Aria AI Operations Research Portfolio
Collection
Enterprise OR, optimization, and decomposition demos by Aria AI • 136 items • Updated
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
name: string
description: string
version: string
scenarios: list<item: string>
child 0, item: string
sizes: list<item: string>
child 0, item: string
instance_count: int64
license: string
generated_at: string
seed: int64
nurses: list<item: struct<nurse_id: string, name: string, skills: list<item: string>, shift_start: int64, sh (... 37 chars omitted)
child 0, item: struct<nurse_id: string, name: string, skills: list<item: string>, shift_start: int64, shift_end: in (... 25 chars omitted)
child 0, nurse_id: string
child 1, name: string
child 2, skills: list<item: string>
child 0, item: string
child 3, shift_start: int64
child 4, shift_end: int64
child 5, hourly_cost: double
scenario_id: string
size: string
horizon_minutes: int64
scenario_label: string
surgeries: list<item: struct<case_id: string, specialty: string, surgeon_id: string, duration_mean: int64, dura (... 323 chars omitted)
child 0, item: struct<case_id: string, specialty: string, surgeon_id: string, duration_mean: int64, duration_p50: i (... 311 chars omitted)
child 0, case_id: string
child 1, specialty: string
child 2, surgeon_id: string
child 3, duration_mean: int64
child 4, duration_p50: int64
child 5, duration_p80: int64
child 6, duration_p95: int64
child 7, cancellation_prob: double
child 8, icu_prob: double
child 9, los_days_mean: double
child 10, no_show_prob: double
child 11, priority: int64
child 12, emergency: bool
child 13, asa_score: int64
child 14, patient_age: int64
child 15, required_skills: list<item: string>
child 0, item: string
child 16, turnover_min: int64
child 17, earliest_start: int64
child 18, latest_start: int64
beds: list<item: struct<unit_id: string, unit_type: string, capacity: int64, occupied: int64>>
child 0, item: struct<unit_id: string, unit_type: string, capacity: int64, occupied: int64>
child 0, unit_id: string
child 1, unit_type: string
child 2, capacity: int64
child 3, occupied: int64
or_rooms: list<item: struct<room_id: string, name: string, specialty_affinity: list<item: string>, available_f (... 36 chars omitted)
child 0, item: struct<room_id: string, name: string, specialty_affinity: list<item: string>, available_from: int64, (... 24 chars omitted)
child 0, room_id: string
child 1, name: string
child 2, specialty_affinity: list<item: string>
child 0, item: string
child 3, available_from: int64
child 4, available_until: int64
instance_id: string
to
{'instance_id': Value('string'), 'scenario_id': Value('string'), 'scenario_label': Value('string'), 'horizon_minutes': Value('int64'), 'seed': Value('int64'), 'size': Value('string'), 'or_rooms': List({'room_id': Value('string'), 'name': Value('string'), 'specialty_affinity': List(Value('string')), 'available_from': Value('int64'), 'available_until': Value('int64')}), 'surgeries': List({'case_id': Value('string'), 'specialty': Value('string'), 'surgeon_id': Value('string'), 'duration_mean': Value('int64'), 'duration_p50': Value('int64'), 'duration_p80': Value('int64'), 'duration_p95': Value('int64'), 'cancellation_prob': Value('float64'), 'icu_prob': Value('float64'), 'los_days_mean': Value('float64'), 'no_show_prob': Value('float64'), 'priority': Value('int64'), 'emergency': Value('bool'), 'asa_score': Value('int64'), 'patient_age': Value('int64'), 'required_skills': List(Value('string')), 'turnover_min': Value('int64'), 'earliest_start': Value('int64'), 'latest_start': Value('int64')}), 'nurses': List({'nurse_id': Value('string'), 'name': Value('string'), 'skills': List(Value('string')), 'shift_start': Value('int64'), 'shift_end': Value('int64'), 'hourly_cost': Value('float64')}), 'beds': List({'unit_id': Value('string'), 'unit_type': Value('string'), 'capacity': Value('int64'), 'occupied': Value('int64')})}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 149, 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 129, 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 489, 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 2818, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, 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 2369, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
