Datasets:
File size: 3,055 Bytes
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license: cc0-1.0
language:
- multilingual
tags:
- crossref
- affiliations
data_files:
- split: author
path: data/author-*.parquet
- split: editor
path: data/editor-*.parquet
- split: translator
path: data/translator-*.parquet
- split: chair
path: data/chair-*.parquet
- split: institution
path: data/institution-*.parquet
- split: project_investigator
path: data/project_investigator-*.parquet
- split: project_lead_investigator
path: data/project_lead_investigator-*.parquet
- split: project_co_lead_investigator
path: data/project_co_lead_investigator-*.parquet
- split: all
path: data/all-*.parquet
- split: normalized
path:
- data/normalized-00000-of-00034.parquet
- data/normalized-00001-of-00034.parquet
- data/normalized-00002-of-00034.parquet
- data/normalized-00003-of-00034.parquet
- data/normalized-00004-of-00034.parquet
- data/normalized-00005-of-00034.parquet
- data/normalized-00006-of-00034.parquet
- data/normalized-00007-of-00034.parquet
- data/normalized-00008-of-00034.parquet
- data/normalized-00009-of-00034.parquet
- data/normalized-00010-of-00034.parquet
- data/normalized-00011-of-00034.parquet
- data/normalized-00012-of-00034.parquet
- data/normalized-00013-of-00034.parquet
- data/normalized-00014-of-00034.parquet
- data/normalized-00015-of-00034.parquet
- data/normalized-00016-of-00034.parquet
- data/normalized-00017-of-00034.parquet
- data/normalized-00018-of-00034.parquet
- data/normalized-00019-of-00034.parquet
- data/normalized-00020-of-00034.parquet
- data/normalized-00021-of-00034.parquet
- data/normalized-00022-of-00034.parquet
- data/normalized-00023-of-00034.parquet
- data/normalized-00024-of-00034.parquet
- data/normalized-00025-of-00034.parquet
- data/normalized-00026-of-00034.parquet
- data/normalized-00027-of-00034.parquet
- data/normalized-00028-of-00034.parquet
- data/normalized-00029-of-00034.parquet
- data/normalized-00030-of-00034.parquet
- data/normalized-00031-of-00034.parquet
- data/normalized-00032-of-00034.parquet
- data/normalized-00033-of-00034.parquet
---
# Crossref unique affiliations
Exact organization strings extracted from Crossref snapshot `2026-07`.
For the nine exact-string splits, no trimming, case folding, or Unicode normalization is performed. Repeated leaf
occurrences are counted, and empty decoded strings alone are excluded.
<!-- normalized-split:start -->
## Normalized split
The `normalized` split groups the exact strings in `all` after applying this
normalization contract:
1. Transliterate Unicode text to ASCII with Unidecode.
2. Convert letters to lowercase.
3. Remove punctuation while preserving internal whitespace.
4. Trim surrounding whitespace.
Rows that become empty are excluded and counted in
`normalization_metadata.json`. Each output row contains the normalized string,
the contributing Crossref sources in registry order, the summed occurrence
count, and the number of distinct raw affiliations that collapsed into it.
<!-- normalized-split:end -->
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