aboutsummaryrefslogtreecommitdiffstats
path: root/notes
diff options
context:
space:
mode:
Diffstat (limited to 'notes')
-rw-r--r--notes/explore.md11
1 files changed, 11 insertions, 0 deletions
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.