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"schema_name": "subsets_parquet",
"schema_version": 1,
"artifact": "subsets/*.parquet",
"format": "parquet",
"row_grain": "one logical POV sample that belongs to a named public subset",
"description": "Lightweight researcher-facing subset views over manifest.parquet. Subsets do not duplicate physical WebDataset shards; loaders join sample_key values to manifest.parquet and sample_index.parquet.",
"primary_key": [
"subset",
"sample_key"
],
"columns": [
{"name": "subset", "arrow_type": "string", "nullable": false},
{"name": "sample_key", "arrow_type": "string", "nullable": false},
{"name": "match_id", "arrow_type": "string", "nullable": false},
{"name": "round_id", "arrow_type": "string", "nullable": false},
{"name": "round_idx", "arrow_type": "int32", "nullable": false},
{"name": "pov_idx", "arrow_type": "int32", "nullable": false},
{"name": "split", "arrow_type": "string", "nullable": false, "valid_values": ["train", "val", "test"]},
{"name": "map_slug", "arrow_type": "string", "nullable": false, "valid_values": ["anubis", "ancient", "dust2", "inferno", "mirage", "nuke", "overpass"]},
{"name": "duration_s", "arrow_type": "float32", "nullable": false},
{"name": "frames", "arrow_type": "int32", "nullable": false}
],
"validation": [
"every sample_key exists in manifest.parquet",
"subset membership is match-map atomic for official hour-budget subsets",
"train_* and dust2_100h subsets contain only split == train",
"dust2_100h contains only map_slug == dust2",
"full_demo_eval contains only rows from the strict full-demo lock",
"every retained round has exactly pov_idx 0..9 once each"
],
"official_subsets": [
"train_10h",
"train_50h",
"train_100h",
"train_500h",
"train_1000h",
"train_all",
"dust2_100h",
"full_demo_eval"
]
}
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