Dataset Viewer
Duplicate
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:    CastError
Message:      Couldn't cast
format: string
ladder: string
pool: string
created: struct<corpus_config: struct<split: string, seed: int64, dataset: string>, utc: timestamp[s]>
  child 0, corpus_config: struct<split: string, seed: int64, dataset: string>
      child 0, split: string
      child 1, seed: int64
      child 2, dataset: string
  child 1, utc: timestamp[s]
pairs: list<item: list<item: string>>
  child 0, item: list<item: string>
      child 0, item: string
nei_by_page: struct<Seth_MacFarlane: list<item: string>, The_World_According_to_Paris: list<item: string>, Joseph (... 554813 chars omitted)
  child 0, Seth_MacFarlane: list<item: string>
      child 0, item: string
  child 1, The_World_According_to_Paris: list<item: string>
      child 0, item: string
  child 2, Joseph_Serrano: list<item: string>
      child 0, item: string
  child 3, L.A._Confidentiel: list<item: string>
      child 0, item: string
  child 4, Peloponnesian_War: list<item: string>
      child 0, item: string
  child 5, Kick-Ass_-LRB-film-RRB-: list<item: string>
      child 0, item: string
  child 6, Electoral_history_of_Jimmy_Carter: list<item: string>
      child 0, item: string
  child 7, Indiana: list<item: string>
      child 0, item: string
  child 8, This_Is_the_Life_-LRB-2008_film-RRB-: list<item: string>
      child 0, item: string
  child 9, Tim_Rice: list<item: string>
      child 0, item: string
  child 10, Anne_Bancroft: list<item: string>
      child 0, item: string
  child 11, Lincoln_Motor_Company: list<item:
...
913, Don_Simpson: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
  child 2914, Sunflower_-LRB-1970_film-RRB-: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
  child 2915, Shonen_Jump_-LRB-magazine-RRB-: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
  child 2916, Equidae: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
  child 2917, Adderall: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
  child 2918, Kung_Fu_Panda_3: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
  child 2919, Counterculture: list<item: list<item: string>>
      child 0, item: list<item: string>
          child 0, item: string
fillers: list<item: string>
  child 0, item: string
pages: list<item: string>
  child 0, item: string
runs: list<item: struct<book: string, sentences: list<item: string>>>
  child 0, item: struct<book: string, sentences: list<item: string>>
      child 0, book: string
      child 1, sentences: list<item: string>
          child 0, item: string
provenance: struct<corpus: string, books: int64, runs: int64, splitter: string, seed: int64>
  child 0, corpus: string
  child 1, books: int64
  child 2, runs: int64
  child 3, splitter: string
  child 4, seed: int64
to
{'format': Value('string'), 'ladder': Value('string'), 'pool': Value('string'), 'created': {'corpus_config': {'hf_dataset': Value('string'), 'text_column': Value('string'), 'id_column': Value('null'), 'local_dir': Value('null'), 'max_books': Value('int64'), 'max_sentences_per_book': Value('int64'), 'min_run': Value('int64'), 'min_sentence_words': Value('int64'), 'splitter': Value('string'), 'seed': Value('int64')}, 'utc': Value('timestamp[s]')}, 'runs': List({'book': Value('string'), 'sentences': List(Value('string'))}), 'provenance': {'corpus': Value('string'), 'books': Value('int64'), 'runs': Value('int64'), 'splitter': Value('string'), 'seed': Value('int64')}}
because column names don't match
Traceback:    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 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, 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 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/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 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              format: string
              ladder: string
              pool: string
              created: struct<corpus_config: struct<split: string, seed: int64, dataset: string>, utc: timestamp[s]>
                child 0, corpus_config: struct<split: string, seed: int64, dataset: string>
                    child 0, split: string
                    child 1, seed: int64
                    child 2, dataset: string
                child 1, utc: timestamp[s]
              pairs: list<item: list<item: string>>
                child 0, item: list<item: string>
                    child 0, item: string
              nei_by_page: struct<Seth_MacFarlane: list<item: string>, The_World_According_to_Paris: list<item: string>, Joseph (... 554813 chars omitted)
                child 0, Seth_MacFarlane: list<item: string>
                    child 0, item: string
                child 1, The_World_According_to_Paris: list<item: string>
                    child 0, item: string
                child 2, Joseph_Serrano: list<item: string>
                    child 0, item: string
                child 3, L.A._Confidentiel: list<item: string>
                    child 0, item: string
                child 4, Peloponnesian_War: list<item: string>
                    child 0, item: string
                child 5, Kick-Ass_-LRB-film-RRB-: list<item: string>
                    child 0, item: string
                child 6, Electoral_history_of_Jimmy_Carter: list<item: string>
                    child 0, item: string
                child 7, Indiana: list<item: string>
                    child 0, item: string
                child 8, This_Is_the_Life_-LRB-2008_film-RRB-: list<item: string>
                    child 0, item: string
                child 9, Tim_Rice: list<item: string>
                    child 0, item: string
                child 10, Anne_Bancroft: list<item: string>
                    child 0, item: string
                child 11, Lincoln_Motor_Company: list<item:
              ...
              913, Don_Simpson: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
                child 2914, Sunflower_-LRB-1970_film-RRB-: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
                child 2915, Shonen_Jump_-LRB-magazine-RRB-: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
                child 2916, Equidae: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
                child 2917, Adderall: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
                child 2918, Kung_Fu_Panda_3: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
                child 2919, Counterculture: list<item: list<item: string>>
                    child 0, item: list<item: string>
                        child 0, item: string
              fillers: list<item: string>
                child 0, item: string
              pages: list<item: string>
                child 0, item: string
              runs: list<item: struct<book: string, sentences: list<item: string>>>
                child 0, item: struct<book: string, sentences: list<item: string>>
                    child 0, book: string
                    child 1, sentences: list<item: string>
                        child 0, item: string
              provenance: struct<corpus: string, books: int64, runs: int64, splitter: string, seed: int64>
                child 0, corpus: string
                child 1, books: int64
                child 2, runs: int64
                child 3, splitter: string
                child 4, seed: int64
              to
              {'format': Value('string'), 'ladder': Value('string'), 'pool': Value('string'), 'created': {'corpus_config': {'hf_dataset': Value('string'), 'text_column': Value('string'), 'id_column': Value('null'), 'local_dir': Value('null'), 'max_books': Value('int64'), 'max_sentences_per_book': Value('int64'), 'min_run': Value('int64'), 'min_sentence_words': Value('int64'), 'splitter': Value('string'), 'seed': Value('int64')}, 'utc': Value('timestamp[s]')}, 'runs': List({'book': Value('string'), 'sentences': List(Value('string'))}), 'provenance': {'corpus': Value('string'), 'books': Value('int64'), 'runs': Value('int64'), 'splitter': Value('string'), 'seed': Value('int64')}}
              because column names don't match

