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croissant.json

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+{
+  "@context": {
+    "@language": "en",
+    "@vocab": "https://schema.org/",
+    "ml": "http://mlcommons.org/croissant/",
+    "sc": "https://schema.org/",
+    "column": "ml:field",
+    "data": {
+      "@id": "ml:data",
+      "@type": "@json"
+    },
+    "dataType": {
+      "@id": "ml:dataType",
+      "@type": "@vocab"
+    },
+    "source": "ml:source",
+    "extract": "ml:extract",
+    "transform": "ml:transform"
+  },
+  "@type": "sc:Dataset",
+  "name": "My MSZ Dataset",
+  "description": "A dataset containing mass spectrometry data in MSZ format.",
+  "url": "https://huggingface.co/datasets/chrisagrams/mscompress-test",
+  "license": "unknown",
+  "distribution": [
+    {
+      "@type": "sc:FileObject",
+      "name": "msz-files",
+      "contentUrl": "https://huggingface.co/datasets/chrisagrams/mscompress-test/resolve/main/data/",
+      "encodingFormat": "application/octet-stream",
+      "sha256": "unknown"
+    }
+  ],
+  "recordSet": [
+    {
+      "@type": "ml:RecordSet",
+      "name": "mass_spectra",
+      "description": "Mass spectrometry spectra with m/z and intensity data",
+      "field": [
+        {
+          "@type": "ml:Field",
+          "name": "source_file",
+          "description": "Name of the source MSZ file",
+          "dataType": "sc:Text",
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "source_file"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "spectrum_index",
+          "description": "Zero-based index of the spectrum within the file",
+          "dataType": "sc:Integer",
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "spectrum_index"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "scan_number",
+          "description": "Scan number from the mass spectrometry instrument",
+          "dataType": "sc:Integer",
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "scan_number"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "ms_level",
+          "description": "MS level (1 for MS1, 2 for MS2/MS3, etc.)",
+          "dataType": "sc:Integer",
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "ms_level"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "retention_time",
+          "description": "Retention time in seconds",
+          "dataType": "sc:Float",
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "retention_time"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "num_peaks",
+          "description": "Number of m/z-intensity pairs in the spectrum",
+          "dataType": "sc:Integer",
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "num_peaks"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "mz",
+          "description": "Array of mass-to-charge ratio (m/z) values",
+          "dataType": [
+            "sc:Float"
+          ],
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "mz"
+            }
+          }
+        },
+        {
+          "@type": "ml:Field",
+          "name": "intensity",
+          "description": "Array of intensity values corresponding to m/z values",
+          "dataType": [
+            "sc:Float"
+          ],
+          "source": {
+            "fileObject": "msz-files",
+            "extract": {
+              "column": "intensity"
+            }
+          }
+        }
+      ]
+    }
+  ],
+  "ml:dataCollection": {
+    "@type": "ml:DataCollection",
+    "ml:datasetSize": "50 spectra",
+    "ml:dataType": "mass spectrometry data",
+    "ml:format": "MSZ (compressed mzML)"
+  },
+  "ml:compressionInfo": {
+    "format": "MSZ",
+    "mz_compression": "1000523",
+    "intensity_compression": "1000523",
+    "supports_random_access": true
+  }
+}