Add service link recommendation.

core/recommendations/ogc-process-description/REC_links.adoc

@@ -0,0 +1,16 @@
+[[rec_ogc-process-description_process-links]]
+[recommendation]
+====
+[%metadata]
+identifier:: /rec/ogc-process-description/process-links
+
+[.component,class=part]
+--
+Each process description SHOULD include a link (`rel="service"`) pointing to the landing page of the service offering this process.
+--
+
+[.component,class=part]
+--
+All links SHOULD include the `rel` and `type` link parameters.
+--
+====

core/sections/clause_5_conventions.adoc

@@ -26,9 +26,9 @@ To express relationships between resources, <<rfc8288,RFC 8288 (Web Linking)>> i
 
 The following https://www.iana.org/assignments/link-relations/link-relations.xhtml[link relation types] are used in this document.
 
-* **alternate**: Refers to a substitute for the link's context.
+* **service**: Indicates a URI that can be used to retrieve a service document (e.g. a service landing page).
 
-* **license**: Refers to a license associated with the link's context.
+* **alternate**: Refers to a substitute for the link's context.
 
 * **monitor**: Identifies a resource that can use used to monitor changes in a resource.
 

core/sections/clause_8_ogc-process-description.adoc

@@ -37,6 +37,8 @@ include::../requirements/ogc-process-description/REQ_json-encoding.adoc[]
 
 include::../requirements/ogc-process-description/REQ_links.adoc[]
 
+include::../recommendations/ogc-process-description/REC_links.adoc[]
+
 .Schema for a process
 [source,yaml]
 ----