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The dataset generation failed
Error code: DatasetGenerationError
Exception: TypeError
Message: Couldn't cast array of type struct<kind: string, platform_hint: string, quoted_author: string, quoted_user_id: string, quoted_post_id: string, quoted_author_url: string, source_url: string, raw_cite: string, quoted_text_redacted: string, quoted_text_chars: int64> to null
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1816, in _prepare_split_single
for key, table in generator:
^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
for item in generator(*args, **kwargs):
~~~~~~~~~^^^^^^^^^^^^^^^^^
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 2369, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2303, in cast_table_to_schema
cast_array_to_feature(
~~~~~~~~~~~~~~~~~~~~~^
table[name] if name in table_column_names else pa.array([None] * len(table), type=schema.field(name).type),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
feature,
^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1852, in wrapper
return pa.chunked_array([func(chunk, *args, **kwargs) for chunk in array.chunks])
~~~~^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2059, in cast_array_to_feature
_c(array.field(name) if name in array_fields else null_array, subfeature)
~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
return func(array, *args, **kwargs)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2109, in cast_array_to_feature
casted_array_values = _c(array.values, feature.feature)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
return func(array, *args, **kwargs)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2143, in cast_array_to_feature
return array_cast(
array,
...<2 lines>...
allow_decimal_to_str=allow_decimal_to_str,
)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
return func(array, *args, **kwargs)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2007, in array_cast
raise TypeError(f"Couldn't cast array of type {_short_str(array.type)} to {_short_str(pa_type)}")
TypeError: Couldn't cast array of type struct<kind: string, platform_hint: string, quoted_author: string, quoted_user_id: string, quoted_post_id: string, quoted_author_url: string, source_url: string, raw_cite: string, quoted_text_redacted: string, quoted_text_chars: int64> to null
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
~~~~~~~~~~~~~~~~~~~~~~~~~^
builder, max_dataset_size_bytes=max_dataset_size_bytes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1683, in _prepare_split
for job_id, done, content in self._prepare_split_single(
~~~~~~~~~~~~~~~~~~~~~~~~~~^
gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1869, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
canonical_url string | discussion_url string | initial_request dict | listing dict | page_urls list | participants list | platform string | post_count int64 | posts list | raw_html_pages list | schema string | source_id string | title string | trace_metadata dict | url string | extracted_from string | parser_version string |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
https://www.lexilogia.gr/threads/%CE%9C%CE%B7-%CF%83%CF%84%CE%B1%CE%BC%CE%B1%CF%84%CE%AC%CF%84%CE%B5-%CF%83%CF%84%CE%B7%CE%BD-%CF%80%CF%81%CF%8E%CF%84%CE%B7-%CF%83%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-%CF%84%CE%BF%CF%85%CF%82-%E2%80%94-%CE%AD%CF%87%CE%BF%CF%85%CE%BD-%CE%BA%CE%B9-%CE%AC%CE%BB%CE%BB%CE%B5%CF%82.16627 | https://www.lexilogia.gr/threads/%CE%9C%CE%B7-%CF%83%CF%84%CE%B1%CE%BC%CE%B1%CF%84%CE%AC%CF%84%CE%B5-%CF%83%CF%84%CE%B7%CE%BD-%CF%80%CF%81%CF%8E%CF%84%CE%B7-%CF%83%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-%CF%84%CE%BF%CF%85%CF%82-%E2%80%94-%CE%AD%CF%87%CE%BF%CF%85%CE%BD-%CE%BA%CE%B9-%CE%AC%CE%BB%CE%BB%CE%B5%CF%82.16627 | {"role":"initial_request","position":1,"post_id":"js-post-255599","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"nickel","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/for(...TRUNCATED) | ["https://www.lexilogia.gr/threads/%CE%9C%CE%B7-%CF%83%CF%84%CE%B1%CE%BC%CE%B1%CF%84%CE%AC%CF%84%CE%(...TRUNCATED) | [{"author":"nickel","author_key":"1ff7172a98dd05a1","first_position":1,"post_count":38,"positions":[(...TRUNCATED) | xenforo | 176 | [{"role":"initial_request","position":1,"post_id":"js-post-255599","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/a6d3286e358f5563-Μη-σταματ-τε-στην-πρ-(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | "Μη σταματάτε στην πρώτη σημασία τους — έχουν κι άλλες (...TRUNCATED) | {"initial_request_post_id":"js-post-255599","op_author":"nickel","op_author_key":"1ff7172a98dd05a1",(...TRUNCATED) | https://www.lexilogia.gr/threads/%CE%9C%CE%B7-%CF%83%CF%84%CE%B1%CE%BC%CE%B1%CF%84%CE%AC%CF%84%CE%B5-%CF%83%CF%84%CE%B7%CE%BD-%CF%80%CF%81%CF%8E%CF%84%CE%B7-%CF%83%CE%B7%CE%BC%CE%B1%CF%83%CE%AF%CE%B1-%CF%84%CE%BF%CF%85%CF%82-%E2%80%94-%CE%AD%CF%87%CE%BF%CF%85%CE%BD-%CE%BA%CE%B9-%CE%AC%CE%BB%CE%BB%CE%B5%CF%82.16627 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/false-friends-faux-amis-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B9%CE%BB%CE%B5%CF%82-%CE%BC%CE%BF%CE%BD%CE%AC%CE%B4%CE%B5%CF%82-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B9%CE%BB%CE%B5%CF%82-%CE%BB%CE%AD%CE%BE%CE%B5%CE%B9%CF%82-%CF%88%CE%B5%CF%85%CF%84%CE%BF%CF%86%CE%AF%CE%BB%CE%B5%CF%82.... | https://www.lexilogia.gr/threads/false-friends-faux-amis-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B9%CE%BB%CE%B5%CF%82-%CE%BC%CE%BF%CE%BD%CE%AC%CE%B4%CE%B5%CF%82-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B9%CE%BB%CE%B5%CF%82-%CE%BB%CE%AD%CE%BE%CE%B5%CE%B9%CF%82-%CF%88%CE%B5%CF%85%CF%84%CE%BF%CF%86%CE%AF%CE%BB%CE%B5%CF%82.... | {"role":"initial_request","position":1,"post_id":"js-post-37478","post_url":"https://www.lexilogia.g(...TRUNCATED) | {"author":"nickel","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/for(...TRUNCATED) | ["https://www.lexilogia.gr/threads/false-friends-faux-amis-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B(...TRUNCATED) | [{"author":"nickel","author_key":"1ff7172a98dd05a1","first_position":1,"post_count":143,"positions":(...TRUNCATED) | xenforo | 561 | [{"role":"initial_request","position":1,"post_id":"js-post-37478","post_url":"https://www.lexilogia.(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/b683dae38d5b09de-false-friends-faux-amis-ψευδ-φι(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | "false friends, faux amis, ψευδόφιλες μονάδες, ψευδόφιλες λέξεις, (...TRUNCATED) | {"initial_request_post_id":"js-post-37478","op_author":"nickel","op_author_key":"1ff7172a98dd05a1","(...TRUNCATED) | https://www.lexilogia.gr/threads/false-friends-faux-amis-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B9%CE%BB%CE%B5%CF%82-%CE%BC%CE%BF%CE%BD%CE%AC%CE%B4%CE%B5%CF%82-%CF%88%CE%B5%CF%85%CE%B4%CF%8C%CF%86%CE%B9%CE%BB%CE%B5%CF%82-%CE%BB%CE%AD%CE%BE%CE%B5%CE%B9%CF%82-%CF%88%CE%B5%CF%85%CF%84%CE%BF%CF%86%CE%AF%CE%BB%CE%B5%CF%82.... | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/%CE%A0%CE%B1%CE%B3%CE%AF%CE%B4%CE%B5%CF%82-%CF%83%CF%84%CE%B7-%CE%BC%CE%B5%CF%84%CE%AC%CF%86%CF%81%CE%B1%CF%83%CE%B7.4649 | https://www.lexilogia.gr/threads/%CE%A0%CE%B1%CE%B3%CE%AF%CE%B4%CE%B5%CF%82-%CF%83%CF%84%CE%B7-%CE%BC%CE%B5%CF%84%CE%AC%CF%86%CF%81%CE%B1%CF%83%CE%B7.4649 | {"role":"initial_request","position":1,"post_id":"js-post-45714","post_url":"https://www.lexilogia.g(...TRUNCATED) | {"author":"Zazula","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/for(...TRUNCATED) | ["https://www.lexilogia.gr/threads/%CE%A0%CE%B1%CE%B3%CE%AF%CE%B4%CE%B5%CF%82-%CF%83%CF%84%CE%B7-%CE(...TRUNCATED) | [{"author":"Zazula","author_key":"e8622bb51b2fd822","first_position":1,"post_count":13,"positions":[(...TRUNCATED) | xenforo | 58 | [{"role":"initial_request","position":1,"post_id":"js-post-45714","post_url":"https://www.lexilogia.(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/463705a9fbe09f8b-Παγ-δες-στη-μετ-φρασ(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | Παγίδες στη μετάφραση | Lexilogia Forums | {"initial_request_post_id":"js-post-45714","op_author":"Zazula","op_author_key":"e8622bb51b2fd822","(...TRUNCATED) | https://www.lexilogia.gr/threads/%CE%A0%CE%B1%CE%B3%CE%AF%CE%B4%CE%B5%CF%82-%CF%83%CF%84%CE%B7-%CE%BC%CE%B5%CF%84%CE%AC%CF%86%CF%81%CE%B1%CF%83%CE%B7.4649 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/enabling-technology.18410 | https://www.lexilogia.gr/threads/enabling-technology.18410 | {"role":"initial_request","position":1,"post_id":"js-post-278401","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"drsiebenmal","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.g(...TRUNCATED) | [
