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README.md

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+---
+configs:
+- config_name: epo_patents
+  data_files:
+  - split: train
+    path: epo_patents/*.parquet
+- config_name: wikidata_triples
+  data_files:
+  - split: train
+    path: wikidata_triples/*.parquet
+---
+
+# Pleias — Evaluation Samples
+
+Samples of Pleias's non-public seed data, for technical inspection and schema review.
+Volumes below describe what is available beyond these samples.
+
+| Config | Sample | Available |
+|---|---|---|
+| `epo_patents` | 107 sections / 7 patents | 1.08M patents processed (2020–2025); 8.25M-document full-text backfile 1978–2025 (5.49M with description/claims, ~48B words) |
+| `wikidata_triples` | 2.37M triples / 48.8k subjects | 2,369 shards, ~33 GB |
+
+More configs to follow: financial regulation (24 regulators, 12+ jurisdictions), 3GPP
+specifications, European open science.
+
+## epo_patents
+
+European Patent Office publications, processed from PDF with structure preserved. One row per
+document **section**, with document metadata repeated on each row (`document_id` regroups them).
+
+Composition notes: bibliographic front pages, figure lists, and boilerplate disclaimers are
+removed; paragraphs are reassembled across column and page breaks; margin line-numbering is
+dropped. Citation lists are kept but flagged (`is_document_list`) rather than deleted, since
+they carry citation structure. Bibliographic fields come from the document itself (INID codes),
+so `identifier` is the publication number and supplementary fields sit in `metadata` as JSON
+(`application_number`, `filing_date`, `ipc`, `inventors`, `kind_code`, `grant_or_prior_date`).
+
+`date` is the publication year. Note that some documents are republications after opposition,
+where the original grant year differs — that year is preserved in `metadata`.
+
+## wikidata_triples
+
+Wikidata statements parsed into subject–property–value triples with labels resolved and
+qualifiers attached (~30% of statements carry a qualifier). `value_type` distinguishes entity
+references from strings, quantities, times, coordinates, and monolingual text.
+
+## Licensing
+
+Samples are provided for inspection and schema review. Commercial training use requires a
+separate written licence. Source material is permissively licensed with document-level
+provenance; per-row `license` and `source_url` are included.
+
+Contact: Pierre-Carl Langlais, Pleias.