[email protected]>

* for filter selectiveness use case section

Signed-off-by: alicejw <[email protected]>

* for new workflow diagram and description

Signed-off-by: alicejw <[email protected]>

* update section headings

Signed-off-by: alicejw <[email protected]>

* add image for algorithm workflow diagram

Signed-off-by: alicejw <[email protected]>

* reorg sections to make more concise

Signed-off-by: alicejw <[email protected]>

* explain selectiveness percentage

Signed-off-by: alicejw <[email protected]>

* more rewrites to complex query description

Signed-off-by: alicejw <[email protected]>

* define complex query

Signed-off-by: alicejw <[email protected]>

* more rewrites

Signed-off-by: alicejw <[email protected]>

* for tech review feedback and add new information

Signed-off-by: alicejw <[email protected]>

* to blend new Boolean query example into filter approaches section

Signed-off-by: alicejw <[email protected]>

* for complex query description clarity

Signed-off-by: alicejw <[email protected]>

* more rewrites

Signed-off-by: alicejw <[email protected]>

* typo

Signed-off-by: alicejw <[email protected]>

* eng review updates

Signed-off-by: alicejw <[email protected]>

* nit for grammar

Signed-off-by: alicejw <[email protected]>

* to fix incorrect descriptions of restrictive filters

Signed-off-by: alicejw <[email protected]>

* to fix incorrect descriptions of restrictive filters

Signed-off-by: alicejw <[email protected]>

* for doc review feedback updates

Signed-off-by: alicejw <[email protected]>

* minor grammar change

Signed-off-by: alicejw <[email protected]>

* removed figure and table titles, per AWS Style Guide

Signed-off-by: alicejw <[email protected]>

* remove table title per style guide

Signed-off-by: alicejw <[email protected]>

* update nav orders for all pages to give space for new topics in multiples of 5, and add links to other knn topics where appropriate

Signed-off-by: alicejw <[email protected]>

* small rewrite

Signed-off-by: alicejw <[email protected]>

* for second doc review comments

Signed-off-by: alicejw <[email protected]>

* Update _search-plugins/knn/filter-search-knn.md

Co-authored-by: Nate Bower <[email protected]>

* Update _search-plugins/knn/filter-search-knn.md

Co-authored-by: Nate Bower <[email protected]>

* for editorial review updates

Signed-off-by: alicejw <[email protected]>

* for editorial review updates

Signed-off-by: alicejw <[email protected]>

* fix cross-ref link

Signed-off-by: alicejw <[email protected]>

* fix undone commit suggestions

Signed-off-by: alicejw <[email protected]>

Signed-off-by: alicejw <[email protected]>
Co-authored-by: Nate Bower <[email protected]>

_search-plugins/knn/api.md

@@ -1,7 +1,7 @@
 ---
 layout: default
 title: API
-nav_order: 5
+nav_order: 30
 parent: k-NN
 has_children: false
 ---

_search-plugins/knn/approximate-knn.md

@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Approximate search
-nav_order: 2
+nav_order: 10
 parent: k-NN
 has_children: false
 has_math: true