opengeospatial · kunlinyu · Jul 24, 2025
diff --git a/openapi/examples/collection.json b/openapi/examples/collection.json
@@ -2,7 +2,7 @@
   "id": "mfc-1",
   "title": "moving_feature_collection_sample",
   "itemType": "movingfeature",
-  "updateFrequency": 1000,
+  "samplingInterval": 1000,
   "extent": {
     "spatial": {
       "bbox": [
@@ -28,4 +28,4 @@
       "type": "application/json"
     }
   ]
-}
+}
diff --git a/openapi/examples/collections.json b/openapi/examples/collections.json
@@ -5,7 +5,7 @@
       "title": "MovingFeatureCollection_1",
       "description": "a collection of moving features to manage data in a distinct (physical or logical) space",
       "itemType": "movingfeature",
-      "updateFrequency": 1000,
+      "samplingInterval": 1000,
       "extent": {
         "spatial": {
           "bbox": [

diff --git a/openapi/examples/collections_post.json b/openapi/examples/collections_post.json
@@ -1,6 +1,6 @@
 {
   "title": "moving_feature_collection_sample",
-  "updateFrequency": 1000,
+  "samplingInterval": 1000,
   "description": "example",
   "itemType": "movingfeature"
-}
+}
diff --git a/openapi/ogcapi-movingfeatures-1.bundled.json b/openapi/ogcapi-movingfeatures-1.bundled.json
@@ -126,7 +126,7 @@
               },
               "example": {
                 "title": "moving_feature_collection_sample",
-                "updateFrequency": 1000,
+                "samplingInterval": 1000,
                 "description": "example",
                 "itemType": "movingfeature"
               }
@@ -204,7 +204,7 @@
       "put": {
         "operationId": "replaceMetadata",
         "summary": "Replace metadata about the collection",
-        "description": "A user SHOULD replace metadata with id `collectionId`.\n\nThe request body schema is the same the POST's one. \n\nHowever, `updateFrequency` property is NOT updated.\n",
+        "description": "A user SHOULD replace metadata with id `collectionId`.\n\nThe request body schema is the same the POST's one. \n\nHowever, `samplingInterval` property is NOT updated.\n",
         "tags": [
           "MovingFeatureCollection"
         ],
@@ -221,7 +221,7 @@
               },
               "example": {
                 "title": "moving_feature_collection_sample",
-                "updateFrequency": 1000,
+                "samplingInterval": 1000,
                 "description": "example",
                 "itemType": "movingfeature"
               }
@@ -1504,7 +1504,7 @@
               "https://www.opengis.net/def/crs/EPSG/0/4326"
             ]
           },
-          "updateFrequency": {
+          "samplingInterval": {
             "description": "a time interval of sampling location. The unit is millisecond.",
             "type": "number"
           }
@@ -1541,7 +1541,7 @@
             "description": "human readable title of the collection",
             "type": "string"
           },
-          "updateFrequency": {
+          "samplingInterval": {
             "description": "a time interval of sampling location. The unit is millisecond.",
             "type": "number"
           },
@@ -2719,7 +2719,7 @@
                   "title": "MovingFeatureCollection_1",
                   "description": "a collection of moving features to manage data in a distinct (physical or logical) space",
                   "itemType": "movingfeature",
-                  "updateFrequency": 1000,
+                  "samplingInterval": 1000,
                   "extent": {
                     "spatial": {
                       "bbox": [
@@ -2769,7 +2769,7 @@
               "id": "mfc-1",
               "title": "moving_feature_collection_sample",
               "itemType": "movingfeature",
-              "updateFrequency": 1000,
+              "samplingInterval": 1000,
               "extent": {
                 "spatial": {
                   "bbox": [
@@ -3389,4 +3389,4 @@
       }
     }
   }
-}
+}
diff --git a/openapi/ogcapi-movingfeatures-1.bundled.yaml b/openapi/ogcapi-movingfeatures-1.bundled.yaml
@@ -86,7 +86,7 @@ paths:
               $ref: '#/components/schemas/collection-body'
             example:
               title: moving_feature_collection_sample
-              updateFrequency: 1000
+              samplingInterval: 1000
               description: example
               itemType: movingfeature
       responses:
@@ -141,7 +141,7 @@ paths:
 
         The request body schema is the same the POST's one. 
 
