SimpleWikiSearch: A Clean Offline Wikipedia Environment for Agentic Search
Paper • 2607.26070 • Published
Datasets:
Dataset Viewer
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Cannot get the split names for the config 'default' of the dataset.
Exception: SplitsNotFoundError
Message: The split names could not be parsed from the dataset config.
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
for split_generator in builder._split_generators(
~~~~~~~~~~~~~~~~~~~~~~~~~^
StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 81, in _split_generators
first_examples = list(islice(pipeline, self.NUM_EXAMPLES_FOR_FEATURES_INFERENCE))
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 32, in _get_pipeline_from_tar
fs: fsspec.AbstractFileSystem = fsspec.filesystem("memory")
~~~~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/fsspec/registry.py", line 302, in filesystem
cls = get_filesystem_class(protocol)
File "/usr/local/lib/python3.14/site-packages/fsspec/registry.py", line 239, in get_filesystem_class
raise ValueError(f"Protocol not known: {protocol}")
ValueError: Protocol not known: memory
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/split_names.py", line 71, in compute_split_names_from_streaming_response
for split in get_dataset_split_names(
~~~~~~~~~~~~~~~~~~~~~~~^
path=dataset,
^^^^^^^^^^^^^
config_name=config,
^^^^^^^^^^^^^^^^^^^
token=hf_token,
^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
info = get_dataset_config_info(
path,
...<6 lines>...
**config_kwargs,
)
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.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.
SimpleWikiSearch Indexes
Offline Wikipedia indexes for SimpleWikiSearch (arXiv:2607.26070).
These files are binary search indexes (not row-oriented tables). Download and extract them locally; they are not intended for load_dataset().
Paper page: https://huggingface.co/papers/2607.26070
Files
| Archive | Size (approx.) | Contents |
|---|---|---|
enwiki-20260601-tantivy-chunk-1536.tar.zst |
~22 GB | Tantivy keyword index + chunk text store |
enwiki-20260601-faiss-hnsw-Qwen3-Embedding-0.6B.tar.zst |
~19 GB | FAISS HNSW dense index (Qwen3-Embedding-0.6B, dim=1024, fp16) |
Corpus snapshot: enwiki-20260601 — 7,189,602 articles / 10,837,506 section-aware chunks (target 1536 tokens).
Extract
tar -I zstd -xf enwiki-20260601-faiss-hnsw-Qwen3-Embedding-0.6B.tar.zst
tar -I zstd -xf enwiki-20260601-tantivy-chunk-1536.tar.zst
Expected layout:
data/database/wikipedia-index/enwiki-20260601/
faiss/hnsw-Qwen3-Embedding-0.6B-chunk-1536-fp16/
index.faiss
ids.pkl
tantivy/chunk-1536/
chunks/
titles/
Full setup (embedding server, MCP tools, QA agent): see deploy.md in the GitHub repo.
License
Wikipedia text is available under CC BY-SA 3.0. Indexes derived from that dump inherit the same license obligations.
Citation
@misc{xiong2026simplewikisearchcleanofflinewikipedia,
title={SimpleWikiSearch: A Clean Offline Wikipedia Environment for Agentic Search},
author={Guanming Xiong and Penghui Zhang},
year={2026},
eprint={2607.26070},
archivePrefix={arXiv},
primaryClass={cs.IR},
url={https://arxiv.org/abs/2607.26070},
}
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