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SWI-Prolog: Measurement & Products

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…

Language: English [EN]
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SWI-Prolog topic overview

The analysis highlights Measurement and Products as prominent areas in the source structure around SWI-Prolog.

Related topics
48
Source areas
3
Connected nodes
51
Extracted relationships
46
Concept neighborhoods
30
Bridge connections
51

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 25 topics
Extensions for SWI-Prolog · 18 topics
Execution model · 5 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

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)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. 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.

How SWI-Prolog connects Entity context

The extracted context around SWI-Prolog shows recurring relationship patterns in the source. For example, SWI-Prolog → CHR, Christian Holzbaur's CLP, CLP, Constraint, De Koninck, FD, Finally, Later, QR, SWI-Prolog's INCLP, The Leuven CHR, This, We Another extracted example is SWI-Prolog → Although XPCE, Emacs, GUI, It, Lisp, PceEmacs, Prolog, The, XPCE. Use these groups to spot repeated connection types before inspecting the individual relationships.

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

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

SWI-Prolog relationships Subject–Predicate–Object triples

TTTA extracted 46 structured relationships around SWI-Prolog. Examples in this analysis include SWI-Prolog → Available in → English and SWI-Prolog → Developers → Jan Wielemaker, Anjo Anjewierden, etc. The table shows each extracted connection, where it came from and its confidence.

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

The concept neighborhoods around SWI-Prolog bring nearby vocabulary together. In this analysis, examples include Xpce, Development and Based. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • SWI-Prolog
    • Xpce
    • Development
    • Based
    • Web
    • Available
    • Platforms
    • System
    • Constraint
    • Logic
    • Wielemaker
    • Model
    • Unix
  • swi-prolog
    • Xpce
    • Development
    • Based
    • Web
    • Available
    • Platforms
    • System
    • Constraint
    • Logic
    • Wielemaker
    • Model
    • Unix
  • programming language
    • Constraint
    • Logic
    • Machine
    • Web
    • Prolog
    • Debugger
    • Ide
    • Libraries
    • Model
    • Multithreading
    • Odbc
    • Profiler
  • constraint logic programming
    • Logic
    • Constraint
    • Programming
    • Debugger
    • Ide
    • Libraries
    • Model
    • Multithreading
    • Odbc
    • Profiler
    • Rdf
    • Rdfs
  • literate programming
    • Constraint
    • Logic
    • Web
    • Debugger
    • Ide
    • Libraries
    • Model
    • Multithreading
    • Odbc
    • Profiler
    • Rdf
    • Rdfs
  • extensions for swi-prolog
    • Model
    • Jan
    • Predicate
    • System
    • Used
    • Version
    • Website
    • Logic
    • Machine
    • Wielemaker
    • Xpce
    • Programming
  • semantic web
    • Programming
    • Debugger
    • Ide
    • Libraries
    • Multithreading
    • Odbc
    • Profiler
    • Rdf
    • Rdfs
    • Sgml
    • Free
    • System
  • web server
    • Programming
    • Debugger
    • Ide
    • Libraries
    • Multithreading
    • Odbc
    • Profiler
    • Rdf
    • Rdfs
    • Sgml
    • Free
    • System

Connections between topic areas Semantic bridges

For SWI-Prolog, one of the stronger structural bridges in this analysis connects SWI-Prolog with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
SWI-Prolog — Overview · splits 26 ⟂ 26
SWI-Prolog — Extensions for SWI-Prolog · splits 33 ⟂ 19
SWI-Prolog — Execution model · splits 46 ⟂ 6

Map overview Semantic statistics

SWI-Prolog

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

Source & methodology

TTTA analyzes the structure around SWI-Prolog to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement & Products, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — SWI-Prolog · EN edition · Analysis: TopicsToTalkAbout

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