Sargasso Sea
E13109
The Sargasso Sea is a region of the North Atlantic Ocean characterized by its clear, warm waters and large floating mats of Sargassum seaweed, bounded by ocean currents rather than land.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Sargasso Sea canonical | 22 |
| North Atlantic garbage patch | 1 |
| North Atlantic subtropical gyre | 1 |
| Sargasso Sea margin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17577 — 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: Sargasso Sea Context triple: [Atlantic Ocean, containsFeature, Sargasso Sea]
-
A.
Caribbean Sea
The Caribbean Sea is a tropical body of water in the Western Hemisphere known for its clear blue waters, extensive coral reefs, and numerous islands that form the Caribbean region.
-
B.
Indian Ocean
The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
-
C.
Gulf of Mexico
The Gulf of Mexico is a large ocean basin and marginal sea of the Atlantic Ocean bordered by the United States, Mexico, and Cuba, known for its rich marine ecosystems, major oil and gas reserves, and significant role in regional climate and commerce.
-
D.
Coral Sea
The Coral Sea is a marginal sea off the northeast coast of Australia, renowned for its clear waters, rich marine biodiversity, and the Great Barrier Reef.
-
E.
North Sea
The North Sea is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France, known for its major shipping routes, rich fishing grounds, and offshore oil and gas reserves.
- 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: Sargasso Sea Target entity description: The Sargasso Sea is a region of the North Atlantic Ocean characterized by its clear, warm waters and large floating mats of Sargassum seaweed, bounded by ocean currents rather than land.
-
A.
Caribbean Sea
The Caribbean Sea is a tropical body of water in the Western Hemisphere known for its clear blue waters, extensive coral reefs, and numerous islands that form the Caribbean region.
-
B.
Indian Ocean
The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
-
C.
Gulf of Mexico
The Gulf of Mexico is a large ocean basin and marginal sea of the Atlantic Ocean bordered by the United States, Mexico, and Cuba, known for its rich marine ecosystems, major oil and gas reserves, and significant role in regional climate and commerce.
-
D.
Coral Sea
The Coral Sea is a marginal sea off the northeast coast of Australia, renowned for its clear waters, rich marine biodiversity, and the Great Barrier Reef.
-
E.
North Sea
The North Sea is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France, known for its major shipping routes, rich fishing grounds, and offshore oil and gas reserves.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
marine ecoregion
ⓘ
region of the Atlantic Ocean ⓘ sea ⓘ |
| approximateArea |
about 2 million square miles
ⓘ
about 5.2 million square kilometers ⓘ |
| borderedBy |
Canary Current
ⓘ
Gulf Stream ⓘ North Atlantic Current ⓘ
linked to:
Azores Current
North Atlantic Equatorial Current ⓘ |
| boundedBy | ocean currents ⓘ |
| country | no coastal state ⓘ |
| ecosystemType | oligotrophic subtropical gyre ⓘ |
| hasBiota |
Sargassum fluitans
ⓘ
linked to:
Sargassum natans
Sargassum natans ⓘ pelagic fish species ⓘ sea turtles ⓘ seabirds ⓘ |
| hasCharacteristic |
accumulation of floating debris
ⓘ
clear water ⓘ low nutrient levels ⓘ low primary productivity ⓘ relatively high salinity ⓘ warm water ⓘ weak horizontal currents ⓘ |
| hasConservationInitiative | Sargasso Sea Commission ⓘ |
| hasConservationStatus | subject of international conservation efforts ⓘ |
| hasRole |
important habitat for marine species
ⓘ
migration corridor for sea turtles ⓘ nursery area for fish and invertebrates ⓘ spawning area for American eel ⓘ spawning area for European eel ⓘ |
| knownFor |
floating Sargassum seaweed
ⓘ
high water clarity ⓘ large mats of Sargassum ⓘ unique pelagic ecosystem ⓘ |
| locatedEastOf |
United States
ⓘ
linked to:
United States of America
|
| locatedIn |
North Atlantic Ocean
ⓘ
linked to:
Atlantic Ocean
|
| locatedNortheastOf | Caribbean Sea ⓘ |
| locatedNorthOf | equator ⓘ |
| namedAfter | Sargassum seaweed ⓘ |
| partOf |
Atlantic Ocean
ⓘ
North Atlantic subtropical gyre ⓘ |
| salinity | relatively high compared to surrounding Atlantic ⓘ |
| threatenedBy |
climate change
ⓘ
overfishing ⓘ plastic pollution ⓘ shipping impacts ⓘ |
| waterColor | deep blue ⓘ |
| waterType | open ocean ⓘ |
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: Sargasso Sea Description of subject: The Sargasso Sea is a region of the North Atlantic Ocean characterized by its clear, warm waters and large floating mats of Sargassum seaweed, bounded by ocean currents rather than land.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sargasso Sea
linked to: Sargasso Sea
subject linked to:
Sargassum fish (Histrio histrio)
subject linked to:
Main Island
subject linked to:
Atlantic Ocean (via Fire Island and Great South Bay)
linked to: Sargasso Sea
subject linked to:
Atlantic Ocean (via Recife coast)