Polar Bears
E139379
Polar Bears are large, white-furred marine mammals native to the Arctic, known as powerful apex predators that primarily hunt seals on sea ice.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Polar Bear | 7 |
| Ursus maritimus | 6 |
| Polar Bears canonical | 2 |
| Svalbard panserbjørne | 1 |
| The Polar Bears | 1 |
| polar bear (Ursus maritimus) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1224554 — 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: Polar Bears Context triple: [Bowdoin College, athleticsNickname, Polar Bears]
-
A.
Weddell seal
The Weddell seal is a large, deep-diving Antarctic seal species known for living year-round on sea ice and for its remarkable ability to vocalize underwater.
-
B.
Bears
The Bears are the athletic teams representing Washington University in St. Louis in collegiate sports.
-
C.
Bears
The Bears are the athletic teams representing Baylor University in collegiate sports competitions.
-
D.
Ussuri brown bear
The Ussuri brown bear is a large subspecies of brown bear native to the forests of the Russian Far East and northeastern Asia, known for its powerful build and significant role in the region’s ecosystems and folklore.
-
E.
Grizzly Bear
Grizzly Bear is an American indie rock band known for its intricate harmonies, experimental arrangements, and critically acclaimed albums such as "Veckatimest."
- 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: Polar Bears Target entity description: Polar Bears are large, white-furred marine mammals native to the Arctic, known as powerful apex predators that primarily hunt seals on sea ice.
-
A.
Weddell seal
The Weddell seal is a large, deep-diving Antarctic seal species known for living year-round on sea ice and for its remarkable ability to vocalize underwater.
-
B.
Bears
The Bears are the athletic teams representing Washington University in St. Louis in collegiate sports.
-
C.
Bears
The Bears are the athletic teams representing Baylor University in collegiate sports competitions.
-
D.
Ussuri brown bear
The Ussuri brown bear is a large subspecies of brown bear native to the forests of the Russian Far East and northeastern Asia, known for its powerful build and significant role in the region’s ecosystems and folklore.
-
E.
Grizzly Bear
Grizzly Bear is an American indie rock band known for its intricate harmonies, experimental arrangements, and critically acclaimed albums such as "Veckatimest."
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
apex predator
ⓘ
marine mammal ⓘ species of mammal ⓘ |
| activityPattern | mostly solitary ⓘ |
| averageAdultFemaleMass | 150–250 kg ⓘ |
| averageAdultMaleMass | 350–700 kg ⓘ |
| averageBodyLength | 2.4–3 meters ⓘ |
| bodyAdaptation |
large paws for walking on ice
ⓘ
paws adapted for swimming ⓘ thick layer of blubber ⓘ |
| breedingInterval | approximately every 3 years ⓘ |
| class | Mammalia ⓘ |
| coatColor | white ⓘ |
| commonName | polar bear ⓘ |
| conservationStatus | Vulnerable ⓘ |
| conservationStatusSystem |
IUCN Red List
ⓘ
linked to:
IUCN Red List of Threatened Species
|
| culturalSignificance | important symbol in Arctic indigenous cultures ⓘ |
| diet | carnivorous ⓘ |
| family | Ursidae ⓘ |
| feedingStrategy | still-hunting at seal breathing holes ⓘ |
| furCharacteristic | thick insulating fur ⓘ |
| genus | Ursus ⓘ |
| geographicRange |
Canada
ⓘ
Greenland ⓘ Norway (Svalbard) ⓘ
linked to:
Svalbard
Russia ⓘ United States (Alaska) ⓘ
linked to:
Alaska
|
| habitat |
coastal areas
ⓘ
pack ice ⓘ sea ice ⓘ |
| kingdom | Animalia ⓘ |
| legalProtection | protected under various national and international agreements ⓘ |
| lifespanInWild | up to 25–30 years ⓘ |
| nativeTo |
Arctic
ⓘ
linked to:
Arctic region
Arctic Ocean ⓘ sea ice regions ⓘ |
| order | Carnivora ⓘ |
| phylum | Chordata ⓘ |
| primaryPrey |
bearded seal
ⓘ
ringed seal ⓘ |
| reproduction | gives birth in snow dens ⓘ |
| roleInEcosystem | top predator ⓘ |
| scientificName |
Ursus maritimus
ⓘ
linked to:
Polar Bears
|
| skinColor | black ⓘ |
| swimmingAbility | strong long-distance swimmer ⓘ |
| taxonRank | species ⓘ |
| threat |
climate change
ⓘ
loss of sea ice habitat ⓘ pollutants and contaminants ⓘ |
| typicalLitterSize | 1–3 cubs ⓘ |
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: Polar Bears Description of subject: Polar Bears are large, white-furred marine mammals native to the Arctic, known as powerful apex predators that primarily hunt seals on sea ice.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
subject linked to:
Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears
linked to: Polar Bears