Contact

Errors in listed values, requests for additional categories or journals, and other comments can be sent through the form below. Not every message can be answered, but reports of errors are checked first.

Contact form (Google Forms) — the form is in Japanese, but messages in English are welcome.

Frequently asked questions

A journal is missing

The site centres on the major journals of each category and does not list every journal in a JCR category. Requests for additions are welcome through the form.

A value differs from the publisher's page

The publisher may have updated the value, or there may be a transcription error. Send the source link and the value will be checked and corrected.