name: string
description: string
version: string
scenarios: list<item: string>
child 0, item: string
sizes: list<item: string>
child 0, item: string
instance_count: int64
license: string
generated_at: string
seed: int64
nurses: list<item: struct<nurse_id: string, name: string, skills: list<item: string>, shift_start: int64, sh (... 37 chars omitted)
child 0, item: struct<nurse_id: string, name: string, skills: list<item: string>, shift_start: int64, shift_end: in (... 25 chars omitted)
child 0, nurse_id: string
child 1, name: string
child 2, skills: list<item: string>
child 0, item: string
child 3, shift_start: int64
child 4, shift_end: int64
child 5, hourly_cost: double
scenario_id: string
size: string
horizon_minutes: int64
scenario_label: string
surgeries: list<item: struct<case_id: string, specialty: string, surgeon_id: string, duration_mean: int64, dura (... 323 chars omitted)
child 0, item: struct<case_id: string, specialty: string, surgeon_id: string, duration_mean: int64, duration_p50: i (... 311 chars omitted)
child 0, case_id: string
child 1, specialty: string
child 2, surgeon_id: string
child 3, duration_mean: int64
child 4, duration_p50: int64
child 5, duration_p80: int64
child 6, duration_p95: int64
child 7, cancellation_prob: double
child 8, icu_prob: double
child 9, los_days_mean: double
child 10, no_show_prob: double
child 11, priority: int64
child 12, emergency: bool
child 13, asa_score: int64
child 14, patient_age: int64
child 15, required_skills: list<item: string>
child 0, item: string
child 16, turnover_min: int64
child 17, earliest_start: int64
child 18, latest_start: int64
beds: list<item: struct<unit_id: string, unit_type: string, capacity: int64, occupied: int64>>
child 0, item: struct<unit_id: string, unit_type: string, capacity: int64, occupied: int64>
child 0, unit_id: string
child 1, unit_type: string
child 2, capacity: int64
child 3, occupied: int64
or_rooms: list<item: struct<room_id: string, name: string, specialty_affinity: list<item: string>, available_f (... 36 chars omitted)
child 0, item: struct<room_id: string, name: string, specialty_affinity: list<item: string>, available_from: int64, (... 24 chars omitted)
child 0, room_id: string
child 1, name: string
child 2, specialty_affinity: list<item: string>
child 0, item: string
child 3, available_from: int64
child 4, available_until: int64
instance_id: string
to
{'instance_id': Value('string'), 'scenario_id': Value('string'), 'scenario_label': Value('string'), 'horizon_minutes': Value('int64'), 'seed': Value('int64'), 'size': Value('string'), 'or_rooms': List({'room_id': Value('string'), 'name': Value('string'), 'specialty_affinity': List(Value('string')), 'available_from': Value('int64'), 'available_until': Value('int64')}), 'surgeries': List({'case_id': Value('string'), 'specialty': Value('string'), 'surgeon_id': Value('string'), 'duration_mean': Value('int64'), 'duration_p50': Value('int64'), 'duration_p80': Value('int64'), 'duration_p95': Value('int64'), 'cancellation_prob': Value('float64'), 'icu_prob': Value('float64'), 'los_days_mean': Value('float64'), 'no_show_prob': Value('float64'), 'priority': Value('int64'), 'emergency': Value('bool'), 'asa_score': Value('int64'), 'patient_age': Value('int64'), 'required_skills': List(Value('string')), 'turnover_min': Value('int64'), 'earliest_start': Value('int64'), 'latest_start': Value('int64')}), 'nurses': List({'nurse_id': Value('string'), 'name': Value('string'), 'skills': List(Value('string')), 'shift_start': Value('int64'), 'shift_end': Value('int64'), 'hourly_cost': Value('float64')}), 'beds': List({'unit_id': Value('string'), 'unit_type': Value('string'), 'capacity': Value('int64'), 'occupied': 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.