is based on someone’s experience
その話は彼自身の体験に基づいている。
That story is based on his own experience.
彼の今度の小説は自分の体験に基づいていると言われている。
It is said that his next novel is based on his own experiences.
その話が彼の体験に基づいているという証拠はない。
There is no evidence that the story is based on his experience.