Sigsbee Deep
E63329
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).
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sigsbee Abyssal Plain | 1 |
| Sigsbee Deep canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T507652 — 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: Sigsbee Deep Context triple: [Gulf of Mexico, containsFeature, Sigsbee Deep]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Kermadec Trench
The Kermadec Trench is a deep oceanic trench in the South Pacific Ocean, part of the highly active Kermadec-Tonga subduction zone and among the deepest regions on Earth.
-
E.
Ryukyu Trench
The Ryukyu Trench is a deep oceanic trench in the western Pacific, running along the Ryukyu Islands south of Japan where the Philippine Sea Plate subducts beneath the Eurasian Plate.
- 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: Sigsbee Deep Target entity description: 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).
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Kermadec Trench
The Kermadec Trench is a deep oceanic trench in the South Pacific Ocean, part of the highly active Kermadec-Tonga subduction zone and among the deepest regions on Earth.
-
E.
Ryukyu Trench
The Ryukyu Trench is a deep oceanic trench in the western Pacific, running along the Ryukyu Islands south of Japan where the Philippine Sea Plate subducts beneath the Eurasian Plate.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
abyssal plain
ⓘ
deep-sea feature ⓘ |
| approximateDepth |
around 12300 feet
ⓘ
around 3750 meters ⓘ |
| bathymetricFeatureType | deep basin ⓘ |
| countryOffshoreFrom |
Mexico
ⓘ
United States ⓘ
linked to:
United States of America
|
| discoveredBy | U.S. Navy hydrographic surveys ⓘ |
| environment | deep-sea marine environment ⓘ |
| featureOf | Gulf of Mexico seafloor ⓘ |
| geologicalProvince |
Gulf of Mexico basin
ⓘ
linked to:
Gulf of Mexico
|
| geologicalSetting | abyssal plain of the Gulf of Mexico ⓘ |
| hasSedimentType | deep marine sediments ⓘ |
| hasWaterDepthCategory | abyssal zone ⓘ |
| isUnder | international waters of the Gulf of Mexico ⓘ |
| knownFor | being the deepest known point in the Gulf of Mexico ⓘ |
| locatedIn |
Atlantic Ocean basin
ⓘ
linked to:
Atlantic Ocean
Gulf of Mexico ⓘ |
| mapFeatureClass | submarine basin ⓘ |
| maximumDepth |
about 12100 feet
ⓘ
over 3700 meters ⓘ |
| namedAfter | Charles Dwight Sigsbee ⓘ |
| ocean | Atlantic Ocean ⓘ |
| oceanRegion | northwestern Atlantic Ocean ⓘ |
| oceanSubdivision | Gulf of Mexico ⓘ |
| partOf |
Sigsbee Abyssal Plain
ⓘ
linked to:
Sigsbee Deep
|
| relativeDepthRank | deepest part of the Gulf of Mexico ⓘ |
| seafloorMorphology | relatively flat abyssal plain ⓘ |
| surveyedBy | bathymetric sounding ⓘ |
| typicalDepthRange | greater than 3500 meters ⓘ |
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: Sigsbee Deep Description of subject: 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).
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sigsbee Deep