{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://acceldata.io/schemas/dataset.json", "title": "Dataset", "type": "object", "description": "A registered dataset in Acceldata", "properties": { "id": { "type": "string", "description": "Unique dataset identifier" }, "name": { "type": "string", "description": "Dataset name (table or file name)" }, "source": { "type": "string", "description": "Data source platform", "enum": [ "snowflake", "databricks", "bigquery", "redshift", "s3", "hdfs", "hive", "postgres" ] }, "database": { "type": "string", "description": "Database name" }, "schema": { "type": "string", "description": "Schema name" }, "qualityScore": { "type": "number", "format": "double", "description": "Overall data quality score (0-100)" }, "lastScanned": { "type": "string", "format": "date-time", "description": "Last time the dataset was scanned" }, "rowCount": { "type": "integer", "description": "Number of rows in the dataset" }, "columnCount": { "type": "integer", "description": "Number of columns in the dataset" } } }