From 043b35040e4385c674267aa88c4056bdfdd9cb6c Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Thu, 3 Sep 2020 18:27:44 -0700 Subject: update notes and explore --- notes/explore.md | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'notes') diff --git a/notes/explore.md b/notes/explore.md index 5f23d35..c25404d 100644 --- a/notes/explore.md +++ b/notes/explore.md @@ -12,6 +12,17 @@ PKP PLN numbers result in? So about 60k releases. +How about Hathitrust? + + select count(*), sum(journal.release_count), sum(journal.preserved_count) from journal join directory on journal.issnl = directory.issnl where directory.slug = 'hathitrust'; + + count(*) sum(journal.release_count) sum(journal.preserved_count) + ---------- -------------------------- ---------------------------- + 26628 48160184 36905342 + +Much larger potential impact, of 11+ million releases, though unclear how many +are acutally in the hathitrust archives. + ## 2020-06-23 Where do back ISSN-Ls come from? Answer: exiting fatcat metadata. -- cgit v1.2.3