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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
doc_id: string
url: string
wb_url: string
status: string
title: string
text: string
files: list<item: struct<path: string, sha256: string, bytes: int64>>
  child 0, item: struct<path: string, sha256: string, bytes: int64>
      child 0, path: string
      child 1, sha256: string
      child 2, bytes: int64
counts: struct<ok: int64, not_found: int64, non_html: int64>
  child 0, ok: int64
  child 1, not_found: int64
  child 2, non_html: int64
source_md5: string
source_url: string
total_mapping_rows: int64
resolved: int64
complete: bool
updated_at: timestamp[s]
upstream_revision: string
to
{'source_url': Value('string'), 'source_md5': Value('string'), 'upstream_revision': Value('string'), 'counts': {'ok': Value('int64'), 'not_found': Value('int64'), 'non_html': Value('int64')}, 'total_mapping_rows': Value('int64'), 'resolved': Value('int64'), 'complete': Value('bool'), 'files': List({'path': Value('string'), 'sha256': Value('string'), 'bytes': Value('int64')}), 'updated_at': Value('timestamp[s]')}
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 544, 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 3052, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2559, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2584, 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 558, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 440, 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 361, 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 2381, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2309, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              doc_id: string
              url: string
              wb_url: string
              status: string
              title: string
              text: string
              files: list<item: struct<path: string, sha256: string, bytes: int64>>
                child 0, item: struct<path: string, sha256: string, bytes: int64>
                    child 0, path: string
                    child 1, sha256: string
                    child 2, bytes: int64
              counts: struct<ok: int64, not_found: int64, non_html: int64>
                child 0, ok: int64
                child 1, not_found: int64
                child 2, non_html: int64
              source_md5: string
              source_url: string
              total_mapping_rows: int64
              resolved: int64
              complete: bool
              updated_at: timestamp[s]
              upstream_revision: string
              to
              {'source_url': Value('string'), 'source_md5': Value('string'), 'upstream_revision': Value('string'), 'counts': {'ok': Value('int64'), 'not_found': Value('int64'), 'non_html': Value('int64')}, 'total_mapping_rows': Value('int64'), 'resolved': Value('int64'), 'complete': Value('bool'), 'files': List({'path': Value('string'), 'sha256': Value('string'), 'bytes': Value('int64')}), 'updated_at': Value('timestamp[s]')}
              because column names don't match

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AOL-IA document download

Resumable reconstruction, not a completed benchmark release. Only archived public documents and URL/download state; no user IDs, queries or click logs. Source: https://github.com/terrierteam/aolia-tools Paper: https://arxiv.org/abs/2201.08622

Document copyrights remain with their respective owners; no new license is granted. See manifest.json for progress and hashes. Shards contain status=ok documents and explicit not_found/non_html records. Retryable failures are NOT marked complete. 403 responses are retried, unlike the original downloader.

Recovery commands: scripts/AOL_IA.md. Never run two writers on this repo concurrently.

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