Based on; derived from; using something as the basis or starting point for making or thinking about something.
古い記録をもとにして、歴史小説を書いた。
I wrote a historical novel based on old records.
その調査結果をもとにして新しい政策が立てられた。
A new policy was formulated based on the results of that survey.
インタビューをもとにして記事をまとめた。
I compiled the article based on interviews.