diff options
Diffstat (limited to 'notes/explore.md')
| -rw-r--r-- | notes/explore.md | 11 |
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. |