Sdf (scene description foundation)
E853480
Sdf (Scene Description Foundation) is a core library in Pixar’s Universal Scene Description (USD) framework that provides the fundamental data structures and APIs for representing, composing, and querying scene graph data.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sdf (scene description foundation) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10241186 — 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: Sdf (scene description foundation) Context triple: [USD, component, Sdf (scene description foundation)]
-
A.
SDF
SDF is the IATA airport code for Louisville Muhammad Ali International Airport, a major air cargo and passenger hub serving Louisville, Kentucky.
-
B.
SDF
The SDF (Syrian Democratic Forces) is a multi-ethnic, Kurdish-led military alliance in Syria that has been a primary ground force against ISIS and a key armed wing of the Autonomous Administration of North and East Syria.
-
C.
SDF
SDF is the acronym for the SAARC Development Fund, a regional financial institution that supports social, economic, and infrastructure development projects among South Asian Association for Regional Cooperation member countries.
-
D.
Universal Scene Description
Universal Scene Description (USD) is an open-source 3D scene description and interchange framework developed by Pixar, widely used for creating, composing, and collaborating on complex digital scenes across different tools and pipelines.
-
E.
OpenUSD
OpenUSD is an open-source framework and file format developed by Pixar for creating, composing, and exchanging complex 3D scenes across diverse digital content creation tools and pipelines.
- 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: Sdf (scene description foundation) Target entity description: Sdf (Scene Description Foundation) is a core library in Pixar’s Universal Scene Description (USD) framework that provides the fundamental data structures and APIs for representing, composing, and querying scene graph data.
-
A.
SDF
SDF is the IATA airport code for Louisville Muhammad Ali International Airport, a major air cargo and passenger hub serving Louisville, Kentucky.
-
B.
SDF
The SDF (Syrian Democratic Forces) is a multi-ethnic, Kurdish-led military alliance in Syria that has been a primary ground force against ISIS and a key armed wing of the Autonomous Administration of North and East Syria.
-
C.
SDF
SDF is the acronym for the SAARC Development Fund, a regional financial institution that supports social, economic, and infrastructure development projects among South Asian Association for Regional Cooperation member countries.
-
D.
Universal Scene Description
Universal Scene Description (USD) is an open-source 3D scene description and interchange framework developed by Pixar, widely used for creating, composing, and collaborating on complex digital scenes across different tools and pipelines.
-
E.
OpenUSD
OpenUSD is an open-source framework and file format developed by Pixar for creating, composing, and exchanging complex 3D scenes across diverse digital content creation tools and pipelines.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
USD component
ⓘ
core library ⓘ software library ⓘ |
| defines |
SdfAttributeSpec
NERFINISHED
ⓘ
SdfLayer NERFINISHED ⓘ SdfPath ⓘ SdfPayload ⓘ SdfPrimSpec NERFINISHED ⓘ SdfReference NERFINISHED ⓘ SdfRelationshipSpec NERFINISHED ⓘ SdfValueTypeName ⓘ SdfVariantSetSpec NERFINISHED ⓘ SdfVariantSpec NERFINISHED ⓘ |
| developedBy | Pixar NERFINISHED ⓘ |
| distributedWith | USD SDK NERFINISHED ⓘ |
| domain | scene description ⓘ |
| fullName | Scene Description Foundation NERFINISHED ⓘ |
| language | C++ NERFINISHED ⓘ |
| license | Open source ⓘ |
| partOf |
USD
NERFINISHED
ⓘ
Universal Scene Description NERFINISHED ⓘ |
| provides |
APIs for scene composition
ⓘ
APIs for scene description ⓘ APIs for scene querying ⓘ file format abstraction ⓘ fundamental data structures ⓘ |
| supports |
USD layer metadata
ⓘ
asset path resolution (via higher USD layers) ⓘ attributes ⓘ composition arcs ⓘ default values ⓘ inheritance ⓘ layer-based scene description ⓘ payloads ⓘ prims ⓘ references ⓘ relationships ⓘ scene graph representation ⓘ specializes ⓘ time-sampled data ⓘ variants ⓘ |
| usedBy |
Usd
ⓘ
UsdGeom NERFINISHED ⓘ UsdLux ⓘ UsdShade NERFINISHED ⓘ UsdSkel ⓘ |
| usedIn |
3D content creation
ⓘ
computer graphics ⓘ visual effects ⓘ |
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: Sdf (scene description foundation) Description of subject: Sdf (Scene Description Foundation) is a core library in Pixar’s Universal Scene Description (USD) framework that provides the fundamental data structures and APIs for representing, composing, and querying scene graph data.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.