"https://www.lexilogia.gr/threads/enabling-technology.18410/"
] | [{"author":"drsiebenmal","author_key":"8ae10dcf126bc804","first_position":1,"post_count":4,"position(...TRUNCATED) | xenforo | 15 | [{"role":"initial_request","position":1,"post_id":"js-post-278401","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/4127e8075522745d-enabling-technology/page_001.html","p(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | enabling technology | Lexilogia Forums | {"initial_request_post_id":"js-post-278401","op_author":"drsiebenmal","op_author_key":"8ae10dcf126bc(...TRUNCATED) | https://www.lexilogia.gr/threads/enabling-technology.18410 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/%CE%A3%CF%85%CE%BD%CF%84%CE%BF%CE%BC%CE%BF%CE%B3%CF%81%CE%B1%CF%86%CE%AF%CE%B5%CF%82-%CE%B1%CF%81%CE%BA%CF%84%CE%B9%CE%BA%CF%8C%CE%BB%CE%B5%CE%BE%CE%B1-%CE%B1%CE%BA%CF%81%CF%89%CE%BD%CF%8D%CE%BC%CE%B9%CE%B1.17659 | https://www.lexilogia.gr/threads/%CE%A3%CF%85%CE%BD%CF%84%CE%BF%CE%BC%CE%BF%CE%B3%CF%81%CE%B1%CF%86%CE%AF%CE%B5%CF%82-%CE%B1%CF%81%CE%BA%CF%84%CE%B9%CE%BA%CF%8C%CE%BB%CE%B5%CE%BE%CE%B1-%CE%B1%CE%BA%CF%81%CF%89%CE%BD%CF%8D%CE%BC%CE%B9%CE%B1.17659 | {"role":"initial_request","position":1,"post_id":"js-post-270106","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"Duke_of_Waltham","forum_title":"English–Greek queries","forum_url":"https://www.lexilog(...TRUNCATED) | ["https://www.lexilogia.gr/threads/%CE%A3%CF%85%CE%BD%CF%84%CE%BF%CE%BC%CE%BF%CE%B3%CF%81%CE%B1%CF%8(...TRUNCATED) | [{"author":"Duke_of_Waltham","author_key":"fa24d79be7c5f1f9","first_position":1,"post_count":5,"posi(...TRUNCATED) | xenforo | 11 | [{"role":"initial_request","position":1,"post_id":"js-post-270106","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/567d439e2e90f183-Συντομογραφ-ες-αρκτ(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | Συντομογραφίες, αρκτικόλεξα, ακρωνύμια | Lexilogia Forums | {"initial_request_post_id":"js-post-270106","op_author":"Duke_of_Waltham","op_author_key":"fa24d79be(...TRUNCATED) | https://www.lexilogia.gr/threads/%CE%A3%CF%85%CE%BD%CF%84%CE%BF%CE%BC%CE%BF%CE%B3%CF%81%CE%B1%CF%86%CE%AF%CE%B5%CF%82-%CE%B1%CF%81%CE%BA%CF%84%CE%B9%CE%BA%CF%8C%CE%BB%CE%B5%CE%BE%CE%B1-%CE%B1%CE%BA%CF%81%CF%89%CE%BD%CF%8D%CE%BC%CE%B9%CE%B1.17659 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/non-binary-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8C%CF%82-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8C-%CE%AC%CF%84%CE%BF%CE%BC%CE%BF.18719 | https://www.lexilogia.gr/threads/non-binary-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8C%CF%82-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8C-%CE%AC%CF%84%CE%BF%CE%BC%CE%BF.18719 | {"role":"initial_request","position":1,"post_id":"js-post-281627","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"Palavra","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/fo(...TRUNCATED) | ["https://www.lexilogia.gr/threads/non-binary-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8(...TRUNCATED) | [{"author":"Palavra","author_key":"6eef4cd3341b0c76","first_position":1,"post_count":2,"positions":[(...TRUNCATED) | xenforo | 9 | [{"role":"initial_request","position":1,"post_id":"js-post-281627","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/86ac9c76f65558e3-non-binary-μη-δυαδικ-ς-μη-(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | non-binary = μη δυαδικός, μη δυαδικό άτομο | Lexilogia Forums | {"initial_request_post_id":"js-post-281627","op_author":"Palavra","op_author_key":"6eef4cd3341b0c76"(...TRUNCATED) | https://www.lexilogia.gr/threads/non-binary-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8C%CF%82-%CE%BC%CE%B7-%CE%B4%CF%85%CE%B1%CE%B4%CE%B9%CE%BA%CF%8C-%CE%AC%CF%84%CE%BF%CE%BC%CE%BF.18719 