proof of concept

works that implement a concept, to prove that it is doable.

may not be fast/efficient; may not be with optimization.

• [[https://www.youtube.com/watch?v=v3CeZ9TaAWo&list=PL0sMmOaE_gs3E0OjExoI7vlCAVygj6S4I&index=3

][John Kitchen’s proof of concept on embedding with literature titles]]

Sometime also called a prototype, in the early stage of developing a system