Update metadata.json

metadata.json

@@ -1,38 +1,122 @@
 {
-  "@context": [
-    "https://schema.org/",
-    "https://raw.githubusercontent.com/mlcommons/croissant/main/context.jsonld"
-  ],
+  "@context": {
+    "@language": "en",
+    "@vocab": "https://schema.org/",
+    "citeAs": "cr:citeAs",
+    "column": "cr:column",
+    "conformsTo": "dct:conformsTo",
+    "cr": "http://mlcommons.org/croissant/",
+    "rai": "http://mlcommons.org/croissant/RAI/",
+    "data": {
+      "@id": "cr:data",
+      "@type": "@json"
+    },
+    "dataType": {
+      "@id": "cr:dataType",
+      "@type": "@vocab"
+    },
+    "dct": "http://purl.org/dc/terms/",
+    "examples": {
+      "@id": "cr:examples",
+      "@type": "@json"
+    },
+    "extract": "cr:extract",
+    "field": "cr:field",
+    "fileProperty": "cr:fileProperty",
+    "fileObject": "cr:fileObject",
+    "fileSet": "cr:fileSet",
+    "format": "cr:format",
+    "includes": "cr:includes",
+    "isLiveDataset": "cr:isLiveDataset",
+    "jsonPath": "cr:jsonPath",
+    "key": "cr:key",
+    "md5": "cr:md5",
+    "parentField": "cr:parentField",
+    "path": "cr:path",
+    "recordSet": "cr:recordSet",
+    "references": "cr:references",
+    "regex": "cr:regex",
+    "repeated": "cr:repeated",
+    "replace": "cr:replace",
+    "sc": "https://schema.org/",
+    "separator": "cr:separator",
+    "source": "cr:source",
+    "subField": "cr:subField",
+    "transform": "cr:transform"
+  },
+  "@type": "sc:Dataset",
+  "conformsTo": "http://mlcommons.org/croissant/1.0",
   "@id": "https://huggingface.co/datasets/Path2AI/STARC-9",
   "name": "STARC-9",
-  "description": "A Large-scale dataset for Multi‐class Tissue Classification for Colorectal Cancer Histopathology.",
+  "description": "STARC-9 is a largescale dataset of 630,000 H&E-stained 256×256px image tiles from colorectal cancer whole-slide scans, labeled across nine clinically relevant tissue types.",
   "license": "CC-BY-4.0",
   "version": "0.1.0-draft",
   "datePublished": "2025-05-15",
-  "citeAs": "Anonymous et al. (2025). A Large-scale dataset for Multi‐class Tissue Classification for Colorectal Cancer Histopathology (under review).",
+  "citeAs": "Anonymous et al. (2025). CRC Tissue Classification Dataset (under review).",
   "url": "https://huggingface.co/datasets/Path2AI/STARC-9",
-  "resources": [
+  "distribution": [
+    {
+      "@type": "cr:FileObject",
+      "@id": "repo",
+      "name": "repo",
+      "description": "The Hugging Face git repository.",
+      "contentUrl": "https://huggingface.co/datasets/Path2AI/STARC-9/tree/refs%2Fconvert%2Fparquet",
+      "encodingFormat": "git+https",
+      "sha256": "INSERT_YOUR_SHA256_CHECKSUM_HERE"
+    },
     {
-      "@type": "DatasetDistribution",
-      "contentUrl": "https://huggingface.co/datasets/Path2AI/STARC-9/resolve/main/STANFORD-TCGA-CRC-HE-20K-NORMALIZED.zip",
-      "encodingFormat": "application/zip"
+      "@type": "cr:FileSet",
+      "@id": "parquet-files",
+      "name": "parquet-files",
+      "description": "Parquet shards generated by the Datasets library.",
+      "containedIn": {
+        "@id": "repo"
+      },
+      "encodingFormat": "application/x-parquet",
+      "includes": "*/*/*.parquet"
     }
   ],
-  "structure": {
-    "@type": "Dataset",
-    "hasPart": [
-      {
-        "@type": "DataDownload",
-        "name": "STARC-9.zip",
-        "encodingFormat": "application/zip"
-      }
-    ]
-  },
-  "splits": [
+  "recordSet": [
     {
-      "name": "all",
-      "recordSet": "default"
+      "@type": "cr:RecordSet",
+      "@id": "default",
+      "name": "default",
+      "description": "Default split of STARC-9.",
+      "field": [
+        {
+          "@type": "cr:Field",
+          "@id": "default/image",
+          "name": "default/image",
+          "description": "Raw tile image bytes.",
+          "dataType": "sc:ImageObject",
+          "source": {
+            "fileSet": {
+              "@id": "parquet-files"
+            },
+            "extract": {
+              "column": "image"
+            },
+            "transform": {
+              "jsonPath": "bytes"
+            }
+          }
+        },
+        {
+          "@type": "cr:Field",
+          "@id": "default/label",
+          "name": "default/label",
+          "description": "Tissue type label index.",
+          "dataType": "sc:Integer",
+          "source": {
+            "fileSet": {
+              "@id": "parquet-files"
+            },
+            "extract": {
+              "column": "label"
+            }
+          }
+        }
+      ]
     }
-  ],
-  "mlTask": "ImageClassification"
+  ]
 }