Definite Clause Grammars (DCGs) have proved valuable to computational linguists since they can be used to specify phrase structured grammars. It is well known how to encode DCGs i...
The logic programming language framework Kernel Andorra Prolog is de ned by a formal computation model. In Kernel Andorra Prolog, general combinations of concurrent reactive langu...
Although Warren's method for the evaluation in Prolog of expressions with higherorder functions appears to have been neglected, it is of great value. Warren's paper need...
Mantis H. M. Cheng, Maarten H. van Emden, B. E. Ri...