In 1983, David H. D. Warren designed an abstract machine for the execution of Prolog consisting of a memory architecture and an instruction set. [1] [2] [3] This design became known as the Warren Abstract Machine (WAM) and has become the …

Abstract may refer to: . Abstract, 1962 album by Joe Harriott; Abstract of title' a summary of the documents affecting title to parcel of land; Abstract (law), a summary of a legal document Abstract (summary), in academic publishing Abstract art, artistic works that do not attempt to represent reality or concrete subjects; Abstract: The Art of Design, 2017 Netflix documentary …