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CTC seed pools

Serialized corpus pools for the CTC long-context suite's data generators (allenai/OLMo-core, branch prasann/ctc, pip package ctc/). Each file is the output of the one build step that needs heavy machinery — a GPU cross-encoder, a pyserini/Lucene index, an LLM mining run, or a multi-gigabyte download — captured once, so that anyone can build train and eval data at any context scale (2k to 10M+ tokens per example) on a bare pip install: no GPU, no Java, no API key.

git clone -b prasann/ctc https://github.com/allenai/OLMo-core && cd OLMo-core
pip install ./ctc

ctc-data build --task contradiction --pool auto --train 18000 --out DIR   # ~4 min: 18k train
                                                                          # + a nested 5-rung
                                                                          # 500-example eval ladder
ctc-data build --task nq --pool auto --split eval --rungs 2k,32k --out DIR    # seconds
ctc-data build --task contradiction --pool auto --split eval --rungs 64k,1m \
    --eval-size 125 --allow-small-eval --out DIR                          # rungs extrapolate
                                                                          # beyond the 32k table

--pool auto downloads <task>.seed.jsonl.gz from this repo (cached locally by huggingface_hub; repeat builds are offline). A seeded build is the same build: the pool is everything a generator reads, so identical (--seed, config) gives identical examples from the live loader and from the file — asserted per ladder by the package's tests.

Format

Gzipped two-line JSONL: a header (format: ctc-seed-pool-v1, the ladder the pool was exported for, provenance) and one payload line. Loading executes nothing but json.loads and whitelisted dataclass constructors — no pickle. ctc-data build refuses a pool exported for a different ladder, and ctc-data pool info FILE prints the header.

What each pool contains, and what it saved

file expensive part captured notes
contradiction.seed.jsonl.gz LLM-mined claim/contradiction pairs (60,342, recovered losslessly from the audited 20k train build) + PubMed filler abstracts pairs are consumed, never reused: k=3 caps train at ~18k examples — pass --train 18000
redundancy.seed.jsonl.gz LLM-mined paraphrase pairs (4,477) + LLM-judged same-abstract hard negatives + fillers supply-bounded like contradiction: ~1.3k train examples at the default k=3
nq.seed.jsonl.gz BM25 hard negatives from the 21M-passage wikipedia-dpr-100w Lucene index + GPU cross-encoder gold filter 10% hard-negative regime, CE filter on; 9,093 distinct queries — a 20k train build reuses queries with fresh distractor draws and says so ("pool wraps") in its report
hotpotqa.seed.jsonl.gz GPU cross-encoder ranking of the benchmark's distractors bridge questions, 2 gold each; 25k queries
rerank.seed.jsonl.gz MS MARCO mined hard negatives + a cross-encoder score for every document (25k queries) the graded-ordering reference. Cannot wrap: fill is pre-drawn and scored per query, so distinct examples need distinct queries
fiqa.seed.jsonl.gz / scifact.seed.jsonl.gz BEIR corpus + locally-built Lucene index + CE margin filter eval-only ladders; build refuses --split train
outlier.seed.jsonl.gz full scan of the 21M-passage wiki100w index into an article pool (2.2 GB) largest file; expect a slow first load
outlier_review.seed.jsonl.gz Amazon-Reviews-2023 streaming sample eval-only
contra_fever.seed.jsonl.gz FEVER gold-evidence restructuring eval-only
oolong.seed.jsonl.gz OOLONG-synth pull + per-item token counts (Qwen3 tokenizer)
absence.seed.jsonl.gz / reorder.seed.jsonl.gz Project Gutenberg (~11 GB) + punkt sentence segmentation into prose runs / passage streams
grouping_labeled.seed.jsonl.gz OpenAlex compact projection (52k papers + 31k year-restricted eval fetch) the ~300 GB works snapshot, pre-reduced
qdmatch_nq.seed.jsonl.gz / qdmatch_hpqa.seed.jsonl.gz projected from the nq / hotpotqa pools above
xabsence.seed.jsonl.gz LLM-mined paraphrase-twin pool ⚠ 659 pairs only — seeds small builds; large rungs need a bigger mining run

The four pure-synthetic ladders (cycle, groups4, mathmatch, textgroups) need no pool — they build from a seed integer alone.

Pools are corpus material only (no rendered prompts, no eval answers beyond the corpora's own annotations). Underlying sources carry their own licenses: PubMedQA, Natural Questions, HotpotQA, MS MARCO, BEIR (FiQA/SciFact), FEVER, Amazon-Reviews-2023, OOLONG-synth, Project Gutenberg, OpenAlex, Wikipedia (DPR 100-word split).

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