From eb7b9d29e97777302cb9f1c70ccb2f491c4acb09 Mon Sep 17 00:00:00 2001 From: Chris Holmes Date: Thu, 22 Apr 2021 11:20:48 -0700 Subject: [PATCH] Attempt to provide the main text --- best-practices.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/best-practices.md b/best-practices.md index b12638d0..cba44bec 100644 --- a/best-practices.md +++ b/best-practices.md @@ -634,7 +634,7 @@ a number of the common official relations that are used in production STAC imple | via | The URL of the source metadata that this STAC Item or Collection is created from. Used similarly to canonical, but refers back to a non-STAC record (Landsat MTL, Sentinel tileInfo.json, etc) | | prev | Indicates that the link's context is a part of a series, and that the previous in the series is the link target. Typically used in STAC by API's, to return smaller groups of Items or Catalogs. | | next | Indicates that the link's context is a part of a series, and that the next in the series is the link target. Typically used in STAC by API's, to return smaller groups of Items or Catalogs. | -| preview | Indicates that the link's context is a part of a series, and that the next in the series is the link target. Typically used in STAC by API's, to return smaller groups of Items or Catalogs. | +| preview | This link relation can be used to "refer to a resource that serves as a preview of the link's context, likely with reduced quality or limited content" (from [rfc6903](https://tools.ietf.org/html/rfc6903#section-3)). For geospatial information this is generally a thumbnail, and in STAC this would usually be the same href as the [thumbnail](#thumbnail) asset, to enable more general clients to make use of it. | ### Versioning for Catalogs