The Sundering Seas
E901742
The Sundering Seas is the vast ocean in J.R.R. Tolkien’s Middle-earth legendarium that separates the lands of Aman in the West from Middle-earth in the East.
All labels observed (1)
| Label | Occurrences |
|---|---|
| The Sundering Seas canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11047389 — 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: The Sundering Seas Context triple: [Belegaer, alsoKnownAs, The Sundering Seas]
-
A.
The Eternal Sea
The Eternal Sea is a 1955 American war drama film starring Sterling Hayden as a determined naval officer coping with the loss of his leg during World War II.
-
B.
The Unchanging Sea
The Unchanging Sea is a 1910 silent short drama film directed by D. W. Griffith, notable as an early example of narrative cinema and for starring actress Linda Arvidson.
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C.
Passages of the Deep
Passages of the Deep is an immersive underwater tunnel exhibit that allows visitors to walk through large marine habitats and observe sharks, rays, and other ocean life up close.
-
D.
Tongue of the Ocean
Tongue of the Ocean is a deep, U-shaped submarine trench in the Bahamas known for its steep walls, great depth, and use as a site for underwater acoustic research.
-
E.
Seven Seas
Seven Seas is a traditional maritime term referring to the world’s major seas and oceans collectively.
- 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: The Sundering Seas Target entity description: The Sundering Seas is the vast ocean in J.R.R. Tolkien’s Middle-earth legendarium that separates the lands of Aman in the West from Middle-earth in the East.
-
A.
The Eternal Sea
The Eternal Sea is a 1955 American war drama film starring Sterling Hayden as a determined naval officer coping with the loss of his leg during World War II.
-
B.
The Unchanging Sea
The Unchanging Sea is a 1910 silent short drama film directed by D. W. Griffith, notable as an early example of narrative cinema and for starring actress Linda Arvidson.
-
C.
Passages of the Deep
Passages of the Deep is an immersive underwater tunnel exhibit that allows visitors to walk through large marine habitats and observe sharks, rays, and other ocean life up close.
-
D.
Tongue of the Ocean
Tongue of the Ocean is a deep, U-shaped submarine trench in the Bahamas known for its steep walls, great depth, and use as a site for underwater acoustic research.
-
E.
Seven Seas
Seven Seas is a traditional maritime term referring to the world’s major seas and oceans collectively.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
body of water in Middle-earth
ⓘ
fictional ocean ⓘ location in Arda ⓘ |
| alsoKnownAs |
Belegaer
NERFINISHED
ⓘ
Great Sea NERFINISHED ⓘ |
| associatedWithEvent |
Flight of the Noldor
NERFINISHED
ⓘ
Straight Road to Valinor NERFINISHED ⓘ Voyages of Eärendil NERFINISHED ⓘ Voyages of the Númenóreans NERFINISHED ⓘ |
| borders |
Alqualondë
NERFINISHED
ⓘ
Aman NERFINISHED ⓘ Beleriand NERFINISHED ⓘ Eriador NERFINISHED ⓘ Valinor NERFINISHED ⓘ |
| contains |
Bay of Balar
NERFINISHED
ⓘ
Bay of Belfalas NERFINISHED ⓘ Gulf of Lhûn NERFINISHED ⓘ Isle of Balar NERFINISHED ⓘ Númenor NERFINISHED ⓘ Tol Eressëa NERFINISHED ⓘ |
| creator | J. R. R. Tolkien ⓘ |
| crossedBy |
Elves
NERFINISHED
ⓘ
Men ⓘ Númenóreans NERFINISHED ⓘ the Edain NERFINISHED ⓘ the Eldar NERFINISHED ⓘ the Exiled Noldor NERFINISHED ⓘ |
| extendsFrom | Forodwaith NERFINISHED ⓘ |
| extendsTo | Harad NERFINISHED ⓘ |
| fictionalUniverse | Middle-earth legendarium NERFINISHED ⓘ |
| hasShoreOn |
Aman
NERFINISHED
ⓘ
Beleriand NERFINISHED ⓘ Lindon NERFINISHED ⓘ Middle-earth NERFINISHED ⓘ Númenor NERFINISHED ⓘ |
| languageOfName | Sindarin NERFINISHED ⓘ |
| liesEastOf | Aman NERFINISHED ⓘ |
| liesWestOf | Middle-earth NERFINISHED ⓘ |
| locatedOnWorld | Arda GENERATED ⓘ |
| mentionedIn |
The History of Middle-earth
NERFINISHED
ⓘ
The Lord of the Rings NERFINISHED ⓘ The Silmarillion NERFINISHED ⓘ Unfinished Tales NERFINISHED ⓘ |
| nameMeaning | Great Sea NERFINISHED ⓘ |
| partOf | Arda’s oceans ⓘ |
| roleInLegendarium | barrier between mortal lands and the Undying Lands ⓘ |
| separates |
Aman
NERFINISHED
ⓘ
Middle-earth NERFINISHED ⓘ |
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: The Sundering Seas Description of subject: The Sundering Seas is the vast ocean in J.R.R. Tolkien’s Middle-earth legendarium that separates the lands of Aman in the West from Middle-earth in the East.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.