-        However, `updateFrequency` property is NOT updated.
+        However, `samplingInterval` property is NOT updated.
       tags:
         - MovingFeatureCollection
       parameters:
@@ -153,7 +153,7 @@ paths:
               $ref: '#/components/schemas/collection-body'
             example:
               title: moving_feature_collection_sample
-              updateFrequency: 1000
+              samplingInterval: 1000
               description: example
               itemType: movingfeature
       responses:
@@ -1085,7 +1085,7 @@ components:
           example:
             - https://www.opengis.net/def/crs/OGC/1.3/CRS84
             - https://www.opengis.net/def/crs/EPSG/0/4326
-        updateFrequency:
+        samplingInterval:
           description: a time interval of sampling location. The unit is millisecond.
           type: number
     collections:
@@ -1110,7 +1110,7 @@ components:
         title:
           description: human readable title of the collection
           type: string
-        updateFrequency:
+        samplingInterval:
           description: a time interval of sampling location. The unit is millisecond.
           type: number
         description:
@@ -1883,7 +1883,7 @@ components:
                 title: MovingFeatureCollection_1
                 description: a collection of moving features to manage data in a distinct (physical or logical) space
                 itemType: movingfeature
-                updateFrequency: 1000
+                samplingInterval: 1000
                 extent:
                   spatial:
                     bbox:
@@ -1915,7 +1915,7 @@ components:
             id: mfc-1
             title: moving_feature_collection_sample
             itemType: movingfeature
-            updateFrequency: 1000
+            samplingInterval: 1000
             extent:
               spatial:
                 bbox:
@@ -2426,4 +2426,4 @@ components:
       description: local identifier of a temporal primitive value
       required: true
       schema:
-        type: string
+        type: string
diff --git a/openapi/openapi-movingfeatures-1.yaml b/openapi/openapi-movingfeatures-1.yaml
@@ -160,7 +160,7 @@ paths:
 
         The request body schema is the same the POST's one. 
 
-        However, `updateFrequency` property is NOT updated.
+        However, `samplingInterval` property is NOT updated.
       tags:
         - MovingFeatureCollection
       parameters:
@@ -620,4 +620,4 @@ paths:
             - Or a temporal property with the specified id was not found.
             - Or a temporal primitive primitive with the specified id was not found.
         '500':
-          $ref: "responses/ServerError.yaml"
+          $ref: "responses/ServerError.yaml"
diff --git a/openapi/schemas/collection.yaml b/openapi/schemas/collection.yaml
@@ -42,6 +42,6 @@ properties:
     example:
       - 'https://www.opengis.net/def/crs/OGC/1.3/CRS84'
       - 'https://www.opengis.net/def/crs/EPSG/0/4326'
-  updateFrequency:
+  samplingInterval:
     description: a time interval of sampling location. The unit is millisecond.
     type: number
diff --git a/openapi/schemas/requestBody/collection.yaml b/openapi/schemas/requestBody/collection.yaml
@@ -5,7 +5,7 @@ properties:
   title:
     description: human readable title of the collection
     type: string
-  updateFrequency:
+  samplingInterval:
     description: a time interval of sampling location. The unit is millisecond.
     type: number
   description:
@@ -14,4 +14,4 @@ properties:
   itemType:
     description: indicator about the type of the items in the moving features collection (the default value is 'movingfeature').
     type: string
-    default: "movingfeature"
+    default: "movingfeature"
diff --git a/standard/clause_8_requirements_resource_collection.adoc b/standard/clause_8_requirements_resource_collection.adoc
@@ -19,7 +19,7 @@ The schema for the collection information object presented in this clause is an
 |_links_            |M |A list of links for navigating the API (e.g. link to previous or next pages; links to alternative representations, etc.)
 |_extent_           |O |The spatiotemporal coverage of the collection.
 |*_itemType_*       |M |Fixed to the value "movingfeature".
-|*_updateFrequency_*  |O |A time interval of sampling location. The time unit of this property is millisecond.
+|*_samplingInterval*  |O |A time interval of sampling location. The time unit of this property is millisecond.
 |===
 
 NOTE: The _id_, _title_, _description_, _links_, _extent_, and _itemType_ properties were inherited from link:https://docs.ogc.org/DRAFTS/20-024.html#collection-description[OGC API — Common] and link:https://docs.ogc.org/is/17-069r3/17-069r3.html#_collections_[OGC API — Features].
@@ -113,4 +113,4 @@ A successful response to the *Collection* DELETE operation is an HTTP status cod
 include::requirements/collection_catalog/collection/REQ_response-collection-delete.adoc[]
 
