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crossref.org API - /works Updates
How to follow research paper updates with https://api.crossref.org/works API?
✍: FYIcenter.com
DOI metadata of research papers are changing changing.
If you want to keep up with metadata changes,
you can use the https://api.crossref.org/works API
to implement an automated process.
1. Create 2 tracking variables and initialize them with very low values:
upd_date = 1950-01-01 upd_page = -1
Step 1 is one-time only. If your automated process gets interrupted, you should restart it from Step 2.
2. Fetch DOI metadata updated of the next day and sorted by update time with next cursor enabled:
date = upd_date + 1 day page = 0 https://api.crossref.org/works?filter=from-update-date%3A{date}%2Cuntil-update-date%3A{date}&sort=updated&order=asc&cursor=*
3.1. If (page > upd_page):
Process all entries in the response. upd_page = page page = page + 1
3.2. Else (page <= upd_page):
page = page + 1
4.1. If next-cursor exists in the output:
https://api.crossref.org/works?filter=from-update-date%3A{date}%2Cuntil-update-date%3A{date}&sort=updated&order=asc&cursor={next-cursor} Go to step 3
4.2. Else (next-cursor does not exist in the output):
upd_date = upd_date + 1 day upd_page = -1
Parameters and filters used in the API:
from-update-date:{date} - Limit deposited.date-time > date in the output until-update-date:{date} - Limit deposited.date-time < date+1 in the output sort=updated - Sort output by deposited.date-time order=asc - Sort deposited.date-time in ascending order
⇒ DOI API for Python - Crossref Commons
2022-12-03, ∼594🔥, 0💬
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