Mariana Trench
E1185
The Mariana Trench is the deepest known oceanic trench on Earth, located in the western Pacific Ocean near the Mariana Islands.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Mariana Trench canonical | 48 |
| Mariana Trench region | 3 |
| Challenger Deep | 1 |
| Mariana Trench system | 1 |
| Marianas Trench | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T27357 — 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: Mariana Trench Context triple: [Pacific Ocean, containsFeature, Mariana Trench]
-
A.
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.
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B.
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, spanning from the Arctic in the north to the Southern Ocean and from Asia and Australia to the Americas.
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C.
Sea of Japan
The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
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D.
Arctic Ocean
The Arctic Ocean is the smallest and shallowest of Earth's major oceans, located around the North Pole and largely covered by sea ice.
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E.
Badwater Basin
Badwater Basin is a vast salt flat in Death Valley National Park, renowned as one of the hottest and driest places in North America and a popular landmark for its otherworldly landscape.
- 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: Mariana Trench Target entity description: The Mariana Trench is the deepest known oceanic trench on Earth, located in the western Pacific Ocean near the Mariana Islands.
-
A.
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.
-
B.
Pacific Ocean
The Pacific Ocean is the largest and deepest ocean on Earth, spanning from the Arctic in the north to the Southern Ocean and from Asia and Australia to the Americas.
-
C.
Sea of Japan
The Sea of Japan is a marginal sea of the western Pacific Ocean located between the Japanese archipelago, the Korean Peninsula, and Russia, known for its rich fisheries and strategic shipping routes.
-
D.
Arctic Ocean
The Arctic Ocean is the smallest and shallowest of Earth's major oceans, located around the North Pole and largely covered by sea ice.
-
E.
Badwater Basin
Badwater Basin is a vast salt flat in Death Valley National Park, renowned as one of the hottest and driest places in North America and a popular landmark for its otherworldly landscape.
- F. None of above. chosen
Statements (49)
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: Mariana Trench Description of subject: The Mariana Trench is the deepest known oceanic trench on Earth, located in the western Pacific Ocean near the Mariana Islands.
Referenced by (54)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mariana Trench
linked to: Mariana Trench
linked to: Mariana Trench
linked to: Mariana Trench
subject linked to:
Fendouzhe submersible
subject linked to:
Jiaolong submersible
linked to: Mariana Trench
subject linked to:
Pacific Ocean (indirectly via Willapa Bay)
subject linked to:
Pacific Ocean (via Long Beach Harbor)