Inductive Logic Programming: 8th International Conference, ILP-98, Madison, Wisconsin, USA, July 22-24, 1998, Proceedings
... Y2 ) : - mate ( W1 , W2 , [ ] , [ ] , Y1 , Y2 ) : - mate ( W1 , W2 , P1 , P2 , Y1 , Y2 ) : - split ( [ X , Y Z ] , [ X ] , [ YIZ ] ) . split ( W1 , W2 , Y1 ) . split ( W2 , W1 , Y2 ) . split ( W1 , X , Y1 ) , split ( W1 , P1 , W11 ) ...