Brownson Deep
E11291
Brownson Deep is the deepest known point in the Atlantic Ocean, located within the Puerto Rico Trench.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Brownson Deep canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T34602 — 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: Brownson Deep Context triple: [Puerto Rico Trench, contains, Brownson Deep]
-
A.
Walkill River
The Walkill River is a north-flowing river in New Jersey and New York that drains part of the Appalachian Valley before joining the Hudson River.
-
B.
Nevada Fall
Nevada Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, known for its powerful drop and dramatic granite surroundings.
-
C.
Vernal Fall
Vernal Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, renowned for its powerful flow and popular hiking access via the Mist Trail.
-
D.
Valley Wells
Valley Wells is a small locality situated within California’s Mojave Desert, known primarily as a remote desert community along major regional travel routes.
-
E.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
- 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: Brownson Deep Target entity description: Brownson Deep is the deepest known point in the Atlantic Ocean, located within the Puerto Rico Trench.
-
A.
Walkill River
The Walkill River is a north-flowing river in New Jersey and New York that drains part of the Appalachian Valley before joining the Hudson River.
-
B.
Nevada Fall
Nevada Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, known for its powerful drop and dramatic granite surroundings.
-
C.
Vernal Fall
Vernal Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, renowned for its powerful flow and popular hiking access via the Mist Trail.
-
D.
Valley Wells
Valley Wells is a small locality situated within California’s Mojave Desert, known primarily as a remote desert community along major regional travel routes.
-
E.
Lake Tear of the Clouds
Lake Tear of the Clouds is a small mountain tarn on the slopes of New York’s Mount Marcy, historically recognized as the highest-elevation source of the Hudson River.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
deepest point
ⓘ
geographical feature ⓘ undersea depression ⓘ |
| comparedTo |
Challenger Deep
ⓘ
Molloy Deep ⓘ |
| countryOffshoreFrom |
Puerto Rico
ⓘ
United States ⓘ
linked to:
United States of America
|
| depthRankWorldwide | among deepest known points in the world ocean ⓘ |
| featureType | oceanic trench deep ⓘ |
| formedBy | subduction of the North American Plate beneath the Caribbean Plate ⓘ |
| hasEnvironment |
aphotic zone
ⓘ
hadal zone ⓘ |
| hasNavigationHazardRelevance | submarine operations ⓘ |
| hasScientificRelevance |
plate tectonics research
ⓘ
seismic risk studies in the Caribbean region ⓘ |
| isDeepestPointOf |
Atlantic Ocean
ⓘ
Puerto Rico Trench ⓘ |
| locatedIn |
Atlantic Ocean
ⓘ
Caribbean Sea region ⓘ
linked to:
Caribbean Sea
Puerto Rico Trench ⓘ |
| maximumDepthFeet | ~28200 ⓘ |
| maximumDepthKilometres | ~8.6 ⓘ |
| maximumDepthMetres | ~8600 ⓘ |
| namedAfter | Brownson ⓘ |
| near | Puerto Rico ⓘ |
| oceanBasin |
North Atlantic Ocean
ⓘ
linked to:
Atlantic Ocean
|
| oceanographicRegion | western North Atlantic ⓘ |
| partOf |
Puerto Rico Trench system
ⓘ
linked to:
Puerto Rico Trench
global network of ocean deeps ⓘ |
| studiedBy | oceanographers ⓘ |
| studiedFor |
deep-sea geology
ⓘ
hadal ecology ⓘ |
| tectonicPlate |
Caribbean Plate
ⓘ
North American Plate ⓘ |
| tectonicSetting | subduction zone ⓘ |
| waterColumn |
near-freezing temperatures
ⓘ
very high hydrostatic pressure ⓘ |
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: Brownson Deep Description of subject: Brownson Deep is the deepest known point in the Atlantic Ocean, located within the Puerto Rico Trench.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.