Gastineau Channel
E31098
Gastineau Channel is a narrow tidal waterway in southeastern Alaska that separates Douglas Island from the mainland and provides the waterfront setting for the city of Juneau.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Gastineau Channel canonical | 18 |
| Pacific Ocean via Gastineau Channel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T216837 — 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: Gastineau Channel Context triple: [Juneau, locatedOn, Gastineau Channel]
-
A.
Hudson Strait
Hudson Strait is a large Arctic waterway in northeastern Canada that connects the Atlantic Ocean to Hudson Bay and serves as an important historical and modern shipping route.
-
B.
La Pérouse Strait
La Pérouse Strait is a narrow international waterway between Japan’s Hokkaido and Russia’s Sakhalin Island that links the Sea of Japan with the Sea of Okhotsk.
-
C.
Ironbottom Sound
Ironbottom Sound is a strait in the Solomon Islands famed as a major World War II naval battleground where numerous ships and aircraft were sunk.
-
D.
Gulf of Alaska
The Gulf of Alaska is a large, subarctic ocean basin off the southern coast of Alaska known for its harsh weather, rich marine ecosystems, and significant fisheries.
-
E.
Bering Strait
The Bering Strait is a narrow sea passage between Russia and Alaska that links the Arctic and Pacific Oceans and historically separated Asia from North America.
- 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: Gastineau Channel Target entity description: Gastineau Channel is a narrow tidal waterway in southeastern Alaska that separates Douglas Island from the mainland and provides the waterfront setting for the city of Juneau.
-
A.
Hudson Strait
Hudson Strait is a large Arctic waterway in northeastern Canada that connects the Atlantic Ocean to Hudson Bay and serves as an important historical and modern shipping route.
-
B.
La Pérouse Strait
La Pérouse Strait is a narrow international waterway between Japan’s Hokkaido and Russia’s Sakhalin Island that links the Sea of Japan with the Sea of Okhotsk.
-
C.
Ironbottom Sound
Ironbottom Sound is a strait in the Solomon Islands famed as a major World War II naval battleground where numerous ships and aircraft were sunk.
-
D.
Gulf of Alaska
The Gulf of Alaska is a large, subarctic ocean basin off the southern coast of Alaska known for its harsh weather, rich marine ecosystems, and significant fisheries.
-
E.
Bering Strait
The Bering Strait is a narrow sea passage between Russia and Alaska that links the Arctic and Pacific Oceans and historically separated Asia from North America.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
channel
ⓘ
geographic feature ⓘ tidal waterway ⓘ |
| adjacentTo |
Juneau
ⓘ
surface form:
City and Borough of Juneau
|
| bodyOfWaterType | tidal channel ⓘ |
| climate | maritime ⓘ |
| connectedTo |
Stephens Passage
ⓘ
Lynn Canal ⓘ
surface form:
Taku Inlet
|
| country |
United States of America
ⓘ
surface form:
United States
|
| formsWaterfrontOf | Juneau ⓘ |
| governingBody |
Juneau
ⓘ
surface form:
City and Borough of Juneau
|
| hasEconomicRole |
supports cruise ship traffic
ⓘ
supports tourism in Juneau ⓘ |
| hasFeature |
intertidal mudflats
ⓘ
narrow passage ⓘ steep surrounding mountains ⓘ |
| hasNavigationCondition | affected by tides and currents ⓘ |
| hasPort |
Juneau harbor
ⓘ
surface form:
Port of Juneau
|
| hasRisk | shallow areas at low tide ⓘ |
| hasShorelineSettlement |
Douglas
ⓘ
Juneau ⓘ Thane ⓘ West Juneau ⓘ |
| hasViewOf |
Juneau Icefield
ⓘ
Mount Juneau ⓘ Mount Roberts ⓘ |
| hasWildlife |
bald eagles
ⓘ
harbor seals ⓘ salmon ⓘ whales ⓘ |
| influencedBy | tides ⓘ |
| locatedIn |
Alaska
ⓘ
Southeastern Alaska ⓘ
surface form:
Southeast Alaska
|
| locatedOn | Pacific coast of North America ⓘ |
| namedAfter | John Gastineau ⓘ |
| near |
Coast Mountains
ⓘ
Tongass National Forest ⓘ |
| partOf |
Alaskan coastal waterways
ⓘ
Inside Passage ⓘ |
| region |
Panhandle of Alaska
ⓘ
surface form:
Alaska Panhandle
|
| separates |
Alaska mainland
ⓘ
Douglas Island ⓘ |
| usedFor |
commercial fishing
ⓘ
marine transportation ⓘ recreational boating ⓘ |
| waterSalinity | saltwater ⓘ |
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: Gastineau Channel Description of subject: Gastineau Channel is a narrow tidal waterway in southeastern Alaska that separates Douglas Island from the mainland and provides the waterfront setting for the city of Juneau.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pacific Ocean via Gastineau Channel