Datalog is a subset of the Prolog programming language that is used as a query language in deductive databases [wiki]. Jatalog is a Datalog implementation in Java. It provides a parser for the ...

Jatalog: Java Datalog Engine with Semi-Naive Evaluation and Stratified Negation Datalog is a subset of the Prolog programming language that is used as a query language in deductive databases [wiki].