Umbriel
E119505
Umbriel is one of Uranus's major icy moons, known for its dark, heavily cratered surface and relatively low reflectivity compared to the planet's other large satellites.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Umbriel canonical | 2 |
| Umbriel (spirit of darkness in Alexander Pope’s “The Rape of the Lock”) | 1 |
| Uranus IV | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T992554 — 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: Umbriel Context triple: [Uranus, largeMoon, Umbriel]
-
A.
Iapetus
Iapetus is a Titan from Greek mythology, often associated with mortality and craftsmanship and known as the father of Prometheus, Epimetheus, Atlas, and Menoetius.
-
B.
Dione
Dione is a figure in Greek mythology often regarded as a Titaness or early goddess associated with oracular power and sometimes identified as the mother of Aphrodite.
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C.
Neptune
Neptune is the eighth and farthest known major planet from the Sun, a cold, blue ice giant characterized by strong winds and a dynamic atmosphere.
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D.
Makemake
Makemake is a large, icy dwarf planet in the Kuiper Belt, known for its extremely cold surface and status as one of the most massive objects beyond Neptune.
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E.
Tethys
Tethys is one of Saturn’s mid-sized icy moons, known for its bright, heavily cratered surface and massive Odysseus impact basin.
- 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: Umbriel Target entity description: Umbriel is one of Uranus's major icy moons, known for its dark, heavily cratered surface and relatively low reflectivity compared to the planet's other large satellites.
-
A.
Iapetus
Iapetus is a Titan from Greek mythology, often associated with mortality and craftsmanship and known as the father of Prometheus, Epimetheus, Atlas, and Menoetius.
-
B.
Dione
Dione is a figure in Greek mythology often regarded as a Titaness or early goddess associated with oracular power and sometimes identified as the mother of Aphrodite.
-
C.
Neptune
Neptune is the eighth and farthest known major planet from the Sun, a cold, blue ice giant characterized by strong winds and a dynamic atmosphere.
-
D.
Makemake
Makemake is a large, icy dwarf planet in the Kuiper Belt, known for its extremely cold surface and status as one of the most massive objects beyond Neptune.
-
E.
Tethys
Tethys is one of Saturn’s mid-sized icy moons, known for its bright, heavily cratered surface and massive Odysseus impact basin.
- F. None of above. chosen
Statements (53)
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: Umbriel Description of subject: Umbriel is one of Uranus's major icy moons, known for its dark, heavily cratered surface and relatively low reflectivity compared to the planet's other large satellites.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Uranus IV
this entity surface form:
Umbriel (spirit of darkness in Alexander Pope’s “The Rape of the Lock”)