Aria AI — Services
Collection
Operations-research decision-support demos for workforce, field service, clinics, labs, and projects. • 12 items • Updated
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The dataset generation failed because of a cast error
Error code: DatasetGenerationCastError
Exception: DatasetGenerationCastError
Message: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 3 new columns ({'qty', 'technician_id', 'part_id'}) and 7 missing columns ({'required_skill', 'page', 'topic', 'doc_id', 'required_parts', 'text', 'equipment_class'}).
This happened while the csv dataset builder was generating data using
hf://datasets/AriaAICompany/field-scenarios/data/inventory.csv (at revision 283ef48bc7a57773f070a9ec0d93fb0b0adee558), ['hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/documents.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/inventory.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/jobs.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/locations.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/settings.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/technicians.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/travel_times.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/units.csv']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1848, in _prepare_split_single
writer.write_table(table)
~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 765, in write_table
self._write_table(pa_table, writer_batch_size=writer_batch_size)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 773, in _write_table
pa_table = table_cast(pa_table, self._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
technician_id: string
part_id: string
qty: int64
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 621
to
{'doc_id': Value('string'), 'equipment_class': Value('string'), 'topic': Value('string'), 'required_skill': Value('string'), 'required_parts': Value('string'), 'page': Value('int64'), 'text': Value('string')}
because column names don't match
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
~~~~~~~~~~~~~~~~~~~~~~~~~^
builder, max_dataset_size_bytes=max_dataset_size_bytes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
for job_id, done, content in self._prepare_split_single(
~~~~~~~~~~~~~~~~~~~~~~~~~~^
gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1850, in _prepare_split_single
raise DatasetGenerationCastError.from_cast_error(
...<4 lines>...
)
datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 3 new columns ({'qty', 'technician_id', 'part_id'}) and 7 missing columns ({'required_skill', 'page', 'topic', 'doc_id', 'required_parts', 'text', 'equipment_class'}).
This happened while the csv dataset builder was generating data using
hf://datasets/AriaAICompany/field-scenarios/data/inventory.csv (at revision 283ef48bc7a57773f070a9ec0d93fb0b0adee558), ['hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/documents.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/inventory.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/jobs.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/locations.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/settings.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/technicians.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/travel_times.csv', 'hf://datasets/AriaAICompany/field-scenarios@283ef48bc7a57773f070a9ec0d93fb0b0adee558/data/units.csv']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
doc_id string | equipment_class string | topic string | required_skill string | required_parts string | page int64 | text string |
|---|---|---|---|---|---|---|
D-CHILLER-01 | CHILLER | Chiller leak and filter change | HVAC | FILTER | 3 | A chiller low-pressure leak service needs an HVAC technician and one FILTER. Confirm the filter housing is isolated before opening. Retrieved text is a guide, not an automatic dispatch order. |
D-PUMP-01 | PUMP | Hydraulic pump seal replacement | HYDRAULICS | SEAL_KIT | 2 | Pump shaft leaks require a HYDRAULICS skill and one SEAL_KIT on the van. Do not assign the nearest electrician. The solver uses the confirmed job row, not this paragraph. |
D-COMP-01 | COMPRESSOR | Compressor belt and weld note | MECHANICAL | BELT | 4 | Standard belt jobs need MECHANICAL skill and one BELT. A cracked housing weld additionally needs WELDING, which this sample crew does not have. |
D-VFD-01 | VFD | VFD contactor trip | ELECTRICAL | CONTACTOR | 1 | A variable-frequency drive trip with burned contacts needs ELECTRICAL skill and one CONTACTOR. Lock-out/tag-out is assumed in the service time. |
D-SENSOR-01 | SENSOR | Process sensor calibration | CONTROLS | SENSOR_PROBE | 5 | Faulty process sensors are a CONTROLS job. Carry one SENSOR_PROBE. Calibration notes in this file do not change the numeric windows. |
D-BOILER-01 | BOILER | Boiler feed valve | HVAC | VALVE | 6 | A leaking boiler feed valve needs HVAC skill and one VALVE. Only vans stocked with VALVE are parts-ready. |
D-TOOL-01 | GENERAL | Standard van tool list | MECHANICAL | NONE | 1 | Inspection jobs need the matching equipment skill but no spare part. First-time-fix is not reported on synthetic data; only skill/parts readiness is. |
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null | CHILLER | null | HVAC | null | null | null |
null | PUMP | null | HYDRAULICS | null | null | null |
null | COMPRESSOR | null | MECHANICAL | null | null | null |
null | VFD | null | ELECTRICAL | null | null | null |
null | SENSOR | null | CONTROLS | null | null | null |
null | BOILER | null | HVAC | null | null | null |
null | CHILLER | null | HVAC | null | null | null |
null | PUMP | null | HYDRAULICS | null | null | null |
null | COMPRESSOR | null | MECHANICAL | null | null | null |
null | VFD | null | ELECTRICAL | null | null | null |
null | SENSOR | null | CONTROLS | null | null | null |
null | BOILER | null | HVAC | null | null | null |
null | CHILLER | null | HVAC | null | null | null |
null | PUMP | null | HYDRAULICS | null | null | null |
null | COMPRESSOR | null | MECHANICAL | null | null | null |
null | VFD | null | ELECTRICAL | null | null | null |
null | SENSOR | null | CONTROLS | null | null | null |
null | BOILER | null | HVAC | null | null | null |
null | CHILLER | null | HVAC | null | null | null |
null | PUMP | null | HYDRAULICS | null | null | null |
null | COMPRESSOR | null | MECHANICAL | null | null | null |
null | VFD | null | ELECTRICAL | null | null | null |
null | SENSOR | null | CONTROLS | null | null | null |
null | BOILER | null | HVAC | null | null | null |
null | CHILLER | null | HVAC | null | null | null |
null | PUMP | null | HYDRAULICS | null | null | null |
null | COMPRESSOR | null | MECHANICAL | null | null | null |
null | VFD | null | ELECTRICAL | null | null | null |
null | SENSOR | null | CONTROLS | null | null | null |
null | BOILER | null | HVAC | null | null | null |
null | CHILLER | null | HVAC | null | null | null |
null | PUMP | null | HYDRAULICS | null | null | null |
null | COMPRESSOR | null | MECHANICAL | null | null | null |
null | VFD | null | ELECTRICAL | null | null | null |
null | SENSOR | null | CONTROLS | null | null | null |
null | COMPRESSOR | null | WELDING | null | null | null |
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End of preview.
Field technician dispatch scenarios
Synthetic 8-technician / 36-job after-sales board used by the live Field demo and the organization card.
Generated data, seed 24. Coordinates are schematic pins around Tehran for the map only. Travel minutes use straight-line km at 28 km/h. They are not live driving times. Skill and part columns are confirmed inputs for the solver. Guide text is evidence, not an executable order.
Files
- data/technicians.csv
- data/jobs.csv
- data/inventory.csv
- data/travel_times.csv
- data/documents.csv
- data/settings.csv
- data/units.csv
- data/locations.csv
- data/sample_preview.json
Notes
J036 requires WELDING, which no technician in this pack has. First-time-fix is not a column and should not be inferred.
License
CC-BY-4.0. Keep the synthetic-data label.
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