Umnak Pass
E574839
Umnak Pass is a strait in the Aleutian Islands of Alaska that lies between Unalaska Island and Umnak Island, forming part of a major North Pacific maritime route.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Umnak Pass canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6112975 — 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: Umnak Pass Context triple: [Unalaska Island, separatedBy, Umnak Pass]
-
A.
Maloja Pass
Maloja Pass is a high mountain pass in the Swiss Alps that connects the Engadine valley with the Bregaglia valley and Italy, known for its scenic roads and dramatic landscapes.
-
B.
Donovaly Pass
Donovaly Pass is a mountain pass in central Slovakia that serves as a key transit route and popular ski and tourist area between the Low Tatra and Veľká Fatra ranges.
-
C.
Atigun Pass
Atigun Pass is a high mountain pass in Alaska’s Brooks Range, known as a critical and often treacherous crossing on the Dalton Highway above the Arctic Circle.
-
D.
Healy Pass
Healy Pass is a scenic mountain pass in southwest Ireland known for its winding roads, rugged landscapes, and panoramic views across the Beara Peninsula.
-
E.
Donohue Pass
Donohue Pass is a high mountain pass in the Sierra Nevada along the John Muir Trail and Pacific Crest Trail, marking the boundary between Yosemite National Park and the Ansel Adams Wilderness.
- 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: Umnak Pass Target entity description: Umnak Pass is a strait in the Aleutian Islands of Alaska that lies between Unalaska Island and Umnak Island, forming part of a major North Pacific maritime route.
-
A.
Maloja Pass
Maloja Pass is a high mountain pass in the Swiss Alps that connects the Engadine valley with the Bregaglia valley and Italy, known for its scenic roads and dramatic landscapes.
-
B.
Donovaly Pass
Donovaly Pass is a mountain pass in central Slovakia that serves as a key transit route and popular ski and tourist area between the Low Tatra and Veľká Fatra ranges.
-
C.
Atigun Pass
Atigun Pass is a high mountain pass in Alaska’s Brooks Range, known as a critical and often treacherous crossing on the Dalton Highway above the Arctic Circle.
-
D.
Healy Pass
Healy Pass is a scenic mountain pass in southwest Ireland known for its winding roads, rugged landscapes, and panoramic views across the Beara Peninsula.
-
E.
Donohue Pass
Donohue Pass is a high mountain pass in the Sierra Nevada along the John Muir Trail and Pacific Crest Trail, marking the boundary between Yosemite National Park and the Ansel Adams Wilderness.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
marine waterway
ⓘ
strait ⓘ |
| bodyOfWater |
North Pacific Ocean
ⓘ
linked to:
Northern Pacific Ocean
|
| country |
United States
ⓘ
linked to:
United States of America
|
| hasCharacteristic |
frequent fog
ⓘ
rough seas ⓘ strong currents ⓘ |
| locatedIn |
Alaska
ⓘ
Aleutian Islands ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInWaterbody |
Bering Sea region
ⓘ
linked to:
Bering Sea
|
| locatedNear |
Dutch Harbor
ⓘ
linked to:
Dutch Harbor, Alaska
Unalaska ⓘ |
| partOf |
Aleutian Island passes
ⓘ
Great Circle shipping routes between North America and Asia ⓘ North Pacific Ocean ⓘ
linked to:
Pacific Ocean
North Pacific maritime route ⓘ
linked to:
Pacific Great Circle route
|
| region | Aleutians West Census Area ⓘ |
| separates |
Umnak Island
ⓘ
Unalaska Island ⓘ |
| state | Alaska ⓘ |
| strategicImportance | major shipping lane in North Pacific ⓘ |
| usedFor |
commercial shipping
ⓘ
fishing activities ⓘ maritime navigation ⓘ |
| waterwayType | oceanic strait ⓘ |
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: Umnak Pass Description of subject: Umnak Pass is a strait in the Aleutian Islands of Alaska that lies between Unalaska Island and Umnak Island, forming part of a major North Pacific maritime route.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.