Port of Valdez
E298412
The Port of Valdez is an ice-free deepwater port in Alaska that serves as the southern terminus of the Trans-Alaska Pipeline and a key hub for crude oil shipping.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Port of Valdez canonical | 5 |
| Valdez Marine Terminal | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2758637 — 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: Port of Valdez Context triple: [Prince William Sound, hasPort, Port of Valdez]
-
A.
Port of Alaska
The Port of Alaska is a major deep-water seaport in Anchorage that serves as a critical cargo and fuel hub for much of the state’s population and military operations.
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B.
Ketchikan Harbor
Ketchikan Harbor is a busy maritime hub in southeastern Alaska, serving as a key port for fishing vessels, cruise ships, and local marine traffic.
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C.
Port of Kodiak
The Port of Kodiak is a major commercial fishing and maritime hub in Alaska, serving as one of the busiest fishing ports in the United States.
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D.
Port of Seward
The Port of Seward is a key deep-water harbor in southern Alaska that serves as a major hub for cargo shipping, cruise ships, and access to the Alaska Railroad.
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E.
Port of Bellingham
The Port of Bellingham is a public port district in Washington State that manages Bellingham’s waterfront, marina, and related commercial and industrial facilities, supporting regional trade and economic development.
- 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: Port of Valdez Target entity description: The Port of Valdez is an ice-free deepwater port in Alaska that serves as the southern terminus of the Trans-Alaska Pipeline and a key hub for crude oil shipping.
-
A.
Port of Alaska
The Port of Alaska is a major deep-water seaport in Anchorage that serves as a critical cargo and fuel hub for much of the state’s population and military operations.
-
B.
Ketchikan Harbor
Ketchikan Harbor is a busy maritime hub in southeastern Alaska, serving as a key port for fishing vessels, cruise ships, and local marine traffic.
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C.
Port of Kodiak
The Port of Kodiak is a major commercial fishing and maritime hub in Alaska, serving as one of the busiest fishing ports in the United States.
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D.
Port of Seward
The Port of Seward is a key deep-water harbor in southern Alaska that serves as a major hub for cargo shipping, cruise ships, and access to the Alaska Railroad.
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E.
Port of Bellingham
The Port of Bellingham is a public port district in Washington State that manages Bellingham’s waterfront, marina, and related commercial and industrial facilities, supporting regional trade and economic development.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
deepwater port
ⓘ
ice-free port ⓘ seaport ⓘ |
| associatedWith |
Prudhoe Bay, Alaska, United States
ⓘ
surface form:
Alaska North Slope oil fields
Prince William Sound tanker traffic ⓘ |
| characteristic |
deep natural harbor
ⓘ
ice-free year-round ⓘ protected harbor ⓘ |
| connectedTo |
Trans-Alaska Pipeline System
ⓘ
surface form:
Trans-Alaska Pipeline
marine tanker routes to U.S. West Coast ⓘ marine tanker routes to international markets ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicImportance |
key hub for U.S. crude oil exports from Alaska
ⓘ
major component of Alaska oil economy ⓘ |
| environmentalContext |
Alaska coastal waters
ⓘ
surface form:
sensitive marine ecosystem of Prince William Sound
|
| governedBy | State of Alaska regulations ⓘ |
| hasAccess | year-round marine access ⓘ |
| hasFacility |
Port of Valdez
self-linksurface differs
ⓘ
surface form:
Valdez Marine Terminal
|
| hasInfrastructure |
ballast water treatment facilities
ⓘ
crude oil storage tanks ⓘ loading arms for tankers ⓘ oil spill response equipment ⓘ oil tanker berths ⓘ |
| hasNavigationCondition |
deep navigational channel
ⓘ
tidal conditions typical of Prince William Sound ⓘ |
| knownFor | role in Exxon Valdez oil spill response ⓘ |
| locatedIn |
Gulf of Alaska
ⓘ
surface form:
Gulf of Alaska region
Prince William Sound ⓘ Valdez ⓘ
surface form:
Valdez, Alaska
|
| near |
Valdez
ⓘ
surface form:
city of Valdez
|
| openedForOilExports | late 1970s ⓘ |
| operatedBy | Alyeska Pipeline Service Company ⓘ |
| partOf | oil transportation system from Alaska North Slope to market ⓘ |
| portType |
industrial port
ⓘ
tanker port ⓘ |
| primaryUse |
crude oil shipping
ⓘ
petroleum storage and loading ⓘ |
| regulatedBy |
United States Coast Guard
ⓘ
surface form:
U.S. Coast Guard
United States Environmental Protection Agency ⓘ
surface form:
U.S. Environmental Protection Agency
|
| safetyMeasures |
escort tugs for laden tankers
ⓘ
oil spill contingency planning ⓘ |
| servesAs | export terminal for North Slope crude oil ⓘ |
| southernTerminusOf | Trans-Alaska Pipeline System ⓘ |
| state | Alaska ⓘ |
| supportsActivity |
commercial shipping
ⓘ
industrial marine services ⓘ |
| waterType | 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: Port of Valdez Description of subject: The Port of Valdez is an ice-free deepwater port in Alaska that serves as the southern terminus of the Trans-Alaska Pipeline and a key hub for crude oil shipping.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Valdez Marine Terminal
this entity surface form:
Valdez Marine Terminal
this entity surface form:
Valdez Marine Terminal
this entity surface form:
Valdez Marine Terminal