["size_categories:10M<n<100M", "format:parquet", "modality:tabular", "modality:text", "library:datasets", "library:dask", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "_id", "dtype": "string"}, {"name": "timestamp", "dtype": "timestamp[s]"}, {"name": "cik", "dtype": "string"}, {"name": "company_name", "dtype": "string"}, {"name": "form_type", "dtype": "string"}, {"name": "date_filed", "dtype": "timestamp[s]"}, {"name": "filename", "dtype": "string"}, {"name": "url", "dtype": "string"}, {"name": "quarter", "dtype": "int64"}, {"name": "year", "dtype": "int64"}, {"name": "master_metadata", "struct": [{"name": "Description", "dtype": "string"}, {"name": "Last Data Received", "dtype": "string"}, {"name": "Comments", "dtype": "string"}, {"name": "Anonymous FTP", "dtype": "string"}, {"name": "Cloud HTTP", "dtype": "string"}]}, {"name": "idx_type", "dtype": "string"}]