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SWI-Prolog

SWI-Prolog is a free implementation of the programming language Prolog, commonly used for teaching and semantic web applications. It has a rich set of features, libraries for constraint logic programming, multithreading, unit testing, GUI, interfacing to Java, ODBC and others, literate programming, a web server, SGML, RDF, RDFS, developer tools…

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Research this topic

Explore the main themes, entities and connections around SWI-Prolog. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

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Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Available in
English
Developers
Jan Wielemaker, Anjo Anjewierden, etc
License
Simplified BSD, LGPL prior to version 7.3.33
Operating system
Cross-platform
Original author
Jan Wielemaker
Release
1987; 39 years ago (1987)

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Execution model

Extensions for SWI-Prolog

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

SWI-Prolog

Nodes52
Edges51
Triples46
Avg. degree1.96
Density0.038462
Components1

How this topic connects Entity context

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SWI-Prolog

Top relations

related to Constraint logic programming · 13
SWI-Prolog → CHR, Christian Holzbaur's CLP, CLP, Constraint, De Koninck, FD, Finally, Later, QR, SWI-Prolog's INCLP, The Leuven CHR, This, We
related to XPCE · 9
SWI-Prolog → Although XPCE, Emacs, GUI, It, Lisp, PceEmacs, Prolog, The, XPCE
related to Execution model · 6
SWI-Prolog → Instead, Prolog, SWI-Prolog-specific, This, Warren Abstract Machine, ZIP
related to Interfaces · 5
SWI-Prolog → It, Java, Java SDK, JPL, Prolog
Available in · 1
SWI-Prolog → English
Developers · 1
SWI-Prolog → Jan Wielemaker, Anjo Anjewierden, etc
License · 1
SWI-Prolog → Simplified BSD, LGPL prior to version 7.3.33
Operating system · 1
SWI-Prolog → Cross-platform
Original author · 1
SWI-Prolog → Jan Wielemaker
Release · 1
SWI-Prolog → 1987; 39 years ago (1987)

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

prolog programming xpce logic web wielemaker language development constraint 1987 gui java based execution author jan free machine library clp

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SWI-PrologAvailable inEnglish1.00infobox
SWI-PrologDevelopersJan Wielemaker, Anjo Anjewierden, etc1.00infobox
SWI-PrologLicenseSimplified BSD, LGPL prior to version 7.3.331.00infobox
SWI-PrologOperating systemCross-platform1.00infobox
SWI-PrologOriginal authorJan Wielemaker1.00infobox
SWI-PrologRelease1987; 39 years ago (1987)1.00infobox
SWI-PrologRepositorygithub.com/SWI-Prolog1.00infobox
SWI-PrologStable release10.0.0 / 3 December 2025; 8 months ago (3 December 2025)1.00infobox
SWI-PrologTypeLogic programming1.00infobox
SWI-PrologWebsitewww.swi-prolog.org1.00infobox
SWI-PrologWritten inC, Prolog1.00infobox
SWI-Prologis afree implementation of the programming language Prolog0.90text

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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