Fifth-generation programming language: Difference between revisions

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A '''fifth generation programming language''' (abbreviated as '''5GL''') is a [[programming language]] based on solving using constraints given to the program, rather than using an [[algorithm]] written by a programmer. Most [[constraint programming|constraint-based]] and [[logic programming]] languages and some [[declarative language]]s are fifth-generation languages.

While [[fourth-generation programming language]]s are designed to build specific programs, fifth-generation languages are designed to make the computer solve a given problem without the programmer. This way, the programmeruser only needs to worry about what problems need to be solved and what conditions need to be met, without worrying about how to implement a routine or algorithm to solve them. Fifth-generation languages are used mainly in [[artificial intelligence]] research. [[Prolog]], [[OPS5]], and [[Mercury programming language|Mercury]] are examples of fifth-generation languages.<ref name="bala">E. Balagurusamy, ''Fundamentals of Computers'', Mcgraw Hill Education (India), 2009, ISBN 978-0070141605, p. 340</ref>

These types of languages were also built upon [[Lisp_(programming_language)|Lisp]], many originating on the [[Lisp machine]], such as [[ICAD (software)|ICAD]]. Then, there are many [[frame language]]s, such as [[KL-ONE]]. {{Citation needed|date=September 2010}}