Under US copyright law, data are considered discoverable facts and therefore not copyrightable.
但是如果你把 raw data 整理好成structured data,那是有版權的。比如 database。
但是任何 raw data 在使用之前都要跟data ownwer簽contracts or license agreements.
馬工和datata scientist, AI 從業人員或多或少應該知道這個吧。
推薦閱讀:
Carroll, M. W. (2009), Licensing and Contracting issues in Databases. In Encylopedia of Database System, Springer.