diff --git a/sources/datasets/dataset-definition-schema.json b/sources/datasets/dataset-definition-schema.json
new file mode 100644
index 0000000..faa98c2
--- /dev/null
+++ b/sources/datasets/dataset-definition-schema.json
@@ -0,0 +1,70 @@
+{
+  "$defs": {
+    "Split": {
+      "enum": [
+        "train",
+        "validation",
+        "test",
+        "all"
+      ],
+      "title": "Split",
+      "type": "string"
+    }
+  },
+  "additionalProperties": true,
+  "properties": {
+    "dataset_type": {
+      "title": "Dataset Type",
+      "type": "string"
+    },
+    "module_path": {
+      "format": "path",
+      "title": "Module Path",
+      "type": "string"
+    },
+    "title": {
+      "title": "Title",
+      "type": "string"
+    },
+    "split": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/Split"
+        }
+      ],
+      "default": "all"
+    },
+    "title_in_source": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Title In Source"
+    },
+    "cache_dir": {
+      "anyOf": [
+        {
+          "format": "path",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Cache Dir"
+    }
+  },
+  "required": [
+    "dataset_type",
+    "module_path",
+    "title"
+  ],
+  "title": "DatasetDefinitionSpec",
+  "type": "object"
+}
diff --git a/sources/datasets/dataset-definition-template.json b/sources/datasets/dataset-definition-template.json
deleted file mode 100644
index 582c756..0000000
--- a/sources/datasets/dataset-definition-template.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "dataset_type": "Name of the class that implements the dataset behavior",
-  "module_path": "Path to the file containing the dataset class implementation. It can be either an absolute path or a path relative to the location of this JSON file.",
-  "title": "Title of the dataset used for reference within this app",
-  "title_in_source": "Optional parameter to record the title of this dataset in its source",
-  "custom_param_1": "Optional parameter for customizing the dataset class initialization",
-  "custom_param_2": "Optional parameter for customizing the dataset class initialization"
-}
diff --git a/sources/models/model-definition-schema.json b/sources/models/model-definition-schema.json
new file mode 100644
index 0000000..40aa14e
--- /dev/null
+++ b/sources/models/model-definition-schema.json
@@ -0,0 +1,62 @@
+{
+  "additionalProperties": true,
+  "properties": {
+    "model_type": {
+      "title": "Model Type",
+      "type": "string"
+    },
+    "module_path": {
+      "format": "path",
+      "title": "Module Path",
+      "type": "string"
+    },
+    "title": {
+      "title": "Title",
+      "type": "string"
+    },
+    "device": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Device"
+    },
+    "title_in_source": {
+      "anyOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Title In Source"
+    },
+    "cache_dir": {
+      "anyOf": [
+        {
+          "format": "path",
+          "type": "string"
+        },
+        {
+          "type": "null"
+        }
+      ],
+      "default": null,
+      "title": "Cache Dir"
+    }
+  },
+  "required": [
+    "model_type",
+    "module_path",
+    "title"
+  ],
+  "title": "ModelDefinitionSpec",
+  "type": "object"
+}
diff --git a/sources/models/model-definition-template.json b/sources/models/model-definition-template.json
deleted file mode 100644
index 9fdacfb..0000000
--- a/sources/models/model-definition-template.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "model_type": "Name of the class that implements the model behavior",
-  "module_path": "Path to the file containing the model class implementation. It can be either an absolute path or a path relative to the location of this JSON file.",
-  "title": "Title of the model used for reference within this app",
-  "title_in_source": "Optional parameter to record the title of this model in its source",
-  "custom_param_1": "Optional parameter for customizing the model class initialization",
-  "custom_param_2": "Optional parameter for customizing the model class initialization"
-}