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Constraint Handling Rules

declarative, rule-based language
Place constraint_programming_language Q5164373

Facts

4 properties
Instance of
constraint programming language, rule-based language[3]
Inception
1991[4]
Influenced by
Prolog[2]
Programming paradigm
constraint logic programming, declarative programming[5][6]
🏷️ Also known as
en CHR en Constraint Handling Rules de CHR fa سی‌اچ‌آر zh 约束处理规则
🔖 Identifiers · 2
Freebase ID
/m/05t82q
Microsoft Academic ID (discontinued)
2779386614

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🔗 Connections
Instance of 2
constraint programming language, rule-based language
Influenced by 1
Prolog
Programming paradigm 1
declarative programming
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Summary

Constraint Handling Rules is a constraint programming language[1].

Related Entities

constraint programming language Prolog rule-based language

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Constraint Handling Rules. Retrieved November 2, 2026, from https://4ort.xyz/entity/constraint-handling-rules
MLA “Constraint Handling Rules.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/constraint-handling-rules.
BibTeX @misc{4ortxyz_constraint-handling-rules_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Constraint Handling Rules}}, year = {2026}, url = {https://4ort.xyz/entity/constraint-handling-rules}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Constraint Handling Rules — https://4ort.xyz/entity/constraint-handling-rules (retrieved 2026-11-02)

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