Faculty Opinions

Agent Source token f66ad8fc-4def-4f99-9d59-62246e604534
Consumes Artifacts
Subject coverage Faculty Opinions Reviews that relate to articles with DOIs.
Object coverage All DOIs.
Data contributor Faculty Opinions
Data origin Faculty Opinions
Freshness Every 10 days
Identifies Linked DOIs
License Creative commons CC0 1.0 Universal (CC0 1.0)
Looks in Faculty Opinions's links
Name Faculty Opinions
Operated by Crossref
Produces Evidence Records Yes
Produces relation types reviews
Source ID facultyopinions
Updates or deletions None expected

What it is

Faculty Opinions is an online review publisher. Each Faculty Opinions Review can be related to a DOI. The Faculty Opinions source records the links between Faculty Opinions reviews and the articles that they review.

What it does

The Agent extracts links from the Faculty Opinions database. Faculty Opinions assign DOIs to their reviews and also use DOIs to refer to articles.

Where data comes from

Faculty Opinions provide Crossref with a periodic data dump.

Example Event

  "license": "https://creativecommons.org/publicdomain/zero/1.0/",
  "obj_id": "https://doi.org/10.1073/pnas.222371199",
  "source_token": "85dce7cf-7bbf-40c0-a983-739a784db09a",
  "occurred_at": "2002-11-07T00:00:00Z",
  "subj_id": "https://doi.org/10.3410/f.1010337.150911",
  "id": "fe64b40e-a69d-4f67-8918-f148bd4d9e19",
  "evidence_record": "https://evidence.eventdata.crossref.org/evidence/20180207-facultyopinions-6731c645-53f6-47b9-b4ea-8cd8984a9826",
  "terms": "https://doi.org/10.13003/CED-terms-of-use",
  "action": "add",
  "subj": {
    "pid": "https://doi.org/10.3410/f.1010337.150911",
    "url": "https://doi.org/10.3410/f.1010337.150911",
    "alternative_id": "150911",
    "work_type_id": "review"
  "source_id": "facultyopinions",
  "obj": {
  "pid": "https://doi.org/10.1073/pnas.222371199",
    "url": "https://doi.org/10.1073/pnas.222371199"
  "timestamp": "2018-02-07T18:00:37Z",
  "relation_type_id": "reviews"


Every 10 days the Agent retrieves the Faculty Opinions data dump and extracts all new links.

Evidence Record

  • Includes batches of url type observations that correspond to the Faculty Opinions dump.

Edits / deletion

  • Events may be edited if they are found to be faulty, e.g. non-existent DOIs


Faculty Opinions was previously named F1000 and the agent name was updated in June 2021.

Failure modes

  • Faculty Opinions data dump might not be up to date.

Further information