ANSI X3.159-1989
E255505
ANSI X3.159-1989 is the original American national standard that formally defined the C programming language.
All labels observed (2)
| Label | Occurrences |
|---|---|
| ANSI X3.159-1989 canonical | 2 |
| ANSI X3.159-1989 C standard | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2313464 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ANSI X3.159-1989 Context triple: [ISO/IEC 9899, basedOn, ANSI X3.159-1989]
-
A.
INCITS T13
INCITS T13 is a technical committee within the InterNational Committee for Information Technology Standards focused on developing standards for mass storage interfaces and related technologies.
-
B.
ISO 10589
ISO 10589 is the international standard that defines the Intermediate System to Intermediate System (IS-IS) routing protocol used for exchanging routing information within an autonomous system.
-
C.
ISO 7775
ISO 7775 is an older international standard that defined message formats for securities transactions and related financial communications, later superseded by ISO 15022.
-
D.
ISO/IEC 10179
ISO/IEC 10179 is an international standard that defines the Document Style Semantics and Specification Language (DSSSL) for specifying stylesheets and transformations for SGML documents.
-
E.
ISO/IEC 8652
ISO/IEC 8652 is the international standard that formally defines the Ada programming language, including its syntax, semantics, and core features.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ANSI X3.159-1989 Target entity description: ANSI X3.159-1989 is the original American national standard that formally defined the C programming language.
-
A.
INCITS T13
INCITS T13 is a technical committee within the InterNational Committee for Information Technology Standards focused on developing standards for mass storage interfaces and related technologies.
-
B.
ISO 10589
ISO 10589 is the international standard that defines the Intermediate System to Intermediate System (IS-IS) routing protocol used for exchanging routing information within an autonomous system.
-
C.
ISO 7775
ISO 7775 is an older international standard that defined message formats for securities transactions and related financial communications, later superseded by ISO 15022.
-
D.
ISO/IEC 10179
ISO/IEC 10179 is an international standard that defines the Document Style Semantics and Specification Language (DSSSL) for specifying stylesheets and transformations for SGML documents.
-
E.
ISO/IEC 8652
ISO/IEC 8652 is the international standard that formally defines the Ada programming language, including its syntax, semantics, and core features.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
American National Standard
ⓘ
C programming language standard ⓘ programming language standard ⓘ |
| alsoKnownAs |
ANSI C
ⓘ
linked to:
C
C89 ⓘ
linked to:
C
C90 ⓘ |
| basedOn |
K&R C
ⓘ
linked to:
The C Programming Language
|
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| defines |
C data types
ⓘ
C declarators ⓘ C environment and process control functions ⓘ C implementation-defined behavior ⓘ C language library functions ⓘ C library assert macro ⓘ C library character classification functions ⓘ C library error handling via errno ⓘ C library file positioning functions ⓘ C library floating-point environment macros ⓘ C library formatted input/output ⓘ C library headers ⓘ C library locale functions ⓘ C library memory management functions ⓘ C library multibyte and wide character functions ⓘ C library pseudo-random number generation ⓘ C library setjmp and longjmp ⓘ C library variable arguments handling ⓘ C locale and character set requirements ⓘ C mathematical library ⓘ C operators ⓘ C preprocessor behavior ⓘ C scope and linkage rules ⓘ C signal handling library ⓘ C standard I/O library ⓘ C string handling library ⓘ C time handling library ⓘ C translation phases ⓘ C undefined behavior ⓘ semantics of the C programming language ⓘ syntax of the C programming language ⓘ |
| followedBy |
C11
ⓘ
C17 ⓘ C23 ⓘ C99 ⓘ
linked to:
ISO/IEC 9899
ISO/IEC 9899:1990 ⓘ
linked to:
ISO/IEC 9899
|
| goal |
to formalize the C programming language
ⓘ
to improve portability of C programs ⓘ to resolve ambiguities in earlier C descriptions ⓘ |
| influenced |
C compiler implementations
ⓘ
C programming textbooks ⓘ subsequent C language standards ⓘ |
| publishedBy |
ANSI X3 committee
ⓘ
linked to:
Accredited Standards Committee X3
American National Standards Institute ⓘ |
| scope |
freestanding C implementations
ⓘ
hosted C implementations ⓘ |
| standardizes | C programming language ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ANSI X3.159-1989 Description of subject: ANSI X3.159-1989 is the original American national standard that formally defined the C programming language.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.