Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
H_star: int64
base_env: string
contributor: string
description: string
domain: string
extension_levels: list<item: struct<instruction: string, oracle: string, s: int64>>
child 0, item: struct<instruction: string, oracle: string, s: int64>
child 0, instruction: string
child 1, oracle: string
child 2, s: int64
extension_method: string
task_id: string
verified: bool
official_environment_execution_count: int64
dataset_base_commit: string
domain_counts: struct<db: int64, embodied: int64, os: int64, web: int64>
child 0, db: int64
child 1, embodied: int64
child 2, os: int64
child 3, web: int64
review_boundary: string
local_hermetic_validation: struct<determinism_checks: int64, negative_controls_rejected: int64, negative_controls_total: int64, (... 48 chars omitted)
child 0, determinism_checks: int64
child 1, negative_controls_rejected: int64
child 2, negative_controls_total: int64
child 3, oracle_level_executions: int64
child 4, status: string
schema_version: string
submitted_task_count: int64
official_verified_true_count: int64
extension_levels_per_task: int64
to
{'contributor': {'email': Value('string'), 'huggingface_username': Value('string'), 'name': Value('string'), 'organization': Value('string'), 'profile': Value('string')}, 'dataset_base_commit': Value('string'), 'domain_counts': {'db': Value('int64'), 'embodied': Value('int64'), 'os': Value('int64'), 'web': Value('int64')}, 'extension_levels_per_task': Value('int64'), 'local_hermetic_validation': {'determinism_checks': Value('int64'), 'negative_controls_rejected': Value('int64'), 'negative_controls_total': Value('int64'), 'oracle_level_executions': Value('int64'), 'status': Value('string')}, 'official_environment_execution_count': Value('int64'), 'official_verified_true_count': Value('int64'), 'review_boundary': Value('string'), 'schema_version': Value('string'), 'submitted_task_count': Value('int64')}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
H_star: int64
base_env: string
contributor: string
description: string
domain: string
extension_levels: list<item: struct<instruction: string, oracle: string, s: int64>>
child 0, item: struct<instruction: string, oracle: string, s: int64>
child 0, instruction: string
child 1, oracle: string
child 2, s: int64
extension_method: string
task_id: string
verified: bool
official_environment_execution_count: int64
dataset_base_commit: string
domain_counts: struct<db: int64, embodied: int64, os: int64, web: int64>
child 0, db: int64
child 1, embodied: int64
child 2, os: int64
child 3, web: int64
review_boundary: string
local_hermetic_validation: struct<determinism_checks: int64, negative_controls_rejected: int64, negative_controls_total: int64, (... 48 chars omitted)
child 0, determinism_checks: int64
child 1, negative_controls_rejected: int64
child 2, negative_controls_total: int64
child 3, oracle_level_executions: int64
child 4, status: string
schema_version: string
submitted_task_count: int64
official_verified_true_count: int64
extension_levels_per_task: int64
to
{'contributor': {'email': Value('string'), 'huggingface_username': Value('string'), 'name': Value('string'), 'organization': Value('string'), 'profile': Value('string')}, 'dataset_base_commit': Value('string'), 'domain_counts': {'db': Value('int64'), 'embodied': Value('int64'), 'os': Value('int64'), 'web': Value('int64')}, 'extension_levels_per_task': Value('int64'), 'local_hermetic_validation': {'determinism_checks': Value('int64'), 'negative_controls_rejected': Value('int64'), 'negative_controls_total': Value('int64'), 'oracle_level_executions': Value('int64'), 'status': Value('string')}, 'official_environment_execution_count': Value('int64'), 'official_verified_true_count': Value('int64'), 'review_boundary': Value('string'), 'schema_version': Value('string'), 'submitted_task_count': Value('int64')}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
HORIZON contribution — Reacherx
This review bundle contributes 60 structured long-horizon task definitions: 15 each for web, OS, database, and embodied domains. Each task has three monotonic depth-extension levels and a complete oracle workflow.
Contributor: Yuxuan Zhang (Reacherx), University of British Columbia; Vector Institute, reacher@cs.ubc.ca, https://yuxuan.world/.
Local hermetic validation executed 180 oracle levels, repeated 180 determinism checks, and rejected 900/900 targeted negative controls. These checks do not substitute for HORIZON's official environments or review. Every task therefore remains verified: false.
The task JSON files are under contributions/Reacherx/; LOCAL_VALIDATION_SUMMARY.json records the precise evidence boundary.
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