From 97b293dbed0b699602d88889224677b6b4e8d7e5 Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Tue, 11 Jan 2022 10:46:20 +0100
Subject: notes: refcat update

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 notes/2022_01_10_refcat_update.md | 15 +++++++++++++++
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 create mode 100644 notes/2022_01_10_refcat_update.md

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diff --git a/notes/2022_01_10_refcat_update.md b/notes/2022_01_10_refcat_update.md
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+# Refcat update
+
+* new refs export, about 10% more (2.7B)
+* new fatcat export
+
+New wikipedia extraction:
+
+```
+martin@ia601101:/magna/data/wikipedia_citations_2020-07-14 $ LC_ALL=C grep ID_list minimal_dataset.json | grep -c DOI
+1442189
+
+$ jq -rc '.refs[] | select(.ID_list != null) | {"URL": .URL, "Title": .title, "ID_list": .ID_list}' enwiki-20211201-pages-articles.citations.json | pv -l  > minimal.json
+$ grep -c DOI minimal.json
+1932578
+```
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