 ==== Error situations
-General guidance on HTTP status codes and how they should be handled is provided in <<http-status-codes>>.
+General guidance on HTTP status codes and how they should be handled is provided in <<http-status-codes>>.
diff --git a/standard/examples/collection-post.adoc b/standard/examples/collection-post.adoc
@@ -7,7 +7,7 @@
  |                                                                   |
  | {                                                                 |
  |   "title": "MovingFeatureCollection_1",                           |
- |   "updateFrequency": 1000,                                        |
+ |   "samplingInterval": 1000,                                        |
  |   "description": "a collection of moving features to manage data  |
  |                   in a distinct (physical or logical) space",     |
  |   "itemType": "movingfeature"                                     |

diff --git a/...rd/requirements/collection_catalog/collection/REQ_operation-collection-put.adoc b/...rd/requirements/collection_catalog/collection/REQ_operation-collection-put.adoc
@@ -5,8 +5,8 @@
 ^|*Requirement {counter:req-id}* |*/req/mf-collection/collection-put*
 ^|A |An implementation of the OGC API - Moving Features Standard SHALL comply with the OGC API — Features `PUT` operation requirement http://docs.ogc.org/DRAFTS/20-002.html#_operation_2[`/req/create-replace-delete/update-put-op`].
 ^|B |An implementation of the OGC API - Moving Features Standard SHALL comply with the OGC API — Features `PUT` request body requirements http://docs.ogc.org/DRAFTS/20-002.html#_request_body_2[`/req/create-replace-delete/update-put-body` and `/req/create-replace-delete/update-put-content-type`].
-^|C |The content of the request body SHALL be based upon the <<collection-requestbody-schema, *Collection* request body schema>>, except `updateFrequency`. +
-If the `updateFrequency` is included in the request body, the server SHALL ignore it.
+^|C |The content of the request body SHALL be based upon the <<collection-requestbody-schema, *Collection* request body schema>>, except `samplingInterval`. +
+If the `samplingInterval` is included in the request body, the server SHALL ignore it.
 |===
 ////
 
@@ -19,9 +19,9 @@ identifier:: /req/mf-collection/collection-put
 // part:: An implementation of the OGC API - Moving Features Standard SHALL comply with the OGC API — Features `PUT` request body requirements http://docs.ogc.org/DRAFTS/20-002.html#_request_body_2[`/req/create-replace-delete/put-body` and `/req/create-replace-delete/put-content-type`].
 part:: For every resource in the collection, the server SHALL support the HTTP PUT operation.
 part:: The `Content-Type` header SHALL be used to indicate the media type of the request body containing the representation of the new resource content.
-part:: The content of the request body SHALL be based upon the <<collection-requestbody-schema, *Collection* request body schema>>, except `updateFrequency`. +
-If the `updateFrequency` is included in the request body, the server SHALL ignore it.
+part:: The content of the request body SHALL be based upon the <<collection-requestbody-schema, *Collection* request body schema>>, except `samplingInterval`. +
+If the `samplingInterval` is included in the request body, the server SHALL ignore it.
 ====
 
 [NOTE]
-See link:https://www.rfc-editor.org/rfc/rfc9110#field.content-type[section 8.3 of RFC 9110] for details of `Content-Type`.
+See link:https://www.rfc-editor.org/rfc/rfc9110#field.content-type[section 8.3 of RFC 9110] for details of `Content-Type`.
diff --git a/standard/requirements/common/REQ_parameter-datetime.adoc b/standard/requirements/common/REQ_parameter-datetime.adoc
@@ -35,7 +35,7 @@ Only features that have a temporal primitive geometry (and temporal primitive va
 --
 [.component,class=part]
 --
-Temporal primitive geometries (and temporal primitive values) are a half-bounded time interval (i.e., *_(t_s, t_e + updateFrequency]_*). The parameter value SHALL conform to the following syntax (using link:https://tools.ietf.org/html/rfc5234[ABNF]):
+Temporal primitive geometries (and temporal primitive values) are a half-bounded time interval (i.e., *_(t_s, t_e + samplingInterval]_*). The parameter value SHALL conform to the following syntax (using link:https://tools.ietf.org/html/rfc5234[ABNF]):
 [source]
 interval-bounded            = date-time "/" date-time
 interval-half-bounded-start = [".."] "/" date-time
@@ -55,4 +55,4 @@ When a double-dot (`..`) or an empty string is specified in a time interval, the
 --
 If the `datetime` parameter is provided by the client and supported by the server, then only collections whose temporal extent intersects the interval or instant of the `datetime` parameter and collections that do not describe a temporal extent SHALL be part of the result set.
 --
-====
+====