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README.md

@@ -40,4 +40,27 @@ configs:
     path: data/validation-*
   - split: test
     path: data/test-*
+license: cc-by-4.0
+source_datasets:
+- X-LANCE/WebSRC_v1.0
+tags:
+- decision-model
 ---
+
+# websrc-spans
+
+WebSRC v1.0 span questions over the visible text of each web page (CC BY 4.0).
+
+WebSRC (Chen et al., EMNLP 2021) has crowd-written questions over 6.4k web page segments; span
+answers are the annotated DOM element plus a character offset into its text. Each page's HTML is
+converted to visible text (``VisibleText``: decoded entities, collapsed whitespace, one line per
+block element, ``' | '`` between table cells) and every span answer is relocated in the answer
+element's range of that text, verified verbatim. Yes/no questions are not spans and are left out
+(the ``tasksource/websrc`` yes/no config holds them); unlocatable answers are dropped with a
+reason, never turned into nulls. One row per page groups its questions. Native website-disjoint
+splits: train and dev (``validation``) from the train+dev archive, ``test`` from the test archive
+with the answers released in ``WebSRC_v1.0_test_answers.json``.
+
+Original data: [X-LANCE/WebSRC_v1.0](https://huggingface.co/datasets/X-LANCE/WebSRC_v1.0), [original distribution](https://huggingface.co/datasets/X-LANCE/WebSRC_v1.0). Repackaged as parquet for [tasksource](https://github.com/sileod/tasksource) by [scripts/repackage_dataset/web_extraction.py](https://github.com/sileod/tasksource/blob/main/scripts/repackage_dataset/web_extraction.py#L203).
+
+[Conversion provenance](provenance.json): source revisions, hashes, configuration and exclusions.