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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:    ArrowInvalid
Message:      JSON parse error: The document is empty.
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 324, in _generate_tables
                  df = pandas_read_json(f)
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 38, in pandas_read_json
                  return pd.read_json(path_or_buf, **kwargs)
                         ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 791, in read_json
                  json_reader = JsonReader(
                      path_or_buf,
                  ...<16 lines>...
                      engine=engine,
                  )
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 905, in __init__
                  self.data = self._preprocess_data(data)
                              ~~~~~~~~~~~~~~~~~~~~~^^^^^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 917, in _preprocess_data
                  data = data.read()
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 839, in read_with_retries
                  out = read(*args, **kwargs)
                File "<frozen codecs>", line 325, in decode
              UnicodeDecodeError: 'utf-8' codec can't decode byte 0xec in position 42: invalid continuation byte
              
              During handling of the above exception, another exception occurred:
              
              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 327, in _generate_tables
                  raise e
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 290, in _generate_tables
                  pa_table = paj.read_json(
                      io.BytesIO(batch), read_options=paj.ReadOptions(block_size=block_size)
                  )
                File "pyarrow/_json.pyx", line 364, in pyarrow._json.read_json
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
                  raise convert_status(status)
              pyarrow.lib.ArrowInvalid: JSON parse error: The document is empty.

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Cataract Surgery VLM Dataset — SFT Split (Mirrored)

This folder is a mirrored SFT-only view of ../dataset/ (active dataset). Created via tools/build_separated_datasets.py (copy-only, original dataset/ untouched). Videos are hardlinked (fallback copy) into both SFT and GRPO datasets to avoid 2× storage.

Structure (SFT-only, videos mirrored)

dataset_sft/
├── Train/ Validation/ Test/
│   ├── {YT_ID}/              # YouTube corpus (108 Train / 13 Val / 15 Test folders)
│   │   ├── clip_01.mp4
│   │   ├── clip_01.jsonl           # metadata (14 keys) — mirrored in both
│   │   ├── clip_01_sft.jsonl       # SFT: 4 lines (1 description + 3 MCQ, old prompt)
│   │   └── full_video.mp4 + full_video_sft.jsonl  # full-video narration (SFT only)
│   ├── PH_*/                 # Phase corpus (105 Train / 22 Val / 23 Test folders)
│   │   ├── clip_02.mp4
│   │   ├── clip_02.jsonl           # 32 keys inc. phase_id — mirrored
│   │   └── clip_02_sft.jsonl       # 1 line teacher/critic description
│   └── ...
├── grpo_procedure_split_map.json
└── README.md

Not included: *_grpo.jsonl (see ../dataset_grpo/), archived/, grpo_archived/ (still only in ../dataset/).

Counts (active, no archived)

Split Folders Clip MP4 Full Video Clip SFT files Full SFT Videos total
Train 213 2,066 108 2,066 108 2,174
Val 35 265 13 265 13 278
Test 38 293 15 293 15 308
Total 286 2,624 136 2,624 136 2,760
  • SFT clip_*_sft.jsonl per clip: 1× description (Describe what is happening...) + 3× MCQ with old prompt Provide your reasoning first, then state your answer. → assistant reference_reasoning + " Therefore the answer is X) ...".
  • GRPO files intentionally absent here.

Pipeline

Future runs with config.yaml: directories.dataset_sft produce this layout; dataset_formatter SFT still uses old prompt (GRPO uses new JSON). Merge step tools/merge_dataset.py with --out-sft/--out-grpo mirrors videos to both.

Restore

dataset/ remains canonical. To rebuild: python -m video_pipeline.tools.build_separated_datasets (or via pipeline cli.py step merge).

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Models trained or fine-tuned on shahedm2001/dataset_sft