Apatosaurus
E273051
Apatosaurus is a large, long-necked sauropod dinosaur from the Late Jurassic of North America, known for its massive body, long tail, and historically confused taxonomy with Brontosaurus.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Apatosaurus canonical | 11 |
| Brontosaurus | 3 |
| Apatosaurus ajax | 2 |
| Apatosaurus louisae | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2509907 — 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: Apatosaurus Context triple: [Morrison Formation, containsFossilTaxon, Apatosaurus]
-
A.
Brachiosaurus
Brachiosaurus is a large, long-necked sauropod dinosaur famous for its towering height and iconic appearances in popular culture.
-
B.
Máximo the Titanosaur
Máximo the Titanosaur is a mounted cast of a giant Patagotitan mayorum dinosaur, notable as one of the largest dinosaur displays in the world and a centerpiece attraction at Chicago’s Field Museum.
-
C.
Triceratops
Triceratops is a large, herbivorous, three-horned dinosaur from the Late Cretaceous period, recognizable by its massive bony frill and distinctive facial horns.
-
D.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
E.
Juramaia
Juramaia is an early mammal from the Late Jurassic period that represents one of the oldest known members of the eutherian (placental mammal) lineage.
- 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: Apatosaurus Target entity description: Apatosaurus is a large, long-necked sauropod dinosaur from the Late Jurassic of North America, known for its massive body, long tail, and historically confused taxonomy with Brontosaurus.
-
A.
Brachiosaurus
Brachiosaurus is a large, long-necked sauropod dinosaur famous for its towering height and iconic appearances in popular culture.
-
B.
Máximo the Titanosaur
Máximo the Titanosaur is a mounted cast of a giant Patagotitan mayorum dinosaur, notable as one of the largest dinosaur displays in the world and a centerpiece attraction at Chicago’s Field Museum.
-
C.
Triceratops
Triceratops is a large, herbivorous, three-horned dinosaur from the Late Cretaceous period, recognizable by its massive bony frill and distinctive facial horns.
-
D.
Dilophosaurus
Dilophosaurus is a crested theropod dinosaur from the Early Jurassic period, popularly depicted in the Jurassic Park franchise.
-
E.
Juramaia
Juramaia is an early mammal from the Late Jurassic period that represents one of the oldest known members of the eutherian (placental mammal) lineage.
- F. None of above. chosen
Statements (47)
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: Apatosaurus Description of subject: Apatosaurus is a large, long-necked sauropod dinosaur from the Late Jurassic of North America, known for its massive body, long tail, and historically confused taxonomy with Brontosaurus.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Apatosaurus louisae
this entity surface form:
Apatosaurus ajax
this entity surface form:
Brontosaurus
this entity surface form:
Apatosaurus ajax
this entity surface form:
Apatosaurus louisae
this entity surface form:
Brontosaurus
this entity surface form:
Brontosaurus