Cayman Trough
E76266
The Cayman Trough is a deep undersea trench and tectonic plate boundary in the western Caribbean, known as the deepest point in the Caribbean Sea.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Cayman Trough canonical | 11 |
| Caribbean Sea floor | 1 |
| Caribbean Sea seafloor | 1 |
| Cayman Ridge and Nicaraguan Rise | 1 |
| Cayman Trench wall dive sites | 1 |
| Cayman spreading center | 1 |
| Mid-Cayman Rise | 1 |
| Mid-Cayman Spreading Center | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T608695 — 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: Cayman Trough Context triple: [Caribbean Sea, hasPart, Cayman Trough]
-
A.
Sigsbee Deep
Sigsbee Deep is the deepest part of the Gulf of Mexico, known as an abyssal plain reaching depths of over 3,700 meters (about 12,100 feet).
-
B.
Puerto Rico Trench
The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
-
C.
Romanche Trench
The Romanche Trench is a deep submarine trench in the equatorial Atlantic Ocean formed by the Romanche Fracture Zone, marking one of the major offsets of the Mid-Atlantic Ridge.
-
D.
Caribbean Reef
Caribbean Reef is a large, circular saltwater exhibit at Chicago’s Shedd Aquarium that recreates a vibrant Caribbean coral reef ecosystem with diverse tropical marine life.
-
E.
Hellenic Trench
The Hellenic Trench is a deep submarine trench in the eastern Mediterranean, formed by the subduction of the African Plate beneath the Aegean microplate and known for hosting some of the region’s greatest ocean depths and seismic activity.
- 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: Cayman Trough Target entity description: The Cayman Trough is a deep undersea trench and tectonic plate boundary in the western Caribbean, known as the deepest point in the Caribbean Sea.
-
A.
Sigsbee Deep
Sigsbee Deep is the deepest part of the Gulf of Mexico, known as an abyssal plain reaching depths of over 3,700 meters (about 12,100 feet).
-
B.
Puerto Rico Trench
The Puerto Rico Trench is a deep oceanic trench in the western Atlantic, marking the boundary between the Caribbean and North American tectonic plates and containing the region’s greatest ocean depths.
-
C.
Romanche Trench
The Romanche Trench is a deep submarine trench in the equatorial Atlantic Ocean formed by the Romanche Fracture Zone, marking one of the major offsets of the Mid-Atlantic Ridge.
-
D.
Caribbean Reef
Caribbean Reef is a large, circular saltwater exhibit at Chicago’s Shedd Aquarium that recreates a vibrant Caribbean coral reef ecosystem with diverse tropical marine life.
-
E.
Hellenic Trench
The Hellenic Trench is a deep submarine trench in the eastern Mediterranean, formed by the subduction of the African Plate beneath the Aegean microplate and known for hosting some of the region’s greatest ocean depths and seismic activity.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
back-arc basin
ⓘ
oceanic trench ⓘ tectonic plate boundary ⓘ |
| contains |
Cayman Trough
self-linksurface differs
ⓘ
surface form:
Cayman spreading center
Cayman Trough self-linksurface differs ⓘ
surface form:
Mid-Cayman Rise
|
| countryOffshoreFrom |
Belize
ⓘ
Cayman Islands ⓘ Cuba ⓘ Honduras ⓘ Jamaica ⓘ Mexico ⓘ |
| deepestPointOf |
Caribbean
ⓘ
surface form:
Caribbean Basin
Caribbean Sea ⓘ |
| extendsFrom |
Cuban archipelago
ⓘ
surface form:
Cuba region
|
| extendsTo |
Cayman Islands
ⓘ
surface form:
Cayman Islands region
Honduras region ⓘ |
| geologicalAge | Cenozoic ⓘ |
| geologicalProcess |
sea-floor spreading
ⓘ
strike-slip faulting ⓘ |
| hasBathymetricFeature |
narrow axial valley
ⓘ
steep trench walls ⓘ |
| hasFeature |
spreading ridge
ⓘ
submarine valley ⓘ transform fault system ⓘ |
| hasMinimumDepth | greater than 7000 m ⓘ |
| hasOceanographicRole | controls deep-water circulation in Caribbean Sea ⓘ |
| hasResearchInterest |
deep-sea ecology
ⓘ
hydrothermal vent systems ⓘ plate tectonics ⓘ |
| isPartOf | plate boundary zone between North America and Caribbean ⓘ |
| isTypeOfBoundary |
spreading center boundary
ⓘ
transform boundary ⓘ |
| knownFor |
being one of the deepest points in the Atlantic Ocean
ⓘ
hosting very deep hydrothermal vents ⓘ |
| liesBetween |
Cayman Trough
self-linksurface differs
ⓘ
surface form:
Cayman Ridge and Nicaraguan Rise
|
| locatedIn |
Caribbean Sea
ⓘ
western Caribbean ⓘ |
| maximumDepth |
about 25250 ft
ⓘ
about 7686 m ⓘ |
| namedAfter | Cayman Islands ⓘ |
| ocean | Atlantic Ocean ⓘ |
| partOf |
Caribbean
ⓘ
surface form:
Caribbean Basin
|
| separates |
Cayman Ridge from Nicaraguan Rise
ⓘ
Cuba from Jamaica region ⓘ |
| spreadingRate | slow-spreading ⓘ |
| tectonicSetting | boundary between North American Plate and Caribbean Plate ⓘ |
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: Cayman Trough Description of subject: The Cayman Trough is a deep undersea trench and tectonic plate boundary in the western Caribbean, known as the deepest point in the Caribbean Sea.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cayman Trench wall dive sites
this entity surface form:
Caribbean Sea seafloor
this entity surface form:
Mid-Cayman Rise
this entity surface form:
Cayman spreading center
this entity surface form:
Cayman Ridge and Nicaraguan Rise
this entity surface form:
Caribbean Sea floor
this entity surface form:
Mid-Cayman Spreading Center
subject surface form:
Southern Cuba