Dataset Viewer
Duplicate
The dataset viewer is not available for this split.
Cannot extract the features (columns) for the split 'train' of the config 'default' of the dataset.
Error code:   FeaturesError
Exception:    UnicodeDecodeError
Message:      'utf-8' codec can't decode byte 0xa7 in position 31: invalid start byte
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/split/first_rows.py", line 243, in compute_first_rows_from_streaming_response
                  iterable_dataset = iterable_dataset._resolve_features()
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 4379, in _resolve_features
                  features = _infer_features_from_batch(self.with_format(None)._head())
                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2661, in _head
                  return next(iter(self.iter(batch_size=n)))
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2839, in iter
                  for key, pa_table in ex_iterable.iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2377, in _iter_arrow
                  yield from self.ex_iterable._iter_arrow()
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, 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/text/text.py", line 98, in _generate_tables
                  batch = f.read(self.config.chunksize)
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 844, in read_with_retries
                  out = read(*args, **kwargs)
                File "<frozen codecs>", line 325, in decode
              UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa7 in position 31: invalid start byte

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.

Fluency ECDICT Offline Pack

This repository hosts the versioned ECDICT SQLite packages downloaded by the Fluency app for offline video word lookup and local subtitle focus-word matching.

Current release

Field Value
Data version ecdict-bc015ed2-focus13-v2
Schema 2
Entries 770,611
Focus-word lists 13
ZIP size 54,594,964 bytes
SQLite size 131,756,032 bytes
ZIP SHA-256 1e745ea698878772226a7df584129409dd4b27cb7ea26b4259bc770e7533352f
Source commit bc015ed2e24a7abef49fc6dbbb7fe32c1dadaf8b
Source CSV SHA-256 1a6947e04785db63613a92e14903cdae7954f7e84860b10e68e5c7cbb3f9c3cf

The v2 package adds structured membership and inflection indexes for 13 product focus-word lists. The manifest records the final member count of every list.

Previous release

ecdict-ecdict-bc015ed2-v1.zip remains available for rollback. Its ZIP SHA-256 is e9ce183d35f244d77119bf3e3a87342f5bb9b9034d903b8754806ce8a65bcc30.

Sources and licenses

Dictionary entries and the eight ECDICT-tag-derived lists are based on skywind3000/ECDICT under the MIT License.

The NGSL, NAWL, BSL, and TOEIC source snapshots used by the derived GMAT and business lists are licensed under CC BY-SA 4.0. Attribution, pinned revisions, normalization notes, and source hashes are recorded in focus_word_sources/SOURCE.md. The corresponding derived membership data is distributed under CC BY-SA 4.0.

The application validates the archive SHA-256, embedded SQLite metadata, entry count, and all 13 membership counts before activating a downloaded dictionary.

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