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/livable.19545 | https://www.lexilogia.gr/threads/livable.19545 | {"role":"initial_request","position":1,"post_id":"js-post-291769","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"skol","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/forum(...TRUNCATED) | ["https://www.lexilogia.gr/threads/livable.19545/","https://www.lexilogia.gr/threads/livable.19545/p(...TRUNCATED) | [{"author":"skol","author_key":"1c1f6ee4558b05e3","first_position":1,"post_count":10,"positions":[1,(...TRUNCATED) | xenforo | 29 | [{"role":"initial_request","position":1,"post_id":"js-post-291769","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/dc2e0cc6f02a6c0b-livable/page_001.html","page":1,"url"(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | livable | Lexilogia Forums | {"initial_request_post_id":"js-post-291769","op_author":"skol","op_author_key":"1c1f6ee4558b05e3","o(...TRUNCATED) | https://www.lexilogia.gr/threads/livable.19545 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/demob-happy.20331 | https://www.lexilogia.gr/threads/demob-happy.20331 | {"role":"initial_request","position":1,"post_id":"js-post-300814","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"Theseus","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/fo(...TRUNCATED) | [
"https://www.lexilogia.gr/threads/demob-happy.20331/"
] | [{"author":"Theseus","author_key":"f50007c824d19170","first_position":1,"post_count":2,"positions":[(...TRUNCATED) | xenforo | 7 | [{"role":"initial_request","position":1,"post_id":"js-post-300814","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/3116793a42b50727-demob-happy/page_001.html","page":1,"(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | demob happy | Lexilogia Forums | {"initial_request_post_id":"js-post-300814","op_author":"Theseus","op_author_key":"f50007c824d19170"(...TRUNCATED) | https://www.lexilogia.gr/threads/demob-happy.20331 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/paradigm-shift-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CE%B5%CF%80%CE%B9%CF%83%CF%84%CE%B7%CE%BC%CE%BF%CE%BD%CE%B9%CE%BA%CE%BF%CF%8D-%CF%80%CE%B1%CF%81%CE%B1%CE%B4%CE%B5%CE%AF%CE%B3%CE%BC%CE%B1%CF%84%CE%BF%CF%82-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CF%85%CF%80%CE%BF%CE%B4%CE%B5%CE%AF%CE%... | https://www.lexilogia.gr/threads/paradigm-shift-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CE%B5%CF%80%CE%B9%CF%83%CF%84%CE%B7%CE%BC%CE%BF%CE%BD%CE%B9%CE%BA%CE%BF%CF%8D-%CF%80%CE%B1%CF%81%CE%B1%CE%B4%CE%B5%CE%AF%CE%B3%CE%BC%CE%B1%CF%84%CE%BF%CF%82-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CF%85%CF%80%CE%BF%CE%B4%CE%B5%CE%AF%CE%... | {"role":"initial_request","position":1,"post_id":"js-post-120692","post_url":"https://www.lexilogia.(...TRUNCATED) | {"author":"nickel","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/for(...TRUNCATED) | ["https://www.lexilogia.gr/threads/paradigm-shift-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CE%B5%CF%80%(...TRUNCATED) | [{"author":"nickel","author_key":"1ff7172a98dd05a1","first_position":1,"post_count":14,"positions":[(...TRUNCATED) | xenforo | 58 | [{"role":"initial_request","position":1,"post_id":"js-post-120692","post_url":"https://www.lexilogia(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/ab1c90c97cd0986f-paradigm-shift-αλλαγ-επιστ(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | "paradigm shift = αλλαγή (επιστημονικού) παραδείγματος, αλλαγή(...TRUNCATED) | {"initial_request_post_id":"js-post-120692","op_author":"nickel","op_author_key":"1ff7172a98dd05a1",(...TRUNCATED) | https://www.lexilogia.gr/threads/paradigm-shift-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CE%B5%CF%80%CE%B9%CF%83%CF%84%CE%B7%CE%BC%CE%BF%CE%BD%CE%B9%CE%BA%CE%BF%CF%8D-%CF%80%CE%B1%CF%81%CE%B1%CE%B4%CE%B5%CE%AF%CE%B3%CE%BC%CE%B1%CF%84%CE%BF%CF%82-%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE-%CF%85%CF%80%CE%BF%CE%B4%CE%B5%CE%AF%CE%... | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
