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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
annotator: string
gold: struct<2075987c76c3922b: struct<52.203-11: string, 52.203-2: string, 52.204-12: string, 52.204-25: s (... 9952 chars omitted)
  child 0, 2075987c76c3922b: struct<52.203-11: string, 52.203-2: string, 52.204-12: string, 52.204-25: string, 52.204-26: string, (... 74 chars omitted)
      child 0, 52.203-11: string
      child 1, 52.203-2: string
      child 2, 52.204-12: string
      child 3, 52.204-25: string
      child 4, 52.204-26: string
      child 5, 52.225-1: string
      child 6, 52.227-14: string
      child 7, 52.227-16: string
      child 8, 52.230-1: string
  child 1, 2b5c379382e8c098: struct<1452.204-70: string, 1452.228-70: string, 1452.280-2: string, 1452.280-4: string, 52.212-1: s (... 135 chars omitted)
      child 0, 1452.204-70: string
      child 1, 1452.228-70: string
      child 2, 1452.280-2: string
      child 3, 1452.280-4: string
      child 4, 52.212-1: string
      child 5, 52.212-3: string
      child 6, 52.212-4: string
      child 7, 52.212-5: string
      child 8, 52.223-18: string
      child 9, 52.225-1: string
      child 10, 52.232-33: string
      child 11, 52.232-99: string
  child 2, 2e6e745d21f6d260: struct<252.204-7012: string, 252.204-7016: string, 252.204-7018: string, 252.204-7019: string, 252.2 (... 322 chars omitted)
      child 0, 252.204-7012: string
      child 1, 252.204-7016: string
      child 2, 252.204-7018: string
      child 3, 252.204-7019: string
      child 4, 252.204-7020: string
      child 5, 2
...
cy: doub (... 33 chars omitted)
  child 0, precision: double
  child 1, recall: double
  child 2, f: double
  child 3, f2: double
  child 4, specificity: double
  child 5, accuracy: double
  child 6, f1_lo: double
  child 7, f1_hi: double
model max q>=0.5: struct<precision: double, recall: double, f: double, f2: double, specificity: double, accuracy: doub (... 33 chars omitted)
  child 0, precision: double
  child 1, recall: double
  child 2, f: double
  child 3, f2: double
  child 4, specificity: double
  child 5, accuracy: double
  child 6, f1_lo: double
  child 7, f1_hi: double
B0 (VETR): struct<precision: double, recall: double, f: double, f2: double, specificity: double, accuracy: doub (... 33 chars omitted)
  child 0, precision: double
  child 1, recall: double
  child 2, f: double
  child 3, f2: double
  child 4, specificity: double
  child 5, accuracy: double
  child 6, f1_lo: double
  child 7, f1_hi: double
_meta: struct<documents: int64, labelled: int64, binding: int64, gold: string, mode: string>
  child 0, documents: int64
  child 1, labelled: int64
  child 2, binding: int64
  child 3, gold: string
  child 4, mode: string
model max q>=0.9: struct<precision: double, recall: double, f: double, f2: double, specificity: double, accuracy: doub (... 33 chars omitted)
  child 0, precision: double
  child 1, recall: double
  child 2, f: double
  child 3, f2: double
  child 4, specificity: double
  child 5, accuracy: double
  child 6, f1_lo: double
  child 7, f1_hi: double
to
{'all-candidates': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'B0 (VETR)': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'B0 minus empty-box clauses': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'B1 rules': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model noisy_or q>=0.5': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model noisy_or q>=0.7': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model noisy_or q>=0.9': {
...
2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model max q>=0.5': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model max q>=0.7': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model max q>=0.9': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'paired model noisy_or q>=0.5 vs B1 rules': {'diff': Value('float64'), 'lo': Value('float64'), 'hi': Value('float64'), 'share_not_better': Value('float64')}, 'paired model noisy_or q>=0.5 vs B0 (VETR)': {'diff': Value('float64'), 'lo': Value('float64'), 'hi': Value('float64'), 'share_not_better': Value('float64')}, 'paired model noisy_or q>=0.5 vs all-candidates': {'diff': Value('float64'), 'lo': Value('float64'), 'hi': Value('float64'), 'share_not_better': Value('float64')}, '_meta': {'documents': Value('int64'), 'labelled': Value('int64'), 'binding': Value('int64'), 'gold': Value('string'), 'mode': Value('string')}}
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 2951, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2461, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2486, 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 547, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 430, 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
              annotator: string
              gold: struct<2075987c76c3922b: struct<52.203-11: string, 52.203-2: string, 52.204-12: string, 52.204-25: s (... 9952 chars omitted)
                child 0, 2075987c76c3922b: struct<52.203-11: string, 52.203-2: string, 52.204-12: string, 52.204-25: string, 52.204-26: string, (... 74 chars omitted)
                    child 0, 52.203-11: string
                    child 1, 52.203-2: string
                    child 2, 52.204-12: string
                    child 3, 52.204-25: string
                    child 4, 52.204-26: string
                    child 5, 52.225-1: string
                    child 6, 52.227-14: string
                    child 7, 52.227-16: string
                    child 8, 52.230-1: string
                child 1, 2b5c379382e8c098: struct<1452.204-70: string, 1452.228-70: string, 1452.280-2: string, 1452.280-4: string, 52.212-1: s (... 135 chars omitted)
                    child 0, 1452.204-70: string
                    child 1, 1452.228-70: string
                    child 2, 1452.280-2: string
                    child 3, 1452.280-4: string
                    child 4, 52.212-1: string
                    child 5, 52.212-3: string
                    child 6, 52.212-4: string
                    child 7, 52.212-5: string
                    child 8, 52.223-18: string
                    child 9, 52.225-1: string
                    child 10, 52.232-33: string
                    child 11, 52.232-99: string
                child 2, 2e6e745d21f6d260: struct<252.204-7012: string, 252.204-7016: string, 252.204-7018: string, 252.204-7019: string, 252.2 (... 322 chars omitted)
                    child 0, 252.204-7012: string
                    child 1, 252.204-7016: string
                    child 2, 252.204-7018: string
                    child 3, 252.204-7019: string
                    child 4, 252.204-7020: string
                    child 5, 2
              ...
