Philipp Körner, Michael Beuschel, João Barbosa, Vítor Santos Costa, Verónica Dahl, Manuel V. Hermenegildo, Jose F. Morales, Jan Wielemaker, Daniel Diaz, Salvador Abreu, Giovanni Ciatto

Theory and Practice of Logic Programming, pages 1–83,  2022
Cambridge University Press

Both logic programming in general and Prolog in particular have a long and fascinating history, intermingled with that of many disciplines they inherited from or catalyzed. A large body of research has been gathered over the last 50 years, supported by many Prolog implementations. Many implementations are still actively developed, while new ones keep appearing. Often, the features added by different systems were motivated by the interdisciplinary needs of programmers and implementors, yielding systems that, while sharing the “classic” core language, in particular, the main aspects of the ISO-Prolog standard, also depart from each other in other aspects. This obviously poses challenges for code portability. The field has also inspired many related, but quite different languages that have created their own communities. This article aims at integrating and applying the main lessons learned in the process of evolution of Prolog. It is structured into three major parts. First, we overview the evolution of Prolog systems and the community approximately up to the ISO standard, considering both the main historic developments and the motivations behind several Prolog implementations, as well as other logic programming languages influenced by Prolog. Then, we discuss the Prolog implementations that are most active after the appearance of the standard: their visions, goals, commonalities, and incompatibilities. Finally, we perform a SWOT analysis in order to better identify the potential of Prolog and propose future directions along with which Prolog might continue to add useful features, interfaces, libraries, and tools, while at the same time improving compatibility between implementations.

(keywords) Prolog, logic programming systems, portability, rationale, evolution, vision
 @article{Korner2022FiftyYearsOfPrologTPLP,
keywords = {Prolog, logic programming systems, portability, rationale, evolution, vision},
year = 2021,
pages = {1–83},
author = {Körner, Philipp and Beuschel, Michael and Barbosa, João and Costa, Vítor Santos and Dahl, Verónica and Hermenegildo, Manuel V. and Morales, Jose F. and Wielemaker, Jan and Diaz, Daniel and Abreu, Salvador and Ciatto, Giovanni},
venue_j = {Journals.Tplp},
publisher = {Cambridge University Press},
doi = {10.1017/S1471068422000102},
status = {Published},
pdf-local = {history-and-future-of-prolog-0.680.0-2022-02-27T212311.pdf},
url-openaccess = {https://www.cambridge.org/core/services/aop-cambridge-core/content/view/3A5329B6E3639879301A6D44346FD1DD/S1471068422000102a.pdf/fifty-years-of-prolog-and-beyond.pdf},
title = {Fifty Years of Prolog and Beyond},
journal = {Theory and Practice of Logic Programming},
abstract = {Both logic programming in general and Prolog in particular have a long and fascinating history, intermingled with that of many disciplines they inherited from or catalyzed. A large body of research has been gathered over the last 50 years, supported by many Prolog implementations. Many implementations are still actively developed, while new ones keep appearing. Often, the features added by different systems were motivated by the interdisciplinary needs of programmers and implementors, yielding systems that, while sharing the “classic” core language, in particular, the main aspects of the ISO-Prolog standard, also depart from each other in other aspects. This obviously poses challenges for code portability. The field has also inspired many related, but quite different languages that have created their own communities. This article aims at integrating and applying the main lessons learned in the process of evolution of Prolog. It is structured into three major parts. First, we overview the evolution of Prolog systems and the community approximately up to the ISO standard, considering both the main historic developments and the motivations behind several Prolog implementations, as well as other logic programming languages influenced by Prolog. Then, we discuss the Prolog implementations that are most active after the appearance of the standard: their visions, goals, commonalities, and incompatibilities. Finally, we perform a SWOT analysis in order to better identify the potential of Prolog and propose future directions along with which Prolog might continue to add useful features, interfaces, libraries, and tools, while at the same time improving compatibility between implementations.},
url = {https://www.cambridge.org/core/journals/theory-and-practice-of-logic-programming/article/fifty-years-of-prolog-and-beyond/3A5329B6E3639879301A6D44346FD1DD}

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Philipp Körner, Michael Beuschel, João Barbosa, Vítor Santos Costa, Verónica Dahl, Manuel V. Hermenegildo, Jose F. Morales, Jan Wielemaker, Daniel Diaz, Salvador Abreu, Giovanni Ciatto

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published

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Theory and Practice of Logic Programming

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1–83

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2022

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10.1017/S1471068422000102

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Korner2022FiftyYearsOfPrologTPLP
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