https://www.lexilogia.gr/threads/pantogram-%CF%80%CE%B1%CE%BD%CF%84%CF%8C%CE%B3%CF%81%CE%B1%CE%BC%CE%BC%CE%B1.3162 | https://www.lexilogia.gr/threads/pantogram-%CF%80%CE%B1%CE%BD%CF%84%CF%8C%CE%B3%CF%81%CE%B1%CE%BC%CE%BC%CE%B1.3162 | {"role":"initial_request","position":1,"post_id":"js-post-28881","post_url":"https://www.lexilogia.g(...TRUNCATED) | {"author":"nickel","forum_title":"English–Greek queries","forum_url":"https://www.lexilogia.gr/for(...TRUNCATED) | ["https://www.lexilogia.gr/threads/pantogram-%CF%80%CE%B1%CE%BD%CF%84%CF%8C%CE%B3%CF%81%CE%B1%CE%BC%(...TRUNCATED) | [{"author":"nickel","author_key":"1ff7172a98dd05a1","first_position":1,"post_count":5,"positions":[1(...TRUNCATED) | xenforo | 26 | [{"role":"initial_request","position":1,"post_id":"js-post-28881","post_url":"https://www.lexilogia.(...TRUNCATED) | [{"html_path":"raw_html/discussions/lexilogia/3218dfd10cd31662-pantogram-παντ-γραμμα/page_(...TRUNCATED) | greek_forum_traces.scraped_discussion.v6 | lexilogia | pantogram = παντόγραμμα | Lexilogia Forums | {"initial_request_post_id":"js-post-28881","op_author":"nickel","op_author_key":"1ff7172a98dd05a1","(...TRUNCATED) | https://www.lexilogia.gr/threads/pantogram-%CF%80%CE%B1%CE%BD%CF%84%CF%8C%CE%B3%CF%81%CE%B1%CE%BC%CE%BC%CE%B1.3162 | outputs/scrape/recover_six_core_20260504_133948 | reparse_scrape_run_from_html.py @ 2026-05-05 |
End of preview.
Lexilogia Discussions
17,814 public threads — 235,889 posts — from Lexilogia, a Greek forum where translators, editors and language professionals work out hard questions in the open: what a term should be in Greek, why one rendering beats another, where a usage came from.
It is published as a research corpus for Greek language technology, which has very little conversational data of this quality and almost none of it argued through to a conclusion.
from datasets import load_dataset
ds = load_dataset("Greekpt/lexilogia-discussions", split="train", streaming=True)
What a record contains
One thread per record: its title and URL, the opening post, every reply in order, and a participant list giving who posted and at which positions. Replies carry the handle that wrote them and, where the forum recorded it, the post they were answering. Post bodies are the redacted form produced at collection — signatures and moderation notes are separated out rather than inlined.
strip_profiles_and_timestamps.py in this repository is the exact transform
applied before publication. It removes links to member profile pages, and it
removes when things happened — post times, thread activity times, collection
times. Nothing else was changed.
Handles are kept
Members are named as they name themselves on a public forum. Removing that was tried and abandoned: on a forum about words, the handles collide with the vocabulary under discussion, and replacing them in running text damages the exact content the corpus exists to preserve. Following who is answering whom is most of what makes these threads worth reading.
That means this dataset contains personal data: a handle, and what that person wrote and argued over the years. It is drawn entirely from pages Lexilogia serves publicly, but "already public" is a description, not a permission.
Rights and removal
Under Lexilogia's terms, copyright stays with the individual authors. This corpus is published for non-commercial research and is not offered as a licence to anyone's writing.
If you posted on Lexilogia and want your content out, or you are Lexilogia staff
and want the whole thing down, open a discussion on this repository or write to
foivos.karounos@eellak.gr. Removal needs no justification. Records carry a
stable author_key, so removing one member's posts is exact rather than
best-effort, and removals carry into anything released from this corpus
afterwards.
Built from this
Greekpt/greek-forum-reasoning-traces
— reasoning traces written from these threads, and
the pipeline
that produces them.
Citation
Karounos, F. (2026). Lexilogia Discussions. Greekpt. https://huggingface.co/datasets/Greekpt/lexilogia-discussions
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