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pretty_name: LexBench-SWDE-800
license: other
license_name: microsoft-reciprocal-license-ms-rl
license_link: https://huggingface.co/datasets/Lexmount/LexBench-SWDE-800/blob/main/LICENSE.txt
task_categories:
- other
size_categories:
- n<1K
tags:
- swde
- structured-data-extraction
- benchmark
configs:
- config_name: default
data_files:
- split: test
path: inputs.jsonl
---
# SWDE-800: fixed evaluation input subset of SWDE
Short name: **LB-SWDE**.
This distribution contains 800 archived HTML pages from **SWDE (Structured Web Data Extraction)**, selected for a Lexmount API extraction evaluation. SWDE was created by its original authors. Lexmount selected and packaged these inputs; it does not claim authorship of the source benchmark.
The original collection has 124,291 pages from 80 websites in eight domains. This subset contains ten pages from every website: 100 pages each for automobiles, books, cameras, jobs, movies, NBA players, restaurants and universities. It is a predeclared evaluation subset, not an official SWDE split or the complete benchmark.
## Source and selection
The original project was hosted at [CodePlex](https://archive.codeplex.com/?p=swde). These files come from the [SWDE source mirror at the pinned revision](https://github.com/woailaosang/swde/tree/e9b60dbbcb899d70e813e8b899b84e3540d540da). The original description is preserved in `UPSTREAM_README.txt`.
For each website, pages were ordered by the SHA-256 digest of `seed + "\0" + original_relative_path`, using seed `swde-native-api-first-round-20261104`; the first ten pages were selected before API evaluation. `selection.json` records the source archive digest and selection rule. `provenance.json` maps each case to its original path and input digest.
## Files and use
`inputs.jsonl` contains one row per page, with its ID, domain, website, original URL, original path, SHA-256 digest and HTML string. Encoding the HTML string as UTF-8 recovers the original bytes. The archived `<base>` element and external resource references are preserved. These pages describe historical website content; current URLs may have changed or disappeared.
The original SWDE task extracts 32 attribute types across the eight domains. Its annotations were created with handcrafted regular expressions at DOM text-node level; one field can contain multiple values. This input-only distribution does not include reference answers, provider responses or evaluation scores. Consult the original benchmark for its annotation files and task conventions.
## License and attribution
`LICENSE.txt` preserves the original CodePlex project's Microsoft Reciprocal License (Ms-RL). That project license describes accompanying software; captured third-party website content remains subject to its publishers' rights. The repository metadata records the original license and this distinction rather than assigning a new blanket license to the pages. No additional MIT, Apache or Creative Commons license is granted by this redistribution.
Please cite SWDE and retain its original source attribution when using these files. Credit Lexmount only for the 800-page selection and this packaging.
## Public HTML snapshots
[snapshots.json](snapshots.json) binds every page ID to its SHA-256 and an immutable public deployment. Native extraction APIs receive `fixture_base + '/' + id`; the original HTML files remain in this repository.
Original files are authoritative. Publication verifies the declared dataset version and complete input inventory before adding this binding. Changed HTML requires a new deployment and a new HF commit; previous files and deployment URLs remain available. Pin the full HF commit for evaluation and verify page hashes before and after calls. A mismatch stops collection rather than silently replacing the input. The navigation index does not host dataset HTML.
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