Dead Marshes
E901128
The Dead Marshes are a bleak, haunted wetland in J.R.R. Tolkien’s Middle-earth, infamous for their ghostly lights and the dead faces visible beneath their dark waters.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dead Marshes canonical | 7 |
| the Dead Marshes | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11047610 — 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: Dead Marshes Context triple: [Anduin, nearRegion, Dead Marshes]
-
A.
Stillwater Marsh
Stillwater Marsh is a wetland area within Nevada’s Stillwater National Wildlife Refuge that provides critical habitat for migratory birds and other wildlife.
-
B.
Drowned Meadow
Drowned Meadow was the original name of the Long Island village now known as Port Jefferson, a historic harbor community in New York.
-
C.
The Swamp
The Swamp is the famed home stadium of the University of Florida Gators football team, renowned for its intense atmosphere and significant home-field advantage.
-
D.
Blackwater
Blackwater is a small coastal village in County Wexford, Ireland, known for its proximity to sandy beaches and its rural community character.
-
E.
Blackwater
"Blackwater" is a critically acclaimed Swedish crime novel by Kerstin Ekman that blends psychological suspense with social commentary in a remote northern village setting.
- 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: Dead Marshes Target entity description: The Dead Marshes are a bleak, haunted wetland in J.R.R. Tolkien’s Middle-earth, infamous for their ghostly lights and the dead faces visible beneath their dark waters.
-
A.
Stillwater Marsh
Stillwater Marsh is a wetland area within Nevada’s Stillwater National Wildlife Refuge that provides critical habitat for migratory birds and other wildlife.
-
B.
Drowned Meadow
Drowned Meadow was the original name of the Long Island village now known as Port Jefferson, a historic harbor community in New York.
-
C.
The Swamp
The Swamp is the famed home stadium of the University of Florida Gators football team, renowned for its intense atmosphere and significant home-field advantage.
-
D.
Blackwater
"Blackwater" is a critically acclaimed Swedish crime novel by Kerstin Ekman that blends psychological suspense with social commentary in a remote northern village setting.
-
E.
Blackwater
Blackwater is a small coastal village in County Wexford, Ireland, known for its proximity to sandy beaches and its rural community character.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
fictional location
ⓘ
marsh ⓘ wetland ⓘ |
| adaptedIn | The Lord of the Rings film trilogy ⓘ |
| appearsIn |
The Lord of the Rings
ⓘ
The Two Towers ⓘ
linked to:
The Lord of the Rings: The Two Towers
|
| associatedWithRace |
Elves
ⓘ
Men ⓘ Orcs ⓘ |
| contains |
bodies of Elves
ⓘ
bodies of Men ⓘ bodies of Orcs ⓘ |
| creator | J. R. R. Tolkien ⓘ |
| formedFrom | Battle of Dagorlad ⓘ |
| genreContext | high fantasy ⓘ |
| guideThrough | Gollum ⓘ |
| hasCharacteristic |
bleak
ⓘ
dangerous ⓘ haunted ⓘ swampy ⓘ |
| hasFeature |
corpses under water
ⓘ
faces of the dead ⓘ ghostly lights ⓘ stagnant pools ⓘ treacherous bogs ⓘ |
| hasMedium | literature ⓘ |
| knownFor |
association with ancient battlefields
ⓘ
dead faces visible beneath the water ⓘ will-o-wisp-like lights ⓘ |
| languageOfName | Westron ⓘ |
| locatedInFictionalUniverse | Middle-earth ⓘ |
| locatedInRegion | Rhovanion ⓘ |
| locatedNear |
Dagorlad
ⓘ
Emyn Muil ⓘ Mordor ⓘ |
| mentionedIn |
The Fellowship of the Ring (appendices)
ⓘ
linked to:
The Lord of the Rings appendices
The Two Towers (Book IV) ⓘ |
| partOf | the lands bordering Mordor ⓘ |
| sceneTypeInAdaptations | horror-like landscape ⓘ |
| symbolizes |
corruption and decay
ⓘ
lingering memory of war ⓘ |
| threatens |
travelers with drowning
ⓘ
travelers with enchantment by lights ⓘ |
| timePeriodFormed | Second Age ⓘ |
| travelRouteOnQuest | journey to Mordor ⓘ |
| traversedBy |
Frodo Baggins
ⓘ
Gollum ⓘ Samwise Gamgee ⓘ |
| warning | do not follow the lights ⓘ |
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: Dead Marshes Description of subject: The Dead Marshes are a bleak, haunted wetland in J.R.R. Tolkien’s Middle-earth, infamous for their ghostly lights and the dead faces visible beneath their dark waters.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dead Marshes