              cy: doub (... 33 chars omitted)
                child 0, precision: double
                child 1, recall: double
                child 2, f: double
                child 3, f2: double
                child 4, specificity: double
                child 5, accuracy: double
                child 6, f1_lo: double
                child 7, f1_hi: double
              model max q>=0.5: struct<precision: double, recall: double, f: double, f2: double, specificity: double, accuracy: doub (... 33 chars omitted)
                child 0, precision: double
                child 1, recall: double
                child 2, f: double
                child 3, f2: double
                child 4, specificity: double
                child 5, accuracy: double
                child 6, f1_lo: double
                child 7, f1_hi: double
              B0 (VETR): struct<precision: double, recall: double, f: double, f2: double, specificity: double, accuracy: doub (... 33 chars omitted)
                child 0, precision: double
                child 1, recall: double
                child 2, f: double
                child 3, f2: double
                child 4, specificity: double
                child 5, accuracy: double
                child 6, f1_lo: double
                child 7, f1_hi: double
              _meta: struct<documents: int64, labelled: int64, binding: int64, gold: string, mode: string>
                child 0, documents: int64
                child 1, labelled: int64
                child 2, binding: int64
                child 3, gold: string
                child 4, mode: string
              model max q>=0.9: struct<precision: double, recall: double, f: double, f2: double, specificity: double, accuracy: doub (... 33 chars omitted)
                child 0, precision: double
                child 1, recall: double
                child 2, f: double
                child 3, f2: double
                child 4, specificity: double
                child 5, accuracy: double
                child 6, f1_lo: double
                child 7, f1_hi: double
              to
              {'all-candidates': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'B0 (VETR)': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'B0 minus empty-box clauses': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'B1 rules': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model noisy_or q>=0.5': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model noisy_or q>=0.7': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model noisy_or q>=0.9': {
              ...
              2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model max q>=0.5': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model max q>=0.7': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'model max q>=0.9': {'precision': Value('float64'), 'recall': Value('float64'), 'f': Value('float64'), 'f2': Value('float64'), 'specificity': Value('float64'), 'accuracy': Value('float64'), 'f1_lo': Value('float64'), 'f1_hi': Value('float64')}, 'paired model noisy_or q>=0.5 vs B1 rules': {'diff': Value('float64'), 'lo': Value('float64'), 'hi': Value('float64'), 'share_not_better': Value('float64')}, 'paired model noisy_or q>=0.5 vs B0 (VETR)': {'diff': Value('float64'), 'lo': Value('float64'), 'hi': Value('float64'), 'share_not_better': Value('float64')}, 'paired model noisy_or q>=0.5 vs all-candidates': {'diff': Value('float64'), 'lo': Value('float64'), 'hi': Value('float64'), 'share_not_better': Value('float64')}, '_meta': {'documents': Value('int64'), 'labelled': Value('int64'), 'binding': Value('int64'), 'gold': Value('string'), 'mode': Value('string')}}
              because column names don't match

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fedproc-ledger data (research release, v1.0)

  • mentions.parquet: 685,079 clause-number mentions from 6,606 public SAM.gov solicitation documents with status-quo entries: doc_id, number, alternate, role, binding_prob, source (model, box_rule, para_a_rule or text_rule; rules v1.2, so it differs from the round-1 table in its box and rule counts), confidence, and a 300-character context snippet (personal-data patterns redacted at extraction). Roles and probabilities are model output, not labels.
  • results/: gold label files (ledger_gold_*.json: development set, frozen test and rounds 2 to 7 including the agent, judge and majority files; labels BINDS/NOT/REFERENCED/UNDECIDED from the coding agent and two OpenAI models, no human annotators), evaluation outputs and the frozen document lists with sha256. Round 7 (27 documents posted 2026-09-30 to 2026-10-07, rules v1.4) is the temporal hold-out; the per-mention table refresh with v1.4 predictions is queued, so mentions.parquet stays on rules v1.2 for now. Source documents are public US federal solicitation notices; this release contains derived tables and short snippets only (contact emails and phone numbers redacted, hardened against glued tokens in D-045). Released publicly by the CTO of Acu-Elligent LLC for research reproducibility alongside the paper.
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