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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
source_term: string
target_term: string
domain: string
confidence: double
source_en: null
target_ko: null
quality_score: null
labse_score: null
comet_score: null
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 739
to
{'source_en': Value('string'), 'target_ko': Value('string'), 'domain': Value('string'), 'quality_score': Value('float32'), 'labse_score': Value('float32'), 'comet_score': Value('float32')}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 99, in get_rows_or_raise
                  return get_rows(
                         ^^^^^^^^^
                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 77, in get_rows
                  rows_plus_one = list(itertools.islice(ds, rows_max_number + 1))
                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2690, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2227, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2260, in _iter_arrow
                  pa_table = cast_table_to_features(pa_table, self.features)
                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2192, in cast_table_to_features
                  raise CastError(
              datasets.table.CastError: Couldn't cast
              source_term: string
              target_term: string
              domain: string
              confidence: double
              source_en: null
              target_ko: null
              quality_score: null
              labse_score: null
              comet_score: null
              -- schema metadata --
              pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 739
              to
              {'source_en': Value('string'), 'target_ko': Value('string'), 'domain': Value('string'), 'quality_score': Value('float32'), 'labse_score': Value('float32'), 'comet_score': Value('float32')}
              because column names don't match

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Dari EN↔KO Technical Translation Corpus (Sample)

🌉 Dari (다리, "bridge") — 67M+ EN↔KO parallel sentence pairs for technical translation.

Dataset Description

This is a 10,000-pair sample from the full Dari corpus. The full corpus contains 67.2 million high-quality EN↔KO parallel segments across multiple technical domains.

Domains

Domain Full Corpus Pairs
Patent (KIPRIS) 15M+
Medical (PubMed) 12M+
IT/Software 10M+
Legal 8M+
General 22M+

Files

  • data/sample.csv — 10,000 parallel EN↔KO sentence pairs (stratified by domain)
  • data/glossary.csv — 5,000 bilingual term entries
  • data/stats.csv — Domain distribution statistics

Quality Metrics

  • LaBSE semantic similarity scores
  • COMET translation quality scores
  • Human quality ratings (0-1 scale)

Usage

from datasets import load_dataset
ds = load_dataset("dogdoh/dari-enko-corpus-sample")

Full Corpus Access

Tier Price Includes
Free $0 This 10K sample
API Basic $49/mo 50K chars/month, REST API
API Pro $199/mo 500K chars/month, batch export
Enterprise Custom Full corpus license, on-prem

🔗 API: dari.is-a.dev 📧 Contact: dogdoh1338@icloud.com

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