Extended schemas to accept a string a json-ld @context element.

json-schemas/access_schema.json

@@ -4,7 +4,16 @@
   "description": "Information about resources that provide the means to obtain an asset (a dataset or other research object).",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Access" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/activity_schema.json

@@ -4,7 +4,16 @@
   "description": "A type of process scheduled in a study.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Activity" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/alternate_identifier_info_schema.json

@@ -4,7 +4,16 @@
   "description": "Information about an alternate identifier (other than the primary).",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "AlternateIdentifier" ]},
     "identifier": {
       "description": "An identifier or identifiers other than the primary Identifier applied to the resource being registered. (definition from DataCite)",

json-schemas/anatomical_part_schema.json

@@ -4,7 +4,16 @@
   "description": "A structure that is part of a multicellular organism.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "AnatomicalPart" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/annotation_schema.json

@@ -4,7 +4,16 @@
   "description": "A pair of value (string or numeric) with a corresponding ontology term (IRI), if applicable.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Annotation" ]},
     "value": {
       "oneOf": [

json-schemas/biological_entity_schema.json

@@ -4,7 +4,16 @@
   "description": "A biological entity is a recognized entity covering biological process, molecular functions or cellular components (from: http://geneontology.org/).",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "BiologicalEntity" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/category_values_pair_schema.json

@@ -4,7 +4,16 @@
   "description": "Extension mechanism for DATS, which allows to add extra properties to the entities. It should be used only for cases where there are no specific properties to deal with the desired property.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "CategoryValuesPair" ]},
     "category": {
       "description": "A characteristic or property about the entity this object is associated with.",

json-schemas/data_acquisition_schema.json

@@ -4,7 +4,16 @@
     "description": "Process (or activity) of generating data through measurement made with specific techniques.",
     "type": "object",
     "properties": {
-        "@context": { "type": "object"},
+        "@context": {
+            "anyOf": [
+                {
+                    "type": "string"
+                },
+                {
+                    "type": "object"
+                }
+            ]
+        },
         "@type": { "type": "string", "enum": [ "DataAcquisition" ]},
         "identifier": {
             "$ref": "identifier_info_schema.json#"

json-schemas/data_analysis_schema.json

@@ -4,7 +4,16 @@
   "description": "Process (or activity) of transforming data and producing data.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "DataAnalysis" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/data_repository_schema.json

@@ -5,7 +5,16 @@
   "@type": "DataRepository",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "DataRepository" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/data_standard_schema.json

@@ -4,7 +4,16 @@
   "description": "A format, reporting guideline, terminology. It is used to indicate whether the dataset conforms to a particular community norm or specification.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "DataStandard" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/data_type_schema.json

@@ -4,7 +4,16 @@
   "description": "The nature of the data, as determined for the information collected, the method used and the platform used.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "DataType" ]},
     "information": {
       "description": "The measurements or facts that the data is about.",

json-schemas/dataset_distribution_schema.json

@@ -4,7 +4,16 @@
   "description": "(From DCAT) Represents a specific available form of a dataset. Each dataset might be available in different forms, these forms might represent different formats of the dataset or different endpoints. Examples of distributions include a downloadable CSV file, an API or an RSS feed.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "DatasetDistribution" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/dataset_schema.json

@@ -4,7 +4,16 @@
     "description": "A set of dimensions about an entity being observed. A collection of data, published or curated by a single agent, and available for access or download in one or more formats (from DCAT: http://www.w3.org/TR/vocab-dcat/#Class:_Dataset). A body of structured information describing some topic(s) of interest (from: http://schema.org/Dataset).",
     "type": "object",
     "properties": {
-        "@context": { "type": "object"},
+        "@context": {
+            "anyOf": [
+                {
+                    "type": "string"
+                },
+                {
+                    "type": "object"
+                }
+            ]
+        },
         "@type": { "type": "string", "enum": [ "Dataset"] },
         "identifier": {
             "$ref": "identifier_info_schema.json#"

json-schemas/date_info_schema.json

@@ -1,21 +1,30 @@
 {
-    "$schema": "http://json-schema.org/draft-04/schema",
-    "title": "DATS date information schema.",
-    "description": "Information about a calendar date or timestamp indicating day, month, year and time of an event.",
-    "type": "object",
-    "properties": {
-        "@context": { "type": "object"},
-        "@type": { "type": "string", "enum": [ "Date" ]},
-        "date": {
-            "description": "A date following the ISO8601 standard.",
-            "type" :  "string",
-            "format": "date-time"
+  "$schema": "http://json-schema.org/draft-04/schema",
+  "title": "DATS date information schema.",
+  "description": "Information about a calendar date or timestamp indicating day, month, year and time of an event.",
+  "type": "object",
+  "properties": {
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
         },
-        "type": {
-            "description": "The type of date, used to specify the process which is being timestamped by the date attribute value, ideally comes from a controlled terminology.",
-            "$ref" : "annotation_schema.json#"
+        {
+          "type": "object"
         }
+      ]
     },
-    "additionalProperties": false,
-    "required": ["date","type"]
+    "@type": { "type": "string", "enum": [ "Date" ]},
+    "date": {
+      "description": "A date following the ISO8601 standard.",
+      "type" :  "string",
+      "format": "date-time"
+    },
+    "type": {
+      "description": "The type of date, used to specify the process which is being timestamped by the date attribute value, ideally comes from a controlled terminology.",
+      "$ref" : "annotation_schema.json#"
+    }
+  },
+  "additionalProperties": false,
+  "required": ["date","type"]
 }

json-schemas/dimension_schema.json

@@ -4,7 +4,16 @@
   "description": "A feature of an entity, i.e. an individual measurable property (both quantitative or qualitative) of the entity being observed.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Dimension" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/disease_schema.json

@@ -4,7 +4,16 @@
   "description": "A disorder of structure or function in a human, animal, or plant, that produces specific symptoms or that affects a specific location.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Disease" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/grant_schema.json

@@ -4,7 +4,16 @@
   "description": "An allocated sum of funds given by a government or other organization for a particular purpose.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Grant" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"

json-schemas/identifier_info_schema.json

@@ -4,7 +4,16 @@
   "description": "Information about the primary identifier.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Identifier" ]},
     "identifier": {
       "description": "A code uniquely identifying an entity locally to a system or globally.",

json-schemas/instrument_schema.json

@@ -4,7 +4,16 @@
   "description": "An entity that helps an agent perform an activity.",
   "type": "object",
   "properties": {
-    "@context": { "type": "object"},
+    "@context": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "object"
+        }
+      ]
+    },
     "@type": { "type": "string", "enum": [ "Instrument" ]},
     "identifier": {
       "$ref": "identifier_info_schema.json#"