Annex D (Real-Time Systems)
E284615
Annex D (Real-Time Systems) is a specialized section of the Ada language standard that defines features and semantics for building deterministic, high-integrity real-time applications.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Annex D (Real-Time Systems) canonical | 2 |
| Real-Time Systems Annex | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2629509 — 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: Annex D (Real-Time Systems) Context triple: [GNAT, supportsStandard, Annex D (Real-Time Systems)]
-
A.
Temporal Verification of Reactive Systems
"Temporal Verification of Reactive Systems" is a foundational book in formal methods that presents rigorous techniques for specifying and verifying the correctness of reactive and concurrent systems using temporal logic.
-
B.
Real-time Transport Control Protocol
Real-time Transport Control Protocol (RTCP) is a companion protocol to RTP that provides out-of-band control, quality-of-service feedback, and synchronization for real-time audio and video streams over IP networks.
-
C.
LynxOS
LynxOS is a real-time, POSIX-compliant operating system designed for embedded and mission-critical applications, particularly in aerospace, defense, and industrial systems.
-
D.
Operating Systems: Design and Implementation
Operating Systems: Design and Implementation is a foundational textbook by Andrew S. Tanenbaum that presents the principles of operating system design alongside a detailed case study of the MINIX operating system.
-
E.
"Time, Clocks, and the Ordering of Events in a Distributed System"
"Time, Clocks, and the Ordering of Events in a Distributed System" is a seminal 1978 paper that introduced logical clocks and the happened-before relation, fundamentally shaping the theory and practice of distributed computing.
- 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: Annex D (Real-Time Systems) Target entity description: Annex D (Real-Time Systems) is a specialized section of the Ada language standard that defines features and semantics for building deterministic, high-integrity real-time applications.
-
A.
Temporal Verification of Reactive Systems
"Temporal Verification of Reactive Systems" is a foundational book in formal methods that presents rigorous techniques for specifying and verifying the correctness of reactive and concurrent systems using temporal logic.
-
B.
Real-time Transport Control Protocol
Real-time Transport Control Protocol (RTCP) is a companion protocol to RTP that provides out-of-band control, quality-of-service feedback, and synchronization for real-time audio and video streams over IP networks.
-
C.
LynxOS
LynxOS is a real-time, POSIX-compliant operating system designed for embedded and mission-critical applications, particularly in aerospace, defense, and industrial systems.
-
D.
Operating Systems: Design and Implementation
Operating Systems: Design and Implementation is a foundational textbook by Andrew S. Tanenbaum that presents the principles of operating system design alongside a detailed case study of the MINIX operating system.
-
E.
"Time, Clocks, and the Ordering of Events in a Distributed System"
"Time, Clocks, and the Ordering of Events in a Distributed System" is a seminal 1978 paper that introduced logical clocks and the happened-before relation, fundamentally shaping the theory and practice of distributed computing.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Ada language annex
ⓘ
language standard annex ⓘ |
| appliesTo |
hard real-time systems
ⓘ
high-integrity systems ⓘ soft real-time systems ⓘ |
| belongsTo |
Ada (programming language)
ⓘ
surface form:
Ada 2005 standard
Ada (programming language) ⓘ
surface form:
Ada 2012 standard
Ada programming language standard ⓘ
surface form:
Ada 2022 standard
Ada programming language standard ⓘ
surface form:
Ada 95 standard
|
| category | real-time programming standard feature set ⓘ |
| constrains | tasking features of core Ada language ⓘ |
| defines |
features for real-time programming in Ada
ⓘ
semantics for deterministic real-time behavior ⓘ semantics for high-integrity real-time applications ⓘ |
| extends | core Ada tasking model ⓘ |
| focusesOn |
delay and timing control
ⓘ
execution-time clocks and timers ⓘ interrupt handling aspects ⓘ priority ceiling locking ⓘ priority inheritance mechanisms ⓘ protected objects for synchronization ⓘ real-time clocks and timing events ⓘ real-time scheduling analysis support ⓘ scheduling policies ⓘ synchronous task control ⓘ task dispatching ⓘ task priorities ⓘ |
| goal |
enable analyzable real-time behavior
ⓘ
support high-integrity certification ⓘ support schedulability analysis ⓘ |
| hasFullName |
Annex D (Real-Time Systems)
self-linksurface differs
ⓘ
surface form:
Real-Time Systems Annex
|
| language | Ada ⓘ |
| partOf | Ada programming language standard ⓘ |
| relatedTo |
Annex C (Systems Programming)
ⓘ
Annex H (High Integrity Systems) ⓘ |
| standardizedIn | ISO/IEC 8652 ⓘ |
| supports |
bounded blocking times
ⓘ
deterministic execution behavior ⓘ fixed-priority scheduling ⓘ predictable task scheduling ⓘ preemptive scheduling ⓘ priority-based dispatching ⓘ |
| usedFor |
avionics software
ⓘ
defense and aerospace real-time software ⓘ high-integrity embedded systems ⓘ industrial control systems ⓘ safety-critical real-time applications ⓘ |
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: Annex D (Real-Time Systems) Description of subject: Annex D (Real-Time Systems) is a specialized section of the Ada language standard that defines features and semantics for building deterministic, high-integrity real-time applications.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
GNAT
this entity surface form:
Real-Time Systems Annex