Applications of logic/declarative programming include cryparithmetic problems, puzzles (e.g., tic-tac-toe), artificial intelligence, and design automation. In this section, we briefly introduce some other applications of Prolog and CLIPS.
14.11.1 Natural Language Processing
One application of Prolog is natural language processing (Eckroth 2018; Matthews 1998)—the search engine used by Prolog naturally functions as a recursive-descent parser. One could conceive facts as terminals and rules as non-terminals or production rules. Consider the following